Alienware x15 RTX 3070 review

Frame rates

1920×1080, High preset, upscaling off.

Measured on this machine. Source: Notebookcheck, 2021-09-30.

In use

The short version

The Alienware x15 RTX 3070 is a performance-led 15.6in gaming laptop whose published results show a capable, fairly well-balanced machine rather than an automatic answer for every buyer. Its RTX 3070 runs at a 110W GPU power limit, paired with a Core i7-11800H and 16GB of memory, and the measured results are strong at 1920x1080 using High settings with upscaling off. Notebookcheck’s figures range from 90fps in X-Plane 11 to 206fps in Strange Brigade, with a 140fps mean across the five scoring-suite games.

That is enough performance to make this laptop genuinely useful for fast-paced competitive games, older or lighter titles, and many conventional action games at 1080p High. Strange Brigade at 206fps and The Witcher 3 at 198fps are especially good results. GTA V at 166fps is also a strong fit for the 240Hz panel, even if it does not reach the panel’s ceiling. Dota 2 at 143fps remains comfortably quick. The picture changes in the more demanding or more CPU-sensitive parts of the test selection: Far Cry 5 reaches 118fps, Final Fantasy XV reaches 94fps, and X-Plane 11 reaches 90fps. Those figures are still playable and, in several cases, very good, but they show clearly that a 240Hz screen is not the same thing as 240fps in every game.

The x15’s central compromise is its display. Alienware specifies a 15.6in IPS panel at 2560x1440 and 240Hz, while the available frame-rate data is at 1920x1080 High. The laptop has enough measured 1080p performance to benefit from a high-refresh display in several games, but the supplied results do not establish that it can deliver similarly high frame rates at the screen’s native 2560x1440 resolution. A buyer choosing this machine chiefly for native-resolution 1440p gaming should treat the 1080p data as a useful baseline, not as a promise of 1440p results.

At 2.35kg, it is not a featherweight, but it is also not in the class of the biggest high-power desktop-replacement machines. The 87Wh battery is substantial on paper, although no battery-life measurement is supplied here and no claim should be made about how long it lasts away from the mains. This is best understood as a laptop for someone who wants powerful gaming hardware in a reasonably transportable 15.6in format, rather than someone who needs an especially light travel machine or an all-day untethered computer.

There is no overall score for this exact configuration because its UK price is not confirmed. That is a pricing-data limitation, not a judgement on the laptop or a gap in its benchmark coverage: the benchmark suite is complete and it ranks normally on the frame-rate leaderboard. Without a confirmed UK price, however, value cannot be calculated responsibly.

The strongest argument for the Alienware x15 is not that it is the outright fastest machine in every comparison. It is that its measured performance is remarkably close to certain ostensibly more powerful rivals in the shared 1080p game selection. Against the MSI Creator Z16P with an RTX 3080 Ti, it averages 1fps more across five shared games. Against the HP Omen 16-b1090ng with an RTX 3070 Ti, the average difference is 0fps across five shared games. Those near-ties do not mean the graphics hardware is identical or that power limits never matter. They show that, at 1080p in the selected shared games, lighter titles can become CPU-bound and compress GPU differences.

Buy it if you want a 15.6in, 240Hz gaming laptop with strong verified 1080p High performance, and if you understand that the native 2560x1440 display asks more of the GPU than the published test resolution. It makes most sense for players who value high frame rates in esports-friendly and established games, while still wanting respectable results in heavier titles. It is less convincing for someone whose only priority is the highest possible performance in demanding games, because the MSI Raider GE77 HX’s 175W RTX 3080 Ti has a clear shared-game advantage. It is also not the right purchase to make merely because it carries RTX 3070 branding: the measured data, the 110W power limit and the unresolved UK price matter more than the GPU name alone.

Performance

What the measured results say

The available figures come from Notebookcheck, dated 2021-09-30, at 1920x1080 on the High preset with upscaling disabled. That test method matters. It gives an unassisted look at the laptop’s gaming performance rather than relying on an upscaling mode to raise the displayed frame rate. It is also a 1080p test, not a native-resolution test for the x15’s 2560x1440 panel. The numbers are therefore highly useful for comparing this laptop against the listed rivals under the same conditions, and for understanding how it handles a conventional 1080p High workload. They are not direct evidence for every resolution, every preset, or every newer game.

Across the five scoring-suite games, the Alienware records a mean of 140fps. That is a strong average, but it should not be read as a minimum, a likely result in any individual game, or a guarantee that the laptop will make full use of its 240Hz display in all circumstances. The individual-game spread is large: Strange Brigade reaches 206fps, while X-Plane 11 records 90fps. The difference between those results is not a flaw in the data. It is precisely why buying on a single average can be misleading. Different games place different demands on the CPU, GPU and game engine, and a gaming laptop has to be judged by both its best-case speed and its weaker areas.

The high end of the result set is encouraging. Strange Brigade runs at 206fps. That places it close enough to the 240Hz refresh rate that the screen’s high-refresh capability is meaningful rather than decorative, although it does not fully reach 240fps in the published figure. The Witcher 3 follows at 198fps. Again, that is well below the panel ceiling but substantially above the frame rates associated with ordinary 60Hz play. GTA V records 166fps and Dota 2 records 143fps. These are the kinds of results that make a 240Hz display understandable: the machine can regularly operate above 120fps in several games from the measured set, creating scope for visibly higher refresh behaviour than a 60Hz panel can show.

The lower end is equally important. Far Cry 5 reaches 118fps, which is still a quick result, but it does not match the 143fps Dota 2 figure or the 166fps GTA V figure. Final Fantasy XV reaches 94fps. X-Plane 11 records 90fps. Neither of these is poor in isolation; both are comfortably above 60fps under the stated 1080p High conditions. But they demonstrate that the laptop’s practical experience will vary materially by game. A buyer expecting every title to operate near 240fps simply because the panel is rated at 240Hz will be disappointed. The measured figures do not support that expectation.

It is useful to divide the results into practical performance bands rather than treating every frame-rate difference as equally important. Strange Brigade and The Witcher 3 are close to 200fps. GTA V is well above 144fps, while Dota 2 sits just below that point. Far Cry 5 is near 120fps. Final Fantasy XV and X-Plane 11 are around 90fps. This is not a machine with one uniform level of gaming performance. It is a machine where the best-suited games can run at very high speeds, while more demanding or differently limited games require a more realistic view of what the hardware and settings can achieve.

The significance of the 110W GPU power limit

The RTX 3070 in this Alienware is specified at a 110W GPU power limit. That detail is more informative than the RTX 3070 label by itself. Gaming-laptop GPUs with the same name can be configured differently by their manufacturers, and the available power limit is part of the context for any benchmark result. The proper way to assess this x15 is therefore not to assume that all RTX 3070 laptops will perform alike, but to look at this particular 110W implementation’s published game figures.

On the evidence available, 110W is enough for very strong 1080p High results in several games. A 206fps result in Strange Brigade, 198fps in The Witcher 3 and 166fps in GTA V show that the GPU is not being wasted in a thin-looking performance laptop concept. These are substantial figures. The x15 is not merely capable of clearing a 60fps target; in much of this selection it goes far beyond that. For buyers moving from a conventional gaming display, that will matter more than a theoretical distinction between graphics-card names.

However, the power limit also helps explain why the x15 should not be treated as a direct substitute for the most aggressively powered machines in every kind of workload. The MSI Raider GE77 HX carries an RTX 3080 Ti at 175W and averages 29fps ahead across five shared games. That comparison does not isolate one variable, so it cannot prove that the entire difference comes from GPU power alone. The systems also have different GPUs. But it does show that the Alienware’s measured performance, while strong, does not eliminate the advantage of a much more powerful high-end configuration in the shared benchmark set.

There is a second lesson in the comparisons: GPU hierarchy does not always map cleanly to the observed frame-rate order at 1080p. The Alienware averages 1fps ahead of the MSI Creator Z16P, despite that rival using an RTX 3080 Ti, and it averages level with the RTX 3070 Ti-equipped HP Omen 16-b1090ng. That should not be interpreted as proof that the RTX 3070 at 110W is universally faster than an RTX 3080 Ti or indistinguishable from every RTX 3070 Ti implementation. The supplied comparison notes explain why the near-zero gaps happen: at 1080p, lighter games in the shared set can be CPU-bound, which compresses genuine GPU gaps.

In practical buying terms, that means the x15’s 110W RTX 3070 should be judged as a strong 1080p performer whose observed results are competitive with several nominally higher-tier systems in this particular dataset. It should not be bought on the assumption that it will necessarily maintain that parity at a higher resolution, in more GPU-limited games, or when demanding settings put greater emphasis on graphics power. The native 2560x1440 panel is particularly relevant here. Higher resolution generally asks more of the graphics hardware, but the fact sheet does not provide 1440p frame rates, so the honest conclusion is limited: the 1080p figures are good, while the degree to which that advantage carries to native resolution is not measured here.

Game-by-game reading

Strange Brigade: 206fps. This is the strongest measured result and one of the clearest examples of the Alienware being able to exploit a high-refresh display. At 206fps, the system is operating close to the 240Hz panel’s maximum refresh rate under the stated 1080p High conditions. It does not reach 240fps, so it should not be described as fully saturating the panel, but this is very clearly high-refresh territory. For players whose library contains similarly light or well-running action titles, the x15 has meaningful headroom above 144fps.

The Witcher 3: 198fps. This is another excellent result, only slightly behind Strange Brigade. It reinforces the point that the laptop can produce very high frame rates in some well-established games without using upscaling. The gap from the 240Hz limit remains visible on paper, but 198fps is still far closer to that ceiling than to 144fps or 60fps. It is the sort of result that supports buying a 240Hz panel if smooth motion is a priority, even though buyers should not expect the refresh rate and measured frame rate to match exactly.

GTA V: 166fps. GTA V is one of the five scoring-suite games and the x15 produces 166fps. This is a useful middle ground between the near-200fps leaders and the lower results. It is above 144fps, so it can take advantage of the panel beyond the refresh level traditionally associated with gaming displays. It remains well short of 240fps, making it another case where the screen is capable of more than the benchmark figure. That is not an issue in itself. A 240Hz screen can still display a 166fps output without requiring the game to reach its absolute maximum refresh rate.

Dota 2: 143fps. This result is close to 144fps but does not quite reach it in the published number. The difference is small in numerical terms, but it is better not to round it away and claim a 144fps result that was not measured. Dota 2 at 143fps remains a fast outcome and gives the x15 a strong case for competitive or multiplayer-oriented use. Yet it also illustrates why the benchmark data should be taken literally. A 240Hz panel can provide the opportunity for high-refresh gaming; it does not create extra rendering performance where the game and system combination delivers less.

Far Cry 5: 118fps. Far Cry 5 is below the 140fps scoring-suite mean, yet 118fps remains a solid result at 1080p High. It is above 60fps by a substantial margin and still gives the display considerably more frames to work with than a basic 60Hz gaming experience. It is not, however, a result that justifies buying the x15 specifically to chase 240fps in every game. This is one of the useful reality checks in the data: performance stays good, but the high-refresh advantage becomes more partial than complete.

Final Fantasy XV: 94fps. Final Fantasy XV sits in a lower performance tier for this laptop. The measured 94fps is comfortably playable according to the figure, but it is well below the display’s 240Hz rating and below the 140fps mean from the scoring suite. It is a reminder that a system can be highly capable overall while still having titles where performance is closer to the 90fps range than the 200fps range. For a buyer who chiefly plays games with comparable demands, the screen specification should be viewed as providing flexibility rather than as a target that will always be met.

X-Plane 11: 90fps. X-Plane 11 is the lowest published result. At 90fps it remains above a conventional 60fps threshold, but it is much less aligned with the 240Hz panel’s headline specification than Strange Brigade or The Witcher 3. This result is especially valuable because it stops the review becoming a list of best-case frame rates. Buyers who spend significant time in simulation-oriented titles should pay attention to the lower end of the spread, not only the average. Based on these figures, the Alienware can provide a good 1080p High result in X-Plane 11, but it is not a machine that turns every type of game into a near-240fps experience.

Why the average needs context

The 140fps scoring-suite mean is a helpful summary but an incomplete buying tool. It combines Strange Brigade at 206fps, GTA V at 166fps, Dota 2 at 143fps, Final Fantasy XV at 94fps and X-Plane 11 at 90fps. A mean can tell a reader that the laptop is broadly fast. It cannot tell them whether their own games resemble the fastest or slowest part of the selection. Someone whose gaming time is mostly spent in titles that behave like Strange Brigade will see a very different case for the x15 than someone focused on simulation titles that behave more like X-Plane 11.

The average also cannot establish native 2560x1440 performance. It is tempting to take 140fps at 1080p and mentally map it onto the 240Hz QHD display, but that would create a number not supplied by the benchmark data. The responsible conclusion is simpler: at the tested 1080p High setting, the laptop averages 140fps in the scoring suite. At the panel’s native resolution, no figures are provided here. Buyers who need a specific native-resolution frame-rate target should seek measured 2560x1440 results before treating the screen’s resolution as a guaranteed gaming setting.

There is still a practical advantage to the combination of a high-resolution panel and strong 1080p results. The display gives the user a 2560x1440, 240Hz IPS specification, while the tested numbers show that the machine can run a number of games rapidly at 1920x1080 High. But it would be wrong to prescribe a universal setting choice or claim a particular image-quality outcome without further measurements. The facts support flexibility; they do not support an invented answer about exactly how every game should be configured.

The screen

Alienware specifies a 15.6in IPS display with a 2560x1440 resolution and a 240Hz refresh rate. On specification alone, this is a distinctly gaming-focused panel: the resolution is higher than the 1920x1080 benchmark setting, and the refresh rate is much higher than the frame rates many laptops are designed merely to clear. The important question is whether the measured performance can make practical use of it. The answer is yes in some games, clearly so, but not in a uniform way.

At the 1080p High test setting, Strange Brigade reaches 206fps and The Witcher 3 reaches 198fps. Those results sit close enough to 240Hz for the panel’s refresh rate to be relevant. GTA V at 166fps is above 144fps, and Dota 2 at 143fps is almost at that level. This is not a situation where a 240Hz display is paired with 60fps-class performance. The x15 can feed it a high frame rate in several measured titles.

That said, no published result reaches 240fps. The screen’s maximum refresh rate should be seen as headroom, not as an automatically achieved performance level. It also follows that games at 118fps, 94fps and 90fps do not use the panel in the same way as the faster titles. Far Cry 5, Final Fantasy XV and X-Plane 11 remain capable of looking and feeling smoother than a 60fps result would suggest, but their benchmark figures are much farther from the 240Hz ceiling.

The bigger limitation is resolution. The supplied benchmark results are all at 1920x1080, while the display is 2560x1440. There are no measured native-resolution figures in the fact sheet. It would be inaccurate to state how many frames the x15 produces in any listed game at 2560x1440, whether it reaches a particular refresh threshold at that resolution, or whether a given game needs lower settings. The screen may be a good reason to consider the laptop, but the available data validates 1080p High performance, not a specific 1440p High experience.

The IPS panel type is another part of the specification, but the fact sheet supplies no brightness, contrast, colour, response-time or backlight measurements. There is therefore no basis here for declaring the display excellent for colour work, unusually bright, especially fast in pixel response, or suitable for a particular outdoor-use scenario. What can be said is limited but useful: it is a 15.6in IPS panel with 2560x1440 resolution and 240Hz refresh. For gaming, the refresh rate is supported by the stronger 1080p results. For image quality and panel behaviour beyond that, no measured evidence is supplied.

For the buyer, the screen is a reason to be precise about priorities. If the objective is competitive play in titles where the laptop approaches 200fps, 240Hz is a sensible specification. If the objective is demanding native 2560x1440 gaming at high settings, the display is more ambitious than the benchmark resolution and more evidence is needed. If the objective is simply smooth general gaming, the results from 90fps to 206fps show that the x15 has a wide usable range, even though the advantage varies strongly by title.

Build, size and portability

The Alienware x15 weighs 2.35kg and uses a 15.6in display. That places it in a practical middle ground for a gaming laptop. It is not light enough to be described as an effortless travel companion in the way a much lighter machine might be, but it is also a more manageable proposition than a larger, more overtly desktop-replacement-oriented gaming system. It can be moved between home, university, work or other regular locations, but its weight means that portability is a considered feature rather than something to take for granted.

The fact sheet does not provide physical dimensions, so no claim can be made about its thickness, footprint, bag fit or desk space beyond the 15.6in screen size and 2.35kg weight. That absence matters. Buyers who need to fit the laptop into a particular bag, work in restricted spaces or compare it with another model on desk depth should check the manufacturer dimensions rather than infer them from the x15 name or from the screen size alone.

The 87Wh battery is a relatively large stated capacity, but capacity is not battery life. No published battery-runtime figure appears in the supplied information. It would therefore be wrong to say that the x15 lasts for a working day, a commute, a flight or any fixed number of hours. Gaming laptops can vary substantially by workload, display setting and power mode, and this review has no measurement from which to make that calculation. Buyers who expect frequent use away from a mains socket should seek battery-life testing rather than relying on the 87Wh figure by itself.

What the available information does establish is the intended balance. This is a 2.35kg laptop carrying a Core i7-11800H, 16GB of memory, an RTX 3070 at 110W and a 15.6in 2560x1440 240Hz IPS display. The component combination and benchmark results point towards serious gaming use, while the screen size and weight remain within a category that can reasonably be transported. It is not best viewed as a minimal-weight laptop that happens to play games. It is a gaming machine that has some portability.

There are no supplied measurements for temperatures, fan noise, keyboard feel, chassis rigidity, ports, storage configuration, webcam quality, upgrade access or internal layout. None should be guessed at from the Alienware brand or from the x15 designation. These omissions do not undermine the performance evidence, but they do limit the confidence of any full ownership recommendation. A buyer particularly sensitive to acoustic behaviour or who requires specific connectivity should verify those areas separately. The benchmark data says a great deal about gaming speed; it does not answer every practical question about daily use.

How it compares

The most revealing comparisons are not always against the nearest-sounding GPU name. The supplied rival set deliberately spans a weaker RTX 3050 Ti machine, two systems that appear more powerful by GPU designation but are effectively tied in the shared 1080p data, and a high-power RTX 3080 Ti machine that establishes the x15’s upper performance limit within this group. All comparisons use games held by both systems, preferring the scoring suite.

Against the MSI Prestige 15 with RTX 3050 Ti at 105W

The Alienware averages 70fps ahead of the MSI Prestige 15 across four shared games. This is the largest positive margin in the supplied comparison set and makes the performance gap easy to understand in practical terms. The x15’s RTX 3070 at 110W is not only somewhat faster in the measured shared games; it is in a clearly different performance tier from this RTX 3050 Ti configuration.

That gap matters particularly for the x15’s 240Hz display. A laptop can have a fast panel without consistently producing the frame rates needed to benefit from it. The Alienware’s own results include 206fps, 198fps, 166fps and 143fps, and its 70fps shared-game lead over the Prestige indicates much more scope for high-refresh gaming. This does not tell us the exact game-by-game results for the Prestige, because only the shared-game average difference is provided. It does, however, support a firm conclusion: among these two systems, the Alienware is the choice for buyers prioritising gaming frame rate.

The Prestige comparison also provides context for the 110W RTX 3070. It may not be the most powerful GPU configuration in the wider rival set, but it has a substantial verified advantage over a 105W RTX 3050 Ti machine. Buyers tempted to treat all dedicated gaming GPUs as broadly interchangeable should not do so. The measured 70fps shared-game difference is too large to dismiss as benchmark noise or a minor settings distinction.

Against the MSI Creator Z16P with RTX 3080 Ti

The Alienware averages 1fps ahead of the MSI Creator Z16P across five shared games. On the face of it, that is a surprising result because the Creator carries an RTX 3080 Ti while the Alienware has an RTX 3070. It is also important not to overstate it. A 1fps average advantage is effectively a near-tie in this dataset, not evidence that the Alienware is categorically the more powerful laptop in all games and all settings.

The supplied comparison notes explain why this can happen. At 1080p, lighter titles in the shared selection can become CPU-bound. When that happens, the graphics hardware has less opportunity to separate itself because performance is being constrained elsewhere. Genuine GPU differences can therefore be compressed. This is why a GPU name alone cannot be treated as a complete performance ranking, especially in 1080p results from a mixed game set.

For an x15 buyer, the useful conclusion is favourable but narrow. In these five shared games under the compared conditions, the Alienware performs essentially level with the Creator Z16P. That validates the x15 as a serious performer rather than a compromised RTX 3070 implementation. It does not validate a claim that it will remain ahead at 2560x1440, in more GPU-limited games, or in every future title. The right reading is that the published 1080p shared-game data is extremely close, with the Alienware holding a nominal 1fps average advantage.

Against the HP Omen 16-b1090ng with RTX 3070 Ti

The Alienware averages 0fps difference against the HP Omen 16-b1090ng across five shared games. This is a genuine result, not an omitted comparison or an indication that the systems were not measured. In the shared set, they are level on average.

Again, the most important explanation is the 1080p test environment and the nature of lighter games in the shared set. CPU limits can compress graphics differences, so a laptop with an RTX 3070 Ti does not necessarily open a measurable lead in every 1080p benchmark selection. The x15’s Core i7-11800H, RTX 3070 at 110W and 16GB of memory combine to produce a result that matches the Omen in this specific comparison.

For a buyer choosing between these two models, the shared-game average offers no basis for calling one decisively faster at the tested setting. Other considerations would need to decide the purchase, but the fact sheet does not supply enough information to compare those areas comprehensively. There is no confirmed UK price for either exact configuration, and there are no comparable battery, noise, thermal or dimension figures here. The performance takeaway is simply that the Alienware is level with the RTX 3070 Ti Omen across the five shared games, not that the systems are identical in every respect.

Against the MSI Raider GE77 HX with RTX 3080 Ti at 175W

The MSI Raider GE77 HX is the strongest listed rival in the shared-game comparison. It averages 29fps ahead of the Alienware across five shared games. Unlike the Creator Z16P and Omen comparisons, this is not a near-zero difference that can be described as a tie. It is a meaningful lead and the clearest warning against assuming that the x15’s close results against some higher-labelled rivals make it equivalent to every RTX 3080 Ti laptop.

The Raider’s RTX 3080 Ti is specified at 175W, compared with 110W for the Alienware’s RTX 3070. The machines also use different GPU models, so the comparison cannot attribute the 29fps gap to power limit alone. Still, the combined specification difference and the measured result point in the same direction: the Raider has a materially higher performance ceiling in the five shared games.

This is the comparison that matters most for buyers who put maximum frame rate ahead of portability. The Alienware is already fast, with a 140fps scoring-suite mean and individual results reaching 206fps. But a 29fps shared-game deficit means there are workloads where a higher-power machine provides a noticeably stronger result. For demanding games, for buyers hoping to push higher settings or higher resolution, or for those who want more performance margin rather than merely adequate speed, the Raider is the more convincing direction based on this data.

The counterpoint is that the x15 does not need to beat the Raider to be a sensible purchase. It needs to suit the buyer’s use. A 2.35kg 15.6in laptop with strong 1080p numbers may be preferable to someone who values a more transportable form factor, while the larger performance lead may be more valuable to a buyer who expects the laptop to spend most of its time in one place. The fact sheet does not provide the Raider’s weight, so no direct portability comparison should be made. The benchmark evidence only establishes the gaming-performance difference.

Who it’s for

Buy the Alienware x15 RTX 3070 if your priorities match its strengths

This laptop suits players who want high verified frame rates at 1920x1080 High without upscaling, particularly in games where the measured results sit well above 120fps. Strange Brigade at 206fps, The Witcher 3 at 198fps and GTA V at 166fps make a strong case for the x15 as a high-refresh gaming machine. Dota 2 at 143fps further supports that case, especially for players who care about quick response and fluid motion rather than merely clearing 60fps.

It also suits someone who wants a 15.6in gaming laptop that can be transported with some regularity. At 2.35kg, it is not exceptionally light, but it avoids the implication that serious gaming requires an immovable desktop-replacement format. The 87Wh battery capacity may be attractive to a buyer who values battery size, but it should not be converted into an assumed runtime. The right buyer is someone who expects to use it primarily near power but appreciates the option to move it.

The x15 is especially sensible for buyers who understand the difference between panel capability and game performance. Its 240Hz QHD IPS display is a strong specification, and the 1080p data demonstrates that several games can make real use of high refresh. But the right owner will not expect every game to run at 240fps, and will not assume that 1080p figures directly describe native 2560x1440 results. This is a machine for an informed buyer willing to tune expectations game by game.

It also makes sense for someone comparing it with the MSI Creator Z16P or HP Omen 16-b1090ng and focusing on the supplied shared-game evidence. The x15 is effectively tied with both: 1fps ahead of the Creator across five shared games and level with the Omen across five. If the Alienware’s screen size, weight or other verified specifications appeal more, there is no performance reason in this specific 1080p comparison to dismiss it as clearly slower.

Buy something else if maximum performance is the priority

Buy something else if your principal objective is the highest available shared-game performance rather than a balance of performance and portability. The MSI Raider GE77 HX is 29fps ahead on average across five shared games. That is the clearest performance advantage in the direct comparisons where the Alienware loses. Buyers who want more headroom for demanding games should take that result seriously rather than focusing only on the x15’s strong best-case results.

Buy something else if native 2560x1440 gaming performance is the deciding factor and you require verified figures before purchase. The Alienware’s panel is 2560x1440, but the supplied benchmark data is 1920x1080 High. There is no measured 1440p result here for Strange Brigade, The Witcher 3, GTA V, Dota 2, Far Cry 5, Final Fantasy XV or X-Plane 11. The laptop may be capable at native resolution, but this review cannot responsibly put a frame-rate number on it.

It is also not the obvious choice for a buyer who needs the lightest possible laptop. A 2.35kg weight is transportable, not ultralight. The fact sheet provides no dimensions, so there is no evidence to argue that it is unusually compact for its class. Someone carrying a laptop every day, over long distances, may reasonably prioritise lower weight over the x15’s gaming performance.

Finally, do not buy it solely because it has an RTX 3070, a 240Hz panel or an 87Wh battery. Each headline needs context. The RTX 3070 operates at 110W. The 240Hz screen is supported well by some 1080p game results but not fully reached by any published figure. The battery capacity is known, but battery life is not. The x15’s case rests on the complete picture: strong 1080p High benchmark data, a high-spec QHD display whose native-resolution performance is unconfirmed here, moderate rather than minimal weight, and no confirmed UK price for the exact configuration.

For the buyer whose games resemble the faster half of the measured selection, the Alienware x15 RTX 3070 looks compelling. For someone focused on titles closer to Final Fantasy XV and X-Plane 11, it remains capable but should be viewed as a 90fps-class machine in those examples rather than a universal high-refresh champion. That distinction is the useful one. The x15 is a strong gaming laptop on the available evidence, but its strengths are specific: excellent 1080p results in favourable titles, good results in heavier ones, and a screen specification that is more ambitious than the resolution at which the published numbers were measured.

How it compares