I just tested Asus first AMD Ryzen AI Copilot+ PC can it beat Snapdragon X Elite? Sort of – Tom’s Guide
Copilot+ PCs are about to enter their confusing era with the Asus Zenbook S 16, as we welcome x86 to the party bringing its own set of pros and cons that Ill go into.
To talk about whats going on here, the first of these new laptops packing Snapdragon X Elite rely on Arm processing. This is a mobile-first chip architecture that breaks down complex tasks into the barebones instructions and completes a single one with every tick of that processors clock cycle (otherwise known as Reduced Instruction Set Computing (RISC).
And with this choice, you get key benefits that are important to laptop users like striking that fine balance between maximizing power and giving you a nice, long battery life (as can be seen in the battery behemoth that is the HP Omnibook X).
Meanwhile, at Computex 2024, we learnt more about what Intel and AMD is bringing to the mix in terms of its x86 chipsets the architecture used for Windows PCs for over 30 years that uses Complex Instruction Set Computing (CISC) to tackle every part of a task equally. Its done the job well over those three decades, but has historically been the source behind a lot of Windows laptop battery life woes.
It made me nervous-excited in the build up to actually being able to test a laptop with the AMD Ryzen AI 9 HX 370 (what a name), and some of my nervousness has been proven right. While the Zenbook S16 is certainly improved in the battery life department when compared with other x86 laptops, it still falls behind Arm-based systems. Not only that, but we uncovered slower general performance and disk loading speeds too.
Which leaves me feeling really conflicted, because I do like the Zenbook S16 its OLED display is a feast for the eyes, keyboard and touchpad ergonomics are on point, it is very graphically capable, you wont run into any Arm-based app compatibility issues, and I absolutely adore the ceraluminum finish and premium aesthetic.
However, while it does indeed outperform the M3 MacBook Air, the nitty gritty of the results give off the vibe that this laptop is being slightly held back by the past. It makes you really think about whether it's time for Microsoft to fully turn into Arm processing for itself and other laptop makers. And I know that sort of incendiary statement brings a tonne of work for developers turning their apps and games to Arm or relying on the Prism emulation layer.
But as the Copilot+ PC world starts to get a little more confusing, this can all be boiled down to one question you need to ask yourself: do you want compatibility comfort at the expense of worry-free battery life, or sit through the transition of several Windows apps to Arm and embrace a more perfect balance between power and stamina with a Snapdragon system?
And the more I think about it, the more Im realizing that there may only be one correct answer here
This is our first step into AMDs Strix Point, so lets get to the (ahem) point. Yes, AMD Ryzen AI 9 HX 370 is a powerhouse in plenty of areas that puts the M3 MacBook Air on notice. Not only that, but Asus attention to the aesthetics and ergonomics makes this rather nice to use.
Asus struck gold with its design refresh involving these clean lines and utilitarian branding, and the Zenbook S 16 continues this trend with a gorgeously sophisticated notebook. It all starts with that ceraluminum finish (PR-speak for a ceramic/aluminum composite), which gives the lid an incredible textured finish that feels great to the touch and eliminates any fingerprints.
Its also impressively thin and light for a 16-inch laptop, though the MacBook Air does pip it in thinness and the Surface Laptop 7 edges below in weight.
Then you open it up, and youre greeted by a mouthwatering OLED screen (more on that later) alongside a fantastic keyboard/touchpad combination. In some ways, the touchpad reminds me of the Huawei MateBook X Pro giving you controls over the brightness, volume and video scrubbing along the edges of it along with a smooth multi-touch surface.
Meanwhile, the keyboard is nicely spaced out with plenty of comfortable travel on each individual key. Put simply, youll really enjoy getting stuff done on here.
I was recently an OLED convert, and the Zenbook S 16 continues my love affair with the panel technology a flash flood of accurate color for all your productivity and entertainment purposes. While LCD continues to pip it in terms of brightness, Id happily give up a little bit of that in favor of this vividity.
In terms of that accuracy, the MacBook Airs Liquid Retina panel does come close enough that you wont really tell the difference in the sRGB gamut. But its in things like watching super colorful shows or making the most of that deep contrast ratio where the S 16 really comes into its own.
So lets dabble with the AMD Ryzen AI 9 HX 370 in here. With 12 cores and 24 threads clocked at up to 5.1 GHz, it is capable of handily defeating the M3 MacBook Air and even comes close to taking on M3 Pro. When compared to Snapdragon X Elite, the picture is a little bit mixed, but were entering an era where Windows laptops are becoming more capable of taking on Apple silicon.
Where it does beat Snapdragon, however, is in three key areas:
Of course, these 3DMark results may be skewed slightly by the fact that they rely on x86 architecture, which means the Surface Laptop 7s Snapdragon X Elite will have to run it through Prism translation. However, this is a realistic representation given the job of rebuilding a lot of apps to make the most of Arm is well underway and will take a while to finish. So a compromise in performance is expected.
A complicated picture is being painted by the new AMD chips here. On one hand, they are indeed more powerful in certain areas. But its almost as if the Zenbook S 16 is being slightly hamstrung from really competing with the Arm likes of Snapdragon X Elite and Apple silicon.
If we were in a world where all Windows laptops were x86 and Microsofts Arm efforts were still a bit of a joke, I would be here telling you how the battery life has improved over the likes of Intel Core Ultra (which it has).
But were not. Were in a new era where Windows 11 systems are capable of outlasting MacBooks, so its time to alter expectations:
As you can see, the not-so-power-efficient nature of x86 means it falls behind its competition by at least a couple of hours.
Plus, in what seems to be a symptom of most Copilot+ PCs weve tested, while thermal management has improved over last generation chips, they do still get noticeably hotter than Apples notebooks.
As you saw from the performance charts up above, the margins between AMD and Qualcomm are fine, but there is a difference here in Geekbench scores, SSD transfer speeds and the way it handles transcoding video.
In practice, these wont be the biggest dips in performance in real world use. I experienced extremely little slowdown under intense multitasking pressure. But the numbers dont lie, and with both the Arm Surface Laptop 7 and x86 Zenbook S 16 coming in at near-identical prices, you are getting a slightly better price-to-performance ratio when it comes to tackling multi-core tasks and loading up big files.
Copilot+ PCs are entering their confusing era, as not every chip will give you the same experience youd expect from reading our current crop of reviews.
The Asus Zenbook S 16 is, in many ways, a good laptop. The OLED display is a spectacle encased in that beautiful ceraluminum shell with a top notch keyboard and touchpad. Not only that, but sticking to x86 gives you no issues with app compatibility while Windows developers scramble to create Arm versions.
However, you cant stop the feeling that maybe, just maybe, Strix Point plays second fiddle to Snapdragon X Elite. I mean there are some areas where it reigns supreme, such as integrated graphics and AI processing with that larger NPU.
But the Arm variant of Copilot+ PCs strikes a better balance between performance and power efficiency something that I would pick even though running into some apps that just dont work yet can be frustrating.
Original post:
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