Highlights:
Inside Microsoft’s Mission to Take Down the MacBook Air
21/5/24
By:
Amitabh Srivastav
Microsoft is convinced its new Copilot Plus PCs will beat Apple’s M3 processor and spark a new generation of Windows laptops.
Microsoft is confident that it finally nailed the transition to Arm chips — so confident that, this time around, the company spent an entire day pitting its new hardware against the MacBook Air.
On a recent morning at its headquarters in Redmond, Washington, Microsoft representatives set out new Surface devices equipped with Qualcomm’s Snapdragon X Elite chips inside and compared them directly to Apple’s category-leading laptop. I witnessed an hour of demos and benchmarks that started with Geekbench and Cinebench comparisons, then moved on to apps and compatibility.
Benchmark tests usually aren’t that exciting to watch. But a lot was at stake here: for years, the MacBook Air has been able to smoke Arm-powered PC chips — and Intel-based ones, too. Except, this time around, the Surface pulled ahead on the first test. Then it won another test and another after that. The results of these tests are why Microsoft believes it’s now in position to conquer the laptop market.
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Performance
Over the past two years, Microsoft has worked in secret with all of its top laptop partners to ready a selection of Arm-powered Windows machines that will hit the market this summer. Known as Copilot Plus PCs, they’re meant to kick-start a generation of powerful, battery-efficient Windows laptops and lay the groundwork for an AI-powered future.
Microsoft is making some big promises on performance for these new devices. Photo by Allison Johnson / The Verge
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Windows laptops have fallen far behind MacBooks in performance and battery life ever since Apple’s transition to its own chips with the M1 launch in 2020. That makes Microsoft’s confidence levels here surprising, particularly given its rocky efforts with Windows on Arm over the past decade. Microsoft first attempted to transition Windows to Arm chips with the Surface RT in 2012, but performance was terrible and app compatibility was virtually nonexistent. The launch of the Surface Pro X in 2019 was a lot better thanks to improved emulation and underlying Windows changes. It wasn’t enough to match Apple’s M1 launch months later, but it was a sign of things to come, with the start of a close Qualcomm partnership that now looks like it might finally pay off.
I won’t be fully convinced until I’ve spent enough time with one of these new Copilot Plus PCs, but everything Microsoft showed me around performance and battery life looks lightyears ahead of the Arm-powered Windows laptops that existed before today.
Compatibility
One of the big advancements is an improved emulator called Prism, which Microsoft claims is as efficient as Apple’s Rosetta 2 translation layer and can emulate apps twice as fast as the previous generation of Windows on Arm devices.
That should result in efficiency gains over the previous emulator, but Microsoft is being vague with its promises here, so I’m not expecting huge leaps. Emulation only goes so far anyway. Apple’s success with the M1 was thanks to developers quickly porting apps to be fully native. Windows needs that same level of support from its developer community.
Fortunately for Microsoft, two major shifts have happened in recent years. First, many of the biggest apps now natively support Arm chips: Photoshop, Dropbox, Zoom, Spotify, and top entertainment apps like Prime and Hulu are all native ARM64 apps now. Second, Google and many other browser makers are moving to ARM64. A native version of Chrome launched recently, followed by Opera just last week. Firefox, Vivaldi, Brave, and Microsoft Edge are all also ARM64 native, so you won’t lose performance in any browser. That’s a big deal when you consider a lot of apps are web-based now and that we spend more time than ever inside a browser.
Microsoft has been working with app developers to get native ARM64 apps ready. Photo: Allison Johnson / The Verge
Overall, Microsoft believes 87 percent of total app minutes spent on these Copilot Plus PCs will be inside native apps. It’s still working on closing that other 13 percent, but the Prism emulator will help in the meantime.
All of this app compatibility and performance is nothing without battery life, though. Microsoft uses a script to simulate web browsing. On 2022’s Intel-based Surface Laptop 5, it took eight hours, 38 minutes to completely deplete a battery; the new Surface Copilot Plus PC lasted two times that, hitting 16 hours, 56 minutes. That’s an incredible jump in efficiency, and it even beats the same test on a 15-inch MacBook Air M3, which lasted 15 hours, 25 minutes. That’s a whole hour and a half more.
Microsoft ran a similar test for video playback, which saw the Surface Copilot Plus PC hit more than 20 hours in a test, with the MacBook Air M3 reaching 17 hours, 45 minutes. That’s also nearly eight hours more than the Surface Laptop 5, which lasted 12 hours, 30 minutes. If those battery gains extend beyond basic web browsing and video playback, this will be a significant improvement for Windows laptops.
AI
These Copilot Plus PCs are equipped with a neural processing unit (NPU) from Qualcomm that hits 45 TOPS of compute for AI tasks. That results in more AI task operations per watt than the MacBook Air M3 and Nvidia’s RTX 4060.
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Microsoft is also integrating more than 40 AI models directly into Windows on Arm to enable new experiences inside Windows and for app developers. Around 10 of these are small language models that will run in the background. These models will allow developers to bring AI experiences directly into their apps, and Microsoft’s battery life measurements include them running continuously on the NPU.
The new Recall feature on Copilot Plus PCs. Image: Microsoft
The Live Captions feature of Windows 11 is also getting AI-powered live translations to provide real-time translation of any video. Microsoft is also adding Auto Super Resolution to Windows 11, which automatically upscales games to improve frame rates and graphics resolution.
It’s still early days on the AI features inside Windows, but Microsoft has built a new kernel and compiler ready for these Arm-based chips. It’s a rework at the heart of Windows on Arm that should make it feel speedy to use and potentially unlock a new wave of AI features and apps.
Acer, Asus, Dell, HP, Lenovo, and Samsung are all launching new Copilot Plus PCs, which will ship initially with Qualcomm processors. If everything Microsoft showed me holds up in real-world testing, this is a monumental moment for Windows laptops — with just as big an impact as a new release of Windows itself.
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