The machine displays potential, but it definitely needs to be in the oven a good while longer.
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As a quick recap, the N1X is supposed to herald a generation of "AI laptops", meaning it's an alternative to the RTX Spark desktop, Mac Studio, Ryzen AI Max machines, and the Macbook Pro. This is due to the fact that they're all designs with large pools of unified memory and competent GPUs, making them suitable for non-datacenter AI work. The N1X packs 10 MediaTek-designed ARM CPU cores in a 5p5e configuration with multi-threading for 20 threads total, plus a GPU purportedly equivalent to a desktop RTX 4070 or a mobile RTX 5070. It can be wired up to 128 GB of LPDDR5X onboard in a unified pool, though the tested machine only has 24 GB.
Fouquin notes the limitations of their "review" and notes they're not an AI person, though they tried running the Phoronix AI test suite nonetheless. This yielded a mixed bag of results, as very few tests would reliably work, seemingly due to pre-production drivers . Some Vulkan tests did run properly, and the reported performance appears to be indeed in the ballpark of an RTX 4070 , though there are two very important caveats.
First, this system and its drivers appear to be very buggy and unoptimized, particularly around power management. Fouquin says the system came with ancient 591.33 drivers from November 2025, eventually upgraded to 616.00 preview drivers with CUDA and Vulkan support. Apart from that, the tester found the machine's TDP spends and power plans behaving erratically, and none of the Phoronix CUDA tests produced results.
Second, head-to-head benchmarks are hard to come by, as RTX-series desktop cards have limited pools of VRAM compared to the 24 GB on the test machine. All told, there's a fair chance that final hardware might perform better, especially considering this pre-production machine displayed many outstanding issues with the LCD display, idle current draw, and that plugging it in or running it from battery didn't make any difference. Interestingly, despite the 616.00 drivers adding features, performance actually took a significant turn for the worse.
Surface Laptop Ultra targets 110W TDP for RTX Spark Superchip
Key considerations
- Investor positioning can change fast
- Volatility remains possible near catalysts
- Macro rates and liquidity can dominate flows
Reference reading
- https://www.tomshardware.com/laptops/SPONSORED_LINK_URL
- https://www.tomshardware.com/laptops/mystery-reviewer-finds-nvidia-rtx-spark-prototype-laptop-and-puts-it-through-its-paces-microsoft-surface-laptop-ultra-with-nvidia-n1x-chip-shows-promise-though-prototype-warts-are-still-quite-visible#main
- https://www.tomshardware.com/subscription
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Informational only. No financial advice. Do your own research.