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RTX Spark laptop vs Ryzen AI Max 400: AMD says Nvidia is late to the unified-memory PC

AMD says Nvidia didn’t invent the unified-memory laptop — it just joined one AMD launched in early 2025. And with 192GB of RAM and no emulation layer, Team Red says it’s already ahead.

By Boot Sequence

The Computing Desk · (12 Oct 2026)

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Side-by-side render of a sleek clamshell laptop labeled 'RTX Spark' and a slightly thicker, matte-finish device labeled 'Ryzen AI Max 400'
Side-by-side render of a sleek clamshell laptop labeled 'RTX Spark' and a slightly thicker, matte-finish device labeled 'Ryzen AI Max 400'Photo via Tom's Guide

Nvidia’s RTX Spark laptop platform is official — and AMD has already fired back. The chipmaker confirmed the RTX Spark launch alongside Microsoft’s Surface Laptop Ultra on Friday, touting unified memory, local AI, and desktop-class performance in a thin-and-light chassis. But within hours, AMD’s Mike Nordquist, CVP of Client Product Marketing, called it a validation, not an invention.

Of a category AMD entered over a year ago with Strix Halo, and now dominates with its second-gen Ryzen AI Max 400 series (codename Gorgon Point Halo), announced just last month. The headline number? 192GB of unified memory, 64GB more than RTX Spark’s 128GB cap. Enabling AI models up to 300 billion parameters, per Nordquist.

That’s not theoretical: it’s shipping. And it runs natively on x86, not Arm. Which brings us to the real friction point. Nvidia’s RTX Spark and Microsoft’s Surface Laptop Ultra both rely on Arm architecture, same as Qualcomm’s Snapdragon X Elite.

That means Windows apps built for x86 must be emulated on the fly. AMD doesn’t hide from that reality. Nordquist pointed out that Arm wasn’t mentioned once in the entire RTX Spark keynote. “I still don’t know what that experience is going to be,” he said, bluntly questioning CPU performance and app compatibility.

“Everything just runs native [on AMD]. You’re buying into something that’s going to work.” He added: “They’re new to the laptop market in general. We’ve been doing it for 30 years-plus in this space, so I think we know how to run Windows.” No price or availability details were given for any RTX Spark-based system in the Tom’s Guide report.

Only that Microsoft’s Surface Laptop Ultra is the flagship partner device. AMD did not announce pricing or launch dates for its Gorgon Point Halo systems either, but confirmed they are in-market now. What’s clear is this isn’t about specs alone. It’s about execution: whether Arm’s power efficiency gains outweigh the risk of emulation hiccups, legacy software breakage, and thermal compromises in real-world use.

Benchmarks, not briefings. Will decide that. Next up: actual reviews of RTX Spark laptops, side-by-side with Ryzen AI Max 400 machines, measuring not just AI throughput but battery life, sleep reliability, gaming compatibility, and how well Photoshop, Premiere, and Visual Studio actually behave without translation layers. That testing starts now.

Surface Laptop Ultra: everything we knowPrice, specs, release date and deals in one place

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Written by the Hitechreports desk from the reporting credited above, with facts attributed to their original publishers. We do not test devices ourselves; anything about performance, battery life or cameras comes from the outlets that did. Prices are as reported at the time of writing. Editorial policy · Report an error

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