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Nvidia enters Windows PC chip market with N1X Arm processor

Nvidia enters Windows PC chip market with N1X Arm processor

New Capabilities

Co-designed with MediaTek and paired with a Blackwell GPU, the chip is the first direct challenge to four decades of Intel and AMD x86 dominance on Windows.

Yesterday: Jensen Huang unveils N1X at Computex Taipei

Overview

For four decades, the Windows PC has run on x86 chips from Intel or AMD, but on June 1 in Taipei, Nvidia put that arrangement on notice. CEO Jensen Huang unveiled the N1X, a 20-core Arm processor built with MediaTek and paired with a Blackwell GPU carrying 6,144 CUDA cores.

Microsoft confirmed Windows on Arm support the same morning. Dell, HP, ASUS, Lenovo and MSI committed to shipping N1X laptops before the 2026 holiday season. It is the most credible challenge yet to a CPU duopoly that has defined the personal computer.

Why it matters

If N1X delivers, Windows laptops can finally run CUDA — putting desktop-class AI work and gaming on the same chip as an all-day-battery thin-and-light.

Questions about this story

0

There are already arm windows CPU’s, correct? Are they able to run 100% of windows software?

Yes, Arm Windows PCs have been on sale since mid-2024 — but they run roughly 93% of software, not 100%, with competitive games and a handful of legacy tools still broken.

Why it matters: The remaining gaps are exactly the catch Nvidia's N1X faces at launch: it relies on the same Microsoft Prism emulation layer Qualcomm has been navigating for two years.

  • Qualcomm's Snapdragon X Elite shipped in June 2024 as the first Arm-only Windows laptop chip; Nvidia's N1X, announced today, is the second entrant.
  • Microsoft's Prism emulator handles x86/x64 apps with roughly 10–15% performance overhead, which is largely unnoticeable on day-to-day tasks on modern chips.
  • Known hard blockers: games using kernel-level anti-cheat (Fortnite, some competitive titles), certain Adobe tools (Dreamweaver, After Effects), and hardware utilities requiring bespoke drivers (Corsair iCUE, Core Temp).
  • Community-tracked lists at windowsonarm.org and worksonwoa.com document 5,000+ apps — a practical resource for checking a specific title before buying.
Room for disagreement
  • Microsoft and Qualcomm emphasize that 90%+ of user time is spent in apps that already run natively, framing compatibility as essentially solved; independent reviewers and enterprise IT teams counter that the remaining gaps — anti-cheat, legacy drivers, certain creative tools — are precisely the high-stakes software that blocks broad adoption.
AI-generated with web search — may be wrong. Check the linked sources.

Key Indicators

6,144
CUDA cores on the N1X GPU
Same shader count as the desktop GeForce RTX 5070, but inside a 45-80W laptop part.
20
Arm CPU cores
Ten Cortex-X925 performance cores and ten Cortex-A725 efficiency cores, designed by MediaTek.
5
OEMs shipping N1X laptops by 2026 holiday
Dell, HP, ASUS, Lenovo and MSI all committed at Computex.
0.8%
Arm share of Windows PC shipments, Q3 2024
Snapdragon X Elite's first full quarter — the gap N1X has to close.

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People Involved

Organizations Involved

Timeline

October 2023 June 2026

6 events Latest: Yesterday
Tap a bar to jump to that date
  1. Jensen Huang unveils N1X at Computex Taipei

    Latest Product launch

    Huang reveals the Nvidia-MediaTek N1X with a Blackwell GPU. Microsoft confirms Windows on Arm support. Dell, HP, ASUS, Lenovo and MSI commit to holiday-season laptops.

  2. Nvidia and Microsoft tease 'a new era of PC'

    Marketing

    Coordinated social posts from both companies set up a joint announcement at Jensen Huang's Computex keynote.

  3. N1X specs leak ahead of Computex

    Leak

    Industry sites publish full N1X die layout: 20 Arm cores, 6,144 CUDA cores, TSMC 3nm, up to 128 GB LPDDR5X.

  4. Snapdragon X captures 0.8% of PC market in Q3

    Market data

    Canalys data shows Arm Windows chips reached 720,000 units, a modest start that left x86 above 99% share.

  5. Qualcomm ships Snapdragon X Elite

    Product launch

    First Arm-only Windows laptops reach retail under Microsoft's new Copilot+ PC label, setting the bar Nvidia would later target.

  6. Reuters reports Nvidia is building Windows PC CPUs

    Industry report

    Reuters reveals Nvidia and AMD are designing Arm-based PC CPUs to compete with Intel, with first chips expected by 2025.

Historical Context

3 moments from history that rhyme with this story — and how they unfolded.

June 2020 to June 2023

Apple Silicon M1 transition (2020)

Apple announced at WWDC 2020 that the Mac would leave Intel for in-house Arm chips. The M1 MacBook Air shipped that November, drawing 7 watts at idle versus 20 for its Intel predecessor. Apple finished the transition with the Mac Pro in June 2023.

Then

M1 Macs got near-universal acclaim and a roughly 50% battery-life improvement. Rosetta 2 translated most x86 apps cleanly enough that consumers barely noticed the switch.

Now

Apple proved Arm could win the laptop on performance per watt, not just power efficiency. The success made Windows-on-Arm credible as a project and pulled MediaTek, Qualcomm and now Nvidia into the same chase.

Why this matters now

Apple did with one company what Nvidia and Microsoft are trying to do across an ecosystem. The M1 set the performance-per-watt bar N1X reviews will be measured against, and Rosetta 2 set the compatibility bar Microsoft's Prism layer has to clear.

June 2024

Snapdragon X Elite launch (2024)

Qualcomm shipped the Snapdragon X Elite as the first Arm chip designed for Windows laptops, anchoring Microsoft's new Copilot+ PC label. Dell, HP, Lenovo, ASUS, Microsoft and Samsung all shipped X Elite devices at launch.

Then

Snapdragon X captured 0.8% of PC shipments in Q3 2024 — about 720,000 units. Reviews praised battery life but flagged gaming and pro-app incompatibility under Prism translation.

Now

Qualcomm reached double-digit share in the US over-$800 segment by December 2024 and is rolling out a second-generation X2 family through 2026. The X Elite proved Arm Windows could ship at scale, even if it didn't break x86.

Why this matters now

Snapdragon X is the closest analog and the most direct competitor. Its mixed reception is exactly the trap N1X needs to avoid, and its app-compatibility ceiling is the constraint Nvidia and Microsoft have to break.

October 2012 to January 2015

Windows RT (2012)

Microsoft launched Windows RT on Arm chips alongside the original Surface, intending to bring Windows to tablet-class power budgets. RT could not run any legacy x86 desktop software, only apps from the new Windows Store.

Then

Microsoft took a $900 million Surface RT inventory writedown in 2013. OEMs that built RT devices, including Dell and Lenovo, exited the category within a year.

Now

Windows RT was discontinued and became Microsoft's warning case for any Arm-on-Windows project. The Prism translation layer in 2024 was a direct response to the RT compatibility failure.

Why this matters now

RT shows what happens when Windows on Arm ships without working x86 software. The reason Microsoft's emulator quality matters more than the silicon is that history.

Sources

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