Nvidia’s RTX Spark brings Windows laptops with up to 128GB of unified memory, on sale from 16 October
Announced with Microsoft on 7 October, the chip pairs an Nvidia Grace CPU with a Blackwell GPU. Microsoft’s Surface Laptop Ultra starts at $2,599.
How this story was checked
- ResearchedWith AI assistance · 3 sources
- AI source checkEach sentence matched to its source
- Editor approvalMayank Sahu · 11 Oct, 20:41
- Published11 Oct, 20:41
In short
Nvidia and Microsoft announced RTX Spark on 7 October 2026, a chip for Windows laptops and small desktops with up to a 20-core Grace CPU, a 6,144-core Blackwell GPU and 128GB of unified memory. Laptops go on sale on 16 October.
What was announced
Nvidia and Microsoft announced RTX Spark, a chip for Windows laptops and compact desktops, at a Microsoft event in San Francisco on 7 October 2026.1 Laptop pre-orders opened that day and laptops go on sale on 16 October. Compact desktops follow in November.12
The chip
Nvidia says RTX Spark combines:1
- a Blackwell RTX GPU with up to 6,144 GPU cores,
- an Nvidia Grace CPU with up to 20 cores,
- up to 128GB of unified memory shared by both, with a 600 GB/s link between CPU and GPU.
Nvidia quotes up to one petaflop of FP4 AI compute.1 TechRepublic notes this is a theoretical peak figure and not a measure of performance across all workloads.2 The chip was known earlier by its codename, N1X.2
Who is making PCs
Nvidia lists Acer, ASUS, Dell, HP, Lenovo, Microsoft, MSI and Gigabyte.1 Microsoft’s Surface Laptop Ultra has a 15-inch mini-LED touchscreen. It starts at $2,599 with an 18-core CPU, 5,120 GPU cores, 24GB of memory and a 512GB SSD; the top model with 128GB of memory is $5,899.23
Agents on Windows
Microsoft also made Microsoft Execution Containers (MXC) generally available. Nvidia describes it as part of Windows that lets AI agents run in the background under operating-system control, working with Microsoft Security and Agent 365.1 “We needed to make the desktop the most secure place for agents to execute,” Microsoft CEO Satya Nadella said, as quoted by Nvidia.1
Running models on the laptop
Microsoft says the platform can run models with more than 120 billion parameters on the device.2 Nvidia also previewed a DGX Station for Windows with 748GB of memory, with no price or date yet.1
India
No India prices or launch dates were announced in the sources we checked.
Fact ledger
How labels workQuestions readers ask
When can I buy an RTX Spark laptop?
Pre-orders opened on 7 October and laptops go on sale on 16 October 2026. Compact desktops follow in November.
How much is the Surface Laptop Ultra?
It starts at $2,599 in the US and goes up to $5,899 for the 128GB model, according to TechRepublic and TweakTown.
Is RTX Spark coming to India?
No India prices or dates had been announced when we checked.