NVIDIA
CPULaptopReleased 2026

NVIDIA RTX Spark

20C/20T · 45 W

NVIDIA RTX Spark is a Windows on Arm superchip for thin laptops and compact desktops, announced by NVIDIA at GTC Taipei during Computex on May 31, 2026, with systems arriving from fall 2026. The laptop version combines a 20-core NVIDIA Grace CPU, designed in collaboration with MediaTek, with a 6,144-core Blackwell RTX GPU and up to 128 GB of unified LPDDR5X memory, delivering up to 1 petaflop of FP4 AI performance within a 45 to 80 W power range. A desktop version has an 18-core CPU, a 5,120-core GPU and up to 64 GB of memory. Laptop makers include ASUS, Dell, HP, Lenovo, Microsoft and MSI.

General

Manufacturer
NVIDIA
Model
NVIDIA RTX Spark
Segment
Laptop
Generation
RTX Spark
Codename
N1X
Architecture
ARM64
Microarchitecture
10x Cortex-X925 + 10x Cortex-A725
Release date
2026

Cores & clocks

Cores / threads
20 cores / 20 threadsP10+E10
Base clock
—
Boost clock
—
TDP (design W)
45 W
Max: 80 W
Unlocked
✕ No
L2 cache
—
L3 cache
—
Technology (nm)
—

Platform

Socket
—
2-CPU (multi-socket)
✕ No
Integrated GPU
Blackwell RTX GPU (6,144 CUDA cores)
Memory type
LPDDR5X (unified)
Memory size
Up to 128 GB
ECC memory
—
PCIe
—

Instructions & AI

Instruction extensions
—
NPU
None

OS support

Notes
NVIDIA lists Windows 11 on Arm as the operating system for RTX Spark laptops and desktops, with x86 applications running through Microsoft's Prism emulator. Windows 10 is not supported. Microsoft has not yet listed RTX Spark on its version-specific Windows 11 supported-processor lists.