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Chip · Announced

NVIDIA RTX Spark N1X (20-core CPU / 6,144 CUDA cores)

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AI

AI performance (FP4)
up to 1 PFLOPS
Max local LLM params
120B params
Max context tokens
1,000,000 tokens

CPU

CPU name
NVIDIA Grace CPU
CPU cores
up to 20 cores
Performance cores
10 coresReported
Efficiency cores
10 coresReported
Core configuration
10x Cortex-X925 + 10x Cortex-A725Reported
ISA
Arm (Windows on Arm)≠
CPU design partner
MediaTek

GPU

GPU architecture
NVIDIA Blackwell RTX
Streaming multiprocessors
48 SMsReported
CUDA cores
6,144 cores
Tensor Core generation
5th gen
GPU features
CUDA, RTX, DLSS, FP4, TensorRT, OptiX, Reflex, G-SYNC

Memory

Memory type
LPDDR5X
Memory speed
8,533 MT/sReported
Memory bus width
256-bit
Memory channels
16 ch
Memory bandwidth
273 GB/sEstimate
Memory (max)
up to 128 GB
Memory range
24–128 GBReported
Unified memory
Yes

Power & battery

Max TDP
80 WEstimate

Connectivity

CPU-GPU interconnect
NVIDIA NVLink-C2C

Other

Target use
laptops and compact desktop PCsReported

Timeline

  1. Announced
  2. Availability
  3. Availability

Machines with this chip

Coverage

Sources

Numbered in order of first use on this page.

  1. 1
    NVIDIA and Microsoft Reinvent Windows PCs for the Age of Personal AIOfficial NVIDIA Newsroom · Published May 31, 2026
  2. 2
    Introducing a powerful new chapter for Windows PCs, accelerated by NVIDIA RTX SparkOfficial Windows Experience Blog (Microsoft) · Published May 31, 2026
  3. 3
  4. 4
  5. 5
  6. 6
    Nvidia's RTX Spark N1X launches in October for laptops and desktopsMedia Tom's Hardware · Published Sep 3, 2026
  7. 7
  8. 8
    Sparks Fly: NVIDIA Accelerates Local AI at IFA 2026Official NVIDIA Blog · Published Sep 3, 2026