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NVIDIAN1XGrace

NVIDIA RTX Spark N1X 18-Core CPU, 5120-Core GPU

Cores
18
Threads
18
Turbo
3.9GHz
L3 cache
24MB
iGPU
NVIDIA Blackwell RTX GPU

Performance in 2026

Coming soon

Processor specifications

General

Manufacturer
NVIDIA
Series
N1X
Codename
Grace
CPU name
RTX Spark N1X
Chip variant
GSE1-685-A1
CPU architecture
Cortex-X925, Cortex-A725
Foundry
TSMC
Process node
3 nm
Die size
382 mm²
Instruction set
ARM64
Release date
September 3, 2026

Cores and clocks

18 cores, 18 threads

9× Cortex-X925

Max clock
3.9 GHz
Base clock
1.7 GHz

9× Cortex-A725

Max clock
2.8 GHz
Base clock
1.5 GHz

L3 cache

24 MB

L2 cache
22.5 MB
L1 cache
2304 KB

TDP

TDP range
45 - 80 W

Connectivity

Memory support
LPDDR5x-9400
Memory channels
4
PCIe version
5.0, 4.0
PCIe lanes
12, 5

Graphics

NVIDIA Blackwell RTX GPU

iGPU chip
GB20B
iGPU architecture
Blackwell
CUDA cores
5120
TMUs
160
RT cores
40
Tensor cores
160
SM blocks
40
DirectX
12

AI

Total TOPS
55
NPU TOPS
55

Technologies and extensions

NEON, SVE, SVE2, FP16, AES, PMULL, SHA1, SHA2, CRC32, LSE, RDM, DotProd, FHM, I8MM, BF16, JSCVT, FCMA, RCPC, FRINT, PAC, BTI

Other N1X processors