NVIDIA RTX Spark N1X 18-core CPU 5120-core GPU vs NVIDIA RTX Spark N1X 20-core CPU 6144-core GPU processor comparison: performance score, cores and clock speeds, cache, TDP, integrated graphics and NPU. The better value in each row is highlighted in green.

Summary

NVIDIA RTX Spark N1X 20-core CPU 6144-core GPU offers more cores (20 vs 18), more threads (20 vs 18), a higher clock speed (4.1 GHz vs 3.9 GHz), and more integrated graphics units (6144 vs 5120).

Performance score

0

Coming soon

0

Coming soon

Key specs

Cores & Threads18/18
Cores & Threads20/20
Turbo3.9 GHz
Turbo4.1 GHz
L3 cache24 MB
L3 cache24 MB
TDPN/A
TDPN/A
iGPUNVIDIA Blackwell RTX GPU
iGPUNVIDIA Blackwell RTX GPU

General

SeriesN1X
SeriesN1X
CodenameGrace
CodenameGrace
CPU architectureCortex-X925, Cortex-A725
CPU architectureCortex-X925, Cortex-A725
FoundryTSMC
FoundryTSMC
Process node3 nm
Process node3 nm
Instruction setARM64
Instruction setARM64
Release dateSeptember 3, 2026
Release dateMay 31, 2026

Cores and clocks

Cores & Threads18/18
Cores & Threads20/20

9× Cortex-X925

Turbo clock
3.9 GHz
Base clock
1.7 GHz

10× Cortex-X925

Turbo clock
4.1 GHz
Base clock
1.7 GHz

9× Cortex-A725

Turbo clock
2.8 GHz
Base clock
1.5 GHz

10× Cortex-A725

Turbo clock
2.8 GHz
Base clock
1.5 GHz

Cache

L3 cache24 MB
L3 cache24 MB
L2 cache22.5 MB
L2 cache25 MB
L1 cache2304 KB
L1 cache2560 KB

TDP

TDPN/A
TDPN/A
TDP range45 - 80 W
TDP range45 - 80 W
Max temperatureN/A
Max temperatureN/A

Connectivity

Memory supportLPDDR5x-9400
Memory supportLPDDR5x-9400
Memory channels4
Memory channels4
PCIe version5.0, 4.0
PCIe version5.0, 4.0
PCIe lanes12, 5
PCIe lanes12, 5

Graphics

ModelNVIDIA Blackwell RTX GPU
ModelNVIDIA Blackwell RTX GPU
iGPU architectureBlackwell
iGPU architectureBlackwell
CUDA cores5120
CUDA cores6144
ClockN/A
ClockN/A

AI

Total TOPSN/A
Total TOPSN/A
NPU TOPS55
NPU TOPS55
iGPU TOPSN/A
iGPU TOPSN/A

Other match-ups