NVIDIA N1X (20C48SM) 140W Full Specs

Summary

20 Cores(10P+10E) 20 Threads(10P+10E) 3GHz

TDP 140W

Bandwidth 300GB/s LPDDR5X

iGPU RTX Spark N1X 140W

Peak·FP32·FP16 1000 TFLOPSNVFP4 Tensor Sparse

Highlights

Geekbench 6 Single

Geekbench 6 Single Geekbench 6 Multi Max Bandwidth iGPU Peak iGPU FP32 iGPU FP16

N1X (20C48SM) 140W3,080

x1

Top Score4,610

x1.50

DesktopM6 (12C12G)

Core Config

20 Cores 10P 10E

20 Threads 10P 10E

Clocks

Base Clock 3GHz

Cache

L1i 64KB P

L1d 64KB P

L2 2MB P 512KB E

Memory

Type LPDDR5X

Max Memory 128GB

ECC -

Channels 16

Bus Width 256-bit

Speed 9375MT/s

Bandwidth 300GB/s

Bandwidth Calculator Channels Transfer Rate9375MT/s UC·Spec·OC 300GB/s

Power & Thermals

TDP 140W

Expansion

PCIe PCIe 5.0

iGPU

iGPU RTX Spark N1X 140W

Shaders 6144

Boost Clock 2.54GHz

Peak·FP32·FP16 1000 TFLOPSNVFP4 Tensor Sparse

Chip

Manufacturer NVIDIA

ISA AArch64

Architecture ARMv9.2-A

Family RTX Spark

Branding

Codename Grace Blackwell GB10Die Grace Blackwell GB10Variant Cortex-X925P-Core Cortex-A725E-Core

Market Segment Desktop

Official specs

Fabrication

Foundry TSMC

Fabrication Node N3E

Images