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NVIDIA GB10 Grace Blackwell Superchip

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AI

AI performance (FP4)
up to 1 PFLOPS
AI TOPS
up to 1,000 TOPS
Max local LLM params
up to 200B params

CPU

CPU cores
20 cores
Performance cores
10 cores
Efficiency cores
10 cores
Core configuration
10x Cortex-X925 + 10x Cortex-A725

GPU

GPU architecture
NVIDIA Blackwell
CUDA cores
6,144 cores
Tensor Core generation
5th gen
RT Core generation
4th gen

Memory

Memory type
LPDDR5X
Memory speed
8,533 MT/s
Memory bus width
256-bit
Memory channels
16 ch
Memory bandwidth
273 GB/s
Memory (max)
128 GB
Unified memory
Yes

Power & battery

Max TDP
140 W

Connectivity

CPU-GPU interconnect
NVIDIA NVLink-C2C

Timeline

  1. Announced

Machines with this chip

Coverage

Sources

Numbered in order of first use on this page.

  1. 1
  2. 2
    NVIDIA DGX SparkOfficial NVIDIA
  3. 3
    NVIDIA Announces DGX Spark and DGX Station Personal AI ComputersOfficial NVIDIA Newsroom · Published Mar 18, 2025