Product Compare

NVIDIA A100 PCIe vs NVIDIA GB10

GPU GPU
Graphics Card
Release Date Jun 2020 Oct 2025
Generation Tesla Server Blackwell
Type AI GPU Desktop
Bus Interface PCIe 4.0 x16 PCIe 5.0 x16
Clock Speeds
Base Clock 765 MHz 1665 MHz
Boost Clock 1410 MHz 2418 MHz
Memory Clock 1215 MHz 1067 MHz
Memory
Memory Size 40GB 128GB
Memory Type HBM2e LPDDR5X
Memory Bus 5120bit 256bit
Bandwidth 1555GB/s 273.2GB/s
Render Config
SM Count 108 48
Shading Units 6912 6144
TMUs 432 384
ROPs 160 48
Tensor Cores 432 384
L1 Cache 192 KB (per SM) 256 KB (per SM)
L2 Cache 40 MB 50 MB
RT Cores 48
Theoretical Performance
Pixel Rate 225.6 GPixel/s 116.1 GPixel/s
Texture Rate 609.1 GTexel/s 928.5 GTexel/s
FP16 (half) 77.97 TFLOPS 29.71 TFLOPS
FP32 (float) 19.49 TFLOPS 29.71 TFLOPS
FP64 (double) 9.746 TFLOPS 464.3 GFLOPS
Graphics Processor
GPU Name GA100 GB20B
Architecture Ampere Blackwell 2.0
Foundry TSMC TSMC
Process Size 7 nm 3 nm
Transistors 54.2 billion Unknown
Die Size 826 mm² Unknown
Board Design
TDP 250W 140W
Suggested PSU 600 W 300 W
Outputs No outputs 1x HDMI
Power Connectors 8-pin EPS None
Graphics Features
DirectX N/A N/A
OpenGL N/A N/A
OpenCL 3.0 3.0
Vulkan N/A N/A
CUDA 8.0 12.1
Shader Model N/A N/A