Product Compare

NVIDIA B100 vs NVIDIA A100 PCIe 80 GB

GPU GPU
Graphics Card
Release Date Unknown Jun 2021
Generation Server Blackwell Tesla Ampere(Axx)
Type Desktop Professional
Bus Interface PCIe 5.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 700 MHz 1065 MHz
Boost Clock 975 MHz 1410 MHz
Memory Clock 2000 MHz 1512 MHz
Memory
Memory Size 96GB 80GB
Memory Type HBM3e HBM2e
Memory Bus 4096bit 5120bit
Bandwidth 4.10TB/s 1.94TB/s
Render Config
SM Count 132 108
Shading Units 16896 6912
TMUs 528 432
ROPs 24 160
Tensor Cores 528 432
L1 Cache 256 KB (per SM) 192 KB (per SM)
L2 Cache 50 MB 80 MB
Theoretical Performance
Pixel Rate 23.40 GPixel/s 225.6 GPixel/s
Texture Rate 514.8 GTexel/s 609.1 GTexel/s
FP16 (half) 131.8 TFLOPS 77.97 TFLOPS
FP32 (float) 32.95 TFLOPS 19.49 TFLOPS
FP64 (double) 16.47 TFLOPS 9.746 TFLOPS
Graphics Processor
GPU Name GB102 GA100
Architecture Blackwell Ampere
Foundry TSMC TSMC
Process Size 5 nm 7 nm
Transistors 104 billion 54.2 billion
Die Size Unknown 826 mm²
Board Design
TDP 1000W 300W
Suggested PSU 1400 W 700 W
Outputs No outputs No outputs
Power Connectors 8-pin EPS
Graphics Features
DirectX N/A N/A
OpenGL N/A N/A
OpenCL 3.0 3.0
Vulkan N/A N/A
CUDA 10.1 8.0
Shader Model N/A N/A