Product Compare

NVIDIA A100 PCIe vs NVIDIA H100 PCIe

GPU GPU
Graphics Card
Release Date Jun 2020 Mar 2022
Generation Tesla Tesla Hopper
Type AI GPU AI GPU
Bus Interface PCIe 4.0 x16 PCIe 5.0 x16
Clock Speeds
Base Clock 765 MHz 1095 MHz
Boost Clock 1410 MHz 1755 MHz
Memory Clock 1215 MHz 1593 MHz
Memory
Memory Size 40GB 80GB
Memory Type HBM2e HBM2e
Memory Bus 5120bit 5120bit
Bandwidth 1555GB/s 2039GB/s
Render Config
SM Count 108 114
Shading Units 6912 14592
TMUs 432 456
ROPs 160 24
Tensor Cores 432 456
L1 Cache 192 KB (per SM) 256 KB (per SM)
L2 Cache 40 MB 50 MB
Theoretical Performance
Pixel Rate 225.6 GPixel/s 42.12 GPixel/s
Texture Rate 609.1 GTexel/s 800.3 GTexel/s
FP16 (half) 77.97 TFLOPS 204.9 TFLOPS
FP32 (float) 19.49 TFLOPS 51.22 TFLOPS
FP64 (double) 9.746 TFLOPS 25.61 TFLOPS
Graphics Processor
GPU Name GA100 GH100
Architecture Ampere Hopper
Foundry TSMC TSMC
Process Size 7 nm 4 nm
Transistors 54.2 billion 80 billion
Die Size 826 mm² 814 mm²
Board Design
TDP 250W 350W
Suggested PSU 600 W 750 W
Outputs No outputs No outputs
Power Connectors 8-pin EPS 1x 16-pin
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 9.0
Shader Model N/A N/A