NVIDIA A100 SXM4 80 GB vs NVIDIA H100 SXM5
GPU · Specs Compare
Graphics Card
Release Date
Nov 2020
Mar 2022
Generation
Tesla Ampere
Tesla Hopper
Type
AI GPU
AI GPU
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1275 MHz
1590 MHz
Boost Clock
1410 MHz
1980 MHz
Memory Clock
1593 MHz
1313 MHz
Memory
Memory Size
80GB
80GB
Memory Type
HBM2e
HBM3
Memory Bus
5120bit
5120bit
Bandwidth
2039GB/s
3350GB/s
Render Config
SM Count
108
132
Shading Units
6912
16896
TMUs
432
528
ROPs
160
24
Tensor Cores
432
528
L1 Cache
192 KB (per SM)
256 KB (per SM)
L2 Cache
40 MB
50 MB
Theoretical Performance
Pixel Rate
225.6 GPixel/s
47.52 GPixel/s
Texture Rate
609.1 GTexel/s
1045 GTexel/s
FP16 (half)
77.97 TFLOPS
267.6 TFLOPS
FP32 (float)
19.49 TFLOPS
66.91 TFLOPS
FP64 (double)
9.746 TFLOPS
33.45 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
400W
700W
Suggested PSU
800 W
1100 W
Outputs
No outputs
No outputs
Power Connectors
None
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
8.0
9.0
Shader Model
N/A
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.