
H100 SXM5 and A100X - video card comparison
H100 SXM5
A100X
Architecture
Hopper (2022)
Ampere (2020−2022)
GPU code name
GH100
GA100
Market segment
Desktop
Desktop
Release date
March 2022
June 2021
Interface
PCIe 5.0 x16
PCIe 4.0 x8
Supplementary power connectors
8-pin EPS
1x 16-pin
Boost clock speed
1780 MHz
1440 MHz
Manufacturing process technology
4 nm
7 nm
Number of transistors
80,000 million
54,200 million
Pipelines / CUDA cores
8448
6912
Power consumption (TDP)
700 Watt
300 Watt
Texture fill rate
939.8
622.1
Memory type
HBM3
HBM2e
Maximum RAM amount
80 GB
80 GB
Memory bus width
5120 Bit
5120 Bit
Memory clock speed
3 GB/s
3.2 GB/s
Memory bandwidth
1,920 GB/s
2,039 GB/s
Display Connectors
No outputs
No outputs
DirectX
N/A
N/A
CUDA
9.0
8.0
OpenCL
3.0
3.0
OpenGL
N/A
N/A
Shader Model
N/A
N/A
Vulkan
N/A
N/A