
A100 PCIe and H100 CNX - video card comparison
A100 PCIe
H100 CNX
Architecture
Ampere (2020−2022)
Hopper (2022)
GPU code name
GA100
GH100
Market segment
Desktop
Desktop
Release date
June 2020
March 2023
Interface
PCIe 4.0 x16
PCIe 5.0 x16
Supplementary power connectors
1x 8-pin
8-pin EPS
Boost clock speed
-
1845 MHz
Core clock speed
1410 MHz
-
Manufacturing process technology
7 nm
4 nm
Number of transistors
54,200 million
80,000 million
Pipelines / CUDA cores
6912
14592
Power consumption (TDP)
250 Watt
350 Watt
Texture fill rate
609.1
841.3
Memory type
HBM2e
HBM2e
Maximum RAM amount
40 GB
80 GB
Memory bus width
5120 Bit
5120 Bit
Memory clock speed
2.4 GB/s
3.2 GB/s
Memory bandwidth
1,555 GB/s
2,039 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 Ultimate (12_2)
N/A
CUDA
8.0
9.0
OpenCL
2.0
3.0
OpenGL
4.6
N/A
Shader Model
6.5
N/A
Vulkan
1.2
N/A