H100 PCIe and A100X - video card comparison

H100 PCIe

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

1650 MHz

1440 MHz

Manufacturing process technology

4 nm

7 nm

Number of transistors

80,000 million

54,200 million

Pipelines / CUDA cores

7296

6912

Power consumption (TDP)

350 Watt

300 Watt

Texture fill rate

752.4

622.1

Memory type

HBM2e

HBM2e

Maximum RAM amount

80 GB

80 GB

Memory bus width

5120 Bit

5120 Bit

Memory clock speed

2 GB/s

3.2 GB/s

Memory bandwidth

1,280 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