A100 SXM4 40 GB and RTX A400 - video card comparison

A100 SXM4 40 GB

RTX A400

Architecture

Ampere (2020−2022)

GPU code name

GA100

GA107

Market segment

Desktop

Release date

May 2020

April 2024

Interface

PCIe 4.0 x16

PCIe 4.0 x8

Supplementary power connectors

None

Boost clock speed

1410 MHz

1762 MHz

Manufacturing process technology

7 nm

8 nm

Number of transistors

54,200 million

8,700 million

Pipelines / CUDA cores

6912

768

Power consumption (TDP)

400 Watt

50 Watt

Texture fill rate

609.1

42.29

Memory type

HBM2e

GDDR6

Maximum RAM amount

40 GB

4 GB

Memory bus width

5120 Bit

64 Bit

Memory clock speed

2.4 GB/s

12 GB/s

Memory bandwidth

1,555 GB/s

96 GB/s

Display Connectors

No outputs

4x mini-DisplayPort 1.4a

DirectX

N/A

12 Ultimate (12_2)

CUDA

8.0

8.6

OpenCL

2.0

3.0

OpenGL

N/A

4.6

Shader Model

N/A

6.7

Vulkan

N/A

1.3