A40 PCIe and RTX A400 - video card comparison

A40 PCIe

RTX A400

Architecture

Ampere (2020−2022)

Ampere (2020−2022)

GPU code name

GA102

GA107

Market segment

Desktop

Desktop

Release date

October 2020

April 2024

Interface

PCIe 4.0 x16

PCIe 4.0 x8

Supplementary power connectors

8-pin EPS

None

Boost clock speed

1755 MHz

1762 MHz

Manufacturing process technology

8 nm

8 nm

Number of transistors

28,300 million

8,700 million

Pipelines / CUDA cores

10752

768

Power consumption (TDP)

300 Watt

50 Watt

Texture fill rate

589.7

42.29

Memory type

GDDR6

GDDR6

Maximum RAM amount

48 GB

4 GB

Memory bus width

384 Bit

64 Bit

Memory clock speed

14.5 GB/s

12 GB/s

Memory bandwidth

695.8 GB/s

96 GB/s

Display Connectors

3x DisplayPort

4x mini-DisplayPort 1.4a

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

8.6

8.6

OpenCL

2.0

3.0

OpenGL

4.6

4.6

Shader Model

6.5

6.7

Vulkan

1.2

1.3