RTX A4000 and RTX A400 - video card comparison

RTX A4000

RTX A400

Architecture

Ampere (2020−2022)

Ampere (2020−2022)

GPU code name

GA104

GA107

Market segment

Workstation

Desktop

Release date

April 2021

April 2024

Interface

PCIe 4.0 x16

PCIe 4.0 x8

Supplementary power connectors

1x 6-pin

None

Boost clock speed

1560 MHz

1762 MHz

Manufacturing process technology

8 nm

8 nm

Number of transistors

17,400 million

8,700 million

Pipelines / CUDA cores

6144

768

Power consumption (TDP)

140 Watt

50 Watt

Texture fill rate

299.5

42.29

Memory type

GDDR6

GDDR6

Maximum RAM amount

16 GB

4 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

14 GB/s

12 GB/s

Memory bandwidth

448.0 GB/s

96 GB/s

Display Connectors

4x DisplayPort 1.4a

4x mini-DisplayPort 1.4a

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

8.6

8.6

OpenCL

3.0

3.0

OpenGL

4.6

4.6

Shader Model

6.7

6.7

Vulkan

1.3

1.3