RTX A4000 and Radeon Pro V620 - video card comparison

RTX A4000

Radeon Pro V620

Architecture

Ampere (2020−2022)

RDNA 2.0 (2020−2022)

GPU code name

GA104

Navi 21

Market segment

Workstation

Workstation

Release date

April 2021

November 2021

Interface

PCIe 4.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 6-pin

2x 8-pin

Boost clock speed

1560 MHz

2200 MHz

Manufacturing process technology

8 nm

7 nm

Number of transistors

17,400 million

26,800 million

Pipelines / CUDA cores

6144

4608

Power consumption (TDP)

140 Watt

300 Watt

Texture fill rate

299.5

633.6

Memory type

GDDR6

GDDR6

Maximum RAM amount

16 GB

32 GB

Memory bus width

256 Bit

256 Bit

Memory clock speed

14 GB/s

16 GB/s

Memory bandwidth

448.0 GB/s

512.0 GB/s

Display Connectors

4x DisplayPort 1.4a

No outputs

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

8.6

-

OpenCL

3.0

2.1

OpenGL

4.6

4.6

Shader Model

6.7

6.5

Vulkan

1.3

1.2