A2 and Radeon RX 6400 - video card comparison

A2

Radeon RX 6400

Architecture

Ampere (2020−2022)

RDNA 2.0 (2020−2022)

GPU code name

GA107

Navi 24

Market segment

Desktop

Desktop

Release date

November 2021

January 2022

Interface

PCIe 4.0 x8

PCIe 4.0 x4

Supplementary power connectors

None

None

Boost clock speed

1770 MHz

2321 MHz

Manufacturing process technology

8 nm

6 nm

Number of transistors

-

5,400 million

Pipelines / CUDA cores

1280

768

Power consumption (TDP)

60 Watt

53 Watt

Texture fill rate

70.80

111.4

Memory type

GDDR6

GDDR6

Maximum RAM amount

16 GB

4 GB

Memory bus width

128 Bit

64 Bit

Memory clock speed

12.5 GB/s

16 GB/s

Memory bandwidth

200.1 GB/s

128.0 GB/s

Display Connectors

No outputs

1x HDMI 2.1, 1x DisplayPort 1.4a

HDMI

-

+

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

8.6

-

OpenCL

3.0

2.2

OpenGL

4.6

4.6

Shader Model

6.6

6.6

Vulkan

1.2

1.3