Radeon RX 6900 and A2 - video card comparison

Radeon RX 6900

A2

Architecture

RDNA 2.0 (2020−2022)

Ampere (2020−2022)

GPU code name

Navi 21

GA107

Market segment

Desktop

Desktop

Release date

October 2020

November 2021

Interface

PCIe 4.0 x16

PCIe 4.0 x8

Supplementary power connectors

2x 8-pin

None

Boost clock speed

2105 MHz

1770 MHz

Manufacturing process technology

7 nm

8 nm

Number of transistors

23,000 million

-

Pipelines / CUDA cores

4608

1280

Power consumption (TDP)

255 Watt

60 Watt

Texture fill rate

606.2

70.80

Memory type

GDDR6

GDDR6

Maximum RAM amount

16 GB

16 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

16 GB/s

12.5 GB/s

Memory bandwidth

512.0 GB/s

200.1 GB/s

Display Connectors

1x HDMI, 2x DisplayPort, 1x USB Type-C

No outputs

HDMI

+

-

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

-

8.6

OpenCL

2.0

3.0

OpenGL

4.6

4.6

Shader Model

6.5

6.6

Vulkan

1.2

1.2