Radeon RX 6900 and A100X - video card comparison

Radeon RX 6900

A100X

Architecture

RDNA 2.0 (2020−2022)

Ampere (2020−2022)

GPU code name

Navi 21

GA100

Market segment

Desktop

Desktop

Release date

October 2020

June 2021

Interface

PCIe 4.0 x16

PCIe 4.0 x8

Supplementary power connectors

2x 8-pin

1x 16-pin

Boost clock speed

2105 MHz

1440 MHz

Manufacturing process technology

7 nm

7 nm

Number of transistors

23,000 million

54,200 million

Pipelines / CUDA cores

4608

6912

Power consumption (TDP)

255 Watt

300 Watt

Texture fill rate

606.2

622.1

Memory type

GDDR6

HBM2e

Maximum RAM amount

16 GB

80 GB

Memory bus width

256 Bit

5120 Bit

Memory clock speed

16 GB/s

3.2 GB/s

Memory bandwidth

512.0 GB/s

2,039 GB/s

Display Connectors

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

No outputs

HDMI

+

-

DirectX

12 Ultimate (12_2)

N/A

CUDA

-

8.0

OpenCL

2.0

3.0

OpenGL

4.6

N/A

Shader Model

6.5

N/A

Vulkan

1.2

N/A