RTX A40 and Radeon RX 7900 XT - video card comparison

RTX A40

Radeon RX 7900 XT

Architecture

Ampere (2020−2022)

RDNA 3

GPU code name

GA102

Navi 31 XT

Market segment

Desktop

Desktop

Release date

October 2020

November 2022

Interface

PCIe 4.0 x16

PCIe 4.0 x16

Supplementary power connectors

8-pin EPS

2x 8-pin

Boost clock speed

1755 MHz

2000 MHz

Manufacturing process technology

8 nm

5 nm

Number of transistors

28,300 million

57,700 million

Pipelines / CUDA cores

10752

5376

Power consumption (TDP)

300 Watt

315 Watt

Texture fill rate

589.7

804.4

Memory type

GDDR6

GDDR6

Maximum RAM amount

48 GB

20 GB

Memory bus width

384 Bit

320 Bit

Memory clock speed

14.5 GB/s

20000 MHz

Memory bandwidth

695.8 GB/s

800.0 GB/s

Shared memory

-

-

Display Connectors

3x DisplayPort

1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C

HDMI

-

+

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

8.6

-

OpenCL

2.0

2.1

OpenGL

4.6

4.6

Shader Model

6.5

6.7

Vulkan

1.2

1.3