Radeon R9 390X2 and RTX A400 - video card comparison

Radeon R9 390X2

RTX A400

Architecture

GCN (2011−2017)

Ampere (2020−2022)

GPU code name

GA107

Market segment

Desktop

Release date

April 2024

Interface

PCIe 4.0 x8

Supplementary power connectors

None

Boost clock speed

1000 MHz

1762 MHz

Manufacturing process technology

8 nm

Number of transistors

8,700 million

Pipelines / CUDA cores

768

Power consumption (TDP)

50 Watt

Texture fill rate

42.29

Memory type

512

GDDR6

Maximum RAM amount

4 GB

Memory bus width

5400 Bit

64 Bit

Memory clock speed

12 GB/s

Memory bandwidth

96 GB/s

Display Connectors

4x mini-DisplayPort 1.4a

DirectX

GDDR5

12 Ultimate (12_2)

CUDA

8.6

OpenCL

3.0

OpenGL

4.6

Shader Model

6.7

Vulkan

1.3