Radeon RX 6400 and GeForce RTX 5090 - video card comparison

Radeon RX 6400

GeForce RTX 5090

Architecture

RDNA 2.0 (2020−2022)

Blackwell 2.0

GPU code name

Navi 24

GB202

Market segment

Desktop

Release date

January 2022

2025 (recently)

Interface

PCIe 4.0 x4

PCIe 5.0 x16

Supplementary power connectors

None

1x 16-pin

Boost clock speed

2321 MHz

2520 MHz

Manufacturing process technology

6 nm

0 nm

Number of transistors

5,400 million

Pipelines / CUDA cores

768

20480

Power consumption (TDP)

53 Watt

500 Watt

Texture fill rate

111.4

1,613

Memory type

GDDR6

GDDR7

Maximum RAM amount

4 GB

28 GB

Memory bus width

64 Bit

448 Bit

Memory clock speed

16 GB/s

5 GB/s

Memory bandwidth

128.0 GB/s

280.0 GB/s

Display Connectors

1x HDMI 2.1, 1x DisplayPort 1.4a

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

DirectX

12 Ultimate (12_2)

CUDA

9.1

OpenCL

2.2

3.0

OpenGL

4.6

Shader Model

6.6

6.7

Vulkan

1.3