Radeon RX 6400 and GeForce RTX 4090 Ti - video card comparison

Radeon RX 6400

GeForce RTX 4090 Ti

Architecture

RDNA 2.0 (2020−2022)

Ada Lovelace

GPU code name

Navi 24

AD102

Market segment

Desktop

Release date

January 2022

2023

Interface

PCIe 4.0 x4

PCIe 4.0 x16

Supplementary power connectors

None

2x 16-pin

Boost clock speed

2321 MHz

2565 MHz

Manufacturing process technology

6 nm

5 nm

Number of transistors

5,400 million

76,300 million

Pipelines / CUDA cores

768

18176

Power consumption (TDP)

53 Watt

600 Watt

Texture fill rate

111.4

1,457

Memory type

GDDR6

GDDR6X

Maximum RAM amount

4 GB

24 GB

Memory bus width

64 Bit

384 Bit

Memory clock speed

16 GB/s

24 GB/s

Memory bandwidth

128.0 GB/s

1,152 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

8.9

OpenCL

2.2

3.0

OpenGL

4.6

Shader Model

6.6

6.7

Vulkan

1.3