GeForce RTX 4090 Mobile and Radeon RX 7990 XTX - video card comparison

GeForce RTX 4090 Mobile

Radeon RX 7990 XTX

Architecture

Ada Lovelace

RDNA 3.0 (2022)

GPU code name

GN21-X11

Navi 31

Market segment

Laptop

Desktop

Release date

January 2023

2023

Interface

PCIe 4.0 x16

Supplementary power connectors

3x 8-pin

Boost clock speed

2040 MHz

3599 MHz

Manufacturing process technology

5 nm

Number of transistors

45,900 million

57,700 million

Pipelines / CUDA cores

9728

6144

Power consumption (TDP)

150 Watt (80 - 150 Watt TGP)

405 Watt

Texture fill rate

515.3

1,382

Memory type

GDDR6

Maximum RAM amount

16 GB

24 GB

Memory bus width

256 Bit

384 Bit

Memory clock speed

20000 MHz

24 GB/s

Memory bandwidth

576.0 GB/s

1,152 GB/s

Shared memory

Display Connectors

Portable Device Dependent

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

HDMI

DirectX

12 Ultimate (12_2)

CUDA

8.9

OpenCL

3.0

2.2

OpenGL

4.6

Shader Model

6.7

Vulkan

1.3