Radeon RX 7990 XTX and GeForce RTX 4080 Mobile - video card comparison

Radeon RX 7990 XTX

GeForce RTX 4080 Mobile

Architecture

RDNA 3.0 (2022)

Ada Lovelace

GPU code name

Navi 31

GN21-X9

Market segment

Desktop

Laptop

Release date

2023

January 2023

Interface

PCIe 4.0 x16

Supplementary power connectors

3x 8-pin

Boost clock speed

3599 MHz

2280 MHz

Core clock speed

1860 MHz

Manufacturing process technology

5 nm

Number of transistors

57,700 million

35,800 million

Pipelines / CUDA cores

6144

7424

Power consumption (TDP)

405 Watt

150 Watt (60 - 150 Watt TGP)

Texture fill rate

1,382

386.3

Memory type

GDDR6

GDDR6X

Maximum RAM amount

24 GB

12 GB

Memory bus width

384 Bit

192 Bit

Memory clock speed

24 GB/s

20000 MHz

Memory bandwidth

1,152 GB/s

432.0 GB/s

Shared memory

Display Connectors

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

Portable Device Dependent

HDMI

DirectX

12 Ultimate (12_2)

CUDA

8.9

OpenCL

2.2

3.0

OpenGL

4.6

Shader Model

6.7

Vulkan

1.3