Radeon RX 5900 and GeForce RTX 4080 Mobile - video card comparison

Radeon RX 5900

GeForce RTX 4080 Mobile

Architecture

RDNA 2.0 (2020−2022)

Ada Lovelace

GPU code name

Navi 21

GN21-X9

Market segment

Desktop

Laptop

Release date

January 2023

Interface

PCIe 4.0 x16

Supplementary power connectors

2x 8-pin

Boost clock speed

1635 MHz

2280 MHz

Core clock speed

1860 MHz

Manufacturing process technology

7 nm

5 nm

Number of transistors

21,000 million

35,800 million

Pipelines / CUDA cores

4096

7424

Power consumption (TDP)

300 Watt

150 Watt (60 - 150 Watt TGP)

Texture fill rate

418.6

386.3

Memory type

GDDR6

GDDR6X

Maximum RAM amount

12 GB

Memory bus width

384 Bit

192 Bit

Memory clock speed

14000 MHz

20000 MHz

Memory bandwidth

672.0 GB/s

432.0 GB/s

Shared memory

Display Connectors

1x HDMI, 3x DisplayPort

Portable Device Dependent

HDMI

DirectX

12 Ultimate (12_1)

12 Ultimate (12_2)

CUDA

8.9

OpenCL

3.0

OpenGL

4.6

Shader Model

6.7

Vulkan

1.3