Radeon RX Vega 56 and GeForce RTX 4090 Mobile - video card comparison

Radeon RX Vega 56

GeForce RTX 4090 Mobile

Architecture

Vega (2017−2021)

Ada Lovelace

GPU code name

Vega

GN21-X11

Market segment

Desktop

Laptop

Release date

August 2017

January 2023

Interface

PCIe 3.0 x16

PCIe 4.0 x16

Supplementary power connectors

2x 8-pin

Boost clock speed

1474 MHz

2040 MHz

Core clock speed

1138 MHz

Floating-point performance

10,566 gflops

Manufacturing process technology

14 nm

5 nm

Number of transistors

12,500 million

45,900 million

Pipelines / CUDA cores

3584

9728

Power consumption (TDP)

210 Watt

150 Watt (80 - 150 Watt TGP)

Texture fill rate

329.5

515.3

Memory type

HBM2

GDDR6

Maximum RAM amount

8 GB

16 GB

Memory bus width

409.6 Bit

256 Bit

Memory clock speed

800 MHz

20000 MHz

Memory bandwidth

409.6 GB/s

576.0 GB/s

Shared memory

Display Connectors

1x HDMI, 3x DisplayPort

Portable Device Dependent

HDMI

DirectX

12 (12_1)

12 Ultimate (12_2)

CUDA

8.9

OpenCL

2.0

3.0

OpenGL

4.6

Shader Model

6.4

6.7

Vulkan

1.1.125

1.3