Radeon 620 and GeForce RTX 4080 Mobile - video card comparison

Radeon 620

GeForce RTX 4080 Mobile

Architecture

GCN 1.0 (2012−2020)

Ada Lovelace

GPU code name

Polaris 24

GN21-X9

Market segment

Laptop

Release date

August 2019

January 2023

Interface

PCIe 3.0 x8

PCIe 4.0 x16

Supplementary power connectors

None

Boost clock speed

1024 MHz

2280 MHz

Core clock speed

1860 MHz

Manufacturing process technology

28 nm

5 nm

Number of transistors

1,550 million

35,800 million

Pipelines / CUDA cores

384

7424

Power consumption (TDP)

50 Watt

150 Watt (60 - 150 Watt TGP)

Texture fill rate

24.58

386.3

Memory type

DDR3, GDDR5

GDDR6X

Maximum RAM amount

4 GB

12 GB

Memory bus width

64 Bit

192 Bit

Memory clock speed

2250 MHz

20000 MHz

Memory bandwidth

14.4 GB/s

432.0 GB/s

Shared memory

Display Connectors

No outputs

Portable Device Dependent

DirectX

12 (12_0)

12 Ultimate (12_2)

CUDA

8.9

OpenCL

2.0

3.0

OpenGL

4.6

Shader Model

6.3

6.7

Vulkan

1.2.131

1.3