Radeon RX 590 GME and Steam Deck GPU - video card comparison

Radeon RX 590 GME

Steam Deck GPU

Architecture

GCN 4.0 (2016−2020)

RDNA 2.0 (2020−2022)

GPU code name

Polaris 20

Van Gogh

Market segment

Desktop

Release date

March 2020

February 2022

Interface

PCIe 3.0 x16

Supplementary power connectors

1x 8-pin

None

Boost clock speed

1420 MHz

1600 MHz

Manufacturing process technology

14 nm

7 nm

Number of transistors

5,700 million

2,400 million

Pipelines / CUDA cores

2304

512

Power consumption (TDP)

175 Watt

15 Watt

Texture fill rate

204.5

51.20

Memory type

GDDR5

LPDDR5

Maximum RAM amount

8 GB

16 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

8 GB/s

5.5 GB/s

Memory bandwidth

256.0 GB/s

88 GB/s

Display Connectors

1x HDMI 2.0b, 3x DisplayPort 1.4a

1x USB Type-C

HDMI

DirectX

12 (12_0)

12 (12_1)

OpenCL

2.1

2.0

OpenGL

4.6

Shader Model

6.7

6.5

Vulkan

1.3

1.2