Radeon R9 390X2 and Steam Deck GPU - video card comparison

Radeon R9 390X2

Steam Deck GPU

Architecture

GCN (2011−2017)

RDNA 2.0 (2020−2022)

GPU code name

-

Van Gogh

Market segment

Desktop

Desktop

Release date

-

February 2022

Supplementary power connectors

-

None

Boost clock speed

1000 MHz

1600 MHz

Manufacturing process technology

-

7 nm

Number of transistors

-

2,400 million

Pipelines / CUDA cores

-

512

Power consumption (TDP)

-

15 Watt

Texture fill rate

-

51.20

Memory type

512

LPDDR5

Maximum RAM amount

-

16 GB

Memory bus width

5400 Bit

128 Bit

Memory clock speed

-

5.5 GB/s

Memory bandwidth

-

88 GB/s

Display Connectors

-

1x USB Type-C

DirectX

GDDR5

12 (12_1)

OpenCL

-

2.0

OpenGL

-

4.6

Shader Model

-

6.5

Vulkan

-

1.2