Lexa and Steam Deck GPU - video card comparison

Lexa

Steam Deck GPU

Architecture

GCN 4.0 (2016−2020)

RDNA 2.0 (2020−2022)

GPU code name

Lexa

Van Gogh

Market segment

Desktop

Desktop

Release date

-

February 2022

Supplementary power connectors

-

None

Boost clock speed

-

1600 MHz

Manufacturing process technology

14 nm

7 nm

Number of transistors

2,200 million

2,400 million

Pipelines / CUDA cores

640

512

Power consumption (TDP)

-

15 Watt

Texture fill rate

-

51.20

Memory type

-

LPDDR5

Maximum RAM amount

-

16 GB

Memory bus width

-

128 Bit

Memory clock speed

-

5.5 GB/s

Memory bandwidth

-

88 GB/s

Display Connectors

-

1x USB Type-C

DirectX

12 (12_0)

12 (12_1)

OpenCL

2.1

2.0

OpenGL

4.6

4.6

Shader Model

6.7

6.5

Vulkan

1.3

1.2