T400 Mobile and Radeon Steam Deck 8CU - video card comparison

T400 Mobile

Radeon Steam Deck 8CU

Architecture

Turing (2018−2021)

RDNA 2 (2020−2022)

GPU code name

TU117

RDNA 2 Sephiroth

Market segment

Laptop

Laptop

Release date

-

November 2023

Interface

PCIe 3.0 x16

-

Boost clock speed

1425 MHz

1900 MHz

Manufacturing process technology

12 nm

6 nm

Number of transistors

4,700 million

-

Pipelines / CUDA cores

896

512

Power consumption (TDP)

18 Watt

-

Texture fill rate

79.80

-

Memory type

GDDR6

-

Maximum RAM amount

2 GB

-

Memory bus width

64 Bit

-

Memory clock speed

10 GB/s

-

Memory bandwidth

80 GB/s

-

Shared memory

-

-

Display Connectors

No outputs

-

DirectX

12 (12_1)

12_1

CUDA

7.5

-

OpenCL

3.0

-

OpenGL

4.6

-

Shader Model

6.6

-

Vulkan

1.2

-