Steam Deck GPU and GeForce RTX 4070 Mobile - video card comparison

Steam Deck GPU

GeForce RTX 4070 Mobile

Architecture

RDNA 2.0 (2020−2022)

Ada Lovelace

GPU code name

Van Gogh

GN21-X6

Market segment

Desktop

Laptop

Release date

February 2022

January 2023

Interface

PCIe 4.0 x16

Supplementary power connectors

None

Boost clock speed

1600 MHz

2175 MHz

Core clock speed

1605 MHz

Manufacturing process technology

7 nm

5 nm

Number of transistors

2,400 million

Pipelines / CUDA cores

512

4608

Power consumption (TDP)

15 Watt

115 Watt (35 - 115 Watt TGP)

Texture fill rate

51.20

244.1

Memory type

LPDDR5

GDDR6

Maximum RAM amount

16 GB

8 GB

Memory bus width

128 Bit

Memory clock speed

5.5 GB/s

16000 MHz

Memory bandwidth

88 GB/s

256.0 GB/s

Shared memory

Display Connectors

1x USB Type-C

Portable Device Dependent

DirectX

12 (12_1)

12 Ultimate (12_2)

CUDA

8.9

OpenCL

2.0

3.0

OpenGL

4.6

Shader Model

6.5

6.7

Vulkan

1.2

1.3