Radeon RX 6600 XT and Steam Deck GPU - video card comparison

Radeon RX 6600 XT

Steam Deck GPU

Architecture

Navi / RDNA2 (2020−2022)

RDNA 2.0 (2020−2022)

GPU code name

Navi 23

Van Gogh

Market segment

Desktop

Release date

July 2021

February 2022

Interface

PCIe 4.0 x8

Supplementary power connectors

1x 8-pin

None

Boost clock speed

2589 MHz

1600 MHz

Core clock speed

1968 MHz

Manufacturing process technology

7 nm

Number of transistors

11,060 million

2,400 million

Pipelines / CUDA cores

2048

512

Power consumption (TDP)

160 (TGP) Watt

15 Watt

Texture fill rate

331.4

51.20

Memory type

GDDR6

LPDDR5

Maximum RAM amount

8 GB

16 GB

Memory bus width

128 Bit

Memory clock speed

16000 MHz

5.5 GB/s

Memory bandwidth

256.0 GB/s

88 GB/s

Shared memory

Display Connectors

1x HDMI, 2x DisplayPort

1x USB Type-C

HDMI

DirectX

12.0 Ultimate (12_2)

12 (12_1)

OpenCL

2.1

2.0

OpenGL

4.6

Shader Model

6.5

Vulkan

1.2