Radeon HD 7850 and Steam Deck GPU - video card comparison

Radeon HD 7850

Steam Deck GPU

Architecture

GCN 1.0 (2012−2020)

RDNA 2.0 (2020−2022)

GPU code name

Pitcairn

Van Gogh

Market segment

Desktop

Desktop

Release date

March 2012

February 2022

Bus support

PCIe 2.1 x16

-

Interface

PCIe 3.0 x16

-

Supplementary power connectors

1x 6-pin

None

Boost clock speed

1000 MHz

1600 MHz

Floating-point performance

1,761 gflops

-

Manufacturing process technology

28 nm

7 nm

Number of transistors

2,800 million

2,400 million

Pipelines / CUDA cores

1024

512

Power consumption (TDP)

130 Watt

15 Watt

Texture fill rate

55.04

51.20

Memory type

GDDR5

LPDDR5

Maximum RAM amount

2 GB

16 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

1200 MHz

5.5 GB/s

Memory bandwidth

153.6 GB/s

88 GB/s

Display Connectors

1x DVI, 1x HDMI, 2x mini-DisplayPort

1x USB Type-C

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

12

12 (12_1)

Mantle

-

-

OpenCL

1.2

2.0

OpenGL

4.6

4.6

Shader Model

5.1

6.5

Vulkan

+

1.2

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

FreeSync

1

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-