Radeon HD 7850 and RS400 - video card comparison

Radeon HD 7850

RS400

Architecture

GCN 1.0 (2012−2020)

R300

GPU code name

Pitcairn

RS400

Market segment

Desktop

Desktop

Release date

March 2012

-

Bus support

PCIe 2.1 x16

-

Interface

PCIe 3.0 x16

-

Supplementary power connectors

1x 6-pin

-

Boost clock speed

1000 MHz

-

Floating-point performance

1,761 gflops

-

Manufacturing process technology

28 nm

130 nm

Number of transistors

2,800 million

-

Pipelines / CUDA cores

1024

-

Power consumption (TDP)

130 Watt

-

Texture fill rate

55.04

-

Memory type

GDDR5

-

Maximum RAM amount

2 GB

-

Memory bus width

256 Bit

-

Memory clock speed

1200 MHz

-

Memory bandwidth

153.6 GB/s

-

Display Connectors

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

-

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

12

9.0 (9_0)

Mantle

-

-

OpenCL

1.2

N/A

OpenGL

4.6

2.0

Shader Model

5.1

-

Vulkan

+

N/A

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

FreeSync

1

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-