Radeon HD 6970 and Radeon R4 Graphics - video card comparison

Radeon HD 6970

Radeon R4 Graphics

Architecture

Terascale 2 (2009−2015)

GCN 2.0 (2013−2017)

GPU code name

Cayman

Beema

Market segment

Desktop

Desktop

Release date

December 2010

June 2014

Bus support

PCIe 2.0 x16

-

Interface

PCIe 2.0 x16

IGP

Supplementary power connectors

1x 6-pin + 1x 8-pin

-

Boost clock speed

880 MHz

-

Core clock speed

-

800 MHz

Floating-point performance

2,703.4 gflops

204.8 gflops

Manufacturing process technology

40 nm

28 nm

Number of transistors

2,640 million

930 million

Pipelines / CUDA cores

1536

128

Power consumption (TDP)

550 Watt

15 Watt

Texture fill rate

84.48

6.400

Memory type

DDR5

System Shared

Maximum RAM amount

2 GB

System Shared

Memory bus width

256 Bit

System Shared

Memory clock speed

1375 MHz

System Shared

Display Connectors

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

No outputs

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 11

12 (12_0)

Mantle

-

-

OpenCL

1.2

2.0

OpenGL

4.4

4.6

Shader Model

5.0

6.3

Vulkan

-

1.2.131

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-