Radeon HD 6950 and Radeon R7 Graphics - video card comparison

Radeon HD 6950

Radeon R7 Graphics

Architecture

TeraScale 3 (2010−2013)

GCN 2.0 (2013−2017)

GPU code name

Cayman

Spectre

Market segment

Desktop

Desktop

Release date

December 2010

January 2014

Bus support

PCIe 2.0 x16

-

Interface

PCIe 2.0 x16

IGP

Supplementary power connectors

2x 6-pin

-

Boost clock speed

800 MHz

980 MHz

Core clock speed

-

686 MHz

Floating-point performance

2,252.8 gflops

526.8 gflops

Manufacturing process technology

40 nm

28 nm

Number of transistors

2,640 million

2,410 million

Pipelines / CUDA cores

1408

512

Power consumption (TDP)

500 Watt

15 Watt

Texture fill rate

70.40

31.36

Memory type

GDDR5

System Shared

Maximum RAM amount

2 GB

System Shared

Memory bus width

256 Bit

System Shared

Memory clock speed

1250 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

6.0

Vulkan

-

1.2.131

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-