Radeon HD 6970 and GK106 - video card comparison

Radeon HD 6970

GK106

Architecture

Terascale 2 (2009−2015)

Kepler (2012−2018)

GPU code name

Cayman

GK106

Market segment

Desktop

Desktop

Release date

December 2010

-

Bus support

PCIe 2.0 x16

-

Interface

PCIe 2.0 x16

-

Supplementary power connectors

1x 6-pin + 1x 8-pin

-

Boost clock speed

880 MHz

-

Floating-point performance

2,703.4 gflops

-

Manufacturing process technology

40 nm

28 nm

Number of transistors

2,640 million

2,540 million

Pipelines / CUDA cores

1536

960

Power consumption (TDP)

550 Watt

-

Texture fill rate

84.48

-

Memory type

DDR5

-

Maximum RAM amount

2 GB

-

Memory bus width

256 Bit

-

Memory clock speed

1375 MHz

-

Display Connectors

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

-

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 11

12 (11_0)

CUDA

-

3.0

Mantle

-

-

OpenCL

1.2

3.0

OpenGL

4.4

4.6

Shader Model

5.0

6.5 (5.1)

Vulkan

-

1.2.175

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

NVENC

-

1st Gen

PowerTune

-

-

PureVideo HD

-

VP5

TrueAudio

-

-

ZeroCore

-

-