Radeon HD 6670 and GF108 - video card comparison

Radeon HD 6670

GF108

Architecture

TeraScale 2 (2009−2015)

Fermi (2010−2014)

GPU code name

Turks

GF108

Market segment

Desktop

Desktop

Release date

April 2011

-

Bus support

PCIe 2.0 x16

-

Interface

PCIe 2.0 x16

-

Supplementary power connectors

None

-

Boost clock speed

800 MHz

-

Floating-point performance

768.0 gflops

-

Manufacturing process technology

40 nm

40 nm

Number of transistors

716 million

585 million

Pipelines / CUDA cores

480

96

Power consumption (TDP)

66 Watt

-

Texture fill rate

19.20

-

Memory type

GDDR5

-

Maximum RAM amount

1 GB

-

Memory bus width

128 Bit

-

Memory clock speed

1050 MHz

-

Memory bandwidth

64 GB/s

-

Display Connectors

1x DVI, 1x HDMI, 1x VGA

-

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 11

12 (11_0)

CUDA

-

2.1

Mantle

-

-

OpenCL

1.2

1.1

OpenGL

4.4

4.6

Shader Model

5.0

5.1

Vulkan

-

N/A

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

PureVideo HD

-

VP4

TrueAudio

-

-

ZeroCore

-

-