Radeon HD 6670 and GeForce 8800 GTS 320 - video card comparison

Radeon HD 6670

GeForce 8800 GTS 320

Architecture

TeraScale 2 (2009−2015)

Tesla (2006−2010)

GPU code name

Turks

G80

Market segment

Desktop

Desktop

Release date

April 2011

February 2007

Bus support

PCIe 2.0 x16

-

Interface

PCIe 2.0 x16

PCIe 1.0 x16

Supplementary power connectors

None

1x 6-pin

Boost clock speed

800 MHz

-

Core clock speed

-

513 MHz

Floating-point performance

768.0 gflops

228.1 gflops

Manufacturing process technology

40 nm

90 nm

Number of transistors

716 million

681 million

Pipelines / CUDA cores

480

96

Power consumption (TDP)

66 Watt

143 Watt

Texture fill rate

19.20

24.62

Memory type

GDDR5

GDDR3

Maximum RAM amount

1 GB

320 MB

Memory bus width

128 Bit

320 Bit

Memory clock speed

1050 MHz

1584 MHz

Memory bandwidth

64 GB/s

63.36 GB/s

Display Connectors

1x DVI, 1x HDMI, 1x VGA

2x DVI, 1x S-Video

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 11

11.1 (10_0)

CUDA

-

+

Mantle

-

-

OpenCL

1.2

1.1

OpenGL

4.4

3.3

Shader Model

5.0

4.0

Vulkan

-

N/A

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-