Radeon HD 6950 and GeForce 6800 GT DDL - video card comparison

Radeon HD 6950

GeForce 6800 GT DDL

Architecture

TeraScale 3 (2010−2013)

Curie (2003−2013)

GPU code name

Cayman

NV40

Market segment

Desktop

Desktop

Release date

December 2010

April 2004

Bus support

PCIe 2.0 x16

-

Interface

PCIe 2.0 x16

AGP Pro 8x

Supplementary power connectors

2x 6-pin

None

Boost clock speed

800 MHz

-

Core clock speed

-

350 MHz

Floating-point performance

2,252.8 gflops

-

Manufacturing process technology

40 nm

130 nm

Number of transistors

2,640 million

222 million

Pipelines / CUDA cores

1408

-

Power consumption (TDP)

500 Watt

80 Watt

Texture fill rate

70.40

5.600

Memory type

GDDR5

GDDR3

Maximum RAM amount

2 GB

256 MB

Memory bus width

256 Bit

256 Bit

Memory clock speed

1250 MHz

1000 MHz

Memory bandwidth

-

32 GB/s

Display Connectors

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

2x DVI

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 11

9.0c (9_3)

Mantle

-

-

OpenCL

1.2

N/A

OpenGL

4.4

2.1

Shader Model

5.0

3.0

Vulkan

-

N/A

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-