Radeon HD 6870 X2 and G94 - video card comparison

Radeon HD 6870 X2

G94

Architecture

TeraScale 2 (2009−2015)

Tesla (2006−2010)

GPU code name

Barts

G94

Market segment

Desktop

Desktop

Release date

July 2011

-

Interface

PCIe 2.0 x16

-

Core clock speed

900 MHz

-

Floating-point performance

2x 2,016.0 gflops

-

Manufacturing process technology

40 nm

65 nm

Number of transistors

1,700 million

505 million

Pipelines / CUDA cores

1120

64

Power consumption (TDP)

300 Watt

-

Texture fill rate

50.40

-

Memory type

GDDR5

-

Maximum RAM amount

1 GB

-

Memory bus width

256 Bit

-

Memory clock speed

4200 MHz

-

Memory bandwidth

134.4 GB/s

-

Display Connectors

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

-

HDMI

+

-

DirectX

11.2 (11_0)

11.1 (10_0)

CUDA

-

1.1

OpenCL

1.2

1.1

OpenGL

4.4

3.3

Shader Model

5.0

4.0

Vulkan

N/A

N/A

PureVideo HD

-

VP2