Radeon HD 6990 and M56 - video card comparison

Radeon HD 6990

M56

Architecture

TeraScale 3 (2010−2013)

Ultra-Threaded SE

GPU code name

Antilles

M56

Market segment

Desktop

Desktop

Release date

March 2011

-

Interface

PCIe 2.0 x16

-

Supplementary power connectors

2x 8-pin

-

Core clock speed

830 MHz

-

Floating-point performance

2x 2,549.8 gflops

-

Manufacturing process technology

40 nm

90 nm

Number of transistors

2,640 million

157 million

Pipelines / CUDA cores

1536

-

Power consumption (TDP)

375 Watt

-

Texture fill rate

79.68

-

Memory type

GDDR5

-

Maximum RAM amount

2 GB

-

Memory bus width

256 Bit

-

Memory clock speed

5000 MHz

-

Memory bandwidth

160.0 GB/s

-

Display Connectors

1x DVI, 4x mini-DisplayPort

-

DirectX

11.2 (11_0)

9.0c (9_3)

OpenCL

1.2

N/A

OpenGL

4.4

2.1

Shader Model

5.0

3.0

Vulkan

N/A

N/A