Radeon HD 5970 and Radeon HD 2950 PRO - video card comparison

Radeon HD 5970

Radeon HD 2950 PRO

Architecture

TeraScale 2 (2009−2015)

TeraScale (2005−2013)

GPU code name

Hemlock

RV670

Market segment

Desktop

Release date

November 2009

Interface

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

1x 6-pin

Core clock speed

725 MHz

600 MHz

Floating-point performance

2x 2,320.0 gflops

Manufacturing process technology

40 nm

55 nm

Number of transistors

2,154 million

666 million

Pipelines / CUDA cores

1600

320

Power consumption (TDP)

294 Watt

75 Watt

Texture fill rate

58.00

9.600

Memory type

GDDR5

GDDR3

Maximum RAM amount

1 GB

256 MB

Memory bus width

256 Bit

Memory clock speed

4000 MHz

1200 MBps

Memory bandwidth

128.0 GB/s

38.4 GB/s

Display Connectors

2x DVI, 1x mini-DisplayPort

2x DVI, 1x S-Video

DirectX

11.2 (11_0)

10.1 (10_1)

OpenCL

1.2

N/A

OpenGL

4.4

3.3 (full) Shader Model5.04.1

Vulkan

N/A