Radeon HD 5970 and Radeon HD 2900 XTX - video card comparison

Radeon HD 5970

Radeon HD 2900 XTX

Architecture

TeraScale 2 (2009−2015)

TeraScale (2005−2013)

GPU code name

Hemlock

R600

Market segment

Desktop

Release date

November 2009

Interface

PCIe 2.0 x16

PCIe 1.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

2x 6-pin

Core clock speed

725 MHz

743 MHz

Floating-point performance

2x 2,320.0 gflops

Manufacturing process technology

40 nm

80 nm

Number of transistors

2,154 million

720 million

Pipelines / CUDA cores

1600

320

Power consumption (TDP)

294 Watt

240 Watt

Texture fill rate

58.00

11.89

Memory type

GDDR5

GDDR3

Maximum RAM amount

1 GB

512 MB

Memory bus width

256 Bit

512 Bit

Memory clock speed

4000 MHz

1656 MBps

Memory bandwidth

128.0 GB/s

106.0 GB/s

Display Connectors

2x DVI, 1x mini-DisplayPort

2x DVI, 1x S-Video

DirectX

11.2 (11_0)

10.0 (10_0)

OpenCL

1.2

N/A

OpenGL

4.4

3.3 (full) Shader Model5.04.0

Vulkan

N/A