GeForce 9800 GX2 and Radeon HD 2950 PRO - video card comparison

GeForce 9800 GX2

Radeon HD 2950 PRO

Architecture

Tesla (2006−2010)

TeraScale (2005−2013)

GPU code name

G92

RV670

Market segment

Desktop

Desktop

Release date

March 2008

-

Interface

PCIe 2.0 x16

PCIe 2.0 x16

Supplementary power connectors

6-pin & 8-pin

1x 6-pin

SLI options

+

-

Core clock speed

600 MHz

600 MHz

CUDA cores

256 (128 per GPU)

-

Floating-point performance

2x 384.0 gflops

-

Manufacturing process technology

65 nm

55 nm

Number of transistors

754 million

666 million

Pipelines / CUDA cores

128

320

Power consumption (TDP)

197 Watt

75 Watt

Maximum GPU temperature

105 °C

-

Texture fill rate

76.8 billion/sec

9.600

Memory type

GDDR3

GDDR3

Maximum RAM amount

512 MB

256 MB

Memory bus width

512 Bit

256 Bit

Memory clock speed

1000 MHz

1200 MBps

Memory bandwidth

128 (64 per GPU)

38.4 GB/s

Display Connectors

HDMIDual Link DVI

2x DVI, 1x S-Video

Multi monitor support

+

-

HDMI

+

-

Maximum VGA resolution

2048x1536

-

Audio input for HDMI

S/PDIF

-

DirectX

11.1 (10_0)

10.1 (10_1)

CUDA

+

-

OpenCL

1.1

N/A

OpenGL

2.1

3.3 (full) Shader Model4.04.1

Vulkan

N/A

N/A