GeForce 8800 Ultra and Radeon HD 2950 PRO - video card comparison

GeForce 8800 Ultra

Radeon HD 2950 PRO

Architecture

Tesla (2006−2010)

TeraScale (2005−2013)

GPU code name

G80

RV670

Market segment

Desktop

Release date

May 2007

Interface

PCIe 1.0 x16

PCIe 2.0 x16

Supplementary power connectors

2x 6-pin

1x 6-pin

SLI options

Core clock speed

612 MHz

600 MHz

CUDA cores

612

Floating-point performance

387.1 gflops

Manufacturing process technology

90 nm

55 nm

Number of transistors

681 million

666 million

Pipelines / CUDA cores

128

320

Power consumption (TDP)

171 Watt

75 Watt

Texture fill rate

39.2 billion/sec

9.600

Memory type

GDDR3

Maximum RAM amount

512 MB

256 MB

Memory bus width

384 Bit

256 Bit

Memory clock speed

1080 MHz

1200 MBps

Memory bandwidth

103.7 GB/s

38.4 GB/s

Display Connectors

2x DVI, 1x S-Video

DirectX

11.1 (10_0)

10.1 (10_1)

CUDA

OpenCL

1.1

N/A

OpenGL

3.3

3.3 (full) Shader Model4.04.1

Vulkan

N/A