GeForce 8800 GT and Radeon HD 2900 XTX - video card comparison

GeForce 8800 GT

Radeon HD 2900 XTX

Architecture

Tesla (2006−2010)

TeraScale (2005−2013)

GPU code name

G92

R600

Market segment

Desktop

Desktop

Release date

October 2007

-

Bus support

PCI-E 2.0

-

Interface

PCIe 2.0 x16

PCIe 1.0 x16

Supplementary power connectors

6-pin & 8-pin

2x 6-pin

SLI options

2-way

-

Core clock speed

600 MHz

743 MHz

CUDA cores

112

-

Floating-point performance

336.0 gflops

-

Manufacturing process technology

65 nm

80 nm

Number of transistors

754 million

720 million

Pipelines / CUDA cores

112

320

Power consumption (TDP)

105 Watt

240 Watt

Maximum GPU temperature

105 °C

-

Texture fill rate

33.6 billion/sec

11.89

Memory type

GDDR3

GDDR3

Maximum RAM amount

512 MB

512 MB

Memory bus width

256 Bit

512 Bit

Memory clock speed

900 MHz

1656 MBps

Memory bandwidth

57.6 GB/s

106.0 GB/s

Display Connectors

Dual Link DVIHDTV

2x DVI, 1x S-Video

Multi monitor support

+

-

Maximum VGA resolution

2048x1536

-

Audio input for HDMI

S/PDIF

-

DirectX

11.1 (10_0)

10.0 (10_0)

CUDA

+

-

OpenCL

1.1

N/A

OpenGL

2.1

3.3 (full) Shader Model4.04.0

Vulkan

N/A

N/A

High Dynamic-Range Lighting (HDRR)

128bit

-