GeForce GTX 285 and GeForce 7900 GTO - video card comparison

GeForce GTX 285

GeForce 7900 GTO

Architecture

Tesla 2.0 (2007−2013)

Curie (2003−2013)

GPU code name

GT200B

G71

Market segment

Desktop

Desktop

Release date

December 2008

October 2006

Interface

PCIe 2.0 x16

PCIe 1.0 x16

Supplementary power connectors

2x 6-pin

1x 6-pin

SLI options

+

-

Core clock speed

648 MHz

650 MHz

CUDA cores

240

-

Floating-point performance

708.5 gflops

-

Manufacturing process technology

55 nm

90 nm

Number of transistors

1,400 million

278 million

Pipelines / CUDA cores

240

-

Power consumption (TDP)

204 Watt

81 Watt

Maximum GPU temperature

105 °C

-

Texture fill rate

51.8 billion/sec

15.60

Memory type

GDDR3

GDDR3

Maximum RAM amount

1 GB

512 MB

Memory bus width

512 Bit

256 Bit

Memory clock speed

1242 MHz

1320 MHz

Memory bandwidth

159.0 GB/s

42.24 GB/s

Display Connectors

HDTVTwo Dual 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)

9.0c (9_3)

CUDA

+

-

OpenCL

1.1

N/A

OpenGL

2.1

2.1

Shader Model

4.0

3.0

Vulkan

N/A

N/A

High Dynamic-Range Lighting (HDRR)

128bit

-