GeForce 7900 GTO and GeForce 8800 GT - video card comparison

GeForce 7900 GTO

GeForce 8800 GT

Architecture

Curie (2003−2013)

Tesla (2006−2010)

GPU code name

G71

G92

Market segment

Desktop

Desktop

Release date

October 2006

October 2007

Bus support

-

PCI-E 2.0

Interface

PCIe 1.0 x16

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin

6-pin & 8-pin

SLI options

-

2-way

Core clock speed

650 MHz

600 MHz

CUDA cores

-

112

Floating-point performance

-

336.0 gflops

Manufacturing process technology

90 nm

65 nm

Number of transistors

278 million

754 million

Pipelines / CUDA cores

-

112

Power consumption (TDP)

81 Watt

105 Watt

Maximum GPU temperature

-

105 °C

Texture fill rate

15.60

33.6 billion/sec

Memory type

GDDR3

GDDR3

Maximum RAM amount

512 MB

512 MB

Memory bus width

256 Bit

256 Bit

Memory clock speed

1320 MHz

900 MHz

Memory bandwidth

42.24 GB/s

57.6 GB/s

Display Connectors

2x DVI, 1x S-Video

Dual Link DVIHDTV

Multi monitor support

-

+

Maximum VGA resolution

-

2048x1536

Audio input for HDMI

-

S/PDIF

DirectX

9.0c (9_3)

11.1 (10_0)

CUDA

-

+

OpenCL

N/A

1.1

OpenGL

2.1

2.1

Shader Model

3.0

4.0

Vulkan

N/A

N/A

High Dynamic-Range Lighting (HDRR)

-

128bit