Leadtek WinFast 7900 GTX Extreme

Graphics Processor

G71

Pixel Shaders

Vertex Shaders

TMUs

ROPs

Memory Size

512 MB

Memory Type

GDDR3

Bus Width

256 bit

GPU

Graphics Processor

GPU Name: G71

GPU Variant: G71-U-N-A2

Architecture: Curie

Foundry: TSMC

Process Size: 90 nm

Transistors: 278 million

Density: 1.4M / mm²

Die Size: 196 mm²

Graphics Card

Release Date: Mar 9th, 2006

Generation: GeForce 7 PCIe
(7900)

Predecessor: GeForce 6 PCIe

Successor: GeForce 8

Production: End-of-life

Bus Interface: PCIe 1.0 x16

Clock Speeds

GPU Clock: ~~650 MHz~~
675 MHz (+4%)

Memory Clock: ~~800 MHz~~
830 MHz (+4%)
~~1600 Mbps effective~~
1660 Mbps effective

Memory

Memory Size: 512 MB

Memory Type: GDDR3

Memory Bus: 256 bit

Bandwidth: ~~51.20 GB/s~~
53.12 GB/s

Render Config

Pixel Shaders: 24

Vertex Shaders: 8

TMUs: 24

ROPs: 16

Theoretical Performance

Pixel Rate: ~~10.40 GPixel/s~~
10.80 GPixel/s

Vertex Rate: ~~1.300 GVertices/s~~
1.350 GVertices/s

Texture Rate: ~~15.60 GTexel/s~~
16.20 GTexel/s

Board Design

Slot Width: Dual-slot

TDP: 84 W

Suggested PSU: 250 W

Outputs: 2x DVI
1x S-Video

Power Connectors: 1x 6-pin

Board Number: P348

Graphics Features

DirectX: 9.0c (9_3)

OpenGL: 2.1.2 (full)
3.x (partial)

OpenCL: N/A

Vulkan: N/A

Shader Model: 3.0

G71 GPU Notes

PureVideo HD: VP1
VDPAU: No Support

Latest Drivers:
Windows 2000:
ForceWare Release 93.71 / 93.81 Beta
Quadro Release 261.19

Windows XP / Server 2003 x64:
GeForce Release 179.48 (Notebooks)
GeForce Release 307.83
Quadro Release R310 U7 (312.69)

Windows Vista / 7:
GeForce Release 179.48 (Notebooks)
GeForce Release 309.08
Quadro Release R310 U7 (312.69)

Windows 8:
GeForce Release 309.08
Quadro Release R310 U7 (312.69)

Other retail boards based on this design (4)

Name	GPU Clock	Memory Clock
Albatron 7900 GTX	650 MHz	800 MHz
EVGA 7900 GTX Superclocked	690 MHz	880 MHz
Leadtek WinFast 7900 GTX Extreme	675 MHz	830 MHz
Leadtek WinFast 7900 GTX TDH	650 MHz	800 MHz