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NVIDIA GeForce 7900 GTX

G71
Graphics Processor
24
Pixel Shaders
8
Vertex Shaders
24
TMUs
16
ROPs
512 MB
Memory Size
GDDR3
Memory Type
256 bit
Bus Width
NVIDIA GeForce 7900 GTX Photo NVIDIA G71 Photo
The GeForce 7900 GTX was a graphics card by NVIDIA, launched in March 2006. Built on the 90 nm process, and based on the G71 graphics processor, in its G71-U-N-A2 variant, the card supports DirectX 9.0c. The G71 graphics processor is an average sized chip with a die area of 196 mm² and 278 million transistors. It features 24 pixel shaders and 8 vertex shaders, 24 texture mapping units and 16 ROPs. Due to the lack of unified shaders you will not be able to run recent games at all (which require unified shader/DX10+ support). NVIDIA has placed 512 MB GDDR3 memory on the card, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 650 MHz, memory is running at 800 MHz.
Being a single-slot card, the NVIDIA GeForce 7900 GTX draws power from 1x 6-pin power connectors, with power draw rated at 84 W maximum. Display outputs include: 2x DVI, 1x S-Video. GeForce 7900 GTX is connected to the rest of the system using a PCI-Express 1.0 x16 interface.

Graphics Processor

GPU Name
G71
GPU Variant
G71-U-N-A2
Architecture
Curie
Process Size
90 nm
Transistors
278 million
Die Size
196 mm²

Graphics Card

Release Date
Mar 9th, 2006
Generation
GeForce 7 PCIe 7900
Production Status
End-of-life
Bus Interface
PCIe 1.0 x16

Clock Speeds

GPU Clock
650 MHz
Memory Clock
800 MHz
1600 MHz effective

Memory

Memory Size
512 MB
Memory Type
GDDR3
Memory Bus
256 bit
Bandwidth
51.20 GB/s

Render Config

Pixel Shaders
24
Vertex Shaders
8
TMUs
24
ROPs
16

Theoretical Performance

Pixel Rate
10.40 GPixel/s
Vertex Rate
1.300 GVertices/s
Texture Rate
15.60 GTexel/s

Board Design

Slot Width
Single-slot
TDP
84 W
Outputs
2x DVI
1x S-Video
Power Connectors
1x 6-pin
Board Number
P348

Graphics Features

DirectX
9.0c
OpenGL
2.1
OpenCL
N/A
Vulkan
N/A
Shader Model
3.0

G71 GPU Notes

PureVideo HD: VP1
VDPAU: Not Supported

Retail boards based on this design (4)

Name GPU Clock Memory Clock Other Changes
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