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NVIDIA GeForce 7900 GTO

Graphics Processor
G71
Pixel Shaders
24
Vertex Shaders
8
TMUs
24
ROPs
16
Memory Size
512 MB
Memory Type
GDDR3
Bus Width
256 bit
The GeForce 7900 GTO was a graphics card by NVIDIA, launched in October 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 660 MHz.
Being a single-slot card, the NVIDIA GeForce 7900 GTO draws power from 1x 6-pin power connectors, with power draw rated at 81 W maximum. Display outputs include: 2x DVI, 1x S-Video. GeForce 7900 GTO 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
Foundry
TSMC
Process Size
90 nm
Transistors
278 million
Die Size
196 mm²

Graphics Card

Release Date
Oct 1st, 2006
Generation
GeForce 7 PCIe
(7900)
Production
End-of-life
Bus Interface
PCIe 1.0 x16

Clock Speeds

GPU Clock
650 MHz
Memory Clock
660 MHz
1320 MHz effective

Memory

Memory Size
512 MB
Memory Type
GDDR3
Memory Bus
256 bit
Bandwidth
42.24 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
81 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

Card Notes

This card is physically identical to the 7900 GTX, just the clocks differ.

G71 GPU Notes

Codename: NV49
PureVideo HD: VP1
VDPAU: Not Supported