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NVIDIA GeForce 6800 XT

Graphics Processor
NV42
Pixel Shaders
12
Vertex Shaders
5
TMUs
12
ROPs
12
Memory Size
256 MB
Memory Type
GDDR3
Bus Width
256 bit
The GeForce 6800 XT was a graphics card by NVIDIA, launched in September 2005. Built on the 110 nm process, and based on the NV42 graphics processor, the card supports DirectX 9.0c. The NV42 graphics processor is an average sized chip with a die area of 150 mm² and 198 million transistors. It features 12 pixel shaders and 5 vertex shaders, 12 texture mapping units and 12 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 256 MB GDDR3 memory on the card, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 450 MHz, memory is running at 600 MHz.
Being a single-slot card, the NVIDIA GeForce 6800 XT draws power from 1x Molex power connectors, with power draw not exactly known. Display outputs include: 1x DVI, 1x VGA, 1x S-Video. GeForce 6800 XT is connected to the rest of the system using an AGP 8x interface.

Graphics Processor

GPU Name
NV42
Architecture
Curie
Foundry
TSMC
Process Size
110 nm
Transistors
198 million
Die Size
150 mm²

Graphics Card

Release Date
Sep 30th, 2005
Generation
GeForce 6 AGP
(6800)
Production
End-of-life
Bus Interface
AGP 8x

Clock Speeds

GPU Clock
450 MHz
Memory Clock
600 MHz
1200 MHz effective

Memory

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

Render Config

Pixel Shaders
12
Vertex Shaders
5
TMUs
12
ROPs
12

Theoretical Performance

Pixel Rate
5.400 GPixel/s
Vertex Rate
562.5 MVertices/s
Texture Rate
5.400 GTexel/s

Board Design

Slot Width
Single-slot
TDP
unknown
Outputs
1x DVI
1x VGA
1x S-Video
Power Connectors
1x Molex
Board Number
P260

Graphics Features

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

NV42 GPU Notes

PureVideo HD: VP1
VDPAU: Not Supported