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Features Key features of the GeForce 6800 Ultra Extreme
effective memory clock speed Frequency at which memory can be read from and written to
memory bandwidth Rate at which data can be read from or stored in onboard memory
pixel rate Number of pixels a graphics card can render to the screen every second
texture rate Speed at which a graphics card can perform texture mapping
texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes
render output processors GPU commponents responsible for transform pixels as they flow between memory buffers
Specifications Full list of technical specs
gpu
| GPU brand | Nvidia |
|---|---|
| GPU name | NV40 |
| Market | Desktop |
| Clock speed | 450 MHz |
| Is dual GPU | No |
| Reference card | None |
raw performance
| Texture mapping units | 16 |
|---|---|
| Render output processors | 16 |
| Pixel rate | 7.2 GPixel/s |
| Texture rate | 7.2 GTexel/s |
memory
| Memory clock speed | 550 MHz |
|---|---|
| Effective memory clock speed | 1,100 MHz |
| Memory bus | 256 bit |
| Memory | 256 MB |
| Memory type | GDDR3 |
| Memory bandwidth | 35.2 GB/s |
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Competitors
 | ZOTAC GeForce GTS 250
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 | AMD Radeon HD 6750
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 | Nvidia GeForce 8400 GS
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 | Colorful GeForce GTX 650
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 | Nvidia GeForce 8800 GS
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