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Features Key features of the GeForce GTX 285 Mac
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
floating point performance How fast the gpu can crunch numbers
shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading
texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes
Specifications Full list of technical specs
gpu
| GPU brand | Nvidia |
|---|---|
| GPU name | GT200 B3 |
| Market | Desktop |
| Clock speed | 648 MHz |
| Is dual GPU | No |
| Reference card | None |
raw performance
| Shading units | 240 |
|---|---|
| Texture mapping units | 80 |
| Render output processors | 32 |
| Pixel rate | 20.74 GPixel/s |
| Texture rate | 51.84 GTexel/s |
| Floating-point performance | 708.5 GFLOPS |
memory
| Memory clock speed | 1,242 MHz |
|---|---|
| Effective memory clock speed | 2,484 MHz |
| Memory bus | 512 bit |
| Memory | 1,024 MB |
| Memory type | GDDR3 |
| Memory bandwidth | 159 GB/s |
noise and power
| TDP | 204W |
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Competitors
 | ATi Radeon HD 2600 XT Mac
|
 | AMD Radeon HD 7770
|
 | ATi Radeon HD 5770 Mac
|
 | Nvidia GeForce GT 8800 Mac
|
 | ATi Radeon HD 4870 Mac
|
 | XFX Radeon HD 4890
|
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