Comparison of GeForce GTX 285 Mac and GeForce GTX 275 PhysX [S]ave
| Attribute |  GeForce GTX 285 Mac × |  GeForce GTX 275 PhysX × |
|---|---|---|
| GPU | ||
| Release year (year) | 2009 | 2010 |
| GPU brand | Nvidia | Nvidia |
| GPU name | GT200 B3 | GT200 B3 |
| Market | Desktop | Desktop |
| Clock speed (MHz) | 648 | 633 |
| Is dual GPU | - | - |
| Model | GeForce GTX 285 Mac | GeForce GTX 275 PhysX |
| Memory | ||
| Memory (MB) | 1,024 | 896 |
| Memory bandwidth (GB/s) | 159 | 127 |
| Memory bus (bit) | 512 | 448 |
| Memory type | GDDR3 | GDDR3 |
| Memory clock speed (MHz) | 1,242 | 1,134 |
| Effective memory clock speed (MHz) | 2,484 | 2,268 |
| Noise and power | ||
| TDP (W) | 204 | 219 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 20.74 | 17.72 |
| Render output processors | 32 | 28 |
| Texture mapping units | 80 | 80 |
| Shading units | 240 | 240 |
| Floating-point performance (GFLOPS) | 708 | 622 |
| Texture rate (GTexel/s) | 51.84 | 50.64 |
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