Comparison of GeForce GTX 675MX Mac and Radeon HD 6870 1600SP [S]ave
| Attribute |  GeForce GTX 675MX Mac × |  Radeon HD 6870 1600SP × |
|---|---|---|
| GPU | ||
| Release year (year) | 2013 | 2013 |
| Reference card | - | AMD Radeon HD 6870 1600SP Edition 850 MHz 1 GB |
| GPU brand | Nvidia | AMD |
| GPU name | GK104 | Cypress |
| Market | Laptop | Desktop |
| Clock speed (MHz) | 719 | 900 |
| Is dual GPU | - | - |
| Model | GeForce GTX 675MX Mac | Radeon HD 6870 1600SP |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 160 | 134.4 |
| Memory bus (bit) | 256 | 256 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,250 | 1,050 |
| Effective memory clock speed (MHz) | 5,000 | 4,200 |
| Noise and power | ||
| TDP (W) | 100 | 175 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 20.13 | 28.8 |
| Render output processors | 32 | 32 |
| Texture mapping units | 112 | 80 |
| Shading units | 1,344 | 1,600 |
| Floating-point performance (GFLOPS) | 1,933 | 2,880 |
| Compute units | - | 20 |
| Texture rate (GTexel/s) | 80.5 | 72 |
| Benchmarks | ||
| T-Rex (Compubench 1.5) (frames/s) | 2.1 | - |
| Face detection (mPixels/s) | 22.66 | - |
| Ocean surface simulation (frames/s) | 1 | - |
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