Comparison of Radeon HD 5730 and GeForce GT 640M Mac [S]ave
| Attribute |  GeForce GT 640M Mac × |  Radeon HD 5730 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2013 | 2011 |
| GPU brand | Nvidia | ATI |
| GPU name | GK107 | Redwood |
| Market | Laptop | Desktop |
| Clock speed (MHz) | 745 | 775 |
| Is dual GPU | - | - |
| Model | GeForce GT 640M Mac | Radeon HD 5730 |
| Memory | ||
| Memory (MB) | 512 | 1,024 |
| Memory bandwidth (GB/s) | 40 | 64 |
| Memory bus (bit) | 64 | 128 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,250 | 1,000 |
| Effective memory clock speed (MHz) | 5,000 | 4,000 |
| Noise and power | ||
| TDP (W) | 32 | 64 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 5.96 | 6.2 |
| Render output processors | 8 | 8 |
| Texture mapping units | 32 | 20 |
| Shading units | 384 | 400 |
| Floating-point performance (GFLOPS) | 572 | 620 |
| Compute units | - | 5 |
| Texture rate (GTexel/s) | 23.84 | 15.5 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 69.88 | - |
| T-Rex (Compubench 1.5) (frames/s) | 0.56 | - |
| Video composition (frames/s) | 11.95 | - |
| Face detection (mPixels/s) | 6.58 | - |
| T-Rex (GFXBench 3.0) | 3356.32 | 3212.43 |
| Manhattan (GFXBench 3.0) | 2290.86 | 2857.25 |
| Bitcoin mining (mHash/s) | 12.55 | - |
| Ocean surface simulation (frames/s) | 226.22 | - |
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