Comparison of Radeon HD 6550A and GeForce GT 745A [S]ave
| Attribute |  GeForce GT 745A × |  Radeon HD 6550A × |
|---|---|---|
| GPU | ||
| Release year (year) | 2013 | 2011 |
| GPU brand | Nvidia | AMD |
| GPU name | GK107 | Turks |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 837 | 650 |
| Is dual GPU | - | - |
| Model | GeForce GT 745A | Radeon HD 6550A |
| Memory | ||
| Memory (MB) | 2,048 | 2,048 |
| Memory bandwidth (GB/s) | 28.8 | 28.8 |
| Memory bus (bit) | 128 | 128 |
| Memory type | DDR3 | DDR3 |
| Memory clock speed (MHz) | 900 | 900 |
| Effective memory clock speed (MHz) | 1,800 | 1,800 |
| Noise and power | ||
| TDP (W) | 33 | 35 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 6.7 | 5.2 |
| Render output processors | 16 | 8 |
| Texture mapping units | 32 | 24 |
| Shading units | 384 | 480 |
| Floating-point performance (GFLOPS) | 643 | 624 |
| Compute units | - | 6 |
| Texture rate (GTexel/s) | 26.78 | 15.6 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 103.76 | - |
| T-Rex (Compubench 1.5) (frames/s) | 0.88 | - |
| Video composition (frames/s) | 14.78 | - |
| PassMark | 1,146 | 707 |
| PassMark Direct Compute | - | 293 |
| Face detection (mPixels/s) | 12.45 | - |
| Bitcoin mining (mHash/s) | 25.74 | - |
| Ocean surface simulation (frames/s) | 278.16 | - |
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