Comparison of GeForce GT 705 and GeForce 820A [S]ave
| Attribute |  GeForce GT 705 × |  GeForce 820A × |
|---|---|---|
| GPU | ||
| Release year (year) | 2014 | 2014 |
| GPU brand | Nvidia | Nvidia |
| GPU name | GF119 | GF117 |
| Market | Desktop | Laptop |
| Clock speed (MHz) | 874 | 775 |
| Is dual GPU | - | - |
| Model | GeForce GT 705 | GeForce 820A |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 13.2 | 14.4 |
| Memory bus (bit) | 64 | 64 |
| Memory type | DDR3 | DDR3 |
| Memory clock speed (MHz) | 825 | 900 |
| Effective memory clock speed (MHz) | 1,650 | 1,800 |
| Noise and power | ||
| TDP (W) | 29 | 15 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 3.5 | 3.1 |
| Render output processors | 4 | 8 |
| Texture mapping units | 8 | 16 |
| Shading units | 48 | 96 |
| Floating-point performance (GFLOPS) | 168 | 298 |
| Texture rate (GTexel/s) | 13.98 | 12.4 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 25.53 | - |
| T-Rex (Compubench 1.5) (frames/s) | 0.29 | - |
| Video composition (frames/s) | 1 | - |
| PassMark | - | 689 |
| Face detection (mPixels/s) | 3.15 | - |
| T-Rex (GFXBench 3.0) | 1798.2 | 1705.82 |
| Manhattan (GFXBench 3.0) | 1252.59 | 1716.7 |
| Bitcoin mining (mHash/s) | 11.06 | - |
| Ocean surface simulation (frames/s) | 84.6 | - |
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