Comparison of GeForce GTX 570M and GeForce 840A [S]ave
| Attribute |  GeForce GTX 570M × |  GeForce 840A × |
|---|---|---|
| GPU | ||
| Release year (year) | 2011 | 2014 |
| GPU brand | Nvidia | Nvidia |
| GPU name | GF114 | GM108 |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 575 | 1,029 |
| Turbo clock speed (MHz) | - | 1,124 |
| Is dual GPU | - | - |
| Model | GeForce GTX 570M | GeForce 840A |
| Memory | ||
| Memory (MB) | 1,536 | 1,024 |
| Memory bandwidth (GB/s) | 72 | 16 |
| Memory bus (bit) | 192 | 64 |
| Memory type | GDDR5 | DDR3 |
| Memory clock speed (MHz) | 750 | 1,001 |
| Effective memory clock speed (MHz) | 3,000 | 2,002 |
| Noise and power | ||
| TDP (W) | 75 | 33 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 8.05 | 8.23 |
| Render output processors | 24 | 8 |
| Texture mapping units | 56 | 16 |
| Shading units | 336 | 384 |
| Floating-point performance (GFLOPS) | 773 | 790 |
| Texture rate (GTexel/s) | 32.2 | 16.46 |
| Benchmarks | ||
| Battlefield 3 | 18 | - |
| PassMark | - | 873 |
| Crysis 2 | 26.5 | - |
| Face detection (mPixels/s) | 14.91 | - |
| T-Rex (GFXBench 3.0) | 3351.98 | 1707.37 |
| Manhattan (GFXBench 3.0) | 7850.99 | 3613.42 |
| Bitcoin mining (mHash/s) | 66.19 | - |
| Sky Diver Factor | 150.44 | - |
| Fire Strike Factor | 18.78 | - |
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