Comparison of NVIDIA Quadro K420 and GeForce 805A [S]ave
| Attribute |  NVIDIA Quadro K420 × |  GeForce 805A × |
|---|---|---|
| GPU | ||
| Release year (year) | 2014 | 2014 |
| GPU brand | Nvidia | Nvidia |
| GPU name | GK107 | GK208 |
| Market | - | Laptop |
| Clock speed (MHz) | 876 | 775 |
| Is dual GPU | - | - |
| Model | NVIDIA Quadro K420 | GeForce 805A |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 28.5 | 14.4 |
| Memory bus (bit) | 128 | 64 |
| Memory type | DDR3 | DDR3 |
| Memory clock speed (MHz) | 891 | 900 |
| Effective memory clock speed (MHz) | 1,782 | 1,800 |
| Noise and power | ||
| TDP (W) | 41 | 15 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 3.5 | 6.2 |
| Render output processors | 16 | 8 |
| Texture mapping units | 16 | 16 |
| Shading units | 192 | 192 |
| Floating-point performance (GFLOPS) | 336 | 298 |
| Texture rate (GTexel/s) | 14.02 | 12.4 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 66.63 | - |
| T-Rex (Compubench 1.5) (frames/s) | 0.38 | - |
| Video composition (frames/s) | 10.37 | - |
| Face detection (mPixels/s) | 5.36 | - |
| Bitcoin mining (mHash/s) | 10.84 | - |
| Ocean surface simulation (frames/s) | 187.37 | - |
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