| Attribute | NVIDIA Quadro K420 × | GeForce GT 550M × |
|---|---|---|
| GPU | ||
| Release year (year) | 2014 | 2011 |
| GPU brand | Nvidia | Nvidia |
| GPU name | GK107 | GF108 |
| Market | - | Laptop |
| Clock speed (MHz) | 876 | 740 |
| Is dual GPU | - | - |
| Model | NVIDIA Quadro K420 | GeForce GT 550M |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 28.5 | 28.8 |
| Memory bus (bit) | 128 | 128 |
| 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 | 35 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 3.5 | 2.96 |
| Render output processors | 16 | 4 |
| Texture mapping units | 16 | 16 |
| Shading units | 192 | 96 |
| Floating-point performance (GFLOPS) | 336 | 284 |
| Texture rate (GTexel/s) | 14.02 | 11.84 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 66.63 | - |
| T-Rex (Compubench 1.5) (frames/s) | 0.38 | - |
| Video composition (frames/s) | 10.37 | - |
| Dirt3 | - | 12.7 |
| Crysis 2 | - | 10.3 |
| Cloud Gate Factor | - | 8.96 |
| Face detection (mPixels/s) | 5.36 | 4.65 |
| Bitcoin mining (mHash/s) | 10.84 | 23.98 |
| Sky Diver Factor | - | 69.77 |
| Fire Strike Factor | - | 9.33 |
| Ocean surface simulation (frames/s) | 187.37 | 213.21 |