Comparison of GeForce GT 705 and GeForce GT 420 [S]ave
| Attribute |  GeForce GT 420 × |  GeForce GT 705 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2010 | 2014 |
| GPU brand | Nvidia | Nvidia |
| GPU name | GF108 | GF119 |
| Market | Desktop | Desktop |
| Clock speed (MHz) | 700 | 874 |
| Is dual GPU | - | - |
| Model | GeForce GT 420 | GeForce GT 705 |
| Memory | ||
| Memory (MB) | 1,048 | 1,024 |
| Memory bandwidth (GB/s) | 28.8 | 13.2 |
| Memory bus (bit) | 128 | 64 |
| Memory type | DDR3 | DDR3 |
| Memory clock speed (MHz) | 900 | 825 |
| Effective memory clock speed (MHz) | 1,800 | 1,650 |
| Noise and power | ||
| TDP (W) | 50 | 29 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 1.4 | 3.5 |
| Render output processors | 4 | 4 |
| Texture mapping units | 4 | 8 |
| Shading units | 48 | 48 |
| Floating-point performance (GFLOPS) | 134 | 168 |
| Texture rate (GTexel/s) | 2.8 | 13.98 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 26.67 | 25.53 |
| T-Rex (Compubench 1.5) (frames/s) | - | 0.29 |
| Video composition (frames/s) | - | 1 |
| Cloud Gate Factor | 7.08 | - |
| Face detection (mPixels/s) | 3.19 | 3.15 |
| T-Rex (GFXBench 3.0) | 1648.79 | 1798.2 |
| Manhattan (GFXBench 3.0) | 1181.01 | 1252.59 |
| Bitcoin mining (mHash/s) | - | 11.06 |
| Sky Diver Factor | 40.32 | - |
| Fire Strike Factor | 4.17 | - |
| Ocean surface simulation (frames/s) | 104.11 | 84.6 |
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