Comparison of GeForce GTX 970 and GeForce GTX 870M [S]ave
| Attribute |  GeForce GTX 870M × |  GeForce GTX 970 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2014 | 2014 |
| GPU brand | Nvidia | Nvidia |
| GPU name | GK104 | GM204 |
| Market | Laptop | Desktop |
| Clock speed (MHz) | 941 | 1,050 |
| 1↑Turbo clock speed (MHz) | 967 | 1,178 |
| Is dual GPU | - | - |
| Model | GeForce GTX 870M | GeForce GTX 970 |
| Memory | ||
| Memory (MB) | 3,072 | 4,096 |
| Memory bandwidth (GB/s) | 120 | 224.4 |
| Memory bus (bit) | 192 | 256 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,250 | 1,753 |
| Effective memory clock speed (MHz) | 5,000 | 7,012 |
| Noise and power | ||
| TDP (W) | 100 | 148 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 26.35 | 58.8 |
| Render output processors | 24 | 56 |
| Texture mapping units | 112 | 104 |
| Shading units | 1,344 | 1,664 |
| Floating-point performance (GFLOPS) | 2,529 | 3,494 |
| Texture rate (GTexel/s) | 105.4 | 109.2 |
| Benchmarks | ||
| Unigine: Heaven 4.0 | - | 60 |
| Battlefield 4 | 36.6 | - |
| Face detection (mPixels/s) | 34.84 | 105.04 |
| T-Rex (GFXBench 3.0) | 3360.2 | 3358.38 |
| Manhattan (GFXBench 3.0) | 3717.8 | 3715.92 |
| Bitcoin mining (mHash/s) | 81.75 | 212.39 |
| Sky Diver Factor | 295.59 | 428.4 |
| Thief | 31.9 | 75 |
| Fire Strike Factor | 35.66 | 72.7 |
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