Comparison of GeForce GTX 880M and GeForce GTX 745 [S]ave
| Attribute |  GeForce GTX 880M × |  GeForce GTX 745 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2014 | 2014 |
| GPU brand | Nvidia | Nvidia |
| GPU name | GK104 | GM107 |
| Market | Laptop | Desktop |
| Clock speed (MHz) | 954 | 1,033 |
| Turbo clock speed (MHz) | 993 | 1,085 |
| Is dual GPU | - | - |
| Model | GeForce GTX 880M | GeForce GTX 745 |
| Memory | ||
| Memory (MB) | 8,192 | 4,096 |
| Memory bandwidth (GB/s) | 160 | 28.8 |
| Memory bus (bit) | 256 | 128 |
| Memory type | GDDR5 | DDR3 |
| Memory clock speed (MHz) | 1,250 | 900 |
| Effective memory clock speed (MHz) | 5,000 | 1,800 |
| Noise and power | ||
| TDP (W) | 122 | 55 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 30.53 | 16.53 |
| Render output processors | 32 | 16 |
| Texture mapping units | 128 | 24 |
| Shading units | 1,536 | 384 |
| Floating-point performance (GFLOPS) | 2,931 | 793 |
| Texture rate (GTexel/s) | 122.1 | 24.79 |
| Benchmarks | ||
| Cloud Gate Factor | - | 13.47 |
| Battlefield 4 | 46.2 | - |
| Face detection (mPixels/s) | 41.2 | 24.01 |
| T-Rex (GFXBench 3.0) | 3359.5 | 1650.2 |
| Manhattan (GFXBench 3.0) | 3715.14 | 1728.44 |
| Bitcoin mining (mHash/s) | 82.51 | 96.34 |
| Sky Diver Factor | 351.61 | 184.21 |
| Thief | 40.15 | - |
| Fire Strike Factor | 51.88 | 27.8 |
| Ocean surface simulation (frames/s) | - | 335.34 |
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