Comparison of GeForce 845M and GeForce 945A [S]ave
| Attribute |  GeForce 845M × | GeForce 945A × |
|---|---|---|
| GPU | ||
| Release year (year) | 2015 | 2015 |
| GPU brand | Nvidia | Nvidia |
| GPU name | GM107 | GM108 |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 863 | 1,072 |
| Turbo clock speed (MHz) | 936 | 1,176 |
| Is dual GPU | - | - |
| Model | GeForce 845M | GeForce 945A |
| Memory | ||
| Memory (MB) | 2,048 | 2,048 |
| Memory bandwidth (GB/s) | 16 | 14.4 |
| Memory bus (bit) | 64 | 64 |
| Memory type | DDR3 | DDR3 |
| Memory clock speed (MHz) | 1,001 | 900 |
| Effective memory clock speed (MHz) | 2,002 | 1,800 |
| Noise and power | ||
| TDP (W) | 45 | 33 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 13.81 | 8.58 |
| Render output processors | 16 | 8 |
| Texture mapping units | 32 | 24 |
| Shading units | 512 | 384 |
| Floating-point performance (GFLOPS) | 884 | 823 |
| Texture rate (GTexel/s) | 27.62 | 25.73 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 232.99 | 316.59 |
| T-Rex (Compubench 1.5) (frames/s) | 1.3 | 1.99 |
| Video composition (frames/s) | 22.39 | 30.79 |
| Crysis 3 | 16.3 | - |
| Bioshock Infinite | 18.15 | - |
| Battlefield 4 | 10.9 | - |
| Face detection (mPixels/s) | - | 28.87 |
| Bitcoin mining (mHash/s) | 76.07 | 107.63 |
| Thief | 7.3 | - |
| Ocean surface simulation (frames/s) | - | 381.9 |
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