Comparison of GeForce 945M and GeForce 945A [S]ave
| Attribute |  GeForce 945M × | GeForce 945A × |
|---|---|---|
| GPU | ||
| Release year (year) | 2015 | 2015 |
| GPU brand | Nvidia | Nvidia |
| GPU name | GM107 | GM108 |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 1,029 | 1,072 |
| Turbo clock speed (MHz) | 1,085 | 1,176 |
| Is dual GPU | - | - |
| Model | GeForce 945M | GeForce 945A |
| Memory | ||
| Memory (MB) | 2,048 | 2,048 |
| Memory bandwidth (GB/s) | 28.8 | 14.4 |
| Memory bus (bit) | 128 | 64 |
| Memory type | DDR3 | DDR3 |
| Memory clock speed (MHz) | 900 | 900 |
| Effective memory clock speed (MHz) | 1,800 | 1,800 |
| Noise and power | ||
| TDP (W) | 75 | 33 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 16.46 | 8.58 |
| Render output processors | 16 | 8 |
| Texture mapping units | 40 | 24 |
| Shading units | 640 | 384 |
| Floating-point performance (GFLOPS) | 1,317 | 823 |
| Texture rate (GTexel/s) | 41.2 | 25.73 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 302.61 | 316.59 |
| T-Rex (Compubench 1.5) (frames/s) | - | 1.99 |
| Video composition (frames/s) | - | 30.79 |
| Crysis 3 | 12.6 | - |
| Bioshock Infinite | 26.4 | - |
| Battlefield 4 | 21.6 | - |
| Face detection (mPixels/s) | 28.63 | 28.87 |
| Bitcoin mining (mHash/s) | 107.09 | 107.63 |
| Thief | 18.5 | - |
| Ocean surface simulation (frames/s) | 380.46 | 381.9 |
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