Comparison of Radeon HD 8830M and GeForce 845M [S]ave
| Attribute |  GeForce 845M × |  Radeon HD 8830M × |
|---|---|---|
| GPU | ||
| Release year (year) | 2015 | 2013 |
| GPU brand | Nvidia | AMD |
| GPU name | GM107 | Venus |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 863 | 575 |
| Turbo clock speed (MHz) | 936 | 625 |
| Is dual GPU | - | - |
| Model | GeForce 845M | Radeon HD 8830M |
| Memory | ||
| Memory (MB) | 2,048 | 2,048 |
| Memory bandwidth (GB/s) | 16 | 32 |
| Memory bus (bit) | 64 | 128 |
| Memory type | DDR3 | DDR3 |
| Memory clock speed (MHz) | 1,001 | 1,000 |
| Effective memory clock speed (MHz) | 2,002 | 2,000 |
| Noise and power | ||
| TDP (W) | 45 | - |
| Raw performance | ||
| Pixel rate (GPixel/s) | 13.81 | 10 |
| Render output processors | 16 | 16 |
| Texture mapping units | 32 | 40 |
| Shading units | 512 | 640 |
| Floating-point performance (GFLOPS) | 884 | 800 |
| Compute units | - | 10 |
| Texture rate (GTexel/s) | 27.62 | 25 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 232.99 | - |
| T-Rex (Compubench 1.5) (frames/s) | 1.3 | - |
| Video composition (frames/s) | 22.39 | - |
| Crysis 3 | 16.3 | - |
| Bioshock Infinite | 18.15 | - |
| Battlefield 4 | 10.9 | - |
| Bitcoin mining (mHash/s) | 76.07 | - |
| Thief | 7.3 | - |
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