Comparison of Radeon HD 8790M and Radeon R9 M375X [S]ave
| Attribute |  Radeon R9 M375X × |  Radeon HD 8790M × |
|---|---|---|
| GPU | ||
| Release year (year) | 2015 | 2013 |
| GPU brand | AMD | AMD |
| GPU name | Tropo | Mars |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 925 | 850 |
| Turbo clock speed (MHz) | 1,015 | 900 |
| Is dual GPU | - | - |
| Model | Radeon R9 M375X | Radeon HD 8790M |
| Memory | ||
| Memory (MB) | 2,048 | 2,048 |
| Memory bandwidth (GB/s) | 72 | 64 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,125 | 1,000 |
| Effective memory clock speed (MHz) | 4,500 | 4,000 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 16.24 | 7.2 |
| Render output processors | 16 | 8 |
| Texture mapping units | 40 | 24 |
| Shading units | 640 | 384 |
| Floating-point performance (GFLOPS) | 1,299 | 691 |
| Compute units | 10 | 6 |
| Texture rate (GTexel/s) | 40.6 | 21.6 |
| Benchmarks | ||
| Crysis 3 | - | 16 |
| PassMark | 2,309 | - |
| PassMark Direct Compute | 1,415 | - |
| Bioshock Infinite | - | 15.6 |
| Face detection (mPixels/s) | - | 12.76 |
| T-Rex (GFXBench 3.0) | 3358.28 | 3304.41 |
| Manhattan (GFXBench 3.0) | 3717.52 | 3686.17 |
| Bitcoin mining (mHash/s) | - | 80.42 |
| Sky Diver Factor | - | 119.24 |
| Fire Strike Factor | - | 10.59 |
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