Comparison of Radeon HD 8950 and Radeon R9 M295X Mac [S]ave
| Attribute |  Radeon R9 M295X Mac × | Radeon HD 8950 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2014 | 2013 |
| GPU brand | AMD | AMD |
| GPU name | Amethyst | Curaçao PRO |
| Market | Laptop | Desktop |
| Clock speed (MHz) | 850 | 900 |
| Is dual GPU | - | - |
| Model | Radeon R9 M295X Mac | Radeon HD 8950 |
| Memory | ||
| Memory (MB) | 4,096 | 3,072 |
| Memory bandwidth (GB/s) | 174.3 | 240 |
| Memory bus (bit) | 256 | 384 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,362 | 1,250 |
| Effective memory clock speed (MHz) | 5,448 | 5,000 |
| Noise and power | ||
| TDP (W) | 250 | - |
| Raw performance | ||
| Pixel rate (GPixel/s) | 27.2 | 43.2 |
| Render output processors | 32 | 48 |
| Texture mapping units | 128 | 144 |
| Shading units | 2,048 | 2,304 |
| Floating-point performance (GFLOPS) | 3,482 | 4,147 |
| Compute units | 32 | 36 |
| Texture rate (GTexel/s) | 108.8 | 129.6 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 409.67 | 321.98 |
| T-Rex (Compubench 1.5) (frames/s) | 5.84 | 3.33 |
| Video composition (frames/s) | 75.35 | 64.21 |
| PassMark | 5,101 | 3,120 |
| PassMark Direct Compute | - | 1,741 |
| Face detection (mPixels/s) | 71.78 | 40.31 |
| T-Rex (GFXBench 3.0) | 3356.8 | - |
| Bitcoin mining (mHash/s) | 321.77 | 181.51 |
| Ocean surface simulation (frames/s) | 1285.14 | 795.33 |
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