Comparison of Radeon R9 M290X and Radeon HD 8970M [S]ave
| Attribute |  Radeon HD 8970M × |  Radeon R9 M290X × |
|---|---|---|
| GPU | ||
| Release year (year) | 2013 | 2014 |
| GPU brand | AMD | AMD |
| GPU name | Neptune | Neptune |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 850 | 850 |
| Turbo clock speed (MHz) | 900 | 900 |
| Is dual GPU | - | - |
| Model | Radeon HD 8970M | Radeon R9 M290X |
| Memory | ||
| Memory (MB) | 4,096 | 4,096 |
| Memory bandwidth (GB/s) | 153.6 | 153.6 |
| Memory bus (bit) | 256 | 256 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,200 | 1,200 |
| Effective memory clock speed (MHz) | 4,800 | 4,800 |
| Noise and power | ||
| TDP (W) | 100 | 100 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 28.8 | 28.8 |
| Render output processors | 32 | 32 |
| Texture mapping units | 80 | 80 |
| Shading units | 1,280 | 1,280 |
| Floating-point performance (GFLOPS) | 2,304 | 2,304 |
| Compute units | 20 | 20 |
| Texture rate (GTexel/s) | 72 | 72 |
| Benchmarks | ||
| Bioshock Infinite | - | 46.8 |
| Battlefield 4 | 43.25 | 36.35 |
| Face detection (mPixels/s) | 57.24 | 54.52 |
| T-Rex (GFXBench 3.0) | 1938.41 | 3324.52 |
| Manhattan (GFXBench 3.0) | 2321.43 | 2047.22 |
| Bitcoin mining (mHash/s) | 268.64 | 258.05 |
| Sky Diver Factor | 290.59 | - |
| Thief | 35.9 | 34 |
| Fire Strike Factor | 42.93 | - |
| Ocean surface simulation (frames/s) | - | 1134.46 |
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