Comparison of Radeon R9 390 and Radeon R9 390X [S]ave
| Attribute |  Radeon R9 390X × | Radeon R9 390 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2015 | 2015 |
| GPU brand | AMD | AMD |
| GPU name | Grenada | Grenada |
| Market | Desktop | Desktop |
| Clock speed (MHz) | 1,050 | 1,000 |
| Is dual GPU | - | - |
| Model | Radeon R9 390X | Radeon R9 390 |
| Memory | ||
| Memory (MB) | 8,192 | 8,192 |
| Memory bus (bit) | 512 | 512 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,500 | 1,500 |
| Effective memory clock speed (MHz) | 6,000 | 6,000 |
| Noise and power | ||
| TDP (W) | 275 | 275 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 67.2 | 64 |
| Render output processors | 64 | 64 |
| Texture mapping units | 176 | 160 |
| Shading units | 2,816 | 2,560 |
| Floating-point performance (GFLOPS) | 5,914 | 5,120 |
| Compute units | 44 | 40 |
| Texture rate (GTexel/s) | 184.8 | 160 |
| Benchmarks | ||
| Metro: Last Light | - | 75 |
| Bioshock Infinite | - | 59 |
| Cloud Gate Factor | 21.17 | 21.89 |
| Battlefield 4 | 89.7 | - |
| Face detection (mPixels/s) | 114.29 | 120.3 |
| Bitcoin mining (mHash/s) | 683.57 | 607.36 |
| Sky Diver Factor | 419.33 | 418.55 |
| Thief | 72.6 | - |
| Fire Strike Factor | 72.83 | 72.81 |
| Ocean surface simulation (frames/s) | 2911.86 | 3168.89 |
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