Comparison of Radeon HD 7870 XT and Radeon R9 270X [S]ave
| Attribute |  Radeon R9 270X × |  Radeon HD 7870 XT × |
|---|---|---|
| GPU | ||
| Release year (year) | 2013 | 2012 |
| Reference card | AMD Radeon R9 270X 1 GHz 2 GB | - |
| GPU brand | AMD | AMD |
| GPU name | Curacao | Tahiti LE |
| Market | Desktop | Desktop |
| Clock speed (MHz) | 1,100 | 925 |
| Turbo clock speed (MHz) | 1,150 | 975 |
| Is dual GPU | - | - |
| Model | Radeon R9 270X | Radeon HD 7870 XT |
| Memory | ||
| Memory (MB) | 2,048 | 2,048 |
| Memory bandwidth (GB/s) | 192 | 192 |
| Memory bus (bit) | 256 | 256 |
| 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) | 180 | 185 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 36.8 | 31.2 |
| Render output processors | 32 | 32 |
| Texture mapping units | 80 | 96 |
| Shading units | 1,280 | 1,536 |
| Floating-point performance (GFLOPS) | 2,944 | 2,995 |
| Compute units | 20 | 24 |
| Texture rate (GTexel/s) | 92 | 93.6 |
| Benchmarks | ||
| Metro: Last Light | - | 79.5 |
| Battlefield 3 | 65 | 72 |
| Dirt3 | 84 | - |
| Face detection (mPixels/s) | 57.24 | 65.4 |
| T-Rex (GFXBench 3.0) | 3353.98 | 3350.68 |
| Manhattan (GFXBench 3.0) | 3713.26 | 3705.76 |
| 1↑Bitcoin mining (mHash/s) | 251.26 | 345.79 |
| Sky Diver Factor | 338.41 | 314 |
| Fire Strike Factor | 51.83 | 47.56 |
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