Comparison of Radeon R9 270 and GeForce GTX 870M [S]ave
| Attribute |  Radeon R9 270 × |  GeForce GTX 870M × |
|---|---|---|
| GPU | ||
| Release year (year) | 2013 | 2014 |
| GPU brand | AMD | Nvidia |
| GPU name | Curacao | GK104 |
| Market | Desktop | Laptop |
| Clock speed (MHz) | 900 | 941 |
| Turbo clock speed (MHz) | 925 | 967 |
| Is dual GPU | - | - |
| Model | Radeon R9 270 | GeForce GTX 870M |
| Memory | ||
| Memory (MB) | 2,048 | 3,072 |
| Memory bandwidth (GB/s) | 179.2 | 120 |
| Memory bus (bit) | 256 | 192 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,400 | 1,250 |
| Effective memory clock speed (MHz) | 5,600 | 5,000 |
| Noise and power | ||
| TDP (W) | 150 | 100 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 29.6 | 26.35 |
| Render output processors | 32 | 24 |
| Texture mapping units | 80 | 112 |
| Shading units | 1,280 | 1,344 |
| Floating-point performance (GFLOPS) | 2,368 | 2,529 |
| Compute units | 20 | - |
| Texture rate (GTexel/s) | 74 | 105.4 |
| Benchmarks | ||
| Crysis 3 | 74 | - |
| Battlefield 4 | 65 | 36.6 |
| Face detection (mPixels/s) | 57.24 | 34.84 |
| T-Rex (GFXBench 3.0) | 3359.76 | 3360.2 |
| Manhattan (GFXBench 3.0) | 3717.7 | 3717.8 |
| Bitcoin mining (mHash/s) | 251.26 | 81.75 |
| Sky Diver Factor | 312.65 | 295.59 |
| Thief | - | 31.9 |
| Fire Strike Factor | 49.6 | 35.66 |
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