Comparison of Radeon R7 M260 and GeForce GT 640M LE [S]ave
| Attribute |  Radeon R7 M260 × |  GeForce GT 640M LE × |
|---|---|---|
| GPU | ||
| Release year (year) | 2015 | 2012 |
| Reference card | - | Nvidia GeForce GT 640M LE 500 MHz 1 GB |
| GPU brand | AMD | Nvidia |
| GPU name | Opal | GK107 |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 620 | 500 |
| Turbo clock speed (MHz) | 715 | - |
| Is dual GPU | - | - |
| Model | Radeon R7 M260 | GeForce GT 640M LE |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 64 | 64 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,000 | 1,000 |
| Effective memory clock speed (MHz) | 4,000 | 4,000 |
| Noise and power | ||
| TDP (W) | - | 20 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 5.72 | 4 |
| Render output processors | 8 | 16 |
| Texture mapping units | 24 | 32 |
| Shading units | 384 | 384 |
| Floating-point performance (GFLOPS) | 549 | 384 |
| Compute units | 6 | - |
| Texture rate (GTexel/s) | 17.16 | 16 |
| Benchmarks | ||
| Battlefield 3 | - | 8.9 |
| Dirt3 | - | 16.8 |
| Battlefield 4 | 6.7 | - |
| Face detection (mPixels/s) | 14.25 | 6.49 |
| T-Rex (GFXBench 3.0) | 1688.22 | 2181.42 |
| Manhattan (GFXBench 3.0) | 1718.67 | 1573.09 |
| Bitcoin mining (mHash/s) | 77.89 | 13.95 |
| Sky Diver Factor | 87.27 | 89.49 |
| Thief | 7.1 | - |
| Fire Strike Factor | 8.23 | 14.11 |
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