Comparison of Radeon R7 250XE and Radeon HD 6770M Mac [S]ave
| Attribute |  Radeon R7 250XE × |  Radeon HD 6770M Mac × |
|---|---|---|
| GPU | ||
| Release year (year) | 2014 | 2011 |
| GPU brand | AMD | AMD |
| GPU name | Cape Verde | Whistler |
| Market | Desktop | Laptop |
| Clock speed (MHz) | 860 | 725 |
| Is dual GPU | - | - |
| Model | Radeon R7 250XE | Radeon HD 6770M Mac |
| Memory | ||
| Memory (MB) | 1,024 | 512 |
| Memory bandwidth (GB/s) | 72 | 57.6 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,125 | 900 |
| Effective memory clock speed (MHz) | 4,500 | 3,600 |
| Noise and power | ||
| TDP (W) | 80 | 35 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 13.76 | 5.8 |
| Render output processors | 16 | 8 |
| Texture mapping units | 40 | 24 |
| Shading units | 640 | 480 |
| Floating-point performance (GFLOPS) | 1,101 | 696 |
| Compute units | 10 | 6 |
| Texture rate (GTexel/s) | 34.4 | 17.4 |
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