Comparison of Radeon HD 7970 X2 and Radeon R9 M395X Mac [S]ave
| Attribute |  Radeon HD 7970 X2 × |  Radeon R9 M395X Mac × |
|---|---|---|
| GPU | ||
| Release year (year) | 2012 | 2015 |
| Reference card | AMD Radeon HD 7970 X2 925 MHz 6 GB | - |
| GPU brand | AMD | AMD |
| GPU name | New Zealand | Amethyst |
| Market | Desktop | Laptop |
| Clock speed (MHz) | 1,050 | 909 |
| Is dual GPU | + | - |
| Model | Radeon HD 7970 X2 | Radeon R9 M395X Mac |
| Memory | ||
| Memory (MB) | 6,144 | 4,096 |
| Memory bandwidth (GB/s) | 576 | 174.7 |
| Memory bus (bit) | 768 | 256 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,500 | 1,365 |
| Effective memory clock speed (MHz) | 6,000 | 5,460 |
| Noise and power | ||
| TDP (W) | 375 | 250 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 67.2 | 29.09 |
| Render output processors | 64 | 32 |
| Texture mapping units | 256 | 128 |
| Shading units | 4,096 | 2,048 |
| Floating-point performance (GFLOPS) | 4,301 | 3,723 |
| Compute units | 64 | 32 |
| Texture rate (GTexel/s) | 268.8 | 116.4 |
Help · Contact us · Disclaimer · Contributors · Developers · Donate