Radeon HD 7970M vs Radeon R9 M395X Mac Edition
Summary
Reasons to consider Radeon HD 7970M |
| 150 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon R9 M395X Mac Edition . |
| Supports Direct3D 12 Async Compute |
| Supports ReLive (allows game streaming/recording with minimum performance penalty) |
| Supports Mantle |
| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
Reasons to consider Radeon R9 M395X Mac Edition |
| This is a much newer product, it might have better long term support. |
| Higher theoretical gaming performance, based on specifications. |
| Supports Direct3D 12 Async Compute |
| Supports FreeSync |
| Supports ReLive (allows game streaming/recording with minimum performance penalty) |
| Supports TrueAudio |
| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
HWBench recommends Radeon R9 M395X Mac Edition
Based on theoretical specifications.
Core Configuration
| Radeon HD 7970M | | Radeon R9 M395X Mac Edition | |
|---|
| GPU Name | Wimbledon (Wimbledon XT) | vs | Amethyst (Amethyst XT) |
| Fab Process | 28 nm | vs | 28 nm |
| Die Size | 212 mm² | vs | 366 mm² |
| Transistors | 2,800 million | vs | 5,000 million |
| Shaders | 1280 | vs | 2048 |
| Compute Units | 20 | vs | 32 |
| Core clock | 850 MHz | vs | 909 MHz |
| ROPs | 32 | vs | 32 |
| TMUs | 80 | vs | 128 |
Memory Configuration
| Radeon HD 7970M | | Radeon R9 M395X Mac Edition | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 256 bit | vs | 256 bit |
| Memory Speed | 1200 MHz
4800 MHz effective | vs | 1365 MHz
5460 MHz effective |
| Memory Size | 2048 Mb | vs | 4096 Mb |
Additional details
| Radeon HD 7970M | | Radeon R9 M395X Mac Edition | |
|---|
| TDP | 100 watts | vs | 250 watts |
| Release Date | 24 Apr 2012 | vs | 5 May 2015 |
GigaPixels - higher is better
GigaTexels - higher is better
GFLOPs - higher is better