Radeon HD 7970 vs Radeon HD 7870 GHz Edition
Summary
Reasons to consider Radeon HD 7970 |
| 35% higher gaming performance. |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |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 HD 7870 GHz Edition |
| 75 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7970 . |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
HWBench recommends Radeon HD 7970
The Radeon HD 7970 is the better performing card based on the game benchmark suite used (60 combinations of games and resolutions).
Core Configuration
| Radeon HD 7970 | | Radeon HD 7870 GHz Edition | |
|---|
| GPU Name | Tahiti (Tahiti XT) | vs | Pitcairn (Pitcairn XT) |
| Fab Process | 28 nm | vs | 28 nm |
| Die Size | 352 mm² | vs | 212 mm² |
| Transistors | 4,313 million | vs | 2,800 million |
| Shaders | 2048 | vs | 1280 |
| Compute Units | 32 | vs | 20 |
| Core clock | 925 MHz | vs | 1000 MHz |
| ROPs | 32 | vs | 32 |
| TMUs | 128 | vs | 80 |
Memory Configuration
| Radeon HD 7970 | | Radeon HD 7870 GHz Edition | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 384 bit | vs | 256 bit |
| Memory Speed | 1375 MHz
5500 MHz effective | vs | 1200 MHz
4800 MHz effective |
| Memory Size | 3072 Mb | vs | 2048 Mb |
Additional details
| Radeon HD 7970 | | Radeon HD 7870 GHz Edition | |
|---|
| TDP | 250 watts | vs | 175 watts |
| Release Date | 22 Dec 2011 | vs | 5 Mar 2012 |
GigaPixels - higher is better
GigaTexels - higher is better
GFLOPs - higher is better
Points (higher is better)
DX11, Ultra Quality,2x MSAA,16x AF, HBAO
FPS (higher is better)
DX11, Ultra Quality,DDOD, FX AA
FPS (higher is better)
DX11,Very High Quality, FXAA
FPS (higher is better)
DX11, Ultra Quality, 4xMSAA
FPS (higher is better)
DX11, AAA standard, 16xAF, Motion Blur normal, Tesselation normal
FPS (higher is better)