Radeon HD 7770 GHz Edition vs Radeon HD 7870 XT
Summary
Reasons to consider Radeon HD 7770 GHz Edition |
| 105 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7870 XT . |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |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 XT |
| 110% higher gaming performance. |
| This is a much newer product, it might have better long term support. |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |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 7870 XT
The Radeon HD 7870 XT is the better performing card based on the game benchmark suite used (3 combinations of games and resolutions).
Core Configuration
| Radeon HD 7770 GHz Edition | | Radeon HD 7870 XT | |
|---|
| GPU Name | Cape Verde (Cape Verde XT) | vs | Tahiti (Tahiti LE) |
| Fab Process | 28 nm | vs | 28 nm |
| Die Size | 123 mm² | vs | 352 mm² |
| Transistors | 1,500 million | vs | 4,313 million |
| Shaders | 640 | vs | 1536 |
| Compute Units | 10 | vs | 24 |
| Core clock | 1000 MHz | vs | 925 MHz |
| ROPs | 16 | vs | 32 |
| TMUs | 40 | vs | 96 |
Memory Configuration
| Radeon HD 7770 GHz Edition | | Radeon HD 7870 XT | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 128 bit | vs | 256 bit |
| Memory Speed | 1125 MHz
4500 MHz effective | vs | 1500 MHz
6000 MHz effective |
| Memory Size | 1024 Mb | vs | 2048 Mb |
Additional details
| Radeon HD 7770 GHz Edition | | Radeon HD 7870 XT | |
|---|
| TDP | 80 watts | vs | 185 watts |
| Release Date | 15 Feb 2012 | vs | 19 Nov 2012 |
GigaPixels - higher is better
GigaTexels - higher is better
GFLOPs - higher is better
Points (higher is better)
DX11, Ultra Quality,DDOD, FX AA
FPS (higher is better)
DX11,Very High Quality, FXAA
FPS (higher is better)
DX11, High Quality, 2x MSAA, 16x AF
FPS (higher is better)