Radeon HD 7870 GHz Edition vs Radeon R9 285
Summary
Reasons to consider Radeon HD 7870 GHz 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |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 285 |
| This is a much newer product, it might have better long term support. |
| Around 30% higher average synthetic performance. |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |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 285
The Radeon R9 285 is the better performing card based on the synthetic benchmarks used (1 benchmarks).
Core Configuration
| Radeon HD 7870 GHz Edition | | Radeon R9 285 | |
|---|
| GPU Name | Pitcairn (Pitcairn XT) | vs | Tonga (Tonga PRO) |
| 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 | 1792 |
| Compute Units | 20 | vs | 28 |
| Core clock | 1000 MHz | vs | 918 MHz |
| ROPs | 32 | vs | 32 |
| TMUs | 80 | vs | 112 |
Memory Configuration
| Radeon HD 7870 GHz Edition | | Radeon R9 285 | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 256 bit | vs | 256 bit |
| Memory Speed | 1200 MHz
4800 MHz effective | vs | 1375 MHz
5500 MHz effective |
| Memory Size | 2048 Mb | vs | 2048 Mb |
Additional details
| Radeon HD 7870 GHz Edition | | Radeon R9 285 | |
|---|
| TDP | 175 watts | vs | 190 watts |
| Release Date | 5 Mar 2012 | vs | 2 Sep 2014 |
GigaPixels - higher is better
GigaTexels - higher is better
GFLOPs - higher is better
Points (higher is better)