Radeon HD 6870 vs Radeon HD 7790
Summary
Radeon HD 6870
100%
Radeon HD 7790
134%
Relative performance
Radeon HD 6870
100%
Radeon HD 7790
121%
Relative performance
Reasons to consider Radeon HD 6870 |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider Radeon HD 7790 |
| 21% higher gaming performance. |
| 66 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 6870 . |
| This is a much newer product, it might have better long term support. |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |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 HD 7790
The Radeon HD 7790 is the better performing card based on the game benchmark suite used (5 combinations of games and resolutions).
Core Configuration
| Radeon HD 6870 | | Radeon HD 7790 | |
|---|
| GPU Name | Barts (Barts XT) | vs | Bonaire (Bonaire XT) |
| Fab Process | 40 nm | vs | 28 nm |
| Die Size | 255 mm² | vs | 160 mm² |
| Transistors | 1,700 million | vs | 2,080 million |
| Shaders | 1120 | vs | 896 |
| Compute Units | 14 | vs | 14 |
| Core clock | 900 MHz | vs | 1000 MHz |
| ROPs | 32 | vs | 16 |
| TMUs | 56 | vs | 56 |
Memory Configuration
| Radeon HD 6870 | | Radeon HD 7790 | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 256 bit | vs | 128 bit |
| Memory Speed | 1050 MHz
4200 MHz effective | vs | 1500 MHz
6000 MHz effective |
| Memory Size | 1024 Mb | vs | 1024 Mb |
Additional details
| Radeon HD 6870 | | Radeon HD 7790 | |
|---|
| TDP | 151 watts | vs | 85 watts |
| Release Date | 21 Oct 2010 | vs | 22 Mar 2013 |
Radeon HD 6870
28.80 GP/s
Radeon HD 7790
16.00 GP/s
GigaPixels - higher is better
Radeon HD 6870
50.40 GT/s
Radeon HD 7790
56.00 GT/s
GigaTexels - higher is better
Radeon HD 6870
134.00 GB/s
Radeon HD 7790
96.00 GB/s
GB/s - higher is better
Radeon HD 6870
2016.00 GFLOPs
Radeon HD 7790
1792.00 GFLOPs
GFLOPs - higher is better
Radeon HD 6870
4540
Radeon HD 7790
6110
Points (higher is better)
DX11, Ultra Quality,2x MSAA,16x AF, HBAO
Radeon HD 6870
23
Radeon HD 7790
33
FPS (higher is better)
DX11, Ultra Quality,DDOD, FX AA
Radeon HD 6870
29
Radeon HD 7790
33
FPS (higher is better)
DX11,Very High Quality, FXAA
Radeon HD 6870
17
Radeon HD 7790
21
FPS (higher is better)
DX11, Ultra Quality, 4xMSAA
Radeon HD 6870
25
Radeon HD 7790
30
FPS (higher is better)
DX11, Ultra, DDOD, FXAA
Radeon HD 6870
18
Radeon HD 7790
19
FPS (higher is better)