Radeon HD 6790 vs Radeon HD 6770 Green Edition
Summary
Reasons to consider Radeon HD 6790 |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider Radeon HD 6770 Green Edition |
| 64 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 6790 . |
| This is a much newer product, it might have better long term support. |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
No clear winner declared
We have no data to declare a winner at this time.
Core Configuration
| Radeon HD 6790 | | Radeon HD 6770 Green Edition | |
|---|
| GPU Name | Barts (Barts LE) | vs | Juniper (Juniper PRO) |
| Fab Process | 40 nm | vs | 40 nm |
| Die Size | 255 mm² | vs | 166 mm² |
| Transistors | 1,700 million | vs | 1,040 million |
| Shaders | 800 | vs | 720 |
| Compute Units | 10 | vs | 9 |
| Core clock | 840 MHz | vs | 700 MHz |
| ROPs | 16 | vs | 16 |
| TMUs | 40 | vs | 36 |
Memory Configuration
| Radeon HD 6790 | | Radeon HD 6770 Green Edition | |
|---|
| Memory Type | GDDR5 | vs | GDDR3 |
| Bus Width | 256 bit | vs | 128 bit |
| Memory Speed | 1050 MHz
4200 MHz effective | vs | 667 MHz
1334 MHz effective |
| Memory Size | 1024 Mb | vs | 2048 Mb |
Additional details
| Radeon HD 6790 | | Radeon HD 6770 Green Edition | |
|---|
| TDP | 150 watts | vs | 86 watts |
| Release Date | 4 Apr 2011 | vs | 19 Apr 2013 |
GigaPixels - higher is better
GigaTexels - higher is better
GFLOPs - higher is better