Graphics card comparison
Radeon HD 6670 vs Radeon HD 6770 Green Edition
AMD
Radeon HD 6670
1024 Mb GDDR5
Released 19 Apr 2011
DESKTOP
VS
AMD
Radeon HD 6770 Green Edition
2048 Mb GDDR3
Released 19 Apr 2013
DESKTOP
Summary
Reasons to consider the Radeon HD 6670
- Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications
Reasons to consider the Radeon HD 6770 Green Edition
- 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- Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications
Our verdict
No clear winner declared
We have no data to declare a winner at this time.
Specifications
Core configuration
| Radeon HD 6670 | Radeon HD 6770 Green Edition |
|---|
| GPU Name | Turks (Turks XT) | Juniper (Juniper PRO) |
| Fab Process | 40 nm | 40 nm |
| Die Size | 118 mm² | 166 mm² |
| Transistors | 716 million | 1,040 million |
| Shaders | 480 | 720 |
| Compute Units | 6 | 9 |
| Core clock | 800 MHz | 700 MHz |
| ROPs | 8 | 16 |
| TMUs | 24 | 36 |
Memory configuration
| Radeon HD 6670 | Radeon HD 6770 Green Edition |
|---|
| Memory Type | GDDR5 | GDDR3 |
| Bus Width | 128 bit | 128 bit |
| Memory Speed | 1000 MHz
4000 MHz effective | 667 MHz
1334 MHz effective |
| Memory Size | 1024 Mb | 2048 Mb |
Additional details
| Radeon HD 6670 | Radeon HD 6770 Green Edition |
|---|
| TDP | 66 watts | 86 watts |
| Release Date | 19 Apr 2011 | 19 Apr 2013 |
Raw performance comparison
Pixel Rate
- Radeon HD 66706.40 GP/s
- Radeon HD 6770 Green Edition11.20 GP/s
GigaPixels - higher is better
Texel Rate
- Radeon HD 667019.20 GT/s
- Radeon HD 6770 Green Edition25.20 GT/s
GigaTexels - higher is better
Memory bandwidth
- Radeon HD 667064.00 GB/s
- Radeon HD 6770 Green Edition21.30 GB/s
GB/s - higher is better
Single precision performance
- Radeon HD 6670768.00 GFLOPs
- Radeon HD 6770 Green Edition1008.00 GFLOPs
GFLOPs - higher is better