Radeon HD 6970M vs Radeon HD 6870M
Summary
Reasons to consider Radeon HD 6970M |
| Higher theoretical gaming performance, based on specifications. |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider Radeon HD 6870M |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
HWBench recommends Radeon HD 6970M
Based on theoretical specifications.
Core Configuration
| Radeon HD 6970M | | Radeon HD 6870M | |
|---|
| GPU Name | Blackcomb (Blackcomb XT) | vs | Granville (Granville XT) |
| Fab Process | 40 nm | vs | 40 nm |
| Die Size | 212 mm² | vs | 166 mm² |
| Transistors | 1,700 million | vs | 1,040 million |
| Shaders | 960 | vs | 800 |
| Compute Units | 12 | vs | 10 |
| Core clock | 680 MHz | vs | 675 MHz |
| ROPs | 32 | vs | 16 |
| TMUs | 48 | vs | 40 |
Memory Configuration
| Radeon HD 6970M | | Radeon HD 6870M | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 256 bit | vs | 128 bit |
| Memory Speed | 900 MHz
3600 MHz effective | vs | 1000 MHz
4000 MHz effective |
| Memory Size | 1024 Mb | vs | 1024 Mb |
Additional details
| Radeon HD 6970M | | Radeon HD 6870M | |
|---|
| TDP | 75 watts | vs | 50 watts |
| Release Date | 4 Jan 2011 | vs | 4 Jan 2011 |
Radeon HD 6970M
21.76 GP/s
Radeon HD 6870M
10.80 GP/s
GigaPixels - higher is better
Radeon HD 6970M
32.60 GT/s
Radeon HD 6870M
27.00 GT/s
GigaTexels - higher is better
Radeon HD 6970M
115.20 GB/s
Radeon HD 6870M
64.00 GB/s
GB/s - higher is better
Radeon HD 6970M
1305.60 GFLOPs
Radeon HD 6870M
1080.00 GFLOPs
GFLOPs - higher is better