Radeon HD 6770M vs Radeon HD 6450M
Summary
Reasons to consider Radeon HD 6770M |
| 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| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |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 6450M |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
HWBench recommends Radeon HD 6770M
Based on theoretical specifications.
Core Configuration
| Radeon HD 6770M | | Radeon HD 6450M | |
|---|
| GPU Name | Whistler (Whistler XT) | vs | Seymour (Seymour PRO) |
| Fab Process | 40 nm | vs | 40 nm |
| Die Size | 104 mm² | vs | 67 mm² |
| Transistors | 716 million | vs | 370 million |
| Shaders | 480 | vs | 160 |
| Compute Units | 6 | vs | 2 |
| Core clock | 725 MHz | vs | 600 MHz |
| ROPs | 8 | vs | 4 |
| TMUs | 24 | vs | 8 |
Memory Configuration
| Radeon HD 6770M | | Radeon HD 6450M | |
|---|
| Memory Type | GDDR5 | vs | DDR3 |
| Bus Width | 128 bit | vs | 64 bit |
| Memory Speed | 900 MHz
3600 MHz effective | vs | 800 MHz
1600 MHz effective |
| Memory Size | 1024 Mb | vs | 1024 Mb |
Additional details
| Radeon HD 6770M | | Radeon HD 6450M | |
|---|
| TDP | 35 watts | vs | 0 watts |
| Release Date | 4 Jan 2011 | vs | 4 Jan 2011 |
Radeon HD 6770M
5.80 GP/s
Radeon HD 6450M
2.40 GP/s
GigaPixels - higher is better
Radeon HD 6770M
17.40 GT/s
Radeon HD 6450M
4.80 GT/s
GigaTexels - higher is better
Radeon HD 6770M
57.60 GB/s
Radeon HD 6450M
12.80 GB/s
GB/s - higher is better
Radeon HD 6770M
696.00 GFLOPs
Radeon HD 6450M
192.00 GFLOPs
GFLOPs - higher is better