Radeon HD 6490M vs Radeon HD 6450A
Summary
Reasons to consider Radeon HD 6490M |
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Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |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 6450A |
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
HWBench recommends Radeon HD 6490M
Based on theoretical specifications.
Core Configuration
| Radeon HD 6490M | | Radeon HD 6450A | |
---|
GPU Name | Seymour (Seymour XTX) | vs | Caicos () |
Fab Process | 40 nm | vs | 40 nm |
Die Size | 67 mm² | vs | 67 mm² |
Transistors | 370 million | vs | 370 million |
Shaders | 160 | vs | 160 |
Compute Units | 2 | vs | 2 |
Core clock | 800 MHz | vs | 625 MHz |
ROPs | 4 | vs | 4 |
TMUs | 8 | vs | 8 |
Memory Configuration
| Radeon HD 6490M | | Radeon HD 6450A | |
---|
Memory Type | GDDR5 | vs | DDR3 |
Bus Width | 64 bit | vs | 64 bit |
Memory Speed | 800 MHz
3200 MHz effective | vs | 533 MHz
1066 MHz effective |
Memory Size | 512 Mb | vs | 512 Mb |
Additional details
| Radeon HD 6490M | | Radeon HD 6450A | |
---|
TDP | 0 watts | vs | 25 watts |
Release Date | 4 Jan 2011 | vs | 7 Apr 2011 |
Radeon HD 6490M
3.20 GP/s
Radeon HD 6450A
2.50 GP/s
GigaPixels - higher is better
Radeon HD 6490M
6.40 GT/s
Radeon HD 6450A
5.00 GT/s
GigaTexels - higher is better
Radeon HD 6490M
25.60 GB/s
Radeon HD 6450A
8.53 GB/s
GB/s - higher is better
Radeon HD 6490M
256.00 GFLOPs
Radeon HD 6450A
200.00 GFLOPs
GFLOPs - higher is better