Key Differences
In short — Radeon HD 7970M outperforms GeForce GT 645M on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon HD 7970M is 160 days older than GeForce GT 645M.
Advantages of NVIDIA GeForce GT 645M
- Consumes up to 68% less energy than AMD Radeon HD 7970M - 32 vs 100 Watts
Advantages of AMD Radeon HD 7970M
- Performs up to 21% better in Total War: WARHAMMER III than GeForce GT 645M - 29 vs 24 FPS
Total War: WARHAMMER III
Resolution
1920 x 1080
Game Graphics
Ultra
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Mobile • Oct 1st, 2012
Mobile • Apr 24th, 2012
Theoretical Performance
Mobile • Oct 1st, 2012
Pixel Fillrate
5.672 GPixel/s
20%
Texel Fillrate
22.69 GTexel/s
33%
NVIDIA GeForce GT 645M | vs | AMD Radeon HD 7970M |
---|---|---|
Oct 1st, 2012 | Release Date | Apr 24th, 2012 |
GeForce 600M | Generation | London |
Not Available | MSRP | Not Available |
None | Outputs | None |
None | Power Connectors | None |
Mobile | Segment | Mobile |
2 GB | Memory | 2 GB |
DDR3 | Type | GDDR5 |
128-bit | Bus | 256-bit |
28.8 GB/s | Bandwidth | 153.6 GB/s |
709 MHz | Base Clock Speed | 850 MHz |
Not Available | Boost Clock Speed | Not Available |
900 MHz | Memory Clock Speed | 1200 MHz |