Key Differences
In short — Radeon HD 7970M outperforms GeForce GT 640M on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon HD 7970M is 33 days newer than GeForce GT 640M.
Advantages of NVIDIA GeForce GT 640M
- Consumes up to 68% less energy than AMD Radeon HD 7970M - 32 vs 100 Watts
Advantages of AMD Radeon HD 7970M
- Performs up to 36% better in The Witcher 3: Wild Hunt than GeForce GT 640M - 34 vs 25 FPS
The Witcher 3: Wild Hunt
Resolution
1920 x 1080
Game Graphics
Ultra+
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra+
Mobile • Mar 22nd, 2012
Mobile • Apr 24th, 2012
Theoretical Performance
NVIDIA GeForce GT 640M | vs | AMD Radeon HD 7970M |
---|---|---|
Mar 22nd, 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 |
625 MHz | Base Clock Speed | 850 MHz |
Not Available | Boost Clock Speed | Not Available |
900 MHz | Memory Clock Speed | 1200 MHz |