Key Differences
In short — Radeon HD 7950 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 7950 is 51 days older than GeForce GT 640M.
Advantages of NVIDIA GeForce GT 640M
- Consumes up to 84% less energy than AMD Radeon HD 7950 - 32 vs 200 Watts
Advantages of AMD Radeon HD 7950
- Performs up to 18% better in Saints Row than GeForce GT 640M - 47 vs 40 FPS
- Up to 50% more VRAM memory than NVIDIA GeForce GT 640M - 3 vs 2 GB
Saints Row
Resolution
1920 x 1080
Game Graphics
Ultra
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
GeForce GT 640M
Mobile • Mar 22nd, 2012
Radeon HD 7950
Desktop • Jan 31st, 2012
Theoretical Performance
Radeon HD 7950
Desktop • Jan 31st, 2012
Pixel Fillrate
25.6 GPixel/s
100%
Texel Fillrate
89.6 GTexel/s
100%
NVIDIA GeForce GT 640M | vs | AMD Radeon HD 7950 |
|---|---|---|
Mar 22nd, 2012 | Release Date | Jan 31st, 2012 |
| GeForce 600M | Generation | Southern Islands |
| Not Available | MSRP | $449 |
| None | Outputs | 1x DVI, 1x HDMI, 2x mini-DisplayPort |
| None | Power Connectors | 2x 6-pin |
Mobile | Segment | Desktop |
| 2 GB | Memory | 3 GB |
| DDR3 | Type | GDDR5 |
| 128-bit | Bus | 384-bit |
| 28.8 GB/s | Bandwidth | 240 GB/s |
| 625 MHz | Base Clock Speed | 800 MHz |
| Not Available | Boost Clock Speed | Not Available |
| 900 MHz | Memory Clock Speed | 1250 MHz |
