Key Differences
In short — Radeon R9 Nano 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 R9 Nano is 1253 days newer than GeForce GT 640M.
Advantages of NVIDIA GeForce GT 640M
- Consumes up to 82% less energy than AMD Radeon R9 Nano - 32 vs 175 Watts
Advantages of AMD Radeon R9 Nano
- Performs up to 108% better in F1 22 than GeForce GT 640M - 83 vs 40 FPS
- Up to 100% more VRAM memory than NVIDIA GeForce GT 640M - 4 vs 2 GB
F1 22
Resolution
1920 x 1080
Game Graphics
Ultra High
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra High
GeForce GT 640M
Mobile • Mar 22nd, 2012
Radeon R9 Nano
Desktop • Aug 27th, 2015
Theoretical Performance
NVIDIA GeForce GT 640M | vs | AMD Radeon R9 Nano |
|---|---|---|
| Mar 22nd, 2012 | Release Date | Aug 27th, 2015 |
| GeForce 600M | Generation | Pirate Islands |
| Not Available | MSRP | $649 |
| None | Outputs | 1x HDMI, 3x DisplayPort |
| None | Power Connectors | 1x 8-pin |
Mobile | Segment | Desktop |
| 2 GB | Memory | 4 GB |
| DDR3 | Type | HBM |
| 128-bit | Bus | 4096-bit |
| 28.8 GB/s | Bandwidth | 512 GB/s |
| 625 MHz | Base Clock Speed | 1000 MHz |
| Not Available | Boost Clock Speed | Not Available |
900 MHz | Memory Clock Speed | 500 MHz |
