Key Differences
In short — Radeon R9 390 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 390 is 1183 days newer than GeForce GT 640M.
Advantages of NVIDIA GeForce GT 640M
- Consumes up to 88% less energy than AMD Radeon R9 390 - 32 vs 275 Watts
Advantages of AMD Radeon R9 390
- Performs up to 23% better in Shadow of the Tomb Raider: Definitive Edition than GeForce GT 640M - 114 vs 93 FPS
- Up to 300% more VRAM memory than NVIDIA GeForce GT 640M - 8 vs 2 GB
Shadow of the Tomb Raider: Definitive Edition
Resolution
1920 x 1080
Game Graphics
Highest
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Highest
GeForce GT 640M
Mobile • Mar 22nd, 2012
Radeon R9 390
Desktop • Jun 18th, 2015
Theoretical Performance
GeForce GT 640M
Mobile • Mar 22nd, 2012
Pixel Fillrate
5 GPixel/s
7.8125%
Texel Fillrate
20 GTexel/s
12.5%
NVIDIA GeForce GT 640M | vs | AMD Radeon R9 390 |
|---|---|---|
| Mar 22nd, 2012 | Release Date | Jun 18th, 2015 |
| GeForce 600M | Generation | Pirate Islands |
| Not Available | MSRP | $329 |
| None | Outputs | 2x DVI, 1x HDMI, 1x DisplayPort |
| None | Power Connectors | 1x 6-pin + 1x 8-pin |
Mobile | Segment | Desktop |
| 2 GB | Memory | 8 GB |
| DDR3 | Type | GDDR5 |
| 128-bit | Bus | 512-bit |
| 28.8 GB/s | Bandwidth | 384 GB/s |
| 625 MHz | Base Clock Speed | 1000 MHz |
| Not Available | Boost Clock Speed | Not Available |
| 900 MHz | Memory Clock Speed | 1500 MHz |
