Key Differences
In short — Radeon HD 7990 outperforms GeForce GT 640M LE on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon HD 7990 is 355 days newer than GeForce GT 640M LE.
Advantages of NVIDIA GeForce GT 640M LE
- Consumes up to 91% less energy than AMD Radeon HD 7990 - 32 vs 375 Watts
Advantages of AMD Radeon HD 7990
- Performs up to 9% better in Minecraft than GeForce GT 640M LE - 540 vs 497 FPS
- Up to 50% more VRAM memory than NVIDIA GeForce GT 640M LE - 3 vs 2 GB
Minecraft
Resolution
1920 x 1080
Game Graphics
High
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High
GeForce GT 640M LE
Mobile • May 4th, 2012
Radeon HD 7990
Desktop • Apr 24th, 2013
Theoretical Performance
GeForce GT 640M LE
Mobile • May 4th, 2012
Pixel Fillrate
3.012 GPixel/s
9.4125%
Texel Fillrate
12.05 GTexel/s
9.4140625%
NVIDIA GeForce GT 640M LE | vs | AMD Radeon HD 7990 |
|---|---|---|
| May 4th, 2012 | Release Date | Apr 24th, 2013 |
| GeForce 600M | Generation | Southern Islands |
| Not Available | MSRP | $999 |
| None | Outputs | 1x DVI, 4x mini-DisplayPort |
| None | Power Connectors | 2x 8-pin |
Mobile | Segment | Desktop |
| 2 GB | Memory | 3 GB |
| GDDR5 | Type | GDDR5 |
| 128-bit | Bus | 384-bit |
| 50.24 GB/s | Bandwidth | 288 GB/s |
| 753 MHz | Base Clock Speed | 950 MHz |
| Not Available | Boost Clock Speed | 1000 MHz |
| 785 MHz | Memory Clock Speed | 1500 MHz |
