Key Differences
In short — Radeon HD 7990 outperforms GeForce 840M on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon HD 7990 is 322 days older than GeForce 840M.
Advantages of NVIDIA GeForce 840M
- Consumes up to 91% less energy than AMD Radeon HD 7990 - 33 vs 375 Watts
Advantages of AMD Radeon HD 7990
- Performs up to 17% better in Sea of Thieves than GeForce 840M - 101 vs 86 FPS
- Up to 50% more VRAM memory than NVIDIA GeForce 840M - 3 vs 2 GB
Sea of Thieves
Resolution
1920 x 1080
Game Graphics
Mythical
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Mythical
GeForce 840M
Mobile • Mar 12th, 2014
Radeon HD 7990
Desktop • Apr 24th, 2013
Theoretical Performance
NVIDIA GeForce 840M | vs | AMD Radeon HD 7990 |
|---|---|---|
Mar 12th, 2014 | Release Date | Apr 24th, 2013 |
| GeForce 800M | 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 |
| DDR3 | Type | GDDR5 |
| 64-bit | Bus | 384-bit |
| 16.02 GB/s | Bandwidth | 288 GB/s |
1029 MHz | Base Clock Speed | 950 MHz |
1124 MHz | Boost Clock Speed | 1000 MHz |
| 1001 MHz | Memory Clock Speed | 1500 MHz |
