Key Differences
In short — Radeon R9 Nano outperforms GeForce 840M on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon R9 Nano is 533 days newer than GeForce 840M.
Advantages of NVIDIA GeForce 840M
- Consumes up to 81% less energy than AMD Radeon R9 Nano - 33 vs 175 Watts
Advantages of AMD Radeon R9 Nano
- Performs up to 107% better in The Witcher 3: Wild Hunt than GeForce 840M - 56 vs 27 FPS
- Up to 100% more VRAM memory than NVIDIA GeForce 840M - 4 vs 2 GB
The Witcher 3: Wild Hunt
Resolution
1920 x 1080
Game Graphics
Ultra+
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra+
Mobile • Mar 12th, 2014
Desktop • Aug 27th, 2015
Theoretical Performance
NVIDIA GeForce 840M | vs | AMD Radeon R9 Nano |
---|---|---|
Mar 12th, 2014 | Release Date | Aug 27th, 2015 |
GeForce 800M | 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 |
64-bit | Bus | 4096-bit |
16.02 GB/s | Bandwidth | 512 GB/s |
1029 MHz | Base Clock Speed | 1000 MHz |
1124 MHz | Boost Clock Speed | Not Available |
1001 MHz | Memory Clock Speed | 500 MHz |