Compared to the Snapdragon 820 processor, the Qualcomm Snapdragon 821 brings some new improvements like:
- Up-to 10% faster boot times and 5% in power savings
- App load times increase by up-to 10%
- Smoother scrolling, more responsive browsing performance
- CPU speeds has been improved by up-to 10 %
- GPU speeds has been increased by up-to 5%
- Support for new features including Snapdragon VR-SDK, Dual PD (PDAF), Extended Laser Auto-Focus, Android Nougat OS