Steps to Disable App notification
1. Go to settings.
2.Then go to Applications.
3.Select the app for which you want to disable notification.
4. Tab on Show Notification checkbox.
5. Your device will prompt a message to confirm select OK and you are done.
You can check the complete specs of this phone: InFocus Vision 3
XIaomi Redmi 4 has a 1.4 GHz OctaCore, Snapdragon processor is much faster than that of 1.3 GHz MediaTek Mt6737 Infocus Vision 3 as discussed further in the benchmark scores of both the devices:-
Antutu Benchmark for Xiaomi Redmi 4 is 42,989 Infocus Vision 3 is 32,633 (Higher the better).
Geekbench (Single Core score) for Xiaomi Redmi 4 is 664 and Infocus Vision 3 is not yet specified. (Higher the better).
Xiaomi Redmi 4 also provides a better 4100 mAh battery in comparison to 4000 mAh battery in Infocus Vision 3. Bigger battery capacity provides a better on screen time.of 8-10 hours which is incredibly good.
The only thing that keeps Infocus Vision 3 in competition is its bigger screen and a better 720*1440 px screen resolution
You can check all the detailed information using the following link Xiaomi redmi 4 vs Infocus Vision 3
Out of Realme 2 and Infocus Vision 3, Realme 2 is better as it has a bigger screen, better processor, more RAM, and almost double storage.
To see the complete comparison here: Infocus Vision 3 vs Realme 2