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