I will recommend you Realme 1 which offers great processor with better performance. It also has more storage capacity and face unlock.
You can also check the complete comparison here:
Check the Best phones under 10,000 : Best phones under 10K
Xiaomi Redmi Y1 vs Xiaomi Redmi 4 16GB
Both the phones have their pros and cons,lets analyze both:
Advantages of Xiaomi Redmi Y1:-
1.More RAM:-More RAM means more applications can run at the same time, which makes the device faster.
2.Bigger Screen:-Reading, browsing internet and watching movies is more pleasing experience on a bigger screen.
3.Slimmer:-Slimmer devices are easier to carry
4.More Storage Capacity:-More memory allows you to store more songs, videos, photos and install more applications.
Advantages of Xiaomi Redmi 4:-
1.Bigger Battery:-It can generally last more time.
Verdict - In my opinion,Xiaomi Redmi Y1 is better overall performance and price ,if you need Bigger battery you can go for Xiaomi Redmi 4.
You can also compare these devices on 91mobiles
In my opinion Xiaomi Redmi Y1 is best in specifications and overall it has powerful performance.
Check the link hereXiaomi Redmi Y1 vs Xiaomi Redmi 4 16GB
Ram Niwas Goel
In my suggestions you should go for Lenovo Z2 Plus as it has great specs and overall best performance .