Redmi 3s for me although under clocked from 1.4ghz (Redmi 3 Pro has 1.5ghz afaik) which is -0.1 ghz.
3s SD 430 has true octacore cpu, better than 3 pro SD616 has big little architecture
3s SD 430 has adreno 505 gpu, better than 3pro has adreno 405
3s SD 430 32/3gb variant has emmc 5.1,faster...