The nova 3 and the nova 3i are premium Android smartphones, with the more expensive nova 3 having

a Kirin 970 processor, 6GB RAM, 128GB storage, dual 16+24MP rear camera and a 3750mAh battery.

The nova 3i has a Kirin 710 processor, 4GB of RAM, dual 16+2MP rear camera and a 3340mAh battery.

Both phones have a 6.3-inch, 19.5:9 2340x1080 IPS LCD and a dual 24+2MP front camera system.

Source : Youtube