With the ARM’s Cortex A72 based lead cores Redmi Note 3 is exceptionally fast. The Cortex A72 delivers more power and is more power efficient. The retina ready, elegant sheen of metal on Redmi Note 3 is very sturdy and strong. The battery for this device is a mind boggling 4050mAh. The battery is very thin and light in weight. The energy density is the highest used in the world at a staggering 690 Wh/L.
There is a fingerprint sensor that immediately unlocks almost instantly (0.3 seconds) when the finger is placed on the screen. Look at the world through the lens of this Redmi Note 3. The focussing is very fast- it has a 16MP PDAF rear camera with dual ISPs for higher quality image processing.