Modestly more battery power
2100 mAh vs 1900 mAh—10.53% more battery power
Substantially faster CPU clock speed
4 x 1.4 GHz
2 x 1.7 GHz
4 x 1.4 GHz vs 2 x 1.7 GHz—1.65x faster CPU clock speed
Higher pixel density
306 ppi vs 256 ppi—19.53% higher pixel density
Sizably higher resolution
1280x720 px vs 960x540 px—1.78x higher resolution
More RAM memory
2 GB vs 1.5 GB—0.50 GB more RAM memory
Bigger screen size
4.8 " vs 4.3 "—11.63% bigger screen size. The bigger the screen size is, the better the user experience.
Has branded damage resistant glass
Damage resistant glass (such as Corning Gorilla Glass or Asahi Dragontail Glass) is thin and lightweight, and can withstand high levels of force.
Clearly more internal storage
16 GB vs 8 GB—8 GB more internal storage
Has a BSI sensor
A BSI (backside illuminated) sensor is a camera image sensor which captures better quality images in poor lighting conditions, and offers better overall sharpness and image quality.
Considerably faster uploads
50 MBits/s vs 5.76 MBits/s—8.68x faster uploads
Has a video light
A video light helps when recording a movie in low-light situation like a party.
Significantly lower SAR for head (EU)
0.24 W/kg vs 0.33 W/kg—0.09 W/kg lower SAR for head (EU). SAR (Specific Absorption Rate) describes how much radio frequency energy emitted by the device will be absorbed by your body. The rate is measured at head level. The legal limit is 2.0 W/kg in the EU.
8.6 mm vs 8.94 mm—0.34 mm thinner