OPPO A39 vs OPPO A57

OPPO A39 OPPO A57

	OPPO A39	OPPO A57
Display	5.2-inch IPS LCD @ 1280 x 720 pixels, 282ppi	5.2-inch HD IPS display @ 720 x 1280 px, 282ppi
Processor	1.5GHz MediaTek MT6750 octa-core processor	1.4GHz Qualcomm Snapdragon 435 octa-core CPU
Memory	3GB RAM	3GB RAM
Battery	2900mAh non-removable battery	2,900mAh battery
Camera	13-megapixel autofocus rear camera w/ LED flash	13MP rear camera, f/2.2 aperture with PDAF, LED flash
OS	Android 5.1 Lollipop w/ Color OS 3.0	OPPO ColorOS 3.0 (based on Android 6 Marshmallow)