Oppo A9 vs Oppo A91

Oppo A9 vs Oppo A91: Looking to compare Oppo A9 and Oppo A91? Read on to find out the key differences between these two smartphones.

Feature	Oppo A9	Oppo A91
Display Size	6.5 inches	6.4 inches
Display Type	IPS LCD	AMOLED
Resolution	1080 x 2340 pixels	1080 x 2400 pixels
Processor	Mediatek MT6771V Helio P70	Mediatek MT6771V Helio P70
RAM	4 GB	8 GB
Internal Storage	128 GB	128 GB
Main Camera	16 MP + 2 MP + 2 MP + 0.3 MP	48 MP + 8 MP + 2 MP + 2 MP
Front Camera	16 MP	16 MP
Battery Capacity	5000 mAh	4025 mAh
Operating System	Android 9.0 (Pie), ColorOS 6.1	Android 9.0 (Pie), ColorOS 6.1
Fast Charging	Yes, 18W	Yes, 20W
Fingerprint Sensor	Rear-mounted	In-display
Dimensions	162 x 76.1 x 8.3 mm	160.2 x 73.3 x 7.9 mm
Weight	195 g	172 g
SIM Card	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
Headphone Jack	Yes	Yes
Colors	Marble Green, Fluorite Purple	Dark Blue, Red