Oppo A91 vs Samsung Galaxy M31 Prime Edition

Oppo A91 vs Samsung Galaxy M31 Prime Edition: Comparing the Oppo A91 and Samsung Galaxy M31 Prime Edition, two popular smartphones in the market. Find out which device offers better features, performance, and value for money.

Feature	Oppo A91	Samsung Galaxy M31 Prime Edition
Battery Life	4000 mAh	6000 mAh
RAM	8 GB	6 GB
Storage	128 GB	64/128 GB
Main Camera	48 MP wide (f/1.8) 8 MP ultra-wide (f/2.2) 2 MP depth (f/2.4) 2 MP macro (f/2.4)	64 MP wide (f/1.8) 8 MP ultra-wide (f/2.2) 5 MP depth (f/2.2) 5 MP macro (f/2.4)
Front Camera	16 MP (f/2.0)	32 MP (f/2.0)
Video Recording	4K @ 30fps	4K @ 30fps
Battery Capacity	4000 mAh	6000 mAh
Display	6.4 inches AMOLED	6.4 inches Super AMOLED
Display Resolution	1080 x 2400 pixels	1080 x 2340 pixels
Processor	Mediatek MT6771V Helio P70	Exynos 9611
MicroSD Support	Yes (up to 256 GB)	Yes (up to 512 GB)
Fast Charging	VOOC 3.0 (20W)	15W
Wireless Charging	No	No
SIM Card	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
5G Support	No (4G LTE)	No (4G LTE)
Fingerprint Sensor	Under-display optical	Rear-mounted
Operating System	Android (ColorOS)	Android (One UI)