Oppo A91 vs Samsung Galaxy M31

Oppo A91 vs Samsung Galaxy M31: Looking to compare Oppo A91 and Samsung Galaxy M31? In this article, we’ll break down the key features and differences between these two popular smartphones. Discover which device offers a better camera, faster performance, longer battery life, and more. Read on to make an informed decision before purchasing your next smartphone.

Feature	Oppo A91	Samsung Galaxy M31
Display Size	6.4 inches	6.4 inches
Display Type	AMOLED	Super AMOLED
Resolution	1080 x 2400 pixels	1080 x 2340 pixels
Processor	Mediatek MT6771V Helio P70	Exynos 9611
RAM	8 GB	6 GB
Storage	128 GB	64/128 GB
Main Camera	48 MP (f/1.8) 8 MP (f/2.2) 2 MP (f/2.4) 2 MP (f/2.4)	64 MP (f/1.8) 8 MP (f/2.2) 5 MP (f/2.2) 5 MP (f/2.4)
Front Camera	16 MP (f/2.0)	32 MP (f/2.0)
Battery Capacity	4025 mAh	6000 mAh
Fast Charging	VOOC Flash Charge 3.0	15W Fast Charging
Operating System	Android 9.0 (Pie), ColorOS 6.1	Android 10, One UI 2.0
Fingerprint Sensor	In-display	Rear-mounted
Face Unlock	Yes	Yes
Headphone Jack	Yes	Yes
MicroSD Slot	Yes (up to 256 GB)	Yes (dedicated slot, up to 512 GB)
SIM Card	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
Weight	172 g	191 g
Dimensions	160.2 x 73.3 x 7.9 mm	159.2 x 75.1 x 8.9 mm