Samsung Galaxy S9 vs Oppo A91

Samsung Galaxy S9 vs Oppo A91: Comparing the Samsung Galaxy S9 and the Oppo A91, two popular smartphones in the market, helps us understand their key differences and similarities. From design and display to camera capabilities and performance, let’s delve into the features that set these devices apart and help you make an informed decision.

Feature	Samsung Galaxy S9	Oppo A91
Display	5.8-inch Super AMOLED	6.4-inch AMOLED
Resolution	2960 x 1440 pixels	2400 x 1080 pixels
Processor	Exynos 9810 Octa-core	Mediatek MT6771V Helio P70 Octa-core
RAM	4 GB	8 GB
Storage	64/128/256 GB	128 GB
Expandable Storage	Yes (up to 400 GB)	Yes (up to 256 GB)
Main Camera	12 MP (f/1.5-2.4) Super Speed Dual Pixel	48 MP (f/1.8) 8 MP (f/2.2) ultrawide 2 MP (f/2.4) depth sensor 2 MP (f/2.4) macro lens
Front Camera	8 MP (f/1.7)	16 MP (f/2.0)
Video Recording	4K @ 30/60 fps	1080p @ 30 fps
Battery Capacity	3000 mAh	4025 mAh
Fast Charging	Yes (Quick Charge 2.0)	Yes (VOOC Flash Charge 3.0)
Wireless Charging	Yes (Qi-compatible)	No
Operating System	Android	Android
Dimensions	147.7 x 68.7 x 8.5 mm	160.2 x 73.3 x 7.9 mm
Weight	163 grams	172 grams
SIM Card	Nano-SIM	Dual SIM (Nano-SIM, dual stand-by)
Biometric Authentication	Fingerprint (rear-mounted), Iris scanner, Face recognition	In-display Fingerprint, Face recognition
Water and Dust Resistance	Yes (IP68)	No
Headphone Jack	Yes	Yes