Samsung Galaxy A9 2018 vs Oppo A91

Samsung Galaxy A9 2018 vs Oppo A91: Compare the Samsung Galaxy A9 2018 and Oppo A91 to find out which smartphone is the better choice for you. Explore their features, specifications, and performance to make an informed decision. Discover the key differences between these two popular devices.

Feature	Samsung Galaxy A9 2018	Oppo A91
Display	6.3-inch Super AMOLED	6.4-inch AMOLED
Resolution	1080 x 2220 pixels	1080 x 2400 pixels
Processor	Octa-core (4×2.2 GHz Kryo 260 + 4×1.8 GHz Kryo 260)	Octa-core (2×2.2 GHz Cortex-A75 + 6×2.0 GHz Cortex-A55)
RAM	6 GB or 8 GB	8 GB
Storage	128 GB	128 GB
Main Camera	24 MP, f/1.7, PDAF 8 MP, f/2.4, 12mm (ultrawide) 10 MP f/2.4, 2x optical zoom 5 MP, f/2.2, depth sensor	48 MP, f/1.8, 26mm (wide) 8 MP, f/2.2, 13mm (ultrawide) 2 MP, f/2.4, (depth sensor) 2 MP, f/2.4, (depth sensor)
Front Camera	24 MP, f/2.0	16 MP, f/2.0
Battery Capacity	3800 mAh	4025 mAh
Operating System	Android 8.0 (Oreo), upgradable to Android 10, One UI	Android 9.0 (Pie), ColorOS 6.1
Fast Charging	Yes (Adaptive Fast Charging)	Yes (VOOC Flash Charge 3.0)
Headphone Jack	Yes	Yes
Biometric Authentication	Fingerprint (rear-mounted)	In-display Fingerprint
SIM Card	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
Weight	183 g	172 g
Dimensions	162.5 x 77 x 7.8 mm	160.2 x 73.3 x 7.9 mm
Colors	Caviar Black, Lemonade Blue, Bubblegum Pink	Lightning Black, Unicorn White, Blue