Samsung Galaxy A31 vs Samsung Galaxy A9 2018

Samsung Galaxy A31 vs Samsung Galaxy A9 2018: Compare the Samsung Galaxy A31 and Samsung Galaxy A9 2018 to find out which smartphone is the better choice for you. Discover their key differences in terms of design, display, camera, performance, and more. Make an informed decision before purchasing your next Samsung device.

Feature	Samsung Galaxy A31	Samsung Galaxy A9 2018
Display Size	6.4 inches	6.3 inches
Display Type	Super AMOLED	Super AMOLED
Resolution	1080 x 2400 pixels	1080 x 2220 pixels
Processor	Octa-core (2×2.0 GHz Cortex-A75 & 6×1.7 GHz Cortex-A55)	Octa-core (4×2.2 GHz Kryo 260 & 4×1.8 GHz Kryo 260)
RAM	4 GB	6 GB
Storage	64 GB	128 GB
Expandable Storage	Yes (up to 512 GB)	Yes (up to 512 GB)
Main Camera	48 MP (f/2.0) 8 MP (f/2.2) ultra wide 5 MP (f/2.4) depth 5 MP (f/2.4) macro	24 MP (f/1.7) 10 MP (f/2.4) telephoto 8 MP (f/2.4) ultra wide 5 MP (f/2.2) depth
Front Camera	20 MP (f/2.2)	24 MP (f/2.0)
Video Recording	1080p@30fps	4K@30fps
Battery Capacity	5000 mAh	3800 mAh
Fast Charging	Yes (15W)	Yes (18W)
Operating System	Android 10, One UI 2.0	Android 8.0 (Oreo), upgradable to Android 10, One UI
Biometric Authentication	In-display fingerprint sensor	Rear-mounted fingerprint sensor
Colors	Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White	Caviar Black, Lemonade Blue, Bubblegum Pink
SIM Card	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
Weight	185 g	183 g