Samsung Galaxy A31 vs Xiaomi Redmi Note 9 4g

Samsung Galaxy A31 vs Xiaomi Redmi Note 9 4g: Compare the Samsung Galaxy A31 and Xiaomi Redmi Note 9 4g to find out which smartphone offers better features and performance. Discover the key differences and similarities between these popular devices to make an informed decision.

Feature	Samsung Galaxy A31	Xiaomi Redmi Note 9 4G
Display Size	6.4 inches	6.53 inches
Display Type	Super AMOLED	IPS LCD
Display Resolution	1080 x 2400 pixels	1080 x 2340 pixels
Processor	Octa-core (2×2.0 GHz Cortex-A75 & 6×1.7 GHz Cortex-A55)	Octa-core (2×2.0 GHz Cortex-A75 & 6×1.8 GHz Cortex-A55)
RAM	4GB	4GB
Internal Storage	64GB	64GB
Expandable Storage	Yes, up to 512GB	Yes, up to 512GB
Main Camera	48 MP (wide) 8 MP (ultrawide) 5 MP (macro) 5 MP (depth)	48 MP (wide) 8 MP (ultrawide) 2 MP (macro) 2 MP (depth)
Front Camera	20 MP	8 MP
Video Recording	1080p@30fps 4K@30fps	1080p@30fps 4K@30fps
Battery Capacity	5000 mAh	6000 mAh
Charging	Fast charging 15W	Fast charging 18W
Operating System	Android 10, One UI 2.0	Android 10, MIUI 12
Biometric Authentication	In-display fingerprint sensor	Rear-mounted fingerprint sensor
Headphone Jack	Yes	Yes
Bluetooth	5.0	5.0
NFC	Yes	Yes
Weight	185 g	198 g
SIM Card	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)