Samsung Galaxy A31 vs Xiaomi Mi 9

Samsung Galaxy A31 vs Xiaomi Mi 9: Samsung Galaxy A31 and Xiaomi Mi 9 are two popular smartphones in the market. If you’re looking for a comparison between these two models, read on to find out the key differences and similarities.

Feature	Samsung Galaxy A31	Xiaomi Mi 9
Display	6.4-inch Super AMOLED	6.39-inch Super AMOLED
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 (1×2.84 GHz Kryo 485 & 3×2.42 GHz Kryo 485 & 4×1.78 GHz Kryo 485)
RAM	4GB	6GB
Storage	64GB/128GB	64GB/128GB
Main Camera	48 MP wide (f/2.0) 8 MP ultrawide (f/2.2) 5 MP depth (f/2.4) 5 MP macro (f/2.4)	48 MP wide (f/1.8) 12 MP telephoto (f/2.2) 16 MP ultrawide (f/2.2)
Front Camera	20 MP wide (f/2.2)	20 MP wide (f/2.0)
Video Recording	1080p@30fps	2160p@30/60fps, 1080p@30/120/240fps, 720p@960fps
Battery Capacity	5000 mAh	3300 mAh
Fast Charging	Yes, 15W	Yes, 27W
Operating System	Android 10, One UI 2.0	Android 9.0 (Pie), upgradable to Android 10, MIUI 12
MicroSD Slot	Yes, up to 512GB	No
Headphone Jack	Yes	No
Biometric Authentication	In-display fingerprint sensor	In-display fingerprint sensor
SIM Card	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
Weight	185g	173g