Vivo Y31 5G vs Xiaomi Redmi Note 9 4G comparison

Show Only Differences Highlight Differences	Vivo Y31 5G	Xiaomi Redmi Note 9 4G
key specs
Display	6.68-inch	6.53-inch
Processor	Qualcomm Snapdragon 4 Gen 2	-
Front Camera	8-megapixel	8-megapixel
Rear Camera	50-megapixel + 0.08-megapixel	48-megapixel + 8-megapixel + 2-megapixel
RAM	4GB, 6GB	4GB
Storage	128GB	128GB
Battery Capacity	6,500mAh	6000mAh
OS	Android 15	Android 10
Resolution	1,608x720 pixels	1080x2340 pixels
general
Brand	Vivo	Xiaomi
Model	Y31 5G	Redmi Note 9 4G
Release date	September 15, 2025	November 26, 2020
Launched in India	Yes	No
Form factor	Touchscreen	Touchscreen
Body type	Plastic	-
Dimensions (mm)	166.14 x 77.01 x 8.39	162.30 x 77.20 x 9.60
Weight (g)	209.00	198.00
IP rating	IP68	-
Battery capacity (mAh)	6,500	6000
Removable battery	No	-
Fast charging	44W Flash Charge	Proprietary
Wireless charging	No	-
Colours	Rose Red and Diamond Green	Smoke Wave Blue, Misty Green, and Feather Black
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.68	6.53
Touchscreen	Yes	Yes
Resolution	1,608x720 pixels	1080x2340 pixels
Pixels per inch (PPI)	264	-
Aspect ratio	-	19.5:9
hardware
Processor	2.2GHz MHz octa-core	-
Processor make	Qualcomm Snapdragon 4 Gen 2	Qualcomm Snapdragon 662
RAM	4GB, 6GB	4GB
Internal storage	128GB	128GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	2TB	512
Dedicated microSD slot	-	Yes
camera
Rear camera	50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0)	48-megapixel (f/1.79) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras	2	-
Rear flash	Yes	Yes
Front camera	8-megapixel (f/f/2.0)	8-megapixel (f/2.0)
No. of Front Cameras	1	-
Pop-Up Camera	No	-
software
Operating system	Android 15	Android 10
Skin	Funtouch OS 15	MIUI 12
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 4.20	Yes, v 4.20
NFC	No	-
USB Type-C	Yes	Yes
Number of SIMs	2	2
Wi-Fi standards supported	-	802.11 a/b/g/n
Infrared	-	Yes
Headphones	-	3.5mm
FM	-	Yes
Wi-Fi Direct	-	Yes
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	-
4G/ LTE	Yes	Yes
5G	Yes	-
3G	-	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	-
4G/ LTE	Yes	Yes
5G	Yes	-
3G	-	Yes
sensors
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	-
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	No	-
Barometer	No	-
Temperature sensor	No	-
Face unlock	-	Yes

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