Vivo Y31 5G vs Redmi Note 9S comparison

Show Only Differences Highlight Differences	Vivo Y31 5G	Redmi Note 9S
key specs
Display	6.68-inch	6.67-inch
Processor	Qualcomm Snapdragon 4 Gen 2	Qualcomm Snapdragon 720G
Front Camera	8-megapixel	16-megapixel
Rear Camera	50-megapixel + 0.08-megapixel	48-megapixel + 8-megapixel + 5-megapixel + 2-megapixel
RAM	4GB, 6GB	4GB
Storage	128GB	64GB
Battery Capacity	6,500mAh	5020mAh
OS	Android 15	Android 10
Resolution	1,608x720 pixels	1080x2400 pixels
general
Brand	Vivo	Xiaomi
Model	Y31 5G	Redmi Note 9S
Release date	September 15, 2025	March 23, 2020
Launched in India	Yes	Yes
Form factor	Touchscreen	Touchscreen
Body type	Plastic	-
Dimensions (mm)	166.14 x 77.01 x 8.39	165.70 x 76.60 x 8.80
Weight (g)	209.00	209.00
IP rating	IP68	-
Battery capacity (mAh)	6,500	5020
Removable battery	No	-
Fast charging	44W Flash Charge	Proprietary
Wireless charging	No	-
Colours	Rose Red and Diamond Green	Aurora Blue, Glacier White, Interstellar Grey
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.68	6.67
Touchscreen	Yes	Yes
Resolution	1,608x720 pixels	1080x2400 pixels
Pixels per inch (PPI)	264	-
Protection type	-	Gorilla Glass
Aspect ratio	-	20:9
hardware
Processor	2.2GHz MHz octa-core	2.3GHz octa-core
Processor make	Qualcomm Snapdragon 4 Gen 2	Qualcomm Snapdragon 720G
RAM	4GB, 6GB	4GB
Internal storage	128GB	64GB
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 + 5-megapixel + 2-megapixel
No. of Rear Cameras	2	-
Rear flash	Yes	-
Front camera	8-megapixel (f/f/2.0)	16-megapixel
No. of Front Cameras	1	-
Pop-Up Camera	No	-
Rear autofocus	-	Phase detection autofocus
software
Operating system	Android 15	Android 10
Skin	Funtouch OS 15	MIUI 11
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 4.20	Yes, v 5.00
NFC	No	-
USB Type-C	Yes	Yes
Number of SIMs	2	2
Wi-Fi standards supported	-	802.11 a/b/g/n/ac
Headphones	-	3.5mm
Wi-Fi Direct	-	Yes
Active 4G on both SIM cards	-	Yes
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
4G/ LTE	Yes	Yes
5G	Yes	-
3G	-	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
4G/ LTE	Yes	Yes
5G	Yes	-
3G	-	Yes
sensors
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	No	Yes
Barometer	No	-
Temperature sensor	No	-
Face unlock	-	Yes

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