Vivo Y31 5G vs Xiaomi Mi Mix Alpha comparison

Show Only Differences Highlight Differences	Vivo Y31 5G	Xiaomi Mi Mix Alpha
key specs
Display	6.68-inch	7.92-inch
Processor	Qualcomm Snapdragon 4 Gen 2	Qualcomm Snapdragon 855+
Front Camera	8-megapixel	No
Rear Camera	50-megapixel + 0.08-megapixel	108-megapixel + 12-megapixel + 20-megapixel
RAM	4GB, 6GB	12GB
Storage	128GB	512GB
Battery Capacity	6,500mAh	4050mAh
OS	Android 15	Android
Resolution	1,608x720 pixels	2088x2250 pixels
general
Brand	Vivo	Xiaomi
Model	Y31 5G	Mi Mix Alpha
Release date	September 15, 2025	September 24, 2019
Launched in India	Yes	No
Form factor	Touchscreen	Touchscreen
Body type	Plastic	-
Dimensions (mm)	166.14 x 77.01 x 8.39	154.38 x 72.30 x 10.40
Weight (g)	209.00	241.00
IP rating	IP68	-
Battery capacity (mAh)	6,500	4050
Removable battery	No	-
Fast charging	44W Flash Charge	Proprietary
Wireless charging	No	-
Colours	Rose Red and Diamond Green	Black
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.68	7.92
Touchscreen	Yes	Yes
Resolution	1,608x720 pixels	2088x2250 pixels
Pixels per inch (PPI)	264	-
hardware
Processor	2.2GHz MHz octa-core	1.8GHz octa-core (1x2.96GHz + 3x2.42GHz + 4x1.8GHz)
Processor make	Qualcomm Snapdragon 4 Gen 2	Qualcomm Snapdragon 855+
RAM	4GB, 6GB	12GB
Internal storage	128GB	512GB
Expandable storage	Yes	No
Expandable storage type	microSD	-
Expandable storage up to (GB)	2TB	-
Dedicated microSD slot	-	No
camera
Rear camera	50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0)	108-megapixel (f/1.69, 0.8-micron) + 12-megapixel (f/2, 1.4-micron) + 20-megapixel (f/2.2, 1.0-micron)
No. of Rear Cameras	2	-
Rear flash	Yes	LED
Front camera	8-megapixel (f/f/2.0)	No
No. of Front Cameras	1	-
Pop-Up Camera	No	-
Rear autofocus	-	Yes
software
Operating system	Android 15	Android
Skin	Funtouch OS 15	MIUI Alpha
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
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	Yes
Temperature sensor	No	Yes
Face unlock	-	Yes

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