Vivo Y31 5G vs Samsung Galaxy A8 Star comparison

Show Only Differences Highlight Differences	Vivo Y31 5G	Samsung Galaxy A8 Star
key specs
Display	6.68-inch	6.28-inch
Processor	Qualcomm Snapdragon 4 Gen 2	Qualcomm Snapdragon 660
Front Camera	8-megapixel	24-megapixel
Rear Camera	50-megapixel + 0.08-megapixel	16-megapixel + 24-megapixel
RAM	4GB, 6GB	6GB
Storage	128GB	64GB
Battery Capacity	6,500mAh	3700mAh
OS	Android 15	Android 8.0
Resolution	1,608x720 pixels	1880x2220 pixels
general
Brand	Vivo	Samsung
Model	Y31 5G	Galaxy A8 Star
Release date	September 15, 2025	June 1, 2018
Launched in India	Yes	Yes
Form factor	Touchscreen	Touchscreen
Body type	Plastic	-
Dimensions (mm)	166.14 x 77.01 x 8.39	162.40 x 77.00 x 7.50
Weight (g)	209.00	188.00
IP rating	IP68	-
Battery capacity (mAh)	6,500	3700
Removable battery	No	-
Fast charging	44W Flash Charge	-
Wireless charging	No	-
Colours	Rose Red and Diamond Green	Black, White
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.68	6.28
Touchscreen	Yes	Yes
Resolution	1,608x720 pixels	1880x2220 pixels
Pixels per inch (PPI)	264	-
Aspect ratio	-	18.5:9
hardware
Processor	2.2GHz MHz octa-core	octa-core
Processor make	Qualcomm Snapdragon 4 Gen 2	Qualcomm Snapdragon 660
RAM	4GB, 6GB	6GB
Internal storage	128GB	64GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	2TB	256
camera
Rear camera	50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0)	16-megapixel (f/1.7) + 24-megapixel (f/1.7)
No. of Rear Cameras	2	-
Rear flash	Yes	LED
Front camera	8-megapixel (f/f/2.0)	24-megapixel (f/2.0)
No. of Front Cameras	1	-
Pop-Up Camera	No	-
software
Operating system	Android 15	Android 8.0
Skin	Funtouch OS 15	-
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
sim 1
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	GSM + CDMA
4G/ LTE	Yes	-
5G	Yes	-
sim 2
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	GSM + CDMA
4G/ LTE	Yes	-
5G	Yes	-
sensors
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	No	-
Barometer	No	-
Temperature sensor	No	-
Face unlock	-	Yes

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