Vivo Y31 5G vs Vivo Z3i Standard Edition comparison

Show Only Differences Highlight Differences	Vivo Y31 5G	Vivo Z3i Standard Edition
key specs
Display	6.68-inch	6.30-inch
Processor	Qualcomm Snapdragon 4 Gen 2	MediaTek Helio P60
Front Camera	8-megapixel	24-megapixel
Rear Camera	50-megapixel + 0.08-megapixel	16-megapixel + 2-megapixel
RAM	4GB, 6GB	6GB
Storage	128GB	128GB
Battery Capacity	6,500mAh	3315mAh
OS	Android 15	Android 8.1 Oreo
Resolution	1,608x720 pixels	1080x2280 pixels
general
Brand	Vivo	Vivo
Model	Y31 5G	Z3i Standard Edition
Release date	September 15, 2025	January 1, 2019
Launched in India	Yes	Yes
Form factor	Touchscreen	Touchscreen
Body type	Plastic	-
Dimensions (mm)	166.14 x 77.01 x 8.39	155.97 x 75.63 x 8.10
Weight (g)	209.00	163.70
IP rating	IP68	-
Battery capacity (mAh)	6,500	3315
Removable battery	No	-
Fast charging	44W Flash Charge	-
Wireless charging	No	-
Colours	Rose Red and Diamond Green	Aurora Blue, Millennium Powder, Starry Night Black
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.68	6.30
Touchscreen	Yes	Yes
Resolution	1,608x720 pixels	1080x2280 pixels
Pixels per inch (PPI)	264	-
Aspect ratio	-	19:9
hardware
Processor	2.2GHz MHz octa-core	2.2GHz octa-core
Processor make	Qualcomm Snapdragon 4 Gen 2	MediaTek Helio P60 (MT6771)
RAM	4GB, 6GB	6GB
Internal storage	128GB	128GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	2TB	256
Dedicated microSD slot	-	Yes
camera
Rear camera	50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0)	16-megapixel (f/2.0) + 2-megapixel (f/2.4)
No. of Rear Cameras	2	-
Rear flash	Yes	Yes
Front camera	8-megapixel (f/f/2.0)	24-megapixel (f/2.0)
No. of Front Cameras	1	-
Pop-Up Camera	No	-
Rear autofocus	-	Yes
software
Operating system	Android 15	Android 8.1 Oreo
Skin	Funtouch OS 15	Funtouch OS
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 4.20	Yes, v 5.00
NFC	No	-
USB Type-C	Yes	No
Number of SIMs	2	2
Wi-Fi standards supported	-	802.11 ac
USB OTG	-	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	-
Gyroscope	No	Yes
Barometer	No	-
Temperature sensor	No	-
Face unlock	-	Yes

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