Vivo Y31 5G vs iQOO Z1x comparison

Show Only Differences Highlight Differences	Vivo Y31 5G	iQOO Z1x
key specs
Display	6.68-inch	6.57-inch
Processor	Qualcomm Snapdragon 4 Gen 2	Qualcomm Snapdragon 765G
Front Camera	8-megapixel	16-megapixel
Rear Camera	50-megapixel + 0.08-megapixel	48-megapixel + 2-megapixel + 2-megapixel
RAM	4GB, 6GB	8GB
Storage	128GB	256GB
Battery Capacity	6,500mAh	5000mAh
OS	Android 15	Android 10
Resolution	1,608x720 pixels	1080x2408 pixels
general
Brand	Vivo	iQOO
Model	Y31 5G	Z1x
Release date	September 15, 2025	July 9, 2020
Launched in India	Yes	No
Form factor	Touchscreen	Touchscreen
Body type	Plastic	-
Dimensions (mm)	166.14 x 77.01 x 8.39	164.20 x 76.50 x 9.06
Weight (g)	209.00	200.00
IP rating	IP68	-
Battery capacity (mAh)	6,500	5000
Removable battery	No	No
Fast charging	44W Flash Charge	Proprietary
Wireless charging	No	No
Colours	Rose Red and Diamond Green	Sea Azure, Sharo Cool Black, Water White
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.68	6.57
Touchscreen	Yes	Yes
Resolution	1,608x720 pixels	1080x2408 pixels
Pixels per inch (PPI)	264	-
Aspect ratio	-	20:9
hardware
Processor	2.2GHz MHz octa-core	octa-core
Processor make	Qualcomm Snapdragon 4 Gen 2	Qualcomm Snapdragon 765G
RAM	4GB, 6GB	8GB
Internal storage	128GB	256GB
Expandable storage	Yes	No
Expandable storage type	microSD	-
Expandable storage up to (GB)	2TB	-
camera
Rear camera	50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0)	48-megapixel (f/1.79) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras	2	-
Rear flash	Yes	Yes
Front camera	8-megapixel (f/f/2.0)	16-megapixel (f/2.0)
No. of Front Cameras	1	-
Pop-Up Camera	No	-
software
Operating system	Android 15	Android 10
Skin	Funtouch OS 15	iQoo UI
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	-
Bluetooth	Yes, v 4.20	Yes, v 5.10
NFC	No	-
USB Type-C	Yes	Yes
Number of SIMs	2	2
Headphones	-	3.5mm
FM	-	Yes
Active 4G on both SIM cards	-	Yes
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	-
4G/ LTE	Yes	Yes
5G	Yes	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	-
Ambient light sensor	Yes	-
Gyroscope	No	Yes
Barometer	No	-
Temperature sensor	No	-
Face unlock	-	Yes

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