Realme Narzo 100x 5G vs Vivo Y31 comparison

Show Only Differences Highlight Differences	Realme Narzo 100x 5G	Vivo Y31
key specs
Display	6.80-inch	6.58-inch
Front Camera	8-megapixel	16-megapixel
Rear Camera	50-megapixel	48-megapixel + 2-megapixel + 2-megapixel
Battery Capacity	8000mAh	5000mAh
OS	Android 16	Android 11
Resolution	720x1570 pixels	1080x2408 pixels
Processor	-	Qualcomm Snapdragon 662
RAM	-	6GB
Storage	-	128GB
general
Brand	Realme	Vivo
Model	Narzo 100x 5G	Y31
Release date	July 15, 2026	January 20, 2021
AI Enabled	Yes	-
Launched in India	Yes	Yes
Dimensions (mm)	166.40 x 78.20 x 8.80	163.86 x 75.32 x 8.38
Weight (g)	224.00	188.00
IP rating	IP65	-
Battery capacity (mAh)	8000	5000
Colours	Midnight Black, Flash Orange	Ocean Blue, Racing Black
Form factor	-	Touchscreen
Fast charging	-	Proprietary
display
Refresh Rate	144 Hz	-
Resolution Standard	HD+	-
Screen size (inches)	6.80	6.58
Touchscreen	Yes	Yes
Resolution	720x1570 pixels	1080x2408 pixels
Aspect ratio	-	20:9
camera
Rear camera	50-megapixel	48-megapixel (f/1.79) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras	2	-
Front camera	8-megapixel	16-megapixel (f/2.0)
No. of Front Cameras	1	-
Rear autofocus	-	Yes
Rear flash	-	Yes
software
Operating system	Android 16	Android 11
Skin	Realme UI 7.0	Funtouch OS 11
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 5.00
USB Type-C	Yes	Yes
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	-
USB OTG	-	Yes
FM	-	Yes
sensors
Face unlock	Yes	-
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
hardware
Processor	-	octa-core
Processor make	-	Qualcomm Snapdragon 662
RAM	-	6GB
Internal storage	-	128GB
sim 1
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
sim 2
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes

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