Vivo Y21 vs Lava Z91 comparison

Show Only Differences Highlight Differences	Vivo Y21	Lava Z91
key specs
Display	6.50-inch	5.70-inch
Processor	MediaTek Helio P35	MediaTek MT6739
Front Camera	8-megapixel	8-megapixel
Rear Camera	13-megapixel + 2-megapixel	13-megapixel
RAM	4GB	3GB
Storage	128GB	32GB
Battery Capacity	5000mAh	3000mAh
OS	Android 11	Android 7.1 Nougat
Resolution	720x1600 pixels	720x1440 pixels
general
Brand	Vivo	Lava
Model	Y21	Z91
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	164.26 x 76.08 x 8.00	-
Weight (g)	182.00	-
Battery capacity (mAh)	5000	3000
Fast charging	Proprietary	-
Colours	Midnight Blue, Diamond Black	-
Release date	-	March 1, 2018
display
Screen size (inches)	6.50	5.70
Touchscreen	Yes	Yes
Resolution	720x1600 pixels	720x1440 pixels
hardware
Processor	octa-core	1.3GHz quad-core
Processor make	MediaTek Helio P35 (MT6765)	MediaTek MT6739
RAM	4GB	3GB
Internal storage	128GB	32GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	-
Expandable storage up to (GB)	1000	128
Dedicated microSD slot	Yes	-
camera
Rear camera	13-megapixel (f/2.2) + 2-megapixel (f/2.4)	13-megapixel
No. of Rear Cameras	2	-
Rear autofocus	Yes	-
Rear flash	LED	Yes
Front camera	8-megapixel (f/2.0)	8-megapixel
No. of Front Cameras	1	-
Front flash	-	Yes
software
Operating system	Android 11	Android 7.1 Nougat
Skin	Funtouch OS 11.1	Star OS 4.2
connectivity
Wi-Fi	Yes	-
Bluetooth	Yes, v 5.00	-
USB OTG	Yes	-
Number of SIMs	-	2
sensors
Fingerprint sensor	Yes	-

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