Vivo Y91 (3GB RAM, 32GB) vs Lava Z91 comparison

Show Only Differences Highlight Differences	Vivo Y91 (3GB RAM, 32GB)	Lava Z91 (2GB RAM, 16GB)
key specs
Display	6.22-inch	5.70-inch
Processor	MediaTek Helio P22	MediaTek MT6739
Front Camera	8-megapixel	8-megapixel
Rear Camera	13-megapixel + 2-megapixel	13-megapixel
RAM	3GB	3GB
Storage	32GB	32GB
Battery Capacity	4030mAh	3000mAh
OS	Android 8.1	Android 7.1 Nougat
Resolution	720x1520 pixels	720x1440 pixels
general
Brand	Vivo	Lava
Model	Y91	Z91
Release date	January 1, 2019	March 1, 2018
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	155.11 x 75.09 x 8.28	-
Weight (g)	163.50	-
Battery capacity (mAh)	4030	3000
Colours	Nebula Purple, Ocean Blue, Starry Black	-
display
Screen size (inches)	6.22	5.70
Touchscreen	Yes	Yes
Resolution	720x1520 pixels	720x1440 pixels
hardware
Processor	octa-core	1.3GHz quad-core
Processor make	MediaTek Helio P22 (MT6762R)	MediaTek MT6739
RAM	3GB	3GB
Internal storage	32GB	32GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	-
Expandable storage up to (GB)	256	128
Dedicated microSD slot	Yes	-
camera
Rear camera	13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)	13-megapixel
Rear flash	LED	Yes
Front camera	8-megapixel (f/f/1.8)	8-megapixel
Front flash	No	Yes
software
Operating system	Android 8.1	Android 7.1 Nougat
Skin	Funtouch OS 4.5	Star OS 4.2
connectivity
Wi-Fi	Yes	-
Bluetooth	Yes, v 5.00	-
NFC	No	-
Micro-USB	Yes	-
Headphones	3.5mm	-
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	-
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	-
sensors
Face unlock	Yes	-
Fingerprint sensor	Yes	-
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	-
Accelerometer	Yes	-
Ambient light sensor	Yes	-
Gyroscope	Yes	-

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