Lava Z92 vs Lava Z81 vs Lava Z91 comparison

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ratings
Overall NDTV RatingRead Review--
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
key specs
Display6.22-inch5.70-inch5.70-inch
Processor2GHz octa-core2GHz quad-core1.3GHz quad-core
Front Camera8-megapixel13-megapixel8-megapixel
RAM3GB2GB3GB
OSAndroidAndroid 8.1 OreoAndroid 7.1 Nougat
Storage32GB32GB32GB
Rear Camera13-megapixel13-megapixel13-megapixel
Battery Capacity3260mAh3000mAh3000mAh
Resolution-720x1440 pixels720x1440 pixels
general
Release dateJanuary 2019November 2018March 2018
Launched in IndiaYesYes-
Thickness8.04--
Battery capacity (mAh)326030003000
ColoursOcean Blue, Black GradientBlack and Gold-
Form factor-TouchscreenTouchscreen
Dimensions (mm)-152.20 x 73.00 x 7.90-
Weight (g)-141.60-
display
Screen size (inches)6.225.705.70
TouchscreenYesYesYes
Protection typeGorilla GlassGorilla Glass-
Resolution-720x1440 pixels720x1440 pixels
Aspect ratio-18:9-
Pixels per inch (PPI)-282-
hardware
Processor2GHz octa-core2GHz quad-core1.3GHz quad-core
Processor makeMediaTek Helio P22MediaTek Helio A22MediaTek MTK6739
RAM3GB2GB3GB
Internal storage32GB32GB32GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSD-
Expandable storage up to (GB)256128128
camera
Rear camera13-megapixel13-megapixel13-megapixel
Rear flashDual LED-Yes
Front camera8-megapixel13-megapixel8-megapixel
Front flash--Yes
software
Operating systemAndroidAndroid 8.1 OreoAndroid 7.1 Nougat
Skin-Star OS 5.0Star OS 4.2
sensors
Fingerprint sensorYesYes-
Face unlock-Yes-
Compass/ Magnetometer-No-
Proximity sensor-Yes-
Accelerometer-Yes-
Ambient light sensor-Yes-
connectivity
Wi-Fi-Yes-
Wi-Fi standards supported-802.11 b/g/n-
GPS-Yes-
Bluetooth-Yes, v 4.10-
Micro-USB-Yes-
FM-Yes-
Number of SIMs-22
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-