Lava Z81 vs Lava Z91 comparison

Compare Lava Z81
Compare Lava Z91
key specs
Display5.70-inch5.70-inch
ProcessorMediaTek Helio A22 MediaTek MT6739
Front Camera13-megapixel8-megapixel
Rear Camera13-megapixel13-megapixel
RAM2GB3GB
Storage32GB32GB
Battery Capacity3000mAh3000mAh
OSAndroid 8.1 OreoAndroid 7.1 Nougat
Resolution720x1440 pixels720x1440 pixels
general
BrandLavaLava
ModelZ81Z91
Release dateNovember 2018March 2018
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)152.20 x 73.00 x 7.90-
Weight (g)141.60-
Battery capacity (mAh)30003000
ColoursBlack and Gold-
display
Screen size (inches)5.705.70
TouchscreenYesYes
Resolution720x1440 pixels720x1440 pixels
Protection typeGorilla Glass-
Aspect ratio18:9-
Pixels per inch (PPI)282-
hardware
Processor2GHz quad-core1.3GHz quad-core
Processor makeMediaTek Helio A22 (MT6761)MediaTek MT6739
RAM2GB3GB
Internal storage32GB32GB
Expandable storageYesYes
Expandable storage typemicroSD-
Expandable storage up to (GB)128128
camera
Rear camera13-megapixel13-megapixel
Front camera13-megapixel8-megapixel
Rear flash-Yes
Front flash-Yes
software
Operating systemAndroid 8.1 OreoAndroid 7.1 Nougat
SkinStar OS 5.0Star OS 4.2
connectivity
Wi-FiYes-
Wi-Fi standards supported802.11 b/g/n-
GPSYes-
BluetoothYes, v 4.10-
Micro-USBYes-
FMYes-
Number of SIMs22
Active 4G on both SIM cardsYes-
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
sensors
Face unlockYes-
Fingerprint sensorYes-
Compass/ MagnetometerNo-
Proximity sensorYes-
AccelerometerYes-
Ambient light sensorYes-
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