Lava Z81 vs Lava Z91 vs Lava Iris X5 4G comparison

Compare Lava Z81
Compare Lava Z91
Compare Lava Iris X5 4G
key specs
Display5.70-inch5.70-inch5.00-inch
ProcessorMediaTek Helio A22 MediaTek MT67391.3GHz quad-core
Front Camera13-megapixel8-megapixel8-megapixel
Rear Camera13-megapixel13-megapixel13-megapixel
RAM2GB3GB2GB
Storage32GB32GB16GB
Battery Capacity3000mAh3000mAh2500mAh
OSAndroid 8.1 OreoAndroid 7.1 NougatAndroid 5.1
Resolution720x1440 pixels720x1440 pixels720x1280 pixels
general
BrandLavaLavaLava
ModelZ81Z91Iris X5 4G
Release dateNovember 1, 2018March 1, 2018August 1, 2015
Launched in IndiaYes--
Form factorTouchscreenTouchscreen-
Dimensions (mm)152.20 x 73.00 x 7.90-141.60 x 70.80 x 7.60
Weight (g)141.60-128.00
Battery capacity (mAh)300030002500
ColoursBlack and Gold-Black, White
Removable battery--Yes
display
Screen size (inches)5.705.705.00
TouchscreenYesYesYes
Resolution720x1440 pixels720x1440 pixels720x1280 pixels
Protection typeGorilla Glass--
Aspect ratio18:9--
Pixels per inch (PPI)282-294
hardware
Processor2GHz quad-core1.3GHz quad-core1.3GHz quad-core
Processor makeMediaTek Helio A22 (MT6761)MediaTek MT6739-
RAM2GB3GB2GB
Internal storage32GB32GB16GB
Expandable storageYesYesYes
Expandable storage typemicroSD-microSD
Expandable storage up to (GB)12812832
camera
Rear camera13-megapixel13-megapixel13-megapixel
Front camera13-megapixel8-megapixel8-megapixel
Rear flash-YesDual LED
Front flash-YesLED
software
Operating systemAndroid 8.1 OreoAndroid 7.1 NougatAndroid 5.1
SkinStar OS 5.0Star OS 4.2Star OS
connectivity
Wi-FiYes-Yes
Wi-Fi standards supported802.11 b/g/n-802.11 b/g/n
GPSYes-Yes
BluetoothYes, v 4.10-Yes, v 4.00
Micro-USBYes--
FMYes-Yes
Number of SIMs221
Active 4G on both SIM cardsYes--
NFC--No
Infrared--No
USB OTG--Yes
Headphones--3.5mm
Wi-Fi Direct--No
Mobile High-Definition Link (MHL)--No
sim 1
SIM TypeNano-SIM-Micro-SIM
GSM/CDMAGSM-GSM
3GYes-Yes
4G/ LTEYes-Yes
sim 2
SIM TypeNano-SIM--
GSM/CDMAGSM--
3GYes--
4G/ LTEYes--
sensors
Face unlockYes--
Fingerprint sensorYes--
Compass/ MagnetometerNo-No
Proximity sensorYes-Yes
AccelerometerYes-Yes
Ambient light sensorYes-Yes
Gyroscope--Yes
Barometer--No
Temperature sensor--No

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