Lava Z40 vs Lava Z81 comparison

Compare Lava Z40
Compare Lava Z81
key specs
Display4.00-inch5.70-inch
Processor1.4GHz quad-coreMediaTek Helio A22
Front Camera2-megapixel13-megapixel
Rear Camera2-megapixel13-megapixel
RAM1GB2GB
Storage8GB32GB
Battery Capacity2250mAh3000mAh
OSAndroid 8.1 Oreo (Go edition)Android 8.1 Oreo
Resolution400x800 pixels720x1440 pixels
general
BrandLavaLava
ModelZ40Z81
Release dateMarch 2019November 2018
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)125.50 x 63.90 x 11.65152.20 x 73.00 x 7.90
Weight (g)120.00141.60
Battery capacity (mAh)22503000
ColoursBlack, GoldBlack and Gold
display
Screen size (inches)4.005.70
TouchscreenYesYes
Resolution400x800 pixels720x1440 pixels
Protection typeGorilla GlassGorilla Glass
Aspect ratio16:918:9
Pixels per inch (PPI)223282
hardware
Processor1.4GHz quad-core2GHz quad-core
RAM1GB2GB
Internal storage8GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)64128
Processor make-MediaTek Helio A22
camera
Rear camera2-megapixel13-megapixel
Rear flashYes-
Front camera2-megapixel13-megapixel
Front flashYes-
software
Operating systemAndroid 8.1 Oreo (Go edition)Android 8.1 Oreo
Skin-Star OS 5.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n
GPSYesYes
BluetoothYes, v 4.20Yes, v 4.10
Micro-USBYesYes
Headphones3.5mm-
Number of SIMs22
FM-Yes
Active 4G on both SIM cards-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
AccelerometerYesYes
Face unlock-Yes
Fingerprint sensor-Yes
Compass/ Magnetometer-No
Proximity sensor-Yes
Ambient light sensor-Yes
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