Lava Z81 vs Itel S21 comparison

Show Only Differences Highlight Differences	Lava Z81	Itel S21
key specs
Display	5.70-inch	5.00-inch
Processor	MediaTek Helio A22	1.1GHz quad-core
Front Camera	13-megapixel	5-megapixel
Rear Camera	13-megapixel	8-megapixel
RAM	2GB	1GB
Storage	32GB	16GB
Battery Capacity	3000mAh	2700mAh
OS	Android 8.1 Oreo	Android 7.0
Resolution	720x1440 pixels	480x854 pixels
general
Brand	Lava	Itel
Model	Z81	S21
Release date	November 1, 2018	November 1, 2017
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	152.20 x 73.00 x 7.90	-
Weight (g)	141.60	-
Battery capacity (mAh)	3000	2700
Colours	Black and Gold	Moonlight Silver, Champagne Gold, Elegant Black
Removable battery	-	Yes
display
Screen size (inches)	5.70	5.00
Touchscreen	Yes	Yes
Resolution	720x1440 pixels	480x854 pixels
Protection type	Gorilla Glass	-
Aspect ratio	18:9	-
Pixels per inch (PPI)	282	-
hardware
Processor	2GHz quad-core	1.1GHz quad-core
Processor make	MediaTek Helio A22 (MT6761)	-
RAM	2GB	1GB
Internal storage	32GB	16GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	128	32
camera
Rear camera	13-megapixel	8-megapixel
Front camera	13-megapixel	5-megapixel
Rear flash	-	Yes
software
Operating system	Android 8.1 Oreo	Android 7.0
Skin	Star OS 5.0	-
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	-
GPS	Yes	Yes
Bluetooth	Yes, v 4.10	Yes
Micro-USB	Yes	-
FM	Yes	Yes
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	-
NFC	-	No
Infrared	-	No
USB OTG	-	Yes
Headphones	-	3.5mm
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sensors
Face unlock	Yes	-
Fingerprint sensor	Yes	-
Compass/ Magnetometer	No	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	No
Ambient light sensor	Yes	Yes
Gyroscope	-	No
Barometer	-	No
Temperature sensor	-	No

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