Lava Z81 vs Micromax Bolt A51 comparison

Show Only Differences Highlight Differences	Lava Z81	Micromax Bolt A51
key specs
Display	5.70-inch	3.50-inch
Processor	MediaTek Helio A22	Broadcom BCM21552KFFBG
Front Camera	13-megapixel	0.3-megapixel
Rear Camera	13-megapixel	2-megapixel
RAM	2GB	256MB
Storage	32GB	512MB
Battery Capacity	3000mAh	1500mAh
OS	Android 8.1 Oreo	Android 2.3
Resolution	720x1440 pixels	320x480 pixels
general
Brand	Lava	Micromax
Model	Z81	Bolt A51
Release date	November 1, 2018	April 1, 2013
Launched in India	Yes	-
Form factor	Touchscreen	-
Dimensions (mm)	152.20 x 73.00 x 7.90	118.50 x 62.50 x 12.80
Weight (g)	141.60	118.00
Battery capacity (mAh)	3000	1500
Colours	Black and Gold	-
Removable battery	-	Yes
display
Screen size (inches)	5.70	3.50
Touchscreen	Yes	Yes
Resolution	720x1440 pixels	320x480 pixels
Protection type	Gorilla Glass	-
Aspect ratio	18:9	-
Pixels per inch (PPI)	282	-
hardware
Processor	2GHz quad-core	832 MHz one-core
Processor make	MediaTek Helio A22 (MT6761)	Broadcom BCM21552KFFBG
RAM	2GB	256MB
Internal storage	32GB	512MB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	128	32
camera
Rear camera	13-megapixel	2-megapixel
Front camera	13-megapixel	0.3-megapixel
Rear flash	-	Yes
software
Operating system	Android 8.1 Oreo	Android 2.3
Skin	Star OS 5.0	-
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	-
GPS	Yes	No
Bluetooth	Yes, v 4.10	Yes
Micro-USB	Yes	-
FM	Yes	No
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	-
NFC	-	No
Infrared	-	No
USB OTG	-	No
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	Nano-SIM	Regular
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	No
sim 2
SIM Type	Nano-SIM	Regular
GSM/CDMA	GSM	GSM
3G	Yes	No
4G/ LTE	Yes	No
sensors
Face unlock	Yes	-
Fingerprint sensor	Yes	-
Compass/ Magnetometer	No	No
Proximity sensor	Yes	No
Accelerometer	Yes	No
Ambient light sensor	Yes	No
Gyroscope	-	No
Barometer	-	No
Temperature sensor	-	No

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