Karbonn Alfa 18 vs Karbonn K21 comparison

Show Only Differences Highlight Differences	Karbonn Alfa 18	Karbonn K21
key specs
Display	4.00-inch	2.20-inch
Processor	1.2GHz quad-core	one-core
Front Camera	0.3-megapixel	No
Rear Camera	2-megapixel	1.3-megapixel
RAM	512MB	-
Storage	4GB	-
Battery Capacity	1400mAh	1000mAh
OS	Android 7.0	Proprietary
Resolution	480x800 pixels	176x220 pixels
general
Brand	Karbonn	Karbonn
Model	Alfa 18	K21
Form factor	Touchscreen	Bar
Dimensions (mm)	124.50 x 64.50 x 10.60	111.50 x 47.30 x 14.30
Weight (g)	112.00	80.00
Battery capacity (mAh)	1400	1000
Removable battery	No	Yes
Colours	Champagne, Grey - Gun Metal, Black - Champagne	Coffee, Grey
Alternate names	-	K21 Radio jockey
Release date	-	December 1, 2011
display
Screen size (inches)	4.00	2.20
Touchscreen	Yes	No
Resolution	480x800 pixels	176x220 pixels
hardware
Processor	1.2GHz quad-core	one-core
RAM	512MB	-
Internal storage	4GB	-
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	32	8
camera
Rear camera	2-megapixel	1.3-megapixel
Rear flash	Yes	No
Front camera	0.3-megapixel	No
software
Operating system	Android 7.0	Proprietary
connectivity
Wi-Fi	Yes	No
Wi-Fi standards supported	802.11 b/g/n	-
GPS	Yes	No
Bluetooth	Yes	Yes
NFC	No	No
Infrared	No	No
USB OTG	Yes	No
Headphones	3.5mm	-
FM	Yes	Yes
Number of SIMs	2	2
Wi-Fi Direct	No	No
Mobile High-Definition Link (MHL)	No	No
sim 1
SIM Type	Micro-SIM	Regular
GSM/CDMA	GSM	GSM
3G	Yes	No
4G/ LTE	Yes	No
sim 2
SIM Type	Micro-SIM	Regular
GSM/CDMA	GSM	GSM
3G	Yes	No
4G/ LTE	Yes	No
sensors
Compass/ Magnetometer	No	No
Proximity sensor	Yes	No
Accelerometer	Yes	No
Ambient light sensor	No	No
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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