Panasonic T21 vs Karbonn KT81 comparison

Show Only Differences Highlight Differences	Panasonic T21	Karbonn KT81
key specs
Display	4.50-inch	3.20-inch
Processor	Broadcom BCM28145	one-core
Front Camera	2-megapixel	No
Rear Camera	8-megapixel	3.2-megapixel
RAM	1GB	-
Storage	4GB	-
Battery Capacity	1700mAh	1000mAh
OS	Android 4.1	Proprietary
Resolution	720x1280 pixels	-
general
Brand	Panasonic	Karbonn
Model	T21	KT81
Release date	September 1, 2013	May 1, 2012
Form factor	Touchscreen	Bar
Dimensions (mm)	132.00 x 66.00 x 9.80	-
Weight (g)	140.00	-
Battery capacity (mAh)	1700	1000
Removable battery	No	Yes
Alternate names	-	K81 Cosmos
display
Screen size (inches)	4.50	3.20
Touchscreen	Yes	Yes
Resolution	720x1280 pixels	-
Pixels per inch (PPI)	326	-
hardware
Processor	1.2GHz dual-core	one-core
Processor make	Broadcom BCM28145	-
RAM	1GB	-
Internal storage	4GB	-
Expandable storage	Yes	No
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	32	-
camera
Rear camera	8-megapixel	3.2-megapixel
Rear flash	LED	LED
Front camera	2-megapixel	No
software
Operating system	Android 4.1	Proprietary
connectivity
Wi-Fi	Yes	No
Wi-Fi standards supported	802.11 b/g/n	-
GPS	Yes	No
Bluetooth	Yes, v 2.10	Yes
NFC	No	No
Infrared	No	No
USB OTG	No	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	Regular	Regular
GSM/CDMA	GSM	GSM
3G	Yes	No
4G/ LTE	No	No
sim 2
SIM Type	Regular	Regular
GSM/CDMA	GSM	GSM
3G	No	Yes
4G/ LTE	No	No
sensors
Compass/ Magnetometer	Yes	No
Proximity sensor	Yes	No
Accelerometer	Yes	Yes
Ambient light sensor	Yes	No
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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