Karbonn K21 vs Huawei U5510 comparison

Show Only Differences Highlight Differences	Karbonn K21	Huawei U5510
key specs
Display	2.20-inch	2.40-inch
Processor	one-core	650 MHz one-core
Front Camera	No	0.3-megapixel
Rear Camera	1.3-megapixel	3.2-megapixel
Battery Capacity	1000mAh	1000mAh
OS	Proprietary	-
Resolution	176x220 pixels	240x320 pixels
RAM	-	512MB
Storage	-	40MB
general
Alternate names	K21 Radio jockey	-
Brand	Karbonn	Huawei
Model	K21	U5510
Release date	December 1, 2011	-
Form factor	Bar	Bar
Dimensions (mm)	111.50 x 47.30 x 14.30	115.00 x 49.50 x 13.20
Weight (g)	80.00	90.00
Battery capacity (mAh)	1000	1000
Removable battery	Yes	Yes
Colours	Coffee, Grey	-
display
Screen size (inches)	2.20	2.40
Touchscreen	No	No
Resolution	176x220 pixels	240x320 pixels
Pixels per inch (PPI)	-	167
hardware
Processor	one-core	650 MHz one-core
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	8	32
RAM	-	512MB
Internal storage	-	40MB
camera
Rear camera	1.3-megapixel	3.2-megapixel
Rear flash	No	No
Front camera	No	0.3-megapixel
software
Operating system	Proprietary	-
connectivity
Wi-Fi	No	Yes
GPS	No	No
Bluetooth	Yes	Yes, v 2.10
NFC	No	No
Infrared	No	No
USB OTG	No	No
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	No	Yes
4G/ LTE	No	No
sim 2
SIM Type	Regular	Regular
GSM/CDMA	GSM	GSM
3G	No	Yes
4G/ LTE	No	No
sensors
Compass/ Magnetometer	No	No
Proximity sensor	No	No
Accelerometer	No	No
Ambient light sensor	No	No
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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