Karbonn K331B vs. Karbonn K20

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Karbonn K331B

Karbonn K20

Price
Not Available	Not Available
Capacity
1800 mAH, Li-ion 100.0% more mAH battery than Karbonn K20. More battery capacity reduces the need to charge your battery again. (1800 mAH, Li-ion vs. 900 mAH, Li-ion)	900 mAH, Li-ion
TalkTime
Up to 9 Hours(2G)	Up to 2.5 Hours(2G)
Stand By Time
	Up to 60 Hours(2G)
Zoom
	Digital Zoom
Main Camera
No	2 MP
Camera Features
Smile detection, White balance presets, Multi Shot	Smile detection, White balance presets, Multi Shot
GPRS
Yes	Class 12
EDGE
No	No
Bluetooth
Yes
USB Connectivity
No	USB Port
Weight
79.5 grams 20.5 grams Lighter than Karbonn K20. light weight phone is easy to hold and can kept in your pocket for long time. (79.5 grams vs. 100 grams)	100 grams
Dimensions
106 x 45 x 16.30 mm	114.7 x 61.2 x 13 mm 3.3 mm Thinner than Karbonn K20. Slim mobile phone is easy to handle and looks gorgeous in hand. (114.7 x 61.2 x 13 mm vs. 106 x 45 x 16.30 mm)
Screen Size
1.8 Inch	2.4 Inch 33.3% bigger screen size than Karbonn K20. The bigger the screen size is better the user experience of reading and watching movie or video songs. (2.4 Inch vs. 1.8 Inch)
Colours
Red-Black,Back light of keypad : Blue	Black,Back light of keypad : White
Screen Resolution
128 x 160 pixels	320 x 240 pixels
Pixel Density (sharpness)
114 ppi	167 ppi 46.5% Higher pixel density than Karbonn K20. High pixel density shows sharper text and extremely detailed photos and videos. (167 ppi vs. 114 ppi)
Box Contents
Handset, Battery, Travel Charger, Earphones, User Manual, Warranty Card	Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
Applications
	PC Sync, Built-in data/fax Modem
Brand
Karbonn	Karbonn
Model
K331B	K20
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
FM Radio
One Touch FM key	Yes
Internal Memory
1 MB	259 KB
Expandable Memory
Up to 2 GB	Up to 8 GB