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Karbonn KT21 Express vs Karbonn K 604

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Karbonn KT21 Express Remove phone

Posted: 25 Apr 2012
Market Status: Released
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Karbonn K 604 Remove phone

Posted: 03 Feb 2012
Market Status: Released

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Design
Device typeFeature phoneFeature phone 
Dimensions 4.57 x 1.81 x 0.53 inches (116 x 46 x 13.5 mm) 
Display
Physical size2.8 inches2.6 inches 
Resolution 240 x 320 pixels 
Pixel density

Pixel density - The pixel density of a display represents the number of pixels over an area of one inch. It’s measured in “pixels per inch”, or ppi. The higher the number, the more detailed and good-looking the display is.

 154 ppi 
TouchscreenMulti-touch  
FeaturesProximity sensor  
Camera
Camera3.2 megapixelsYes 
FlashYesYes 
FeaturesDigital zoom  
CamcorderYes  
Hardware
Built-in storage 0.064 GB 
Storage expansionmicroSD, microSDHC up to 32 GBmicroSD, microSDHC up to 64 GB 
Battery
Talk time 3.00 hours
the average is 12 h (709 min)
 
Stand-by time 20.0 days (480 hours)
the average is 20 days (492 h)
 
Capacity1000 mAh1500 mAh 
specifications continue after the ad
Multimedia
RadioFM, Recording optionFM 
SpeakersLoudspeaker  
Internet browsing
Built-in online services supportFacebook, YouTube (upload)  
Technology
GSM900, 1800 MHz900, 1800 MHz 
DataEDGE, GPRSGPRS 
Multiple SIM cards 2 slots 
Connectivity
BluetoothYesYes 
USB Yes 
Other Computer sync 
Other features
Notifications Music ringtones, Polyphonic ringtones (64 voices), Vibration, Silent mode 
Other Voice recording 

To see the full specifications with in-depth details click here.

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