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Karbonn KT21 Express vs Karbonn K 604 Size compare

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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) 
FeaturesNumeric keypadNumeric keypad, Soft keys, D-Pad 
ColorsBrown  
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 
Screen-to-body ratio

Screen-to-body ratio - Shows what part of the frontal area of a phone its screen occupies.

 39.23 % 
FeaturesProximity sensor  
Camera
Camera3.2 megapixelsYes 
FlashYesYes 
Software FeaturesDigital zoom  
CamcorderYes  
Hardware
Built-in storage

Built-in storage - Bigger storage capacity allows you to keep more content saved onto your device, such as more applications, photos or video. Games and video content typically take up the biggest amount of storage space.

 0.064 GB 
Storage expansion

Storage expansion - Some handsets allow you to expand their storage capacity by using a memory expansion card – most often microSD. Expansion memory is mostly suitable for media storage, such as photo, video or music content.

microSD, microSDHC up to 32 GBmicroSD, microSDHC up to 64 GB 
Battery
Capacity

Capacity - The bigger, the better! However, battery capacity is not the only factor that has an effect on battery life. Those include the chipset in use, the software running on the device, as well as the consumer's unique usage pattern.

1000 mAh1500 mAh 
TypeUser replaceable, Li - IonUser replaceable 
Talk time 3.00 hours
the average is 20 h (1190 min)
 
Stand-by time 20.0 days (480 hours)
the average is 19 days (463 h)
 
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Multimedia
RadioFM, Recording optionFM 
SpeakersLoudspeaker  
Cellular
GSM900, 1800 MHz900, 1800 MHz 
Multiple SIM cards 2 slots 
Phone features
Notifications Music ringtones, Polyphonic ringtones (64 voices), Vibration, Silent mode 
Other features Voice recording 
Connectivity
BluetoothYesYes 
USB Yes 
Other Computer sync 

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

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