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Karbonn KT21 Express vs Spice Mobile Mi-300 Size compare


Karbonn KT21 Express Remove phone

Posted: 25 Apr 2012
Market Status: Released

Spice Mobile Mi-300 Remove phone

Posted: 29 Jun 2011
Market Status: Released

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Device typeFeature phoneSmart phone 
OS Android (2.1) 
Dimensions 4.52 x 2.24 x 0.50 inches (114.9 x 56.8 x 12.6 mm) 
Weight 4.02 oz (114 g)
the average is 5.2 oz (150 g)
FeaturesNumeric keypadTrackball 
Physical size2.8 inches3.2 inches 
Resolution 320 x 480 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.

 180 ppi 
Screen-to-body ratio 46.68 % 
FeaturesProximity sensorProximity sensor 
Camera3.2 megapixels5 megapixels 
Software FeaturesDigital zoomDigital zoom 
Settings Exposure compensation 
Built-in storage 0.156 GB 
Storage expansionmicroSD, microSDHC up to 32 GBmicroSD, microSDHC 
Capacity1000 mAh1230 mAh 
TypeUser replaceable, Li - IonUser replaceable 
Talk time 4.00 hours
the average is 15 h (880 min)
Stand-by time 12.5 days (300 hours)
the average is 16 days (375 h)
Talk time (3G) 3.00 hours
the average is 17 h (1014 min)
Stand-by time (3G) 10.4 days (250 hours)
the average is 21 days (506 h)
specifications continue after the ad
Music player   
Filter by Album, Artist, Playlists 
Features Album art cover 
RadioFM, Recording option  
SpeakersLoudspeakerEarpiece, Loudspeaker 
GSM900, 1800 MHz850, 900, 1800, 1900 MHz 
UMTS 900, 1900, 2100 MHz 
Phone features
Sensors Accelerometer 
Notifications Music ringtones (MP3, AAC, AMR, 3GPP, MIDI), Polyphonic ringtones, Vibration, Speakerphone 
Wi-Fi Yes 

Positioning - This field shows the positioning systems supported by the device. There are three main types: GPS, A-GPS and GLONASS. GPS - This is one of the most widespread global positioning technologies, developed and maintained by the U.S. government. It uses satellites in order to detect your location. Works best in clear weather. A-GPS - A-GPS stands for Assisted GPS and is the industry standard for positioning and navigation. “Assisted” means that it can use local wireless networks, in addition to satellites, for quicker and more precise localization. GLONASS - GLONASS is a global positioning system, developed by the Russian Federation. It’s very similar to GPS, but isn’t so popular in cell phones.


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