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Karbonn A9 vs Micromax A73

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Karbonn A9 Remove phone

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Posted: 03 Jan 2013
Market Status: Released

Micromax A73 Remove phone

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Posted: 08 Aug 2012
Market Status: Released

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Design
Device typeSmart phoneSmart phone 
OSAndroid (2.3.6)Android (2.3) 
Form factorCandybarCandybar 
Dimensions4.72 x 2.38 x 0.44 inches (120 x 60.5 x 11.3 mm)4.25 x 2.44 x 0.47 inches (108 x 62 x 12 mm) 
ColorsWhiteBlack 
Display
Physical size3.8 inches3.5 inches 
Resolution480 x 800 pixels320 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.

246 ppi165 ppi 
Technology

Technology - There are two main screen technologies currently used in phones and tablets: LCD and AMOLED. The former usually features a light source and liquid crystals, while the latter is based on organic light-emitting diodes. Newer LCD variations like IPS-LCD and Super-LCD allow for very accurate color reproduction and very wide viewing angles, where no significant image quality loss is observed. Current AMOLED screens differ in such a way that they can exhibit much more saturated colors (sometimes too much) and incredibly high contrast levels, which is due to black color being completely black in AMOLED displays.

 TFT 
Colors 262 144 
TouchscreenCapacitive, Multi-touchCapacitive, Multi-touch 
Features Light sensor, Proximity sensor 
Battery
Talk time4.00 hours
the average is 11 h (647 min)		  
Stand-by time8.3 days (200 hours)
the average is 18 days (441 h)		  
Capacity1600 mAh1300 mAh 
Type Li - Ion 
Hardware
Processor

Processor - The processor is the main computing component of a phone and is a major factor when it comes to the overall speed of the device. Some more powerful smartphones use dual-core and quad-core processors designed to deliver greater performance.

Single core, 1000 MHz  
System memory

System memory - System memory, or RAM memory is the type of memory that the device uses to temporarily store data from the OS or currently-running apps. The more RAM available to the device, the better the performance will be when multiple or heavier programs are running.

512 MB RAM256 MB RAM / 512 MB ROM 
Built-in storage 0.050 GB 
Storage expansionmicroSD, microSDHC up to 32 GBmicroSD, microSDHC up to 32 GB 
Camera
Camera5 megapixels2 megapixels 
FlashYesLED 
FeaturesAuto focusCMOS image sensor, Digital zoom, Geo tagging 
CamcorderYesYes 
Front-facing cameraYes0.3 megapixels VGA 
specifications continue after the ad
Multimedia
Music player   
Filter byAlbum, Artist, PlaylistsAlbum, Artist, Playlists 
FeaturesAlbum art cover, Background playbackAlbum art cover, Background playback 
Supported formatsMP3, AAC, AAC+, WAV, AMR, MIDIMP3, AAC, WMA, WAV, MIDI 
Video playback   
Supported formatsMPEG4, H.263, H.264, AVI, 3GPMPEG4, H.263 
RadioFMFM 
Speakers Loudspeaker 
Internet browsing
Browser   
supportsHTML, WAPHTML 
Built-in online services supportYouTube (upload), PicasaFacebook, YouTube (upload), Picasa 
Technology
GSM900, 1800 MHz900, 1800 MHz 
UMTS 2100 MHz 
DataUMTS, EDGE, GPRSHSDPA 7.2 Mbit/s, HSUPA 5.76 Mbit/s, EDGE, GPRS 
Multiple SIM cards2 slots2 slots 
Positioning

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.

GPSGPS, A-GPS 
NavigationYes  
Phone features
PhonebookCaller groups, Multiple numbers per contact, Search by both first and last name, Picture ID, Ring IDCaller groups, Multiple numbers per contact, Search by both first and last name, Picture ID, Ring ID 
OrganizerCalendar, Alarm, Calculator, Currency converter, World clock, StopwatchCalendar, Document viewer, Calculator 
MessagingSMS, MMS, Threaded view, Predictive text inputSMS, MMS, Threaded view, Predictive text input 
E-mailIMAP, POP3, SMTPIMAP, POP3, SMTP 
Instant MessagingGoogle TalkGoogle Talk 
JAVA

JAVA - J2ME (Java 2 Platform, Micro Edition) is a technology that allows programmers to use the Java programming language and related tools to develop programs for mobile wireless information devices such as cellular phones and personal digital assistants (PDAs). J2ME consists of programming specifications and a special virtual machine, the K Virtual Machine, that allows a J2ME-encoded program to run in the mobile device.

 Yes 
GamesYes  
Connectivity
BluetoothYes3.0 
Profiles Advanced Audio Distribution (A2DP) 
Wi-Fi802.11 b, g, n802.11 b, g, n 
Mobile hotspot Yes 
USBYesUSB 2.0 
ConnectormicroUSBmicroUSB 
FeaturesMass storage device, USB chargingMass storage device, USB charging 
Headphones connector 3.5mm 
Other Computer sync, OTA sync 
Other features
NotificationsMusic ringtones, VibrationMusic ringtones, Polyphonic ringtones (64 voices), Vibration 
SensorsAccelerometerAccelerometer, Compass 
OtherVoice dialing, Voice commands, Voice recordingVoice dialing, Voice commands, Voice recording 

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