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Motorola Karma QA1 vs HTC ChaCha Size compare

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Motorola Karma QA1 Remove phone

Posted: 16 Mar 2009
Market Status: Released
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HTC ChaCha Remove phone

Posted: 15 Feb 2011
Market Status: Released

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Design
Device type Smart phone 
OS Android (2.3.5, 2.3.3) 
Dimensions3.46 x 2.52 x 0.70 inches (88 x 64 x 17.9 mm)4.50 x 2.54 x 0.42 inches (114.4 x 64.6 x 10.7 mm) 
Weight4.97 oz (141 g)
the average is 5.3 oz (152 g)
4.23 oz (120 g)
the average is 5.3 oz (152 g)
 
Display
Physical size2.5 inches2.6 inches 
Resolution320 x 240 pixels480 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.

160 ppi222 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  
Screen-to-body ratio34.41 %27.30 % 
Features Light sensor, Proximity sensor, Scratch-resistant glass 
Camera
Camera2 megapixels5 megapixels 
FlashLEDLED 
FeaturesDigital zoomAutofocus 
CamcorderYesYes 
Features Video calling 
Front-facing camera 0.3 megapixels VGA 
Hardware
System chip

System chip - Most modern handsets use an advanced chip that includes many of the device’s hardware modules like the processor, Wi-Fi, Bluetooth and sometimes even the wireless radio. This field shows what particular system chip (or System-on-a-Chip) is used in the phone.

 Qualcomm Snapdragon S1 MSM7227 
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, 800 MHz, ARM11 
Graphics processor Adreno 200 
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 RAM / 512 MB ROM 
Built-in storage0.1 GB  
Storage expansionmicroSD, microSDHCmicroSD, microSDHC up to 32 GB 
Battery
Talk time3.50 hours
the average is 14 h (870 min)
7.00 hours
the average is 14 h (870 min)
 
Stand-by time15.2 days (366 hours)
the average is 17 days (414 h)
17.9 days (430 hours)
the average is 17 days (414 h)
 
Talk time (3G) 7.50 hours
the average is 15 h (927 min)
 
Stand-by time (3G) 27.5 days (660 hours)
the average is 24 days (584 h)
 
Capacity1170 mAh1250 mAh 
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Multimedia
Speakers Earpiece, Loudspeaker 
Internet browsing
Built-in online services support Facebook, Twitter 
Technology
GSM850, 900, 1800, 1900 MHz850, 900, 1800, 1900 MHz 
UMTS850, 1900 MHz900, 2100 MHz 
DataEDGE, UMTS, HSDPA 3.6 Mbit/sHSDPA 7.2 Mbit/s, HSUPA 2 Mbit/s, UMTS, EDGE 
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 
Navigation Yes 
Connectivity
Bluetooth2.0, EDR3.0 
Wi-Fi 802.11 b, g, n 
USBUSB 2.0Yes 
ConnectormicroUSBmicroUSB 
Features Mass storage device, USB charging 
Other Computer sync, OTA sync 
Other features
NotificationsMusic ringtones (MP3), Vibration, Phone profiles, SpeakerphoneMusic ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone 
Sensors Accelerometer, Compass 
Hearing aid compatibilityM3  
OtherVoice dialing, Voice commands, Voice recording, TTY/TDDVoice dialing, Voice recording 
Availability
Officially announced23 Jun 200915 Feb 2011 
Regulatory Approval
FCC approval

FCC approval - The Federal Communications Commission (FCC) is an independent United States government agency, directly responsible to Congress. The FCC was established by the Communications Act of 1934 and is charged with regulating interstate and international communications by radio, television, wire, satellite and cable. The FCC's jurisdiction covers the 50 states, the District of Columbia, and U.S. possessions. Every wireless phone device that that is sold in the U.S. has to be tested and approved for sale by the FCC.

   
Date approved

Date approved - Shows the date when the particular phone is approved by the Federal Communications Commission

23 Feb 200916 May 2011 
FCC ID value: IHDT56KE1 linkFCC ID value: NM8PH06110 link 
FCC measured SAR

FCC measured SAR - The exposure standard for mobile devices employs a unit of measurement known as the Specific Absorption Rate, or SAR. The SAR limit stated in the international guidelines is 2.0 W/ kg*. Tests for SAR are conducted using standard operating positions with the device transmitting at its highest certified power level in all tested frequency bands. Although the SAR is determined at the highest certified power level, the actual SAR of the device while operating can be well below the maximum value.

   
Head0.55 W/kg0.68 W/kg 
Measured in1900 MHz  
Body1.25 W/kg1.37 W/kg 
Measured in1900 MHz  

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