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Palm Centro vs Palm Treo 680

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Palm Centro Remove phone

phone
PA Rating - 8
User Rating - 7.5

Posted: 19 Feb 2008
Market Status: Released US carrier availability: AT&T - Discontinued

Palm Treo 680 Remove phone

phone
User Rating - 8.6

Posted: 13 Oct 2006
Market Status: Released US carrier availability: AT&T - Discontinued

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Design
Device typeSmart phoneSmart phone 
OSPalm OS (5.4 (Garnet))Palm OS (5.4 (Garnet)) 
Form factorCandybarCandybar 
Dimensions4.22 x 2.10 x 0.73 inches (107.2 x 53.5 x 18.6 mm)4.40 x 2.30 x 0.80 inches (112 x 58 x 20 mm) 
Weight4.23 oz (120 g)
the average is 4.4 oz (125 g)		5.50 oz (157 g)
the average is 4.4 oz (125 g)		 
Design featuresFull keyboard, D-Pad, StylusFull keyboard, Stylus 
Side KeysLeft: Volume control, OtherLeft: Volume control, Other 
Display
Physical size2.2 inches  
Resolution320 x 320 pixels320 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.

206 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.

TFTTFT 
Colors65 53665 536 
TouchscreenResistiveResistive 
Battery
Talk time4.00 hours
the average is 10 h (623 min)		4.00 hours
the average is 10 h (623 min)		 
Stand-by time12.5 days (300 hours)
the average is 18 days (434 h)		12.5 days (300 hours)
the average is 18 days (434 h)		 
Capacity1150 mAh1200 mAh 
TypeLi - IonLi - 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, 312 MHz, IntelSingle core, 312 MHz, Marvell PXA270 
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.

64 MB RAM / 64 MB ROM  
Built-in storage 0.064 GB 
Storage expansionmicroSDSD, MMC 
Camera
Camera1.3 megapixels0.3 megapixels VGA 
FeaturesDigital zoomDigital zoom 
CamcorderYes352x288 (CIF) 
specifications continue after the ad
Multimedia
Music player   
Supported formatsMP3MP3, WMA 
Streaming Yes 
Internet browsing
BrowserBlazer Web browserBlazer Web browser 
Technology
GSM850, 900, 1800, 1900 MHz850, 900, 1800, 1900 MHz 
DataEDGEEDGE 
Global RoamingYesYes 
Phone features
PhonebookUnlimited entries, Multiple numbers per contact, Picture ID, Ring IDUnlimited entries, Multiple numbers per contact, Picture ID, Ring ID 
OrganizerCalendar, Alarm, To-Do, Calculator, NotesCalendar, Alarm, To-Do, Calculator, World clock 
MessagingSMS, MMS, Predictive text inputSMS, MMS 
E-mailIMAP, POP3, SMTP, Microsoft Exchange, Push e-mailIMAP, POP3, SMTP 
Instant MessagingAIM, Yahoo!  
Games Yes 
Connectivity
Bluetooth2.01.2 
ProfilesAdvanced Audio Distribution (A2DP), Audio/Video Control Transport Protocol (AVCTP), Audio/Video Distribution Transport Protocol (AVDTP), Audio/Visual Remote Control Profile (AVRCP), Dial-up networking (DUN), Generic Access (GAP), Generic Audio/Video Distribution (GAVDP), Handsfree (HFP), Headset (HSP), Object Push (OPP), Serial Port (SPP)Advanced Audio Distribution (A2DP), Audio/Visual Remote Control Profile (AVRCP), Dial-up networking (DUN), Generic Access (GAP), Generic Audio/Video Distribution (GAVDP), Handsfree (HFP), Headset (HSP), Human Interface Device (HID), Object Push (OPP) 
USBYesYes 
ConnectorProprietary  
Headphones connector2.5mm2.5mm 
Charging connectorProprietary  
OtherComputer sync, InfraredComputer sync, Infrared 
Other features
NotificationsMusic ringtones (MP3), Polyphonic ringtones, Vibration, Phone profiles, Flight mode, Silent mode, SpeakerphoneVibration, Phone profiles, Speakerphone 
OtherVoice dialing, Voice commands, Voice recording, Push-to-TalkVoice recording, TTY/TDD 
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

20 Feb 200809 Nov 2006 
FCC ID value: O8F-728 linkFCC ID value: O8F-850 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.

   
Head0.19 W/kg0.32 W/kg 
Measured in1900 MHz1900 MHz 
Body0.30 W/kg0.21 W/kg 
Measured in1900 MHz1900 MHz 
Availability
Officially announced19 Feb 200812 Oct 2006 

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