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AT&T Z331 vs Motorola Tundra VA76r

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AT&T Z331 Remove phone

Posted: 14 Oct 2011
Market Status: Released
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Motorola Tundra VA76r Remove phone

Posted: 30 Sep 2008
Market Status: Released

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Design
Device typeFeature phone  
Dimensions3.86 x 2.03 x 0.67 inches (98 x 52 x 17 mm)3.86 x 2.14 x 0.94 inches (98 x 54.3 x 24 mm) 
Weight3.17 oz (90 g)
the average is 4.8 oz (136 g)
4.94 oz (140 g)
the average is 4.8 oz (136 g)
 
Display
Physical size2.4 inches2.2 inches 
Resolution240 x 320 pixels240 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.

167 ppi182 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 
Colors262 144262 144 
Additional display

Additional display - Shows specs of the phone's additional display

OLEDSTN 
Resolution

Resolution - Refers to the width and the length od the additional display

128 x 128 pixels96 x 80 pixels 
Physical Size1.46 inches1.00 inches 
Colors

Colors - Shows the number of colors that the additional display supports

 65 536 
Camera
Camera3 megapixels2 megapixels 
Features Digital zoom 
CamcorderResolution, 176 x 144 pixelsYes 
Hardware
Built-in storage0.14 GB0.1 GB 
Storage expansionmicroSD, microSDHC up to 8 GBmicroSD, microSDHC 
Battery
Talk time3.00 hours
the average is 12 h (709 min)
5.90 hours
the average is 12 h (709 min)
 
Stand-by time8.3 days (200 hours)
the average is 20 days (492 h)
14.0 days (337 hours)
the average is 20 days (492 h)
 
Talk time (3G) 3.70 hours
the average is 15 h (892 min)
 
Stand-by time (3G) 18.1 days (435 hours)
the average is 29 days (705 h)
 
Capacity950 mAh1130 mAh 
specifications continue after the ad
Multimedia
RadioFM  
Internet browsing
BrowserOpera Mini  
Technology
GSM850, 900, 1800, 1900 MHz850, 900, 1800, 1900 MHz 
UMTS850, 1900, 2100 MHz850, 1900 MHz 
DataEDGE, UMTS, HSDPA 3.6 Mbit/sEDGE, UMTS, HSDPA 3.6 Mbit/s 
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.

 A-GPS 
Connectivity
Bluetooth2.02.0 
USBUSB 1.1Yes 
Connector microUSB 
Other Computer sync 
Other features
NotificationsVibration, Silent mode, SpeakerphoneMusic ringtones (MP3), Vibration, Phone profiles, Speakerphone 
Hearing aid compatibilityM3, T4M3, T3 
OtherTTY/TDDVoice dialing (Speaker independent), Voice commands (Speaker independent), Voice recording, TTY/TDD, Push-to-Talk 
Availability
Officially announced 23 Sep 2008 

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

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