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ZTE Z431 vs Samsung S390G

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ZTE Z431 Remove phone

Posted: 20 Feb 2013
Market Status: Released
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Samsung S390G Remove phone

Posted: 06 Feb 2012
Market Status: Released

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Design
Device typeFeature phoneFeature phone 
Dimensions4.49 x 2.4 x 0.41 inches (114 x 61 x 10 mm)4.41 x 2.44 x 0.47 inches (112 x 62 x 12 mm) 
Weight3.34 oz (95 g)
the average is 4.9 oz (139 g)
3.51 oz (100 g)
the average is 4.9 oz (139 g)
 
Display
Physical size2.4 inches2.4 inches 
Resolution320 x 240 pixels320 x 240 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 ppi167 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 
Camera
Camera2 megapixels2 megapixels 
FeaturesDigital zoomSmile detection, Digital zoom, Panorama, Frames 
Camcorder Yes 
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, 520 MHz 
Built-in storage0.058 GB0.117 GB 
Storage expansionmicroSD, microSDHC up to 32 GBmicroSD, microSDHC up to 32 GB 
Battery
Talk time4.50 hours
the average is 12 h (699 min)
6.00 hours
the average is 12 h (699 min)
 
Stand-by time12.5 days (216 hours)
the average is 21 days (493 h)
12.5 days (300 hours)
the average is 21 days (493 h)
 
Capacity1000 mAh1000 mAh 
specifications continue after the ad
Multimedia
SpeakersEarpiece  
Technology
GSM850, 900, 1800, 1900 MHz850, 900, 1800, 1900 MHz 
UMTS850, 1900, 2100 MHz850, 1900, 2100 MHz 
DataUMTS, EDGE, GPRS  
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.

GPS  
NavigationYes  
Connectivity
Bluetooth2.1, EDRYes 
Wi-Fi Yes 
USBYes  
Other features
NotificationsMusic ringtones, SpeakerphoneMusic ringtones, Polyphonic ringtones (64 voices), Flight mode, Speakerphone 
Hearing aid compatibilityM3, T3  
OtherVoice dialing, Voice commandsTTY/TDD 

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

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