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Samsung SCH-A990 vs Samsung SGH-Z560

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Samsung SCH-A990 Remove phone

Posted: 06 Jul 2006
Market Status: Released
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Samsung SGH-Z560 Remove phone

Posted: 05 Aug 2006
Market Status: Released

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Design
Dimensions3.80 x 1.88 x 0.82 inches (95.5 x 47.5 x 21 mm)3.83 x 2.01 x 0.64 inches (97.5 x 51.5 x 16.5 mm) 
Weight4.40 oz (125 g)
the average is 4.8 oz (136 g)
3.45 oz (98 g)
the average is 4.8 oz (136 g)
 
Display
Resolution240 x 320 pixels240 x 320 pixels 
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

TFTTFT 
Resolution

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

128 x 96 pixels96 x 96 pixels 
Colors

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

65 53665 536 
Camera
Camera3.2 megapixels2 megapixels 
FlashYes  
FeaturesAutofocus, Digital zoomDigital zoom, Frames, Effects 
CamcorderYes320x240 (QVGA) 
Features Video calling 
Hardware
Storage expansionmicroSDmicroSD 
Battery
Talk time4.10 hours
the average is 12 h (709 min)
3.70 hours
the average is 12 h (709 min)
 
Stand-by time13.1 days (315 hours)
the average is 20 days (492 h)
13.3 days (320 hours)
the average is 20 days (492 h)
 
Capacity1000 mAh900 mAh 
specifications continue after the ad
Technology
CDMA

CDMA - Code Division Multiple Access. A technique of multiplexing, also called spread spectrum, in which analog signals are converted into digital form for transmission. For each communication channel, the signals are encoded in a sequence known to the transmitter and the receiver for that channel. The foremost application is digital cellular phone technology from QUALCOMM that operates in the 800MHz band and 1.9GHz PCS band. CDMA phones are noted for their excellent call quality and long battery life.

800, 1900 MHz  
GSM 900, 1800, 1900 MHz 
UMTS 2100 MHz 
DataEV-DOGPRS, UMTS, HSDPA 1.8 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.

GPS  
Connectivity
Bluetooth1.11.2 
USBYesYes 
OtherTV-OutComputer sync, SyncML 
Other features
NotificationsMusic ringtones (MP3), Polyphonic ringtones (72 voices), Vibration, Phone profiles, SpeakerphoneMusic ringtones (MP3), Polyphonic ringtones (64 voices), Vibration, Phone profiles, Speakerphone 
OtherVoice dialing, Voice commands, Voice recording, TTY/TDDVoice recording 

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

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