Samsung Star 3 Duos S5222 vs ZTE N721
Samsung Star 3 Duos S5222
ZTE N721
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G network-HSDPA 850, 2100
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HSDPA speed-HSDPA, 7.2 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2012-12014-12
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Status2012-2
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Design
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SIMDual SIM (Mini-SIM, dual stand-by)Mini-SIM
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Height102 mm106 mm
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Width58 mm56.2 mm
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Thickness11.5 mm14.2 mm
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Weight95.5 g105 g
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ColorsBlack, WhiteBlack
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Display
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Display typeTFT capacitive touchscreenTFT touchscreen
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Physical size3.0 inches2.8 inches
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Resolution240 x 320 pixels240 x 320 pixels
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Pixel density133 ppi143 ppi
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Display colors26214457344
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Hardware
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Internal storage20 MB150 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Main camera
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Main camera3.15 MP2 MP
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Primary camera resolution2048 x 1536 pixels1600 x 1200 pixels
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Primary camera videoQCIF@15fpsvideo
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radio with RDS-
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Radio recordingFM recording-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv3.0Yes
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Bluetooth A2DPYes-
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaYesYes, via Java MIDP emulator
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Java MIDPMIDP 2.0-
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1000 mAh1100 mAh
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Talk time14 h 20 min4 h 10 min
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Standby time520 h250 h
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OS
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OS-Android OS
