Samsung E2120 vs ZTE N721
Samsung E2120
ZTE N721
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Network
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2G networkGSM 900, 1800GSM 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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EDGEYes
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Availability
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Oficially announced2009-82014-12
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Status2009-9
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Design
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SIMMini-SIMMini-SIM
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Height104.5 mm106 mm
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Width45 mm56.2 mm
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Thickness14.6 mm14.2 mm
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Weight74 g105 g
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ColorsBlackBlack
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Display
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Display typeCSTNTFT touchscreen
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Physical size1.52 inches2.8 inches
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Resolution128 x 128 pixels240 x 320 pixels
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Pixel density119 ppi143 ppi
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Display colors6656057344
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Hardware
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Internal storage9 MB150 MB
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Memory cardmicroSDmicroSD
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Memory card max2 GB32 GB
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Main camera
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Main camera2 MP
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Primary camera resolution640 x 480 pixels1600 x 1200 pixels
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Primary camera videovideovideo
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radio-
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Radio antennabuilt-in antenna-
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Radio recordingFM recording-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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USB2.0microUSB 2.0
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Bluetoothv2.0Yes
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Bluetooth A2DPYes-
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMSMMSMMS
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Messaging Email-Email
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Messaging IM-IM
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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 time10 h4 h 10 min
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Standby time560 h250 h
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OS
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OS-Android OS
