Motorola ROKR ZN50 vs Samsung DoubleTime I857
Motorola ROKR ZN50
Samsung DoubleTime I857
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Network
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2G networkGSM 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 850, 1900, 2100
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HSDPA speedHSDPA, 7.2 MbpsHSDPA, 7.2 Mbps
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HSUPA speed-HSUPA, 2 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2009-72011-10
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Status2014-122011-11
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Design
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SIMMini-SIMMini-SIM
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Height108.9 mm113 mm
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Width54 mm62 mm
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Thickness14.3 mm15 mm
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Weight143 g148 g
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Keyboard-QWERTY
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ColorsBlackBlack/white
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Display
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Display typeTFT resistive touchscreenTFT capacitive touchscreen
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Physical size3.2 inches3.2 inches
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Resolution240 x 427 pixels320 x 480 pixels
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Pixel density153 ppi180 ppi
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Display colors262144262144
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Hardware
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CPU800 MHz Scorpion
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Chipset-Qualcomm MSM7230
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GPU-Adreno 205
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Memory RAM-256 MB
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Internal storage-260 MB
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Memory cardmicroSDmicroSD
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Memory card max16 GB32 GB
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Main camera
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Main camera3.15 MP3.15 MP
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Primary camera resolution2048 x 1536 pixels2048 x 1536 pixels
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Primary camera videovideo320p
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Primary camera Autofocusautofocusautofocus
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Selfie camera
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Secondary cameraVGA cameraNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3, AAC ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio-No
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Radio FMFM radio with RDS-
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Connectivity
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WLAN
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USBYesmicroUSB 2.0
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Bluetoothv2.1v3.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, 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 EmailEmailEmail
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Messaging IM-IM
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WAPWAP 2.0/xHTML-
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JavaYesYes, via Java MIDP emulator
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Java MIDPMIDP 2.0-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity950 mAh1200 mAh
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Talk time4 h6 h
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Standby time200 h250 h
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OS
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OS-Android OS, v2.2 (Froyo)
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Browser
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HTML-Yes
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Adobe Flash-Yes
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