Samsung Z720 vs Samsung i640
Samsung Z720
Samsung i640
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 2100
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HSDPA speedHSDPAHSDPA, 3.6 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Status
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Oficially announced2006-82008-2
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Design
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SIMMini-SIMMini-SIM
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Height104.5 mm94.4 mm
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Width51.3 mm61 mm
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Thickness13.8 mm16.9 mm
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Weight80 g148 g
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Keyboard-QWERTY
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ColorsRed, Silver, Violet/GoldSilver
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Display
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Display typeTFTTFT
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Physical size2.1 inches2.4 inches
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Resolution240 x 320 pixels320 x 240 pixels
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Pixel density190 ppi167 ppi
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Display colors26214466560
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Hardware
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CPU32-bit 416 MHz
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Memory ROM-128 MB
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Internal storage20 MB-
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Memory RAM-64 MB
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Memory cardmicroSDmicroSD
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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 videovideovideo
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Primary camera Autofocusautofocus-
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Selfie camera
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Secondary cameraVGA cameraVGA camera
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; Downloadable polyphonic, MP3 ringtonesVibration; Downloadable polyphonic, MP3 ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLAN
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USB1.11.1
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Bluetoothv2.0v2.0
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Bluetooth A2DPYes-
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging EMSEMS-
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Messaging MMSMMSMMS
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Messaging Instant Messaging-Instant Messaging
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Messaging EmailEmailEmail
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaYesYes
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Java MIDPMIDP 2.0MIDP 2.0
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity900 mAh1000 mAh
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Talk time5 h6 h
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Standby time300 h250 h
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OS
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OS-Microsoft Windows Mobile 6.0 Standard
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Browser
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HTML-Yes
