Samsung J400 vs Samsung i640
Samsung J400
Samsung i640
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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3G networkUMTS 2100HSDPA 2100
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HSDPA speed-HSDPA, 3.6 Mbps
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Speed YesYes, 384 kbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2008-102008-2
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Status
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Design
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SIMMini-SIMMini-SIM
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Height99 mm94.4 mm
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Width49.5 mm61 mm
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Thickness15.9 mm16.9 mm
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Weight101.2 g148 g
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Keyboard-QWERTY
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ColorsBlackSilver
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Display
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Display typeTFTTFT
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Physical size2.0 inches2.4 inches
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Resolution176 x 220 pixels320 x 240 pixels
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Pixel density141 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 storage8 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 camera1.3 MP2 MP
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Primary camera resolution1280 x 1024 pixels1600 x 1200 pixels
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Primary camera videoQCIFvideo
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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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LoudspeakerNoYes
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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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USB2.01.1
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Bluetoothv2.0v2.0
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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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Browser
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HTMLHTML (NetFront 3.4)Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity820 mAh1000 mAh
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Talk time3 h6 h
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Standby time250 h250 h
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OS
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OS-Microsoft Windows Mobile 6.0 Standard
