Samsung A637 vs Samsung J400
Samsung A637
Samsung J400
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkUMTS 850, 1900UMTS 2100
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Speed YesYes, 384 kbpsYes, 384 kbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2008-102008-10
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Status
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Design
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SIMMini-SIMMini-SIM
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Height86 mm99 mm
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Width43 mm49.5 mm
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Thickness20 mm15.9 mm
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Weight92 g101.2 g
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ColorsWhiteBlack
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Display
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Display typeTFTTFT
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Physical size1.9 inches2.0 inches
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Resolution144 x 176 pixels176 x 220 pixels
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Pixel density120 ppi141 ppi
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Display colors262144262144
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Hardware
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Internal storage50 MB8 MB
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Memory cardmicroSDmicroSD
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Memory card max8 GB-
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Main camera
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Main camera1.3 MP1.3 MP
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Primary camera resolution1280 x 1024 pixels1280 x 1024 pixels
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Primary camera videovideoQCIF
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Selfie camera
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Secondary cameraNoVGA camera
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Sound
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3.5mm jackNoNo
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LoudspeakerNoNo
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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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USBYes2.0
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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 EMSEMSEMS
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Messaging MMSMMSMMS
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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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HTMLYesHTML (NetFront 3.4)
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity800 mAh820 mAh
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Talk time4 h3 h
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Standby time350 h250 h
