Samsung A657 vs Vodafone 840
Samsung A657
Vodafone 840
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 850, 1900UMTS 2100
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HSDPA speedHSDPA, 3.6 Mbps-
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Speed Yes-Yes, 384 kbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2009-42009-11
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Status2009
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Design
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SIMMini-SIMMini-SIM
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Height115 mm106 mm
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Width52 mm56 mm
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Thickness19.5 mm13.9 mm
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Weight123 g93 g
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ColorsBlackGreen, Pink, Silver, White
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Display
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Display typeTFTTFT touchscreen
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Physical size1.9 inches2.8 inches
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Resolution176 x 220 pixels240 x 320 pixels
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Pixel density148 ppi143 ppi
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Display colors26214466560
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Hardware
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Internal storage128 MB100 MB
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Memory cardmicroSDmicroSD
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Memory card max8 GB8 GB
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; Polyphonic(72), MP3 ringtonesVibration; 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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USB2.02.0
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Bluetoothv2.0v2.0
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Bluetooth A2DPYesYes
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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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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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1420 mAh-
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Talk time3 h4 h
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Standby time250 h380 h
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Main camera
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Main camera2 MP
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Primary camera resolution-1600 x 1200 pixels
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Primary camera video-video
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Selfie camera
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Secondary camera-Yes
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Browser
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HTML-Yes
