Sony Ericsson V640 vs T-Mobile Dash 3G
Sony Ericsson V640
T-Mobile Dash 3G
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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 1700, 2100
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HSDPA speedHSDPAHSDPA, 7.2 Mbps
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2007-92009-6
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Status
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Design
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SIMMini-SIMMini-SIM
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Height103 mm116.5 mm
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Width47 mm61.5 mm
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Thickness15.5 mm12 mm
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Weight97 g120 g
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Keyboard-QWERTY
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ColorsHavana Gold, Quick BlackBrown
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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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CPU528 MHz
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Memory ROM-256 MB
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Internal storage32 MB-
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Memory RAM-192 MB
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Memory cardMemory Stick Micro (M2)microSD
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Memory card max4 GB16 GB
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Main camera
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Main camera2 MP2 MP
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Primary camera resolution1600 x 1200 pixels1600 x 1200 pixels
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Primary camera videovideovideo
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Selfie camera
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Secondary camera-No
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Secondary camera videocallingvideocalling-
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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, AAC ringtones, composerVibration, MP3 ringtones
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Multimedia
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Radio-No
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Radio FMStereo FM radio with RDS-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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USB2.0Yes
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Bluetoothv2.0v2.0
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Bluetooth A2DPYesYes
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GPSNoYes, with A-GPS
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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 MessagingInstant Messaging-
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push Email-Push Email
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RSSRSS reader-
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WAP-WAP 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 3.3)Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-1500 mAh
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Talk time 2G9 h8 h 30 min
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Talk time 3G5 h5 h
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Standby time 2G300 h380 h
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Standby time 3G300 h480 h
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OS
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OS-Microsoft Windows Mobile 6.1 Standard
