Samsung U450 DoubleTake vs T-Mobile Dash 3G
Samsung U450 DoubleTake
T-Mobile Dash 3G
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Network
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2G networkCDMA 800, 1900GSM 850, 900, 1800, 1900
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3G networkCDMA2000 1xHSDPA 1700, 2100
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HSDPA speed-HSDPA, 7.2 Mbps
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Speed YesYes-
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2009-72009-6
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Status2009-7
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Design
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SIMMini-SIMMini-SIM
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Height108 mm116.5 mm
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Width53 mm61.5 mm
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Thickness17 mm12 mm
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Weight100 g120 g
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KeyboardQWERTYQWERTY
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ColorsBlack, RedBrown
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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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Resolution176 x 220 pixels320 x 240 pixels
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Pixel density134 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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Memory RAM-192 MB
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Memory cardmicroSDmicroSD
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Memory card max-16 GB
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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 videonovideo
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration, MP3 ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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USBmicroUSB 2.0Yes
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Bluetoothv2.1v2.0
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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 MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push Email-Push Email
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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 capacity960 mAh1500 mAh
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Talk time5 h-
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Talk time 2G-8 h 30 min
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Talk time 3G-5 h
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Standby time300 h-
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Standby time 2G-380 h
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Standby time 3G-480 h
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OS
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OS-Microsoft Windows Mobile 6.1 Standard
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Browser
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HTML-Yes
