Samsung U450 DoubleTake vs Vodafone 840
Samsung U450 DoubleTake
Vodafone 840
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Network
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2G networkCDMA 800, 1900GSM 900, 1800, 1900
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3G networkCDMA2000 1xUMTS 2100
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Speed YesYesYes, 384 kbps
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2009-72009-11
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Status2009-7
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Design
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SIMMini-SIMMini-SIM
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Height108 mm106 mm
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Width53 mm56 mm
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Thickness17 mm13.9 mm
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Weight100 g93 g
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KeyboardQWERTY-
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ColorsBlack, RedGreen, Pink, Silver, White
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Display
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Display typeTFTTFT touchscreen
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Physical size2.1 inches2.8 inches
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Resolution176 x 220 pixels240 x 320 pixels
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Pixel density134 ppi143 ppi
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Display colors26214466560
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Hardware
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Internal storage-100 MB
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Memory cardmicroSDmicroSD
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Memory card max-8 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 cameraNoYes
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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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WLAN
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USBmicroUSB 2.02.0
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Bluetoothv2.1v2.0
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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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Messaging IMIM-
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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 mAh-
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Talk time5 h4 h
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Standby time300 h380 h
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Browser
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HTML-Yes