Garmin-Asus nuvifone M20 vs Samsung i640
Garmin-Asus nuvifone M20
Samsung i640
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 900, 2100HSDPA 2100
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HSDPA speedHSDPA, 7.2 MbpsHSDPA, 3.6 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2009-92008-2
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Status
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Design
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SIMMini-SIMMini-SIM
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Height95.3 mm94.4 mm
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Width52.5 mm61 mm
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Thickness12.8 mm16.9 mm
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Weight99 g148 g
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Keyboard-QWERTY
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ColorsBlack, Blue, Green, RedSilver
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Display
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Display typeTFT resistive touchscreenTFT
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Physical size2.8 inches2.4 inches
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Resolution480 x 640 pixels320 x 240 pixels
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Pixel density286 ppi167 ppi
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Display colors6656066560
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Hardware
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CPU528 MHz ARM 11416 MHz 32-bit
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ChipsetQualcomm MSM7200A-
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GPUAdreno 130-
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Memory ROM-128 MB
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Internal storage4, 8 GB-
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Memory RAM-64 MB
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Memory cardmicroSD
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OS
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OSMicrosoft Windows Mobile 6.1 ProfessionalMicrosoft Windows Mobile 6.0 Standard
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Main camera
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Main camera3.15 MP2 MP
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Primary camera resolution2048 x 1536 pixels1600 x 1200 pixels
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Primary camera video320p@15fpsvideo
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Primary camera Autofocusautofocus-
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Selfie camera
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Secondary cameraYesVGA camera
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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 ringtonesVibration; Downloadable polyphonic, 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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USB2.01.1
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Bluetoothv2.0v2.0
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Bluetooth A2DPYes-
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GPSYesNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMSMMS
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Messaging Instant MessagingInstant MessagingInstant Messaging
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Messaging EmailEmailEmail
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Messaging Push EmailPush email-
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WAPWAP 2.0WAP 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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HTML-Yes
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HTTPYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity920 mAh1000 mAh
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Talk time2 h 48 min6 h
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Standby time-250 h
