Palm Centro vs Sony Ericsson V640
Palm Centro
Sony Ericsson V640
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G network-HSDPA 2100
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HSDPA speed-HSDPA
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2008-32007-9
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Status
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Design
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SIMMini-SIMMini-SIM
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Height107.2 mm103 mm
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Width53.5 mm47 mm
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Thickness18.6 mm15.5 mm
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Weight124 g97 g
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KeyboardQWERTY-
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ColorsCobalt, Electric Blue, Glacier, Midnight, Obsidian, Olive, Onyx, RoseHavana Gold, Quick Black
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Display
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Display typeTFT resistive touchscreenTFT
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Physical size2.25 inches2.0 inches
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Resolution320 x 320 pixels176 x 220 pixels
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Pixel density201 ppi141 ppi
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Display colors66560262144
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Hardware
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CPU32-bit 312 MHz
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Internal storage64 MB32 MB
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Memory cardmicroSDMemory Stick Micro (M2)
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Memory card max4 GB4 GB
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OS
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OSPalm OS 5.4.9-
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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 videovideovideo
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Selfie camera
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Secondary cameraNo-
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Secondary camera videocalling-videocalling
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; Downloadable polyphonic ringtonesVibration; Downloadable polyphonic, MP3, AAC ringtones, composer
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio with RDS
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Connectivity
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WLAN
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USBYes2.0
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Bluetoothv1.2v2.0
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Bluetooth A2DPYesYes
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InfraredYes-
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging EMS-EMS
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Messaging MMSMMSMMS
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Messaging Instant Messaging-Instant Messaging
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Messaging EmailEmailEmail
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RSS-RSS reader
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WAPWAP 2.0 / HTML (Blazer 4.5)-
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JavaNoYes
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Java MIDP-MIDP 2.0
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1150 mAh-
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Talk time4 h-
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Talk time 2G-9 h
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Talk time 3G-5 h
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Standby time300 h-
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Standby time 2G-300 h
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Standby time 3G-300 h
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Browser
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HTML-HTML (NetFront 3.3)
