O2 XDA Comet vs Palm Centro
O2 XDA Comet
Palm Centro
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Network
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2G networkGSM 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 1900, 2100-
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HSDPA speedHSDPA-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2007-92008-3
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Status
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Design
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SIMMini-SIMMini-SIM
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Height106 mm107.2 mm
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Width58 mm53.5 mm
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Thickness19 mm18.6 mm
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Weight145 g124 g
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Keyboard-QWERTY
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ColorsSilverCobalt, Electric Blue, Glacier, Midnight, Obsidian, Olive, Onyx, Rose
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Display
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Display typeTFT resistive touchscreenTFT resistive touchscreen
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Physical size2.7 inches2.25 inches
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Resolution240 x 320 pixels320 x 320 pixels
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Pixel density148 ppi201 ppi
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Display colors6656066560
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Hardware
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CPU620 MHz Intel XScale PXA 270312 MHz 32-bit
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Memory ROM1 GB-
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Memory RAM64 MB-
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Internal storage-64 MB
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Memory cardminiSDmicroSD
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Memory card max-4 GB
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OS
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OSMicrosoft Windows Mobile 6.0 ProfessionalPalm OS 5.4.9
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Main camera
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Main camera2 MP1.3 MP
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Primary camera resolution1600 x 1200 pixels1280 x 1024 pixels
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Primary camera videovideovideo
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraVGA cameraNo
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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 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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USBYesYes
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Bluetoothv1.2v1.2
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Bluetooth A2DP-Yes
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InfraredYesYes
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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 Instant MessagingInstant Messaging-
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Messaging EmailEmailEmail
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WAPWAP 2.0/xHTMLWAP 2.0 / HTML (Blazer 4.5)
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JavaYesNo
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Java MIDPMIDP 2.0-
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Browser
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HTMLHTML (PocketIE)-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-1150 mAh
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Talk time6 h4 h
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Standby time200 h300 h
