BenQ-Siemens EF81 vs i-mate JAM
BenQ-Siemens EF81
i-mate JAM
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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3G networkUMTS 2100-
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Speed YesYes, 384 kbps-
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GPRSYesYes
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EDGE
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Availability
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Oficially announced2006-12004
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Status
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Design
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SIMMini-SIMMini-SIM
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Height94 mm108 mm
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Width51 mm58 mm
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Thickness15.9 mm18 mm
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Weight110 g150 g
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ColorsTitanium SilverStylish black and silver
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Display
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Display typeTFTTFT resistive touchscreen
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Physical size2.2 inches2.8 inches
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Resolution240 x 320 pixels240 x 320 pixels
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Pixel density182 ppi143 ppi
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Display colors26214466560
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Hardware
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CPU6 MHz Intel PXA272 41
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Internal storage64 MB-
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Memory RAM-64 MB
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Memory cardmicroSDSDIO/MMC
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Memory card max1 GB2 GB
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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 960 pixels
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Primary camera videovideovideo
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Primary camera rotating lensrotating lens-
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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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LoudspeakerNoYes
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NotificationsVibration; Downloadable polyphonic, AAC ringtonesVibration; Downloadable polyphonic 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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USBYesYes
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BluetoothYesYes
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Infrared-Yes
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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 Messaging-Instant Messaging
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Messaging EmailEmailEmail
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaYesYes
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Java MIDPMIDP 2.0-
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Browser
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HTMLYesHTML (PocketIE)
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity950 mAh1200 mAh
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Talk time4 h 30 min3 h 30 min
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Standby time300 h180 h
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OS
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OS-Microsoft Windows Mobile 2003 SE PocketPC
