BlackBerry 8820 vs Siemens AF51
BlackBerry 8820
Siemens AF51
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2007-72005-11
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Status
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Design
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SIMMini-SIMMini-SIM
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Height114 mm79 mm
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Width66 mm41 mm
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Thickness14 mm19.6 mm
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Weight134 g80 g
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KeyboardQWERTY-
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ColorsSilverDolphin Grey, Panther Black
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Display
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Display typeCSTN
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Physical size2.5 inches-
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Resolution320 x 240 pixels130 x 130 pixels
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Pixel density160 ppi-
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Display colors6656066560
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Hardware
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CPU32-bit 312 MHz
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Internal storage64 MB-
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Memory RAM16 MB-
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Memory cardmicroSD
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OS
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OSBlackBerry OS-
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; Polyphonic, MP3 ringtonesVibration; Polyphonic(32) 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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USBYes
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Bluetoothv2.0
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Bluetooth A2DPYes-
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GPSYesNo
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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 EmailEmail-
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WAPWAP 2.0/xHTMLWAP 1.2.1
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JavaYesYes
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Java MIDP-MIDP 1.0
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Browser
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HTMLYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1400 mAh620 mAh
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Talk time5 h5 h
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Standby time520 h220 h
