HTC Touch Dual vs Siemens AF51
HTC Touch Dual
Siemens AF51
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 2100-
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HSDPA speedHSDPA, 3.6 Mbps-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2007-112005-11
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Status
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Design
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SIMMini-SIMMini-SIM
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Height107 mm79 mm
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Width55 mm41 mm
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Thickness15.8 mm19.6 mm
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Weight120 g80 g
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KeyboardHalf-QWERTY-
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ColorsSilverDolphin Grey, Panther Black
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Display
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Display typeTFT resistive touchscreenCSTN
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Physical size2.6 inches-
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Resolution240 x 320 pixels130 x 130 pixels
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Pixel density154 ppi-
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Display colors6656066560
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Hardware
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CPU400 MHz ARM 11
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ChipsetQualcomm MSM7200-
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GPUAdreno 130-
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Memory ROM256 MB-
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Memory RAM128 MB-
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Memory cardmicroSD
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OS
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OSMicrosoft Windows Mobile 6.0 Professional-
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Main camera
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Main camera2 MP
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Primary camera resolution1600 x 1200 pixels-
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Primary camera videovideo-
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Selfie camera
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Secondary camera videocallingvideocalling-
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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; Polyphonic(32) 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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USBYes
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Bluetoothv2.0
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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 EmailEmail-
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WAPWAP 2.0/xHTMLWAP 1.2.1
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JavaYesYes
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Java MIDPMIDP 2.0MIDP 1.0
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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 capacity1120 mAh620 mAh
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Talk time5 h5 h
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Standby time250 h220 h
