Samsung U100 vs Siemens AL21
Samsung U100
Siemens AL21
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Network
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2G networkGSM 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 announced2007-22005-11
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Status
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Design
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SIMMini-SIMMini-SIM
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Height105.5 mm86.8 mm
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Width50 mm45.8 mm
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Thickness5.9 mm19.2 mm
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Weight57 g78 g
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ColorsBlue/Violet, Gold, Gray/BlackBlack Magic, Red Temptation
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Display
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Display typeTFTTFT
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Physical size1.93 inches-
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Resolution220 x 176 pixels130 x 130 pixels
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Pixel density146 ppi-
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Display colors26214466560
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Hardware
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Internal storage70 MB1.5 MB
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Memory card
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Main camera
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Main camera3.15 MP
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Primary camera resolution2048 x 1536 pixels-
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Primary camera videoCIF-
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Selfie camera
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Secondary 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; 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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USB2.0Yes
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Bluetoothv2.0
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Bluetooth A2DPYes-
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging EMSEMSEMS
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Messaging MMSMMSMMS
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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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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity690 mAh600 mAh
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Talk time2 h 30 min5 h
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Standby time185 h220 h
