Alcatel OT 556 vs BenQ-Siemens S81
Alcatel OT 556
BenQ-Siemens S81
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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3G network-UMTS 2100
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Speed Yes-Yes, 384 kbps
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GPRSYesYes
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EDGE
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Availability
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Oficially announced20042006-2
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Status
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Design
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SIMMini-SIMMini-SIM
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Height108 mm109 mm
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Width48 mm48 mm
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Thickness21 mm13 mm
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Weight93 g99 g
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Colors-Black/Silver
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Display
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Display typeCSTNTFT
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Physical size-2.0 inches
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Resolution128 x 160 pixels176 x 220 pixels
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Pixel density-141 ppi
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Display colors66560262144
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Hardware
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Internal storage2 MB30 MB
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Memory cardmicroSD
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Main camera
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Main camera1.3 MP
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Primary camera resolution640 x 480 pixels1280 x 1024 pixels
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Primary camera videonovideo
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraNoVGA camera
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Sound
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3.5mm jackNoNo
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LoudspeakerNoNo
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NotificationsVibration; Downloadable polyphonic ringtones, composerVibration; Downloadable polyphonic, MP3, AAC 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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Bluetoothv1.1
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InfraredYes-
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging EMSEMS-
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Messaging MMSMMSMMS
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Messaging Email-Email
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaYesYes
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Java MIDP-MIDP 2.0
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity800 mAh920 mAh
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Talk time6 h4 h 50 min
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Standby time270 h320 h
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