Alcatel OT-S521A vs BenQ-Siemens EF91
Alcatel OT-S521A
BenQ-Siemens EF91
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Network
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2G networkGSM 850, 1900GSM 900, 1800, 1900
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3G network-HSDPA 2100
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HSDPA speed-HSDPA
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GPRSYesYes
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EDGE
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Availability
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Oficially announced2014-122006-2
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Status
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Design
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SIMMini-SIMMini-SIM
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Height103.5 mm92 mm
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Width44.9 mm46.5 mm
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Thickness10.9 mm23.5 mm
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Weight83 g100 g
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ColorsCherry red, Dark greyArctic Silver
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Display
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Display typeSTNTFT
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Physical size1.8 inches2.0 inches
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Resolution128 x 160 pixels240 x 320 pixels
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Pixel density114 ppi200 ppi
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Display colors-262144
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Hardware
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Internal storage2 MB32 MB
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Memory cardmicroSD
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Main camera
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Main camera3.15 MP
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Primary camera resolution640 x 480 pixels2048 x 1536 pixels
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Primary camera videonovideo
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Primary camera Autofocus-autofocus
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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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LoudspeakerYesYes
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NotificationsVibration; Polyphonic(64), MP3 ringtonesVibration; Downloadable polyphonic, MP3 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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USBminiUSB 2.0Yes
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Bluetoothv1.2
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Bluetooth A2DP-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 Email-Email
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaNoYes
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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 capacity750 mAh1000 mAh
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Talk time10 h-
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Standby time400 h-
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