Alcatel OT-S521A vs BenQ-Siemens M81
Alcatel OT-S521A
BenQ-Siemens M81
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Network
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2G networkGSM 850, 1900GSM 900, 1800, 1900
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-122006-6
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Status
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Design
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SIMMini-SIMMini-SIM
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Height103.5 mm105.3 mm
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Width44.9 mm47.5 mm
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Thickness10.9 mm18.4 mm
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Weight83 g96 g
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ColorsCherry red, Dark greyGraphite Black, Steel Blue
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Display
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Display typeSTNTFT
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Physical size1.8 inches1.8 inches
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Resolution128 x 160 pixels132 x 176 pixels
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Pixel density114 ppi122 ppi
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Display colors-262144
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Hardware
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Internal storage2 MB27 MB
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Memory cardRS-MMC
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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 cameraNoNo
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Sound
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3.5mm jackNoNo
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LoudspeakerYesNo
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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 2.02.0
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BluetoothYes
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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 Messaging-Instant Messaging
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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 mAh820 mAh
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Talk time10 h5 h
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Standby time400 h300 h
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