Alcatel OT-978 vs Celkon C747
Alcatel OT-978
Celkon C747
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100-
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HSDPA speedHSDPA-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-122014-12
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Status
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height127.4 mm112 mm
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Width66.1 mm47 mm
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Thickness10.9 mm13 mm
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Weight144.5 g128 g
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ColorsBlackBlack/Gray
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size4.0 inches2.2 inches
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Resolution480 x 800 pixels176 x 220 pixels
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Pixel density233 ppi128 ppi
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Display colors16777216-
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Hardware
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Internal storage512 MB-
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Memory cardmicroSDmicroSD
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Memory card max32 GB8 GB
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OS
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OSAndroid OS, v2.3 (Gingerbread)-
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Main camera
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Main camera3.15 MP2 MP
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Primary camera resolution2048 x 1536 pixels1600 x 1200 pixels
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Primary camera videovideovideo
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Selfie camera
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Secondary cameraVGA cameraNo
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Sound
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3.5mm jackYes-
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LoudspeakerYesYes
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NotificationsVibration; MP3 ringtonesVibration, Polyphonic
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Multimedia
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Radio FMFM radio-
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Radio wfm-WFM
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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USBmicroUSB 2.0Yes
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Bluetoothv3.0Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMSMMS
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Messaging EmailEmail-
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Messaging IMIM-
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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLYes-
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Browser-Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-1500 mAh
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Talk time-6 h 40 min
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Standby time-550 h
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