Celkon C517 vs Micromax X640
Celkon C517
Micromax X640
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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GPRSYesYes
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EDGE
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Availability
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Oficially announced2014-122012
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Status2012-5
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM)
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Height108 mm113.5 mm
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Width46 mm57.5 mm
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Thickness14 mm12.2 mm
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Weight106 g
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ColorsBlackBlack
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Display
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Display typeTFTTFT touchscreen
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Physical size1.8 inches3.2 inches
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Resolution176 x 220 pixels-
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Pixel density157 ppi-
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Hardware
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Memory cardmicroSDmicroSD
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Memory card max4 GB8 GB
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Main camera
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Main camera2 MP
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Primary camera resolution640 x 480 pixels1600 x 1200 pixels
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Primary camera videovideovideo
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jack-Yes
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LoudspeakerYesYes
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NotificationsVibration, PolyphonicVibration, Polyphonic, MP3 ringtones
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Multimedia
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Radio FMStereo FM radioFM radio
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Connectivity
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WLAN
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USBYesYes
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BluetoothYesYes
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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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WAP-Yes
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JavaNoYes
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Browser
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1800 mAh-
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Talk time7 h 30 min4 h 40 min
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Standby time600 h200 h
