Celkon S1 vs Micromax X660
Celkon S1
Micromax X660
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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3G networkHSDPA 2100-
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HSDPA speedHSDPA-
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HSUPA speedHSUPA-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-22012
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Status2014-22012-5
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Design
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SIMDual SIMDual SIM (Mini-SIM)
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Height144 mm119.4 mm
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Width71 mm61.3 mm
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Thickness8.9 mm12.4 mm
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Weight137 g121 g
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ColorsBlackBlack, White
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Display
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Display typeIPS LCD capacitive touchscreenTFT touchscreen
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Physical size5.0 inches3.5 inches
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Resolution1080 x 1920 pixels320 x 480 pixels
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Pixel density441 ppi165 ppi
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Display colors16777216-
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Hardware
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CPUQuad-core 1.5 GHz
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Memory RAM1 GB-
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Internal storage16 GB60 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, v4.2.1 (Jelly Bean)-
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Main camera
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Main camera13 MP3.2 MP
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Primary camera resolution4160 x 3120 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Secondary camera-No
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Selfie camera8 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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Radio FMFM radioFM radio
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Radio recording-FM recording
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g
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WLAN WiFi HotspotYes-
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USBmicroUSB 2.0Yes
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BluetoothYesYes
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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 EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush MailPush Email
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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorYes
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2300 mAh1200 mAh
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Talk time-4 h
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Standby time-200 h
