Celkon CT 1 vs ZTE N721
Celkon CT 1
ZTE N721
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Network
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2G networkGSM 900, 1800
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3G network-HSDPA 850, 2100
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HSDPA speed-HSDPA, 7.2 Mbps
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2012-82014-12
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Status2012-8
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Design
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SIMNoMini-SIM
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Height196 mm106 mm
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Width114 mm56.2 mm
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Thickness14 mm14.2 mm
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Weight105 g
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ColorsBlack, RedBlack
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Display
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Display typeTFT capacitive touchscreenTFT touchscreen
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Physical size7.0 inches2.8 inches
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Resolution480 x 800 pixels240 x 320 pixels
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Pixel density133 ppi143 ppi
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Display colors-57344
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Hardware
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CPU1.2 GHz ARM Cortex-A8
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Internal storage-150 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v4.0.4 (Ice Cream Sandwich)Android OS
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Main camera
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Main camera2 MP2 MP
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Primary camera resolution1600 x 1200 pixels1600 x 1200 pixels
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Primary camera videovideovideo
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Selfie camera
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Secondary cameraYesNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsN/AVibration; MP3, WAV ringtones
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Multimedia
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RadioNo-
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Connectivity
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WLANWi-Fi 802.11b, 802.11gWi-Fi 802.11b, 802.11g
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USBYesmicroUSB 2.0
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BluetoothYes
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InfraredYes-
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GPSYesYes, with A-GPS
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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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 capacity3000 mAh1100 mAh
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Battery removableNon-removable-
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Talk time3 h4 h 10 min
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Standby time100 h250 h