Celkon C820 vs Celkon CT 2
Celkon C820
Celkon CT 2
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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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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-122012-9
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Status2012
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Design
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SIMDual SIMMini-SIM
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Height210 mm194 mm
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Width131 mm120 mm
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Thickness10.5 mm11.6 mm
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Weight
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ColorsBlack, SilverBlack
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Display
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Display typeCapacitive touchscreenTFT capacitive touchscreen
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Physical size8.0 inches7.0 inches
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Resolution800 x 1280 pixels480 x 800 pixels
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Pixel density189 ppi133 ppi
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Hardware
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CPUDual-core 1 GHz1 GHz ARM Cortex-A8
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Memory RAM512 MB-
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Internal storage4 GB-
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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, v4.2.2 (Jelly Bean)Android OS, v4.0 (Ice Cream Sandwich)
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Main camera
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Main camera3.15 MP
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Primary camera-Yes
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Primary camera resolution2048 x 1536 pixels-
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Primary camera videovideovideo
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Selfie camera
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Secondary camera-No
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Selfie camera1.3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration, Polyphonic, MP3 ringtonesN/A
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Multimedia
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Radio-No
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Radio FMFM radio-
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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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GPSYesYes
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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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 capacity4000 mAh3000 mAh
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Battery removableNon-removableNon-removable
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Talk time14 h3 h
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Standby time500 h100 h