Celkon A20 vs Yezz Classic C21
Celkon A20
Yezz Classic C21
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100-
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Speed YesYes, 384 kbps-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2013-82014-3
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Status2013-82014-4
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM)
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Height106 mm
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Width45 mm
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Thickness14.5 mm
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Weight73 g
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ColorsBlackBlack, Blue, Gray, Green, Purple, Red, White
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size4.0 inches1.8 inches
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Resolution480 x 800 pixels128 x 160 pixels
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Pixel density233 ppi114 ppi
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Display colors-66560
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Hardware
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CPUDual-core 1.2 GHz
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Memory ROM256 MB-
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Memory RAM512 MB-
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Internal storage-64 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, v4.2.0 (Jelly Bean)-
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Main camera
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Main camera3.15 MP
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Primary camera resolution2048 x 1536 pixels640 x 480 pixels
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Primary camera videovideono
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Selfie camera
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Secondary cameraVGA cameraNo
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration; ringtones
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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USBmicroUSB 2.0Yes
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BluetoothYesv2.1
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GPSNoNo
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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 IMIMIM
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Messaging Push EmailPush Email-
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WAP-Yes
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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1500 mAh600 mAh
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Talk time-4 h
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Standby time-150 h
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Multimedia
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Radio FM-Stereo FM radio
