Apple iPad 2 Wi-Fi + 3G vs Celkon A9+
Apple iPad 2 Wi-Fi + 3G
Celkon A9+
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 850, 900, 1900, 2100-
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HSDPA speedHSDPA, 14.4 Mbps-
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HSUPA speedHSUPA, 2 Mbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2011-32013-4
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Status2011-32013-5
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Design
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SIMMicro-SIMDual SIM (Mini-SIM)
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Height241.2 mm119.5 mm
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Width185.7 mm63 mm
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Thickness8.8 mm10.8 mm
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Weight607 g
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ColorsBlack, WhiteBlack, White
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Display
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Display typeLED-backlit IPS LCD, capacitive touchscreenTFT capacitive touchscreen
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Physical size9.7 inches3.5 inches
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Resolution768 x 1024 pixels320 x 480 pixels
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Pixel density132 ppi165 ppi
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Display colors16777216-
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Hardware
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CPUDual-core 1 GHz ARM Cortex-A91 GHz
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ChipsetApple A5Spreadtrum SC6820
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GPUPowerVR SGX543MP2-
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Memory ROM-512 MB
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Memory RAM512 MB256 MB
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Internal storage16, 32, 64 GB-
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSiOS 4Android OS, v4.0 (Ice Cream Sandwich)
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Main camera
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Camera typeVideo-
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Main camera0.7 MP2 MP
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Primary camera resolution960 x 720 pixels1600 x 1200 pixels
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Primary camera video720p@30fpsvideo
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Selfie camera
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Secondary cameraVGA cameraYes
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsN/AVibration, Polyphonic, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Dual BandYes-
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USB2.0microUSB 2.0
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Bluetoothv2.1Yes
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Bluetooth A2DPYes-
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Bluetooth EDRYes-
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GPSYes, with A-GPSNo
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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 iMessageiMessage-
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Messaging Push EmailPush EmailPush Email
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JavaNoYes, via Java MIDP emulator
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Browser
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HTMLHTML (Safari)Yes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity6930 mAh1350 mAh
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Battery removableNon-removable-
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Talk time9 h5 h
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Standby time720 h260 h
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