Acer Iconia Tab A3-A20 vs Celkon A9+
Acer Iconia Tab A3-A20
Celkon A9+
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Network
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2G networkGSM 900, 1800
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-102013-4
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Status2014-102013-5
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Design
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SIMNoDual SIM (Mini-SIM)
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Height256.5 mm119.5 mm
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Width170.2 mm63 mm
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Thickness10.2 mm10.8 mm
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Weight508 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 size10.1 inches3.5 inches
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Resolution1280 x 800 pixels320 x 480 pixels
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Pixel density149 ppi165 ppi
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Display colors16777216-
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A71 GHz
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ChipsetMediatek MT8127Spreadtrum SC6820
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GPUMali-450MP4-
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Memory ROM-512 MB
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Memory RAM1 GB256 MB
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Internal storage16 GB-
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Memory cardmicroSDmicroSD
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Memory card max128 GB32 GB
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OS
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OSAndroid OS, v4.4 (KitKat)Android OS, v4.0 (Ice Cream Sandwich)
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Main camera
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Main camera5 MP2 MP
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Primary camera resolution2592 x 1944 pixels1600 x 1200 pixels
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Primary camera video1080pvideo
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Camera featuresGeo-tagging-
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Selfie camera
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Secondary camera-Yes
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Selfie camera2 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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NotificationsMP3, WAV ringtonesVibration, 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 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0Yes
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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 Push EmailPush EmailPush Email
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer-
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity5910 mAh1350 mAh
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Battery removableNon-removable-
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Talk time9 h5 h
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Standby time-260 h
