Acer Iconia Tab A3-A20 vs NIU C21A
Acer Iconia Tab A3-A20
NIU C21A
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Network
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2G networkGSM 850, 900, 1800, 1900
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GPRSYes
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EDGE
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Availability
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Oficially announced2014-102013-3
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Status2014-102013-4
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Design
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SIMNoDual SIM (Mini-SIM)
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Height256.5 mm106 mm
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Width170.2 mm45 mm
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Thickness10.2 mm14.5 mm
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Weight508 g73 g
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ColorsBlack, WhiteBlack, Blue, Fuchsia, Green, Purple, Red, White
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Display
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Display typeLED-backlit IPS LCD capacitive touchscreenTFT
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Physical size10.1 inches1.8 inches
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Resolution1280 x 800 pixels128 x 160 pixels
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Pixel density149 ppi114 ppi
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Display colors16777216262144
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A7
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ChipsetMediatek MT8127-
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GPUMali-450MP4-
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Memory RAM1 GB-
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Internal storage16 GB64 Mbit
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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)-
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Main camera
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Main camera5 MP
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Primary camera resolution2592 x 1944 pixels640 x 480 pixels
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Primary camera video1080pno
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Camera featuresGeo-taggingNo
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Selfie camera
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Secondary camera-No
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Selfie camera2 MP
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Sound
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3.5mm jackYesNo
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LoudspeakerYes, with stereo speakersYes
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NotificationsMP3, WAV ringtonesVibration, Polyphonic
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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USBmicroUSB 2.0Yes
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Bluetoothv4.0v2.0
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GPSYes, with A-GPSNo
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Features
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Messaging SMS-SMS
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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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JavaNoNo
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SensorsAccelerometer-
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity5910 mAh600 mAh
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Battery removableNon-removable-
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Talk time9 h4 h
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Standby time-200 h
