Acer Iconia Tab 10 A3-A40 vs Celkon C820
Acer Iconia Tab 10 A3-A40
Celkon C820
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Network
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2G networkGSM 900, 1800
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3G network-HSDPA 2100
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HSDPA speed-HSDPA
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HSUPA speed-HSUPA
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2016-42014-12
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Status2016-5
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Design
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SIMNoDual SIM
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Height259 mm210 mm
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Width167 mm131 mm
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Thickness8.9 mm10.5 mm
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Weight529 g
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ColorsBlackBlack, Silver
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Display
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Display typeIPS LCD capacitive touchscreenCapacitive touchscreen
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Physical size10.1 inches8.0 inches
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Resolution1920 x 1200 pixels800 x 1280 pixels
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Pixel density224 ppi189 ppi
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Display colors16777216-
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MultitouchYes-
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A53Dual-core 1 GHz
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ChipsetMediatek MT8163A-
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GPUMali-T720 MP2-
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Memory RAM2 GB512 MB
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Internal storage16, 32, 64 GB4 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, v6.0 (Marshmallow)Android OS, v4.2.2 (Jelly Bean)
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Main camera
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Main camera5 MP3.15 MP
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Primary camera resolution-2048 x 1536 pixels
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Primary camera video1080pvideo
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Camera featuresYes-
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Selfie camera
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Selfie camera2 MP1.3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakers (4 speakers)Yes
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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesYes
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GPS-Yes
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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 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-IonLi-Ion
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Battery capacity-4000 mAh
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Battery removableNon-removableNon-removable
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Talk time-14 h
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Standby time-500 h
