Acer Iconia Tab B1-A71 vs Celkon A9+
Acer Iconia Tab B1-A71
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 announced2013-12013-4
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Status2013-12013-5
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Design
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SIMNoDual SIM (Mini-SIM)
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Height197.4 mm119.5 mm
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Width128.5 mm63 mm
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Thickness11.3 mm10.8 mm
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Weight320 g
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ColorsBlackBlack, White
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size7.0 inches3.5 inches
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Resolution600 x 1024 pixels320 x 480 pixels
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Pixel density170 ppi165 ppi
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Display colors262144-
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Hardware
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CPUDual-core 1.2 GHz ARM Cortex-A91 GHz
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ChipsetMediatek MT8317Spreadtrum SC6820
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GPUSGX531u-
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Memory ROM-512 MB
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Memory RAM512 MB256 MB
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Internal storage8, 16 GB-
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v4.1 (Jelly Bean)Android OS, v4.0 (Ice Cream Sandwich)
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Main camera
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Main camera2 MP
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Primary camera resolution640 x 480 pixels1600 x 1200 pixels
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Primary camera videovideovideo
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Selfie camera
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Secondary cameraNoYes
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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 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0Yes
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GPSYesNo
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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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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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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 capacity2710 mAh1350 mAh
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Battery removableNon-removable-
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Talk time-5 h
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Standby time-260 h
