Acer Iconia Tab B1-A71 vs Celkon C409
Acer Iconia Tab B1-A71
Celkon C409
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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 announced2013-12014-12
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Status2013-1
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Design
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SIMNoDual SIM (Mini-SIM)
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Height197.4 mm110 mm
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Width128.5 mm44 mm
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Thickness11.3 mm16 mm
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Weight320 g86 g
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ColorsBlackBlack/Red
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size7.0 inches1.8 inches
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Resolution600 x 1024 pixels176 x 220 pixels
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Pixel density170 ppi157 ppi
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Display colors262144-
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Hardware
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CPUDual-core 1.2 GHz ARM Cortex-A9
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ChipsetMediatek MT8317-
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GPUSGX531u-
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Memory RAM512 MB-
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Internal storage8, 16 GB-
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Memory cardmicroSDmicroSD
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Memory card max32 GB4 GB
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OS
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OSAndroid OS, v4.1 (Jelly Bean)-
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Main camera
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Main camera1.3 MP
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Primary camera resolution640 x 480 pixels1280 x 1024 pixels
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Primary camera videovideovideo
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYes-
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LoudspeakerYesYes
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NotificationsN/AVibration, Polyphonic
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio
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Radio wfm-WFM
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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USBmicroUSB 2.0Yes
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Bluetoothv4.0Yes
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GPSYesNo
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Features
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Messaging SMS-SMS
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Messaging MMS-MMS
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLHTML5-
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Browser-Yes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2710 mAh1800 mAh
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Battery removableNon-removable-
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Talk time-7 h 30 min
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Standby time-600 h
