Acer Iconia Tab A1-811 vs ZTE V821
Acer Iconia Tab A1-811
ZTE V821
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA-
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HSDPA speedHSDPA-
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HSUPA speedHSUPA-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced20132011-6
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Status20132011-6
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Design
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SIMYesDual SIM (Mini-SIM)
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Height208.7 mm116 mm
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Width145.7 mm56.5 mm
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Thickness11.1 mm11.8 mm
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Weight430 g120 g
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Keyboard-QWERTY
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ColorsWhiteBlack
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Display
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Display typeTFT capacitive touchscreenTFT resistive touchscreen
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Physical size7.9 inches-
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Resolution768 x 1024 pixels320 x 240 pixels
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Pixel density162 ppi-
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Display colors1677721666560
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Hardware
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CPUQuad-core 1.2 GHz416 MHz
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ChipsetMediatek MT8389WMediatek MT6516
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Memory RAM1 GB-
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Internal storage8 GB256 MB
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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, v4.2 (Jelly Bean)Android OS, v2.2 (Froyo)
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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 videovideovideo
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Primary camera Autofocusautofocusautofocus
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Selfie camera
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Secondary cameraVGA cameraNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration; 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
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WLAN WiFi HotspotYesYes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v2.1
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIM-
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Messaging Push EmailPush Email-
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WAP-WAP 2.0/xHTML
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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-IonLi-Ion
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Battery capacity4960 mAh-
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Battery removableNon-removable-
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Talk time7 h-
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Standby time--
