Acer Iconia Tab A1-811 vs Allview X2 Xtreme
Acer Iconia Tab A1-811
Allview X2 Xtreme
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPAHSDPA 900, 1900, 2100
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HSDPA speedHSDPA21.1 Mbps
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HSUPA speedHSUPA5.76 Mbps
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LTE speed-LTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced20132015-6
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Status20132015-8
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Design
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SIMYesDual SIM (Micro-SIM, dual stand-by)
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Height208.7 mm164 mm
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Width145.7 mm82 mm
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Thickness11.1 mm9.6 mm
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Weight430 g204.4 g
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ColorsWhiteGold
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Display
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Display typeTFT capacitive touchscreenAMOLED capacitive touchscreen
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Physical size7.9 inches6.0 inches
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Resolution768 x 1024 pixels1440 x 2560 pixels
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Pixel density162 ppi490 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 1.2 GHzOcta-core 2 GHz ARM Cortex-A53
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ChipsetMediatek MT8389WMediatek MT6795
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GPU-PowerVR G6200
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Memory RAM1 GB3 GB
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Internal storage8 GB64 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB128 GB
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OS
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OSAndroid OS, v4.2 (Jelly Bean)Android OS, v5.1 (Lollipop)
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Main camera
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Main camera5 MP24 MP
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Primary camera resolution2592 x 1944 pixels5632 x 4224 pixels
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Primary camera videovideo2160p@30fps
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Primary camera Autofocusautofocus-
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Primary camera flash-dual-LED (dual tone) flash
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Primary camera image stabilization-optical image stabilization
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Primary camera phase detection autofocus-phase detection autofocus
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Camera features-1/2.3'' sensor size, HDR, face/smile detection, geo-tagging, panorama, touch focus
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Selfie camera
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Secondary cameraVGA camera-
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Selfie camera8 MP
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Secondary camera autofocus-autofocus
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Radio recording-FM recording
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0microUSB 2.0
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USB host-Yes
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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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Bluetooth EDR-Yes
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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 IMIMIM
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Messaging Push EmailPush EmailPush Mail
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JavaYes, via Java MIDP emulatorNo
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Sensors-Accelerometer, compass, gyro, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity4960 mAh3500 mAh
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Battery removableNon-removable-
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Talk time7 h-
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Talk time 3G-12 h
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Standby time--
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Standby time 3G-350 h
