Acer Iconia Tab A1-811 vs Lenovo Vibe X2
Acer Iconia Tab A1-811
Lenovo Vibe X2
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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 850, 900, 1700, 1900, 2100
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HSDPA speedHSDPA42.2 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 announced20132014-9
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Status20132014-10
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Design
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SIMYesMicro-SIM - Single SIM modelDual SIM (Micro-SIM/Nano-SIM, dual stand-by)
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Height208.7 mm140.2 mm
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Width145.7 mm68.6 mm
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Thickness11.1 mm7.3 mm
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Weight430 g120 g
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ColorsWhiteCharcoal, Gold, Red, White
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size7.9 inches5.0 inches
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Resolution768 x 1024 pixels1080 x 1920 pixels
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Pixel density162 ppi441 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 1.2 GHzQuad-core 2.0 GHz ARM Cortex-A17
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CPU(second)quad-core 1.7 GHz ARM Cortex-A7
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ChipsetMediatek MT8389WMediaTek MT6595m True8Core
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GPU-PowerVR G600
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Memory RAM1 GB2 GB
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Internal storage8 GB32 GB
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Memory cardmicroSD
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Memory card max32 GB-
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OS
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OSAndroid OS, v4.2 (Jelly Bean)Android OS, v4.4 (KitKat)
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Main camera
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Camera type-Photo / Video
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Main camera5 MP13 MP
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Primary camera resolution2592 x 1944 pixels4160 x 3120 pixels
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Primary camera videovideo1080p@30fps
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Primary camera Autofocusautofocusautofocus
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Primary camera flash-LED flash
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Camera features-Geo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Secondary cameraVGA camera-
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Selfie camera5 MP
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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, WAV 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, 802.11ac
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WLAN WiFi HotspotYesYes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.1
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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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 emulatorYes, via Java MIDP emulator
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Sensors-Accelerometer, compass, 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 mAh2300 mAh
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Battery removableNon-removableNon-removable
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Talk time7 h-
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Talk time 2G-17 h
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Talk time 3G-19 h
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Standby time--
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Standby time 2G-228 h
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Standby time 3G-216 h
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