Acer Iconia Tab 8 A1-840FHD vs Oppo R811 Real
Acer Iconia Tab 8 A1-840FHD
Oppo R811 Real
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Network
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2G networkGSM 900, 1800, 1900
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3G network-TD-SCDMA 1880-1920/2010-2025
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HSPA speed-HSPA
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GPRSYes
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EDGEYes
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Availability
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Status20142012-12
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Oficially announced2014-62012-10
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Design
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SIMNoDual SIM (Mini-SIM, dual stand-by)
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Height115.2 mm
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Width61.5 mm
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Thickness10.9 mm
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Weight360 g119 g
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ColorsSilverWhite
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Display
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Display typeIPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size8.0 inches3.5 inches
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Resolution1200 x 1920 pixels320 x 480 pixels
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Pixel density283 ppi165 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 1.86 GHz1 GHz ARM Cortex-A9
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ChipsetIntel Atom Z3745Mediatek MT6515
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GPU-PowerVR SGX531
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Memory RAM2 GB512 MB
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Internal storage16, 32 GB4 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, v4.4.2 (KitKat)Android OS, v4.0.4 (Ice Cream Sandwich)
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Main camera
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Primary cameraYes-
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Main camera3.15 MP
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Primary camera resolution-2048 x 1536 pixels
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Primary camera videovideovideo
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Primary camera Autofocus-autofocus
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Selfie camera
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Secondary cameraYesYes
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration, MP3, WAV ringtones
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Multimedia
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RadioNoNo
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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 Hotspot-Yes
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesYes
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GPS-Yes, with A-GPS
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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 IMIM-
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Messaging Push EmailPush MailPush Email
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLHTML5HTML5
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Battery
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Battery type-Li-Ion
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Battery capacity-1520 mAh
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Talk time7 h 30 min10 h
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Standby time-250 h
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