Acer Iconia Tab A3-A20FHD vs Oppo R3
Acer Iconia Tab A3-A20FHD
Oppo R3
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Network
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2G networkGSM 850, 900, 1800, 1900
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3G network-TD-SCDMA 1880-1920/2010-2025
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4G network-TD-LTE 1880-1920/ 2300-2400/ 2570-2620
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HSPA+ speed-HSPA+
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LTE speed-LTE
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-102014-6
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Status2014-102014-7
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Design
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SIMNoMicro-SIM
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Height256.5 mm142.3 mm
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Width170.2 mm70.4 mm
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Thickness10.2 mm6.3 mm
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Weight508 g140 g
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ColorsBlack, WhiteBlack, white
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Display
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Display typeLED-backlit IPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size10.1 inches5.0 inches
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Resolution1920 x 1200 pixels720 x 1280 pixels
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Pixel density224 ppi294 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 1.5 GHz ARM Cortex-A7Quad-core 1.6 GHz ARM Cortex-A7
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ChipsetMediatek MT8127Qualcomm Snapdragon 400
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GPUMali-450MP4Adreno 305
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Memory RAM2 GB1 GB
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Internal storage32 GB8 GB
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Memory cardmicroSDmicroSD
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Memory card max128 GB128 GB
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OS
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OSAndroid OS, v4.4 (KitKat)Android OS, v4.3 (Jelly Bean)
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Main camera
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Main camera5 MP8 MP
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Primary camera resolution2592 x 1944 pixels3264 x 2448 pixels
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Primary camera video1080p1080p
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera featuresGeo-tagging-
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Selfie camera
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Selfie camera2 MP5 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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NotificationsMP3, WAV ringtonesVibration, MP3, WAV ringtones
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio with RDS
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Upnp-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DP-Yes
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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 EmailPush Email
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer-
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity5910 mAh2410 mAh
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Battery removableNon-removable-
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Talk time8 h-
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Standby time--