Acer Iconia Tab 8 A1-840FHD vs Asus Zenfone 3 Ultra ZU680KL
Acer Iconia Tab 8 A1-840FHD
Asus Zenfone 3 Ultra ZU680KL
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Network
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2G networkGSM 850, 900, 1800, 1900
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3G network-HSDPA 800, 850, 900, 1900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500)
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE, Cat6, 300 Mbps download, 50 Mbps upload
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-62016-5
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Status20142016-6
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Design
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SIMNoDual SIM (Nano-SIM/ Micro-SIM, dual stand-by)
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Height186.4 mm
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Width93.9 mm
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Thickness6.8 mm
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Weight360 g233 g
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ColorsSilverGlacier Silver, Metallic Pink, Titanium Gray
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size8.0 inches6.8 inches
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Resolution1200 x 1920 pixels1080 x 1920 pixels
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Pixel density283 ppi324 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass 4
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Multitouch-Yes, max 10 fingers
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Hardware
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CPUQuad-core 1.86 GHzQuad-core 1.8 GHz ARM Cortex-A72
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CPU(second)quad-core 1.4 GHz ARM Cortex-A53
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ChipsetIntel Atom Z3745Qualcomm MSM8976 Snapdragon 652
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GPU-Adreno 510
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Memory RAM2 GB3, 4 GB
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Internal storage16, 32 GB32, 64, 128 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB256 GB
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OS
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OSAndroid OS, v4.4.2 (KitKat)Android OS, v6.0.1 (Marshmallow)
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Main camera
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Primary cameraYes-
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Main camera23 MP, f/2.0
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Primary camera videovideo1080p@30fps
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Primary camera flash-dual-LED (dual tone) flash
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Primary camera optical image stabilization-4-axis optical image stabilization
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Primary camera phase detection autofocus-phase detection autofocus
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Primary camera laser autofocus-laser autofocus
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Camera features-1 µm pixel size, 1/2.6" sensor size, HDR, face detection, geo-tagging, panorama, touch focus
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Selfie camera
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Secondary cameraYes-
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Selfie camera8 MP, f/2.0
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Selfie camera video-1080p
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, dual speakers
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NotificationsVibration; MP3, WAV 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 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0Type-C 1.0 reversible connector
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USB On-The-Go-Yes
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BluetoothYesv4.2
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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Bluetooth EDR-Yes
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Infrared-Yes
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GPS-Yes, with A-GPS
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GLONASS-Yes
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BDS-Yes
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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 IMIMIM
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Messaging Push EmailPush MailPush Email
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JavaYes, via Java MIDP emulatorNo
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Sensors-Fingerprint, accelerometer, compass, gyro, proximity
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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-4600 mAh
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Battery removable-Non-removable
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Talk time7 h 30 min-
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Talk time 3G-34 h
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Standby time--
