Asus ZenPad Z8 vs Cat S31
Asus ZenPad Z8
Cat S31
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Network
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2G network-GSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 900, 1900, 2100 - EU; HSDPA 850, 900, 1700(AWS), 1900, 2100 - USA
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4G networkLTE frequency band 2(1900), 4(1700/2100), 5(850), 13(700)LTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800) - EU; LTE frequency band 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700) - USA
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LTE speedLTELTE, 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 announced2016-62017-9
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Status2016-62017-10
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Design
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SIMMicro-SIM(built-in)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height205.2 mm146 mm
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Width136.4 mm74.4 mm
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Thickness-12.6 mm
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Weight320.1 g200 g
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Waterproof-IP68, 1.2 m and 35 minutes
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Dust proof-IP68
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MIL-STD-810G-Yes - dust, humidity, rain, salt, vibration, solar radiation, transport and thermal shock resistant
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ColorsBlackBlack
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Display
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Display typeIPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size7.9 inches4.7 inches
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Resolution1536 x 2048 pixels720 x 1280 pixels
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Pixel density324 ppi312 ppi
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Display colors16777216-
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Protection-Corning Gorilla Glass 3
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A7
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ChipsetQualcomm MSM8956 Snapdragon 650Qualcomm MSM8909 Snapdragon 210
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GPU-Adreno 304
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Memory RAM2 GB2 GB
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Internal storage16 GB16 GB
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Memory cardmicroSDmicroSD
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Memory card max256 GB64 GB
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OS
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OSAndroid OS, v6.0 (Marshmallow)Android 7.0 (Nougat)
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Main camera
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Main camera8 MP8 MP
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Primary camera videovideo720p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera featuresYesGeo-tagging, face detection, touch focus
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Selfie camera
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Secondary cameraYes-
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Selfie camera2 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, dual speakersYes
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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-FiWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-Go-Yes
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BluetoothYesv4.1
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Bluetooth A2DP-Yes
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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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BDS-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 Email-Push Email
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Messaging Push MailPush Mail-
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JavaNoNo
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SensorsAccelerometerAccelerometer, compass, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity4680 mAh4000 mAh
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Battery removableNon-removableNon-removable