Apple Watch 40mm Series 4 vs Asus Zenpad 3 8.0 Z581KL
Apple Watch 40mm Series 4
Asus Zenpad 3 8.0 Z581KL
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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, 2100
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4G networkLTELTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 18(800), 20(800), 26(850), 28(700), 38(2600), 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-A speed-LTE-A, (2CA) Cat6, 300 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 announced2018-92016-12
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Status2018-92017-1
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Design
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BuildStainless Steel frame; all-ceramic/sapphire crystal back-
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SIMElectronic SIM card (Apple e-SIM)Micro-SIM
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Height40 mm205.4 mm
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Width34 mm136.4 mm
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Thickness10.7 mm7.6 mm
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Weight40 g320 g
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Waterproof50m-
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ColorsBlack, Gold, SilverBlack
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Display
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Display typeLTPO AMOLEDIPS LCD capacitive touchscreen
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Physical size1.57 inches7.9 inches
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Resolution394 x 324 pixels1536 x 2048 pixels
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Pixel density326 ppi324 ppi
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Display colors1677721616777216
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ProtectionSapphire crystal glass-
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MultitouchYesYes
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Display features3D Touch display, 1000 nits-
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Hardware
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CPU-Hexa-core
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CPUDual-coreQuad-core 1.4 GHz Cortex-A53
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CPU(second)dual-core 1.8 GHz Cortex-A72
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ChipsetApple S4Qualcomm MSM8956 Snapdragon 650
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GPUPowerVRAdreno 510
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Internal storage16 GB32 GB
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Memory RAM-4 GB
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Memory card-microSD
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Memory card max-256 GB
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OS
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OSwatchOS 5.0Android OS, v6.0 (Marshmallow)
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Main camera
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Primary cameraNo-
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Main camera8 MP
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Primary camera video-1080p@30fps
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Camera features-Geo-tagging
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration; 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 802.11a, 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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WLAN WiFi Dual Band-Yes
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USBNoType-C reversible connector
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Bluetoothv5.0v4.1
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptX-Yes
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYes-
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QZSSYes-
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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 Email-Email
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Messaging IM-IM
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Messaging Push Mail-Push Mail
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Java-No
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SensorsAccelerometer, barometer, gyro (second gen), heart rateAccelerometer, compass, gyro, proximity
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Browser
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HTMLNoHTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity270 mAh4680 mAh
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Battery removableNon-removableNon-removable
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Talk time-10 h
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Standby time18 h-
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Selfie camera
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Selfie camera2 MP