Apple Watch 40mm Series 4 Aluminum vs Sharp Z2
Apple Watch 40mm Series 4 Aluminum
Sharp Z2
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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, 1900, 2100
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4G networkLTEYes
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HSPA speed-HSPA
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LTE speed-LTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-92016-10
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Status2018-92016-10
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Design
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BuildAluminum frame; all-ceramic/sapphire crystal back-
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SIMElectronic SIM card (Apple e-SIM)Dual SIM (Nano-SIM, dual stand-by)
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Height40 mm153 mm
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Width34 mm76 mm
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Thickness10.7 mm8.4 mm
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Weight30 g160 g
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Waterproof50m-
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ColorsGray, Gold, SilverGold, Silver
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Display
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Display typeLTPO AMOLEDLTPS IPS LCD capacitive touchscreen
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Physical size1.57 inches5.5 inches
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Resolution394 x 324 pixels1080 x 1920 pixels
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Pixel density326 ppi401 ppi
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Display colors1677721616777216
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ProtectionIon-X strengthened glassCorning Gorilla 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-Deca-core
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CPUDual-coreDual-core 2.3 GHz Cortex-A72
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CPU(second)quad-core 2 GHz Cortex-A53
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CPU(third)Quad-core 1.4 GHz Cortex-A53
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ChipsetApple S4Mediatek MT6797 Helio X20
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GPUPowerVRMali-T880 MP4
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Internal storage16 GB32 GB
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Memory RAM-4 GB
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Memory card-microSD(uses second SIM slot)
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Memory card max-128 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 camera16 MP
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Primary camera video-1080p@30fps
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Primary camera Autofocus-phase detection autofocus
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Primary camera flash-LED flash
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Camera features-Geo-tagging, HDR, face/smile detection, panorama, touch focus
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; 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
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WLAN WiFi Hotspot-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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Infrared-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 Email-Push Email
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Java-No
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SensorsAccelerometer, barometer, gyro (second gen), heart rateFingerprint, accelerometer, 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-Ion
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Battery capacity-3000 mAh
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Battery removableNon-removableNon-removable
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Standby time18 h-
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Selfie camera
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Selfie camera8 MP
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