Apple Watch Sport Series 2 38mm vs Samsung Galaxy J7 Duo
Apple Watch Sport Series 2 38mm
Samsung Galaxy J7 Duo
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Network
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2G networkGSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 900, 1900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)
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LTE speed-LTE, Cat4, 150 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 announced2016-122018-4
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Status2018-4
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Design
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BuildAluminum/Ceramic backMetal
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SIMNoSingle SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
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Height38.6 mm153.5 mm
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Width33.3 mm77.2 mm
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Thickness11.4 mm8.2 mm
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Weight28.2 g174 g
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Waterproof50m-
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ColorsCase colors: silver, black; Band types: sport, blue, gold, gray; Band colors: gray, pink, rose gold, white, woven nylon, yellowBlack, Gold, Rose Gold, White
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Display
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Display typeAMOLED capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size1.5 inches5.5 inches
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Resolution340 x 272 pixels720 x 1280 pixels
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Pixel density290 ppi267 ppi
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Display colors1677721616777216
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ProtectionIon-X strengthened glass2.5D curved glass screen
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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-Octa-core
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CPUDual-core 780 MHz ARM Cortex-A7Dual-core 2.2 GHz Cortex-A73
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CPU(second)Hexa-core 1.6 GHz Cortex-A53
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ChipsetApple S2Exynos 7885 Octa
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GPUPowerVR G6200Mali-G71
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Memory RAM512 MB4 GB
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Internal storage8 GB32 GB
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Memory cardmicroSD
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Memory card max-256 GB
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OS
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OSwatchOS 3.0Android 8.0 (Oreo)
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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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Earpiece-Yes
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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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WLAN WiFi Dual Band-Yes
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USBYes
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFCYes-
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GPSYesYes, with A-GPS
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GLONASSYesYes
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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 MMS-MMS
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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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JavaNo-
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SensorsAccelerometer, gyro, heart rateFingerprint (front-mounted), accelerometer, proximity
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Browser
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HTML-HTML5
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity273 mAh3000 mAh
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Battery removableNon-removableRemovable
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Standby time18 h-
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Main camera
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Camera type-Dual
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Main camera13 MP, f/1.9
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5 MP, f/1.9
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video-1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera features-Geo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Flash-LED flash
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Selfie camera8 MP, f/1.9
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Selfie camera resolution-3264 x 2448 pixels
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Selfie camera video-720p@30fps
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