Apple Watch Series 2 38mm vs Nokia Lumia 638
Apple Watch Series 2 38mm
Nokia Lumia 638
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Network
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2G networkN/AGSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 900, 1900, 2100
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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, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSNoYes
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EDGENoYes
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Availability
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Oficially announced2016-92014-12
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Status-2014-12
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Design
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BuildStainless Steel/Ceramic back-
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SIMNoMicro-SIM
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Height38.6 mm129.5 mm
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Width33.3 mm66.7 mm
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Thickness11.4 mm9.2 mm
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Weight41.9 g136 g
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Waterproof50m-
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ColorsSport band: silver case/white, black case/black; Leather band: silver case/blue, brown, gray, red; Stainless Steel band: silver case/silver, black case/blackBlack
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Display
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Display typeAMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size1.5 inches4.5 inches
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Resolution340 x 272 pixels480 x 854 pixels
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Pixel density290 ppi218 ppi
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Display colors1677721616777216
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ProtectionSapphire crystal glass-
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MultitouchYes-
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Hardware
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CPUDual-coreQuad-core 1.2 GHz ARM Cortex-A7
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ChipsetApple S2Qualcomm Snapdragon 400
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GPU-Adreno 305
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Memory RAM-1 GB
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Internal storage-8 GB
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Memory cardNomicroSD
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Memory card max-128 GB
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OS
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OSwatchOS 3.0Microsoft Windows Phone 8.1
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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 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN DLNA-Yes
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USBNomicroUSB 2.0
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Bluetoothv4.0v4.0
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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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GLONASS-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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JavaNoNo
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SensorsAccelerometer, gyro, heart rateAccelerometer
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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 capacity-1830 mAh
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Battery removableNon-removable-
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Talk time--
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Standby time--
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Main camera
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Main camera5 MP
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Primary camera resolution-2592 x 1944 pixels
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Primary camera video-video
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Primary camera Autofocus-autofocus
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Camera features-1/4'' sensor size, geo-tagging, panorama
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Selfie camera
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Secondary camera-No