Apple Watch Series 2 42mm vs Oppo R15
Apple Watch Series 2 42mm
Oppo R15
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Network
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2G networkN/AGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G network-HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G network-LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSPA speed-HSPA
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LTE speed-LTE
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GPRSNoYes
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EDGENoYes
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Availability
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Oficially announced2016-92018-3
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Status-2018
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Design
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BuildStainless Steel/Ceramic backFront glass, aluminum body
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SIMNoHybrid Dual SIM (Nano-SIM, dual stand-by)
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Height42.5 mm155.1 mm
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Width36.4 mm75.2 mm
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Thickness11.4 mm7.4 mm
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Weight52.4 g175 g
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Waterproof50m-
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ColorsSport band: silver case/white, black case/black; Leather band: silver case/blue, brown, orange; Stainless Steel band: silver case/silver, black case/blackHot Red, Snow White, Star Purple
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Display
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Display typeAMOLED capacitive touchscreenAMOLED capacitive touchscreen
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Physical size1.65 inches6.28 inches
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Resolution390 x 312 pixels1080 x 2280 pixels
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Pixel density303 ppi401 ppi
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Display colors1677721616777216
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ProtectionSapphire crystal glassCorning Gorilla Glass 5
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUDual-coreQuad-core 2 GHz Cortex-A73
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CPU(second)quad-core 2 GHz Cortex-A53
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ChipsetApple S2Mediatek Helio P60
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GPU-Mali-G72 MP3
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Memory RAM-6 GB
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Internal storage-128 GB
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Memory cardNomicroSD(uses second SIM slot)
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Memory card max-256 GB
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OS
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OSwatchOS 3.0Android 8.1 (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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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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USBmicroUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth EDR-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 IMIM-
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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 (rear-mounted), accelerometer, compass, gyro, 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-Po
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Battery capacity-3450 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-VOOC Flash Charge
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Main camera
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Camera type-Dual
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Main camera16 MP, f/1.7 , 1/2.6" , 1.22 µm
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5 MP, f/2.2
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Primary camera resolution-4608 x 3456 pixels
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Primary camera video-2160p@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 detection, panorama, touch focus
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Selfie camera
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Selfie camera20 MP, f/2.0
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Selfie camera resolution-5184 x 3880 pixels
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Selfie camera video-1080p