Apple Watch 42mm vs Oppo U3
Apple Watch 42mm
Oppo U3
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Network
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2G networkGSM 850, 900, 1800, 1900
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3G network-TD-SCDMA 1900, 2000
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HSPA speed-HSPA
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LTE speed-LTE
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-92015-1
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Status2015-42015-3
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Design
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BuildStainless Steel-
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SIMNoDual SIM (Nano-SIM/ Micro-SIM, dual stand-by)
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Height42 mm156.8 mm
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Width35.9 mm81 mm
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Thickness10.5 mm8 mm
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Weight50 g195 g
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ColorsBlack Link Bracelet, Blue/Stone Leather Loop, Black/Blue/Brown Buckle, Stainless Steel/Red, WhiteBlack, White
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Display
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Display typeAMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size1.65 inches5.9 inches
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Resolution390 x 312 pixels1080 x 1920 pixels
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Pixel density303 ppi377 ppi
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Display colors1677721616777216
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Hardware
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CPU520 MHz1.7 GHz Octa-core ARM Cortex-A53
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ChipsetApple S1Mediatek MT6752
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GPUPowerVR SGX543Mali-T760MP2
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Memory RAM512 MB2 GB
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Internal storage8 GB16 GB
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSwatchOS 1.0Android OS, v4.4.4 (KitKat)
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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
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0
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Bluetoothv4.0v4.0
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bluetooth LEYes-
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GPSNoYes, with A-GPS
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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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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer, gyro, heart rateAccelerometer, compass, 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 capacity250 mAh3100 mAh
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Battery removableNon-removable-
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Talk time3 h 40 min-
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Talk time 3G-10 h
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Standby time22 h-
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Standby time 3G-400 h
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Main camera
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Main camera13 MP
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Primary camera resolution-4128 x 3096 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 camera5 MP
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Selfie camera video-1080p