Huawei Watch 2 Pro vs Oppo A31 (2015)
Huawei Watch 2 Pro
Oppo A31 (2015)
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100TD-SCDMA 1880, 2010
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4G networkLTE-
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HSPA speedHSPA-
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LTE speedLTELTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-102015-4
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Status2017-102015
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Design
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BuildStainless Steel 316L-
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SIMElectronic SIM card (e-SIM)Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by)
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Height48.3 mm131.9 mm
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Width45 mm65.5 mm
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Thickness12.6 mm8 mm
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Weight64 g135 g
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WaterproofIP68 certified, 1 m and 30 minutes-
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Dust proofIP68-
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ColorsTitanium GreyBlue, White
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Display
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Display typeAMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size1.2 inches4.5 inches
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Resolution390 x 390 pixels480 x 854 pixels
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Pixel density326 ppi218 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass-
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MultitouchYes-
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Hardware
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CPUQuad-core 1.1 GHzQuad-core ARM Cortex-A53
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ChipsetQualcomm MSM8909W Snapdragon Wear 2100Qualcomm MSM8916 Snapdragon 410
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GPU-Adreno 306
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Memory RAM768 MB1 GB
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Internal storage4 GB8 GB
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Memory cardmicroSD
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Memory card max-128 GB
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OS
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OSAndroid Wear OS 2.0 (China edition)Android OS, v4.4 (KitKat)
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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RadioNo-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi
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USBmicroUSB 2.0
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Bluetoothv4.1v4.0
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Bluetooth A2DPYes-
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bluetooth LEYes-
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Bluetooth EDRYes-
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NFCYes-
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GPSYesYes, with A-GPS
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Features
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Messaging SMSSMSSMS(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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JavaNoNo
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SensorsAccelerometer, barometer, compass, gyro, heart rateAccelerometer, proximity
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Browser
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HTML-Yes
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity420 mAh2000 mAh
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Battery removableNon-removable-
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Fast battery chargingYes-
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Talk time-7 h
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Standby time48 h240 h
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Main camera
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Main camera8 MP
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Primary camera resolution-3264 x 2448 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
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Selfie camera
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Selfie camera5 MP