Oppo Reno 2Z vs Samsung Galaxy Watch 4 40mm
Oppo Reno 2Z
Samsung Galaxy Watch 4 40mm
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500)LTE frequency band 1, 3, 5, 7, 8, 20
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EV-DO speed3.1 Mbps download, 1.8 Mbps upload-
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LTE speedLTE, Cat13, 391 Mbps download, 151 Mbps upload-
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GPRSYes-
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EDGEYes-
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Availability
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Oficially announced2019-82021-08
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Status2019-92021-08
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Design
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BuildAluminium alloy, glassGlass front (Gorilla Glass DX+), aluminum frame
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)eSIM
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Height162.4 mm39.3 mm
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Width75.8 mm40.4 mm
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Thickness8.7 mm9.8 mm
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Weight195 g25.9 g
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Payment-Samsung Pay
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Waterproof-IP68, 50m
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MIL-STD-810G-Yes
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ColorsBlack, WhiteBlack, Pink Gold, Silver
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Display
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Display typeAMOLEDSuper AMOLED
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Physical size6.5 inches1.2 inches
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Resolution1080 x 2400 pixels396 x 396 pixels
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Pixel density405 ppi330 ppi
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Display colors16777216-
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5Corning Gorilla Glass DX+
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MultitouchYes-
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Display features97% DCI-P3Always-on display
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Hardware
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CPUOcta-core-
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CPUDual-core 2.2 GHz Cortex-A75Dual-core 1.18 GHz Cortex-A55
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CPU(second)Hexa-core 2.0 GHz Cortex-A55
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ChipsetMediatek MT6779 Helio P90Exynos W920
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GPUPowerVR GM9446Mali-G68
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Memory RAM8 GB1.5 GB
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Internal storage256 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXC-
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Memory card max256 GB-
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StorageUFS 2.1eMMC
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OS
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OSColorOS 6.1 (Android 9.0 Pie)Android Wear OS, One UI Watch 3
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Main camera
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Camera typeQuad-
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Main camera48 MP, f/1.7 , 26 mm, 1/2" , 0.8 µm
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Primary camera-No
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8 MP, f/2.2 , 13 mm, 1/4" , 1.12 µm
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2 MP, f/2.4 , 1/5" , 1.75 µm
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2 MP, f/2.4 , 1/5" , 1.75 µm
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Primary camera resolution8000 x 6000 pixels-
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Primary camera video2160p@30fps, 1080p@30fps-
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Primary camera flashdual-LED flash-
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Camera featuresAutofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode-
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Selfie camera
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Selfie camera16 MP, f/2.0 , 26 mm, 1/3.1" , 1.0 µm
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Selfie camera resolution4608 x 3456 pixels-
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Selfie camera video1080p@30fps-
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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EarpieceYes-
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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Wi-Fi displayYes-
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WLAN WiFi Dual BandYesYes
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USBType-C 1.0 reversible connectorNo
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USB On-The-GoYes-
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesA2DP
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bluetooth LEYesLE
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Bluetooth EDRYes-
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NFCYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEO-Yes
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BDSYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, hall, proximity, in-display fingerprint sensorAccelerometer, barometer, gyro, heart rate
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Browser
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HTMLHTML5No
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity4000 mAh247 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingVOOC 3.0-
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Wireless charging-Qi
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Cost
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Price420 USD320 USD
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