Oppo A91 vs Samsung Galaxy Watch Active 2 Aluminum 40mm Wi-Fi
Oppo A91
Samsung Galaxy Watch Active 2 Aluminum 40mm Wi-Fi
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMAN/A
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3G networkHSDPA 850, 1700(AWS), 1900, 2100N/A
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4G networkLTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)-
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HSDPA speed42.2 Mbps-
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HSUPA speed11.5 Mbps-
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LTE speedLTE-A-
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GPRSYesNo
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EDGEYesNo
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Availability
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Oficially announced2019-122019-8
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Status2019-122019-9
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Design
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BuildAluminium alloy, glassFront glass, aluminum frame
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SIMDual SIM (Nano-SIM, dual stand-by)No
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Height160.2 mm40 mm
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Width73.3 mm40 mm
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Thickness7.9 mm10.9 mm
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Weight172 g26 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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ColorsDark blue, Blue, RedBlack, Gold, Silver
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Display
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Display typeAMOLED capacitive touchscreenSuper AMOLED
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Physical size6.4 inches1.2 inches
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Resolution1080 x 2400 pixels360 x 360 pixels
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Pixel density411 ppi364 ppi
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Display colors1677721616777216
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ProtectionScratch resistantCorning Gorilla Glass DX+
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MultitouchYes-
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Display features-Touch-sensitive bezel, Always-on display
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.1 GHz Cortex-A73Dual-core 1.15 GHz Cortex-A53
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CPU(second)quad-core 2.0 GHz Cortex-A53
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ChipsetMediatek MT6771V Helio P70Exynos 9110
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GPUMali-G72 MP3Mali-T720
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Memory RAM8 GB768 MB
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Internal storage128 GB4 GB
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Memory cardmicroSD, microSDHC, microSDXC-
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Memory card max256 GB-
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OS
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OSColorOS 6.1 (Android 9.0 Pie)Tizen-based wearable OS
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Main camera
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Camera typeQuad-
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Main camera48 MP, f/1.8 , 26 mm, 1/2.0" , 0.8 µm
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Primary camera-No
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8 MP, f/2.2 , 13 mm, 1/4.0" , 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-
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Primary camera flashLED flash-
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Camera featuresAutofocus, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, phase detection autofocus-
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Selfie camera
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Selfie camera16 MP, f/2 , 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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RadioFM RadioNo
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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 802.11b, 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 BandYes-
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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 A2DPYesYes
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bluetooth LEYesYes
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NFC-Yes
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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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BeidouYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximity, lightAccelerometer, 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 capacity4025 mAh247 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingVOOC Flash Charge 4.0 (50% in 30 min)-
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Wireless charging-Yes
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Cost
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Price290 USD280 USD
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