Microsoft Surface Duo vs Oppo A91
Microsoft Surface Duo
Oppo A91
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 66LTE 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 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps11.5 Mbps
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LTE speedLTE-A (CA) Cat18, 1200 Mbps download, 100 Mbps uploadLTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-082019-12
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Status2020-082019-12
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Design
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BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5)Aluminium alloy, glass
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SIMNano-SIM, eSIMDual SIM (Nano-SIM, dual stand-by)
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Height145.2 mm160.2 mm
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Width93.3 mm73.3 mm
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Thickness9.9 mm7.9 mm
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Height unfolded186.9 mm-
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Width unfolded145.2 mm-
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Thickness unfolded4.8 mm-
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Weight250 g172 g
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StylusYes-
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ColorsWhiteDark blue, Blue, Red
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Display
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Display typeAMOLED capacitive touchscreenAMOLED capacitive touchscreen
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Physical size8.1 inches6.4 inches
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Resolution1800 x 2700 pixels1080 x 2400 pixels
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Pixel density401 ppi411 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 5Scratch resistant
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Multitouch-Yes
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Cover displayAMOLED capacitive touchscreen-
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Cover display physical size5.6 inches-
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Cover display resolution1350 x 1800 pixels-
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.84 GHz Kryo 485Quad-core 2.1 GHz Cortex-A73
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CPU(second)Triple-core 2.42 GHz Kryo 485quad-core 2.0 GHz Cortex-A53
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CPU(third)Quad-core 1.78 GHz Kryo 485
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ChipsetQualcomm SM8150 Snapdragon 855Mediatek MT6771V Helio P70
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GPUAdreno 640Mali-G72 MP3
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Memory RAM6 GB8 GB
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Internal storage128, 256 GB128 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-256 GB
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StorageUFS 3.0-
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OS
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OSAndroid 10ColorOS 6.1 (Android 9.0 Pie)
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Main camera
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Camera typeSingleQuad
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Main camera11 MP, f/2.0 , 23 mm, 1.0 µm48 MP, f/1.8 , 26 mm, 0.8 µm, 1/2.0"
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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 resolution-8000 x 6000 pixels
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Primary camera video4K@30/60fps, 1080p@30/60fps, gyro-EIS2160p@30fps
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Primary camera flash-LED flash
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Camera features-Autofocus, 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 resolution-4608 x 3456 pixels
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Selfie camera video4K@30/60fps, 1080p@30/60fps, gyro-EIS1080p@30fps
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Sound
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3.5mm jack-Yes
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LoudspeakerYes, with stereo speakersYes
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Earpiece-Yes
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Multimedia
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RadioNoFM Radio
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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, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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Wi-Fi display-Yes
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WLAN WiFi Dual BandYesYes
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USBType-C reversible connectorType-C 1.0 reversible connector
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USB On-The-Go-Yes
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX Adaptive-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Beidou-Yes
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Features
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SensorsAccelerometer, fingerprint, proximityAccelerometer, compass, fingerprint, gyroscope, proximity, light
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity3577 mAh4025 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesVOOC Flash Charge 4.0 (50% in 30 min)
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Cost
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Price1400 USD290 USD
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