Microsoft Surface Duo vs Oukitel C31
Microsoft Surface Duo
Oukitel C31
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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, 1900, 2100HSDPA 900, 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, 3, 7, 8, 19, 20
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE-A (CA) Cat18, 1200 Mbps download, 100 Mbps uploadLTE, 150 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-082022-08
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Status2020-082022-08
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Design
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BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5)Plastic
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SIMNano-SIM, eSIMDual SIM (Nano-SIM, dual stand-by)
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Height145.2 mm-
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Width93.3 mm-
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Thickness9.9 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 g207 g
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StylusYes-
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ColorsWhiteBlack, Blue
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Display
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Display typeAMOLED capacitive touchscreenIPS TFT
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Physical size8.1 inches6.52 inches
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Resolution1800 x 2700 pixels720 x 1600 pixels
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Pixel density401 ppi269 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 52.5D curved glass screen
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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-core-
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CPUSingle-core 2.84 GHz Kryo 485Quad-core 2.0 GHz Cortex-A53
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CPU(second)Triple-core 2.42 GHz Kryo 485
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CPU(third)Quad-core 1.78 GHz Kryo 485
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ChipsetQualcomm SM8150 Snapdragon 855MediaTek Helio A22 (MT6761)
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GPUAdreno 640PowerVR GT8300
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Memory RAM6 GB3 GB
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Internal storage128, 256 GB16 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 10Android 12
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Main camera
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Camera typeSingleTriple
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Main camera11 MP, f/2.0 , 23 mm, 1.0 µm13 MP, f/2.2 , 80˚ , 1/3.1"
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(macro) , 0.3 MP, f/2.8 , 1/10"
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(depth) , 0.3 MP, f/2.8 , 1/10"
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Primary camera resolution-4224 x 3136 pixels
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Primary camera video4K@30/60fps, 1080p@30/60fps, gyro-EIS1440p@30fps
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Primary camera flash-dual-LED flash
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Camera features-Autofocus, continuous shooting, digital zoom, 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 camera type-Single
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Selfie camera5 MP, f/2.2 , 75˚
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Selfie camera resolution-2560 x 1944 pixels
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Selfie camera features-Face unlock, face detection
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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 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYes-
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USBType-C reversible connectorType-C 2.0
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USB On-The-Go-Yes
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Bluetoothv5.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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Bluetooth AptXaptX Adaptive-
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NFC-No
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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BDS-Yes
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Features
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SensorsAccelerometer, fingerprint, proximityAccelerometer, fingerprint, gyroscope, light, proximity
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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 mAh5150 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesYes
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Cost
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Price1400 USD80 USD
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Tests and performance
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Antutu-61300 (v8)
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Geekbench(single-core)-161 (v5.2)
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Geekbench(multi-core)-548 (v5.2)
