Microsoft Surface Duo 2 vs Oukitel C31
Microsoft Surface Duo 2
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, 42, 46, 48, 66, 71LTE frequency band 1, 3, 7, 8, 19, 20
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5G network5G band 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79 SA/NSA/Sub6 - global; 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79, 257, 260, 261 SA/NSA/Sub6/mmWave - USA-
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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 (5CA) Cat20, 2000 Mbps download, 150 Mbps uploadLTE, 150 Mbps download, 51 Mbps upload
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5G speed6 Gbps download-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-092022-08
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Status2021-102022-08
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Design
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BuildGlass front (Gorilla Glass Victus), glass back (Gorilla Glass)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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Width93.1 mm-
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Thickness11 mm-
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Height unfolded184.5 mm-
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Width unfolded145.2 mm-
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Thickness unfolded5.5 mm-
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Weight284 g207 g
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StylusYes-
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ColorsGlacier, ObsidianBlack, Blue
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Display
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Display typeAMOLED capacitive touchscreenIPS TFT
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Physical size8.3 inches6.52 inches
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Resolution1892 x 2588 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 Victus2.5D curved glass screen
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Display features90Hz, HDR, 800 nits (peak)-
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Cover displayAMOLED capacitive touchscreen-
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Cover display physical size5.8 inches-
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Cover display resolution1344 x 1892 pixels-
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Hardware
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CPUOcta-core-
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CPUSingle-core 2.84 GHz Kryo 680Quad-core 2.0 GHz Cortex-A53
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CPU(second)Triple-core 2.42 GHz Kryo 680
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CPU(third)Quad-core 1.80 GHz Kryo 680
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ChipsetQualcomm SM8350 Snapdragon 888 5GMediaTek Helio A22 (MT6761)
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GPUAdreno 660PowerVR GT8300
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Memory RAM8 GB3 GB
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Internal storage128, 256, 512 GB16 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-256 GB
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StorageUFS-
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OS
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OSAndroid 11Android 12
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Main camera
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Camera typeTripleTriple
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Main camera(wide) , 12 MP, f/1.7 , 27 mm, 1.4 µm13 MP, f/2.2 , 80˚ , 1/3.1"
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(telephoto) , 12 MP, f/2.4 , 51 mm, 1.0 µm, 2x optical zoom(macro) , 0.3 MP, f/2.8 , 1/10"
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(ultrawide) , 13 MP, f/2.2 , 1.0 µm(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@30/60/120/240fps, gyro-EIS, HDR1440p@30fps
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Primary camera flash-dual-LED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocusAutofocus, 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 typeSingleSingle
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Selfie camera(wide) , 12 MP, f/2.0 , 24 mm, 1.0 µm5 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 video1080p@30fps1080p@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, 802.11ac, 802.11axWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotWi-Fi hotspotYes
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WLAN WiFi DirectWi-Fi directYes
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WLAN WiFi Dual BandDual-band-
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USBType-C 3.2, DisplayPortType-C 2.0
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USB On-The-Go-Yes
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Bluetoothv5.1v4.2
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Bluetooth A2DPA2DPYes
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bluetooth LELE-
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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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SensorsDual accelerometer, dual compass, fingerprint, dual gyroscope, dual 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 capacity4449 mAh5150 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes, 23WYes
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Talk time 4G28 h-
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Tests and performance
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Antutu750000 (v9)61300 (v8)
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Geekbench(single-core)1091 (v5.4)161 (v5.2)
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Geekbench(multi-core)3517 (v5.4)548 (v5.2)
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Cost
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Price1900 USD80 USD
