Fairphone 4 vs Xiaomi Mi Watch (China)
Fairphone 4
Xiaomi Mi Watch (China)
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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, 1700(AWS), 1900, 2100HSDPA 850, 900, 1900
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 28, 32, 38, 40, 41, 71LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850), 39(1900), 40(2300), 41(2500)
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5G network5G band 1, 3, 5, 7, 8, 20, 28, 38, 41, 71, 77, 78 SA/NSA/Sub6-
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE-A (4CA), Cat18, 1200 Mbps download, 150 Mbps upload-
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5G speed2.3 Gbps download-
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GPRSYes-
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EDGEYes-
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Availability
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Oficially announced2021-092019-11
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Status2021-092019-11
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Design
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BuildGlass front (Gorilla Glass 5), plastic back, plastic frame-
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SIMDual SIM (Nano-SIM, dual stand-by)eSIM
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Height162 mm44.7 mm
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Width75.5 mm36.9 mm
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Thickness10.5 mm12.3 mm
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Weight225 g44 / 56 g
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WaterproofIP54-
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Dust proofIP54-
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MIL-STD-810GYes-
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ColorsGray, Green, Speckled GreenBlack, Silver
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Display
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Display typeIPS LCDSuper AMOLED capacitive touchscreen
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Physical size6.3 inches1.78 inches
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Resolution1080 x 2340 pixels368 x 448 pixels
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Pixel density409 ppi326 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Corning Gorilla Glass 5-
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Hardware
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CPUOcta-core-
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CPUDual-core 2.2 GHz Kryo 570Quad-core 1.2 GHz Cortex-A7
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CPU(second)Hexa-core 1.8 GHz Kryo 570
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ChipsetQualcomm SM7225 Snapdragon 750G 5GQualcomm Snapdragon Wear 3100
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GPUAdreno 619Adreno 304
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Memory RAM6, 8 GB1 GB
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Internal storage128, 256 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max2 TB-
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OS
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OSAndroid 11Proprietary wearable platform
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Main camera
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Camera typeTriple-
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Main camera(wide) , 48 MP, f/1.6 , 1/2.0" , 0.8 µm, 8x digital zoom
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(ultrawide) , 48 MP, f/2.2 , 120˚ , 1/2.0" , 0.8 µm
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TOF 3D
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Primary camera resolution8000 x 6000 pixels-
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Primary camera video4K@30fps, 1080p@30/60fps, gyro-EIS-
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Primary camera flashdual-LED dual-tone 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, scene-mode, phase detection autofocus-
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Selfie camera
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Selfie camera typeSingle-
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Selfie camera(wide) , 25 MP, f/2.2 , 1/2.78" , 0.9 µm
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Selfie camera featuresDigital image stabilization, face detection, face unlock, HDR-
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Selfie camera video1080p@30fps, gyro-EIS-
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Sound
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3.5mm jackNoNo
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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 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYes-
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USBType-C 3.0, DisplayPortNo
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Bluetoothv5.1v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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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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GALILEOYes-
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BDSYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, barometer, gyro, heart rate
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3905 mAh570 / 590 mAh
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Battery removableRemovableNon-removable
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Fast battery chargingQuick Charge, 20W (50% in 30 min)-
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Wireless charging-Yes
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Talk time 3G30 h-
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Talk time 4G13 h-
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Standby time 4G200 h-
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Tests and performance
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Antutu385000 (v9)-
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Geekbench(single-core)642 (v5.4)-
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Geekbench(multi-core)1878 (v5.4)-
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SAR value
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SAR EU(head)0.49 W/kg-
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SAR EU(body)0.99 W/kg-
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Cost
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Price670 USD170 USD