Realme X3 vs vivo U20
Realme X3
vivo U20
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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, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1, 3, 5, 8, 38, 39, 40, 41LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500)
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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-ALTE, Cat12, 603 Mbps download, 102 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-062019-11
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Status2020-062019-11
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Design
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BuildGlass front (Gorilla Glass 5), glass back, plastic framePlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height163.8 mm162.2 mm
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Width75.8 mm76.5 mm
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Thickness8.9 mm8.9 mm
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Weight202 g193 g
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ColorsBlue, WhiteBlack, Blue
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.6 inches6.53 inches
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Resolution1080 x 2400 pixels1080 x 2340 pixels
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Pixel density399 ppi395 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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Display features120Hz refresh rate-
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.96 GHz Kryo 485Dual-core 2.0 GHz Kryo 460 Gold
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CPU(second)Triple-core 2.42 GHz Kryo 485Hexa-core 1.7 GHz Kryo 460 Silver
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CPU(third)Quad-core 1.78 GHz Kryo 485
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ChipsetQualcomm SM8150 Snapdragon 855+Qualcomm SDM675 Snapdragon 675
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GPUAdreno 640Adreno 612
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Internal storage128 GB64 GB
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Memory RAM6, 8 GB4, 6 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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OSRealme UI (Android 10)Funtouch 9.2 OS (Android 9.0 Pie)
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Main camera
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Camera typeQuadTriple
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Main camera64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm16 MP, f/1.8
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12 MP, f/2.5 , 51 mm, 2x optical zoom8 MP, f/2.2 , 13 mm
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8 MP, f/2.3 , 16 mm, 1/4.0" , 1.12 µm2 MP, f/2.4
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2 MP, f/2.4
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Primary camera resolution8000 x 6000 pixels4608 x 3456 pixels
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Primary camera video4K@30/60fps, 1080p@30/60fps, 720p@960fps; gyro-EIS2160p@30fps, 1080p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, optical 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, 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 typeDual-
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Selfie camera16 MP, f/2.0 , 26 mm, 1/3.06" , 1.0 µm16 MP, f/2.0 , 26 mm, 1/3.1" , 1.0 µm
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8 MP, f/2.2 , 1/4.0" , 1.12 µm
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Selfie camera resolution4640 x 3456 pixels4608 x 3456 pixels
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Selfie camera video1080p@30fps, gyro-EIS1080p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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EarpieceYesYes
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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
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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Wi-Fi displayYesYes
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WLAN WiFi Dual BandYesYes
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USBType-C 1.0 reversible connectormicroUSB 2.0
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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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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYesYes
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Beidou-Yes
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BDSYes-
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QZSSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, compass, 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 capacity4200 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingSuperVOOC Flash Charge (100% in 55 min)Yes
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Cost
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Price460 USD155 USD
