Oppo K1 vs vivo X20
Oppo K1
vivo X20
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMAGSM 900, 1800; CDMA 800 & TD-SCDMA
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3G networkHSDPA 850, 900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 39(1900); LTE-TDD 1900, 2300, 2500, 2600 MHzLTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSPA speed-HSPA
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LTE speedLTE, Cat12, 603 Mbps download, 102 Mbps uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-102017-9
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Status2018-102017-10
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Design
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BuildMetal, glass-
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SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height158.3 mm155.9 mm
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Width75.5 mm75.2 mm
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Thickness7.4 mm7.2 mm
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Weight-159 g
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ColorsBlue, RedBlack/Gold, Gold, Matte Black, Rose gold
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Display
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Display typeSuper AMOLED capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size6.4 inches6.01 inches
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Resolution1080 x 2340 pixels1080 x 2160 pixels
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Pixel density403 ppi402 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen-
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MultitouchYesYes
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.0 GHz Kryo 260Quad-core 2.2 GHz Kryo 260
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CPU(second)quad-core 1.8 GHz Kryo 260quad-core 1.8 GHz Kryo 260
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ChipsetQualcomm SDM660 Snapdragon 660Qualcomm MSM8956 Plus Snapdragon 660
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GPUAdreno 512-
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Memory RAM4, 6 GB4 GB
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Internal storage64 GB64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD(uses second SIM slot)
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Memory card max-256 GB
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OS
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OSColorOS 5.2 (Android 8.1 Oreo)Android 7.1.1 (Nougat)
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Main camera
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Camera typeDualDual
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Main camera16 MP, f/1.7 , 1/2.8" , 1.12 µm12 MP, f/1.8
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2 MP5 MP
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Primary camera resolution4608 x 3456 pixels-
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Primary camera video2160p@30fps, 1080p@30fps1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flashdual-LED flashLED flash
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Primary camera phase detection autofocusphase detection autofocus-
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Camera featuresAutofocus, continuous shooting, digital zoom, optical zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-modeGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera25 MP, f/2.012 MP, f/2.0
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Selfie camera resolution5760 x 4312 pixels-
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Selfie camera video1080p@30fps-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Notifications-Vibration; MP3, WAV ringtones
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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 5GHzWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYesYes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYesYes
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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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GLONASSYes-
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging Push Email-Push Email
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Java-No
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SensorsAccelerometer, compass, fingerprint, gyroscope, light, proximityFingerprint (rear-mounted), accelerometer, compass, gyro, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3500 mAh3250 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingVOOCYes
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