Oppo K7 5G vs vivo Y81
Oppo K7 5G
vivo Y81
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMAGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkHSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DOHSDPA 850, 900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE-ALTE, Cat7, 301 Mbps download, 102 Mbps upload
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5G speed1.9 Gbps download-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-082018-6
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Status2020-082018-6
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Design
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BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frameAluminium alloy, plastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height160.3 mm155 mm
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Width74.3 mm75 mm
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Thickness8 mm7.77 mm
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Weight180 g146 g
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ColorsBlack, Blue, Blue/Red, WhiteBlack
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Display
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Display typeAMOLED capacitive touchscreenIPS capacitive touchscreen
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Physical size6.4 inches6.22 inches
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Resolution1080 x 2400 pixels720 x 1520 pixels
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Pixel density411 ppi270 ppi
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Display colors1677721616777216
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ProtectionScratch resistantCorning Gorilla Glass
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Multitouch-Yes
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.4 GHz Kryo 475 PrimeQuad-core 2.0 GHz Cortex-A53
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CPU(second)Single-core 2.2 GHz Kryo 475 Goldquad-core 1.5 GHz Cortex-A53
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CPU(third)Hexa-core 1.8 GHz Kryo 475 Silver
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ChipsetQualcomm SDM765 Snapdragon 765GMediaTek Helio P22 MT6762
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GPUAdreno 620PowerVR GE8320
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Memory RAM8 GB3 GB
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Internal storage128, 256 GB32 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-256 GB
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StorageUFS 2.1eMMC 5.1
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OS
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OSColorOS 7 (Android 10)Android 8.1 Oreo
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Main camera
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Camera typeQuad-
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Main camera48 MP, f/1.7 , 1/2.0" , 0.8 µm13 MP, f/2.2
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8 MP, f/2.2 , 13 mm, 1/4" , 1.12 µm
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2 MP, f/2.4 , 1/5" , 1.75 µm
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2 MP, f/2.4
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Primary camera resolution8000 x 6000 pixels4160 x 3120 pixels
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Primary camera video4K@30fps, 1080p@30/60fps; gyro-EIS1080p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous autofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus, contrast detection autofocusAutofocus, continuous shooting, digital zoom, optical image stabilization, 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 camera32 MP, f/2.0 , 26 mm, 1/2.8" , 0.8 µm5 MP, f/2.2
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Selfie camera resolution6560 x 4928 pixels2592 x 1944 pixels
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Selfie camera video1080p@30fps1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioFM RadioNo
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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 displayYes-
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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-GoYesYes
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Bluetoothv5.1v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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NFCYes-
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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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BeidouYes-
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QZSSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, 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 capacity4025 mAh3260 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingVOOC 4.0Yes
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Cost
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Price280 USD-