Xiaomi Mi 9 Explorer vs vivo Y81i
Xiaomi Mi 9 Explorer
vivo Y81i
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMAGSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 39(1900), 40(2300)LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 40(2300), 41(2500)
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HSDPA speed-21.1 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE-A (2CA), Cat7, 300 Mbps download, 150 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2019-32018-11
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Oficially announced2019-22018-10
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Design
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BuildBack glass (Gorilla Glass 5), aluminum frame (7000 series)Front glass, plastic body
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height157.5 mm155.1 mm
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Width74.7 mm75 mm
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Thickness7.6 mm7.8 mm
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Weight173 g143 g
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ColorsBlackBlack, Red
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Display
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Display typeSuper AMOLEDIPS LCD capacitive touchscreen
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Physical size6.39 inches6.22 inches
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Resolution1080 x 2340 pixels720 x 1520 pixels
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Pixel density403 ppi270 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 6Corning Gorilla Glass
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MultitouchYesYes
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Hardware
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CPUOcta-core-
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CPUSingle-core 2.84 GHz Kryo 485Quad-core 2.0 GHz Cortex-A53
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CPU(second)Triple-core 2.42 GHz Kryo 485
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CPU(third)Quad-core 1.8 GHz Kryo 485
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ChipsetQualcomm SDM855 Snapdragon 855Mediatek MT6761 Helio A22
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GPUAdreno 640PowerVR GE8320
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Memory RAM12 GB2 GB
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Internal storage256 GB16 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-256 GB
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Storage-eMMC 5.1
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OS
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OSMIUI 10 (Android 8.1 Oreo)Funtouch 4.0 OS (Android 8.1 Oreo)
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Main camera
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Camera typeTriple-
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Main camera48 MP, f/1.5 , 1/2" , 0.8 µm, 2x optical zoom13 MP, f/2.2
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16 MP, f/2.2 , 13 mm, 1/3.6" , 1.0 µm
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12 MP, f/2.2 , 54 mm, 1.0 µm
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video2160p@30/60fps, 1080p@30/120/240fps, 1080p@960fps1080p@30fps
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Primary camera flashLED flashLED flash
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Primary camera phase detection autofocusphase detection and laser autofocusphase detection autofocus
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Camera features2x optical zoomAutofocus, 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 camera20 MP, f/2.0 , 0.9 µm5 MP, f/2.2
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Selfie camera resolution-2592 x 1944 pixels
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Selfie camera video1080p@30fps1080p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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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, 802.11acWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYes-
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WLAN DLNAYes-
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USBType-C 1.0 reversible connectormicroUSB 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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GPSYes, with dual-band A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYes-
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BeidouYes-
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BDS-Yes
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QZSSYes-
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Features
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SensorsAccelerometer, compass, gyroscope, fingerprintAccelerometer, compass, 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 capacity3300 mAh3260 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 4.0+-
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Wireless chargingYes-
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