UMIDIGI A7 vs vivo Y81
UMIDIGI A7
vivo Y81
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkHSDPA 850, 900, 1700, 1900, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66LTE 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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LTE speedLTE Cat 4, 301 Mbps download, 51 Mbps uploadLTE, Cat7, 301 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 announced2020-082018-6
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Status2020-082018-6
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Design
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BuildMetal, plasticAluminium alloy, plastic
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SIMDual SIM (Nano-SIM, dual SIM stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height163.7 mm155 mm
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Width77.6 mm75 mm
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Thickness8.7 mm7.77 mm
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Weight228 g146 g
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ColorsGreen, GreyBlack
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Display
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Display typeIPS capacitive touchscreenIPS capacitive touchscreen
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Physical size6.49 inches6.22 inches
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Resolution720 x 1560 pixels720 x 1520 pixels
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Pixel density265 ppi270 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen, Scratch 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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CPUQuad-core 2.3 GHz Cortex-A53Quad-core 2.0 GHz Cortex-A53
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CPU(second)quad-core 1.6 GHz Cortex-A53quad-core 1.5 GHz Cortex-A53
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ChipsetMediaTek Helio P20 (MT6757)MediaTek Helio P22 MT6762
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GPUMali-T880 MP2PowerVR GE8320
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Memory RAM4 GB3 GB
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Internal storage64 GB32 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB256 GB
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StorageeMMC 5.1eMMC 5.1
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OS
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OSAndroid 10Android 8.1 Oreo
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Main camera
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Camera typeQuad-
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Main camera16 MP, f/1.8 , 0.26" , 1.132 µm13 MP, f/2.2
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8 MP, 1/4" , 1.12 µm
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5 MP
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5 MP
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Primary camera resolution4608 x 3456 pixels4160 x 3120 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashdual LED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase 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 camera13 MP, f/2.0 , 0.23" , 1.029 µm5 MP, f/2.2
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Selfie camera resolution4608 x 3456 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 5GHzWi-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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Bluetoothv4.2v4.2
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Bluetooth A2DPYesYes
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bluetooth HIDYes-
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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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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximity, lightAccelerometer, 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 capacity4150 mAh3260 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesYes
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Cost
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Price100 USD-