Asus Zenfone 7 ZS670KS vs vivo Y81i
Asus Zenfone 7 ZS670KS
vivo Y81i
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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 800, 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29, 38, 39, 40, 41LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 40(2300), 41(2500)
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5G network5G band 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78; SA/NSA-
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HSDPA speed42.2 Mbps21.1 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE-A (5CA) Cat 19, 1800 Mbps download, 150 Mbps uploadLTE-A (2CA), Cat7, 300 Mbps download, 150 Mbps upload
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5G speed3.6 Gbps download-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-082018-10
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Status2020-092018-11
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Design
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BuildGlass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum frameFront 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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Height165.1 mm155.1 mm
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Width77.3 mm75 mm
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Thickness9.6 mm7.8 mm
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Weight230 g143 g
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ColorsBlack, WhiteBlack, Red
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Display
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Display typeSuper AMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.67 inches6.22 inches
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Resolution1080 x 2400 pixels720 x 1520 pixels
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Pixel density395 ppi270 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 6Corning Gorilla Glass
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Multitouch-Yes
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Display featuresHDR10+, 90Hz refresh rate, 700 nits typ. brightness-
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Hardware
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CPUOcta-core-
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CPUSingle-core 2.84 GHz Kryo 585Quad-core 2.0 GHz Cortex-A53
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CPU(second)Triple-core 2.42 GHz Kryo 585
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CPU(third)Quad-core 1.8 GHz Kryo 585
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ChipsetQualcomm SM8250 Snapdragon 865Mediatek MT6761 Helio A22
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GPUAdreno 650PowerVR GE8320
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Memory RAM6, 8 GB2 GB
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Internal storage128 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max2 TB256 GB
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StorageUFS 3.1eMMC 5.1
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OS
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OSZenUI 7 (Android 10)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 camera64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm13 MP, f/2.2
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8 MP, f/2.4 , 80 mm, 3x optical zoom
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12 MP, f/2.2 , 17 mm, 1/2.55" , 1.4 µm
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Primary camera resolution9280 x 6920 pixels4160 x 3120 pixels
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Primary camera video8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR1080p@30fps
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Primary camera flashdual LED flashLED flash
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Primary camera phase detection autofocus-phase detection autofocus
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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 autofocus, laser autofocus, RAWAutofocus, 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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Sound
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3.5mm jackNoYes
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LoudspeakerYes, with stereo speakersYes
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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, 802.11ac, 802.11axWi-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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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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Bluetooth AptXaptX Adaptive-
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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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BDS-Yes
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QZSSYes-
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NavICYes-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximity, lightAccelerometer, 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 capacity5000 mAh3260 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQualcomm Quick Charge 4, Power Delivery 3.0-
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Reverse chargingYes-
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Cost
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Price800 USD-
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Selfie camera
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Selfie camera5 MP, f/2.2
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Selfie camera resolution-2592 x 1944 pixels
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Selfie camera video-1080p@30fps