Asus ROG Phone 3 ZS661KS vs vivo Y81i
Asus ROG Phone 3 ZS661KS
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 800, 850, 900, 1700(AWS), 1800, 1900, 2100 - A version; HSDPA 850, 900, 1700(AWS), 1900, 2100 - B versionHSDPA 850, 900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 66, 71 - A version; LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 34, 38, 39, 40, 41 - B versionLTE 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, 28, 41, 66, 71, 77, 78, 79; SA/NSA - A version; 5G band 41, 77, 78, 79 SA/NSA - B version-
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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, (6CA) Cat20, 2000 Mbps download, 150 Mbps uploadLTE-A (2CA), Cat7, 300 Mbps download, 150 Mbps upload
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5G speed4.4 Gbps download-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-072018-10
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Status2020-072018-11
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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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Height171 mm155.1 mm
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Width78 mm75 mm
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Thickness9.9 mm7.8 mm
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Weight240 g143 g
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Build featuresRGB light panel (on the back), Pressure sensitive zones (Gaming triggers)-
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ColorsBlackBlack, Red
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Display
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Display typeAMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.59 inches6.22 inches
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Resolution1080 x 2340 pixels720 x 1520 pixels
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Pixel density391 ppi270 ppi
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Display colors107374182416777216
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ProtectionCorning Gorilla Glass 6Corning Gorilla Glass
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Multitouch-Yes
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Display featuresHDR10+, 144Hz refresh rate, 650 nits max. brightness-
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DxOMark display score70-
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Hardware
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CPUOcta-core-
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CPUSingle-core 3.1 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 865+Mediatek MT6761 Helio A22
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GPUAdreno 650PowerVR GE8320
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Memory RAM8, 12, 16 GB2 GB
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Internal storage128, 256, 512 GB16 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-256 GB
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StorageUFS 3.1eMMC 5.1
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OS
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OSROG UI (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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13 MP, f/2.4 , 11 mm
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5 MP, f/2.0
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS1080p@30fps
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Primary camera flashLED flashLED flash
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Primary camera phase detection autofocus-phase detection autofocus
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Camera featuresHDR, PanoramaAutofocus, 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 camera24 MP, f/2.0 , 27 mm, 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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LoudspeakerYes, with DTS X 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, 802.11adWi-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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Wi-Fi displayYes-
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WLAN WiFi Dual BandYes-
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USBType-C 3.1 (side), Type-C 2.0 (bottom)microUSB 2.0
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USB connectorAccessory connector-
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USB On-The-Go-Yes
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Bluetoothv5.1v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX HD, aptX 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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BDSYesYes
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QZSSYes-
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GNSSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, 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 capacity6000 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 reverse chargingYes-
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Cost
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Price600 USD-