Asus Zenfone 7 Pro ZS671KS vs vivo iQOO U3x
Asus Zenfone 7 Pro ZS671KS
vivo iQOO U3x
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 800, 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1700(AWS), 2100; CDMA2000 1x
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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, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
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5G network5G band 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78; SA/NSA5G band 1, 3, 28, 41, 77, 78 SA/NSA
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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EV-DO speed-EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE-A (5CA) Cat 19, 1800 Mbps download, 150 Mbps uploadLTE-A, 800 Mbps download, 210 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 announced2020-082021-03
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Status2020-092021-03
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Design
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BuildGlass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum framePlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height165.1 mm164.2 mm
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Width77.3 mm75.4 mm
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Thickness9.6 mm8.4 mm
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Weight230 g185.5 g
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ColorsBlack, WhiteAurora, Gray
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Display
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Display typeSuper AMOLED capacitive touchscreenIPS LCD
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Physical size6.67 inches6.58 inches
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Resolution1080 x 2400 pixels1080 x 2408 pixels
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Pixel density395 ppi401 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 6Scratch resistant, 2.5D curved glass screen
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Display featuresHDR10+, 90Hz refresh rate, 700 nits typ. brightness90Hz
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 3.1 GHz Kryo 585Dual-core 2.0 GHz Kryo 460
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CPU(second)Triple-core 2.42 GHz Kryo 585Hexa-core 1.8 GHz Kryo 460
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CPU(third)Quad-core 1.8 GHz Kryo 585
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ChipsetQualcomm SM8250 Snapdragon 865+Qualcomm SM4350 Snapdragon 480 5G
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GPUAdreno 650Adreno 619
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Memory RAM8 GB4, 6, 8 GB
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Internal storage256 GB64, 128 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max2 TB-
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StorageUFS 3.1UFS 2.1
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OS
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OSZenUI 7 (Android 10)Android 11, OriginOS for iQOO 1.0
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Main camera
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Camera typeTripleDual
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Main camera64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm13 MP, f/2.2 , (wide) , 4x digital zoom
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8 MP, f/2.4 , 80 mm, 3x optical zoom2 MP, f/2.4 , (depth)
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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, HDR4K@30fps, 1080p@30fps
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Primary camera flashdual LED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, optical 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, 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, phase detection autofocus
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DxOMark photo122-
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DxOMark video100-
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DxOMark camera score115-
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Selfie camera
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Selfie camera type-Single
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Selfie camera(wide) , 8 MP, f/2.0
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Selfie camera resolution-3264 x 2448 pixels
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Selfie camera features-Face unlock
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Selfie camera video-1080p@30fps
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DxOMark photo104-
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DxOMark video96-
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DxOMark camera score101-
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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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RadioNoNo
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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, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYesYes
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USBType-C 1.0 reversible connectorType-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v5.1
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX AdaptiveaptX HD
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NFCYesNo
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYesYes
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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, fingerprint, 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 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQualcomm Quick Charge 4, Power Delivery 3.0Yes
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Reverse chargingYes-
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Cost
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Price800 USD190 USD
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Tests and performance
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Antutu-241774 (v8)
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Geekbench(single-core)-480 (v5.2)
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Geekbench(multi-core)-1649 (v5.2)