vivo iQOO Z8x vs vivo y31 2021
vivo iQOO Z8x
vivo y31 2021
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 2100; CDMA2000 1xHSDPA 850, 900, 2100
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4G networkLTE frequency band 1, 3, 5, 8, 28, 34, 38, 39, 40, 41LTE frequency band 1, 3, 5, 8, 38, 40, 41
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5G network5G band 1, 3, 5, 8, 28, 38, 40, 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 speedEV-DO Rev.A 3.1 Mbps download, 1.8 Mbps uploadEV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE-ALTE, Cat4, 150 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2023-082021-01
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Status2023-092021-01
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Design
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BuildGlass, plasticGlass front, plastic back, plastic frame
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height164.6 mm163.9 mm
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Width75.8 mm75.3 mm
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Thickness9.1 mm8.4 mm
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Weight199.6 g188 g
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ColorsBlack, Blue, SilverPlastic
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.64 inches6.58 inches
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Resolution1080 x 2388 pixels1080 x 2408 pixels
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Pixel density395 ppi401 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen-
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Display features120Hz-
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.2 GHz Cortex-A78Quad-core 2.0 GHz Kryo 260 Gold
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CPU(second)quad-core 1.8 GHz Cortex-A55quad-core 1.8 GHz Kryo 260 Silver
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ChipsetQualcomm SM6450 Snapdragon 6 Gen 1Qualcomm SM6115 Snapdragon 662
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GPUAdreno 710Adreno 610
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Memory RAM8, 12 GB6 GB
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Internal storage128, 256 GB128 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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StorageUFS 2.2-
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OS
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OSAndroid 13, OriginOS 3Android 11, Funtouch 11
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Main camera
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Camera typeDualTriple
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Main camera(wide) , 50 MP, f/1.8 , 10x digital zoom(wide) , 48 MP, f/1.8 , 1/2.0" , 0.8 µm
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(depth) , 2 MP, f/2.4(macro) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution8120 x 6180 pixels8000 x 6000 pixels
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Primary camera video4K@30fps4K@30fps, 1080p@30fps, gyro-EIS
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Primary camera flashdual-LED dual-tone flashLED flash
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Camera featuresAutofocus, continuous shooting, digital 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 autofocusAutofocus, 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, macro-mode, phase detection autofocus
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera(wide) , 8 MP, f/2.0 , 1/4" , 1.12 µm(wide) , 16 MP, f/2.0 , 1/3.06" , 1.0 µm
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Selfie camera resolution3264 x 2448 pixels4608 x 3456 pixels
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Selfie camera featuresFace unlock-
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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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RadioNoFM Radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-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 2.0Type-C 2.0
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USB On-The-GoYesYes
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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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NFCNoNo
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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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BDSYesYes
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QZSSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, compass, fingerprint, gyroscope, 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 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes, 44WYes (70% in 67 min)
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Tests and performance
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Antutu440000 (v9)178300 (v8)
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Geekbench(single-core)745 (v5.2)415 (v5)
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Geekbench(multi-core)2208 (v5.2)1316 (v5)
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Cost
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Price180 USD220 USD
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