Asus Zenfone 4 Pro ZS551KL vs ZTE nubia Z18
Asus Zenfone 4 Pro ZS551KL
ZTE nubia Z18
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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 800, 850, 900, 1700(AWS), 1800, 1900, 2100HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 19(800), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Global, Taiwan; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 41(2500) - US, Canada, Brazil; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500) - IndiaLTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speed-LTE-A (6CA), Cat18, 1200 Mbps download, 150 Mbps upload
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LTE-A speedLTE-A, (3CA) Cat12, 600 Mbps download, 150 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-82018-9
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Status2017-102018-9
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Design
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Build-Aluminium alloy, glass
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height156.9 mm148.6 mm
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Width75.6 mm72.6 mm
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Thickness7.6 mm8.6 mm
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Weight175 g172 g
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ColorsMoonlight white, Pure BlackBlack, Blue, Red
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Display
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Display typeAMOLED capacitive touchscreenLTPS IPS LCD capacitive touchscreen
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Physical size5.5 inches5.99 inches
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Resolution1080 x 1920 pixels1080 x 2160 pixels
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Pixel density401 ppi403 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 5Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3, LTPS(Low temperature PolySilicon)
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MultitouchYes, max 10 fingersYes
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.45 GHz KryoQuad-core 2.65 GHz Kryo 385 Gold
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CPU(second)quad-core 1.9 GHz Kryoquad-core 1.8 GHz Kryo 385 Silver
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ChipsetQualcomm MSM8998 Snapdragon 835Qualcomm SDM845 Snapdragon 845
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GPUAdreno 540Adreno 630
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Memory RAM6 GB6, 8 GB
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Internal storage64, 128 GB64, 128 GB
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Memory cardmicroSD(uses second SIM slot)-
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Memory card max256 GB-
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OS
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OSAndroid 7.1.1 (Nougat)Android 8.1 Oreo
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Main camera
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Camera typeDualDual
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Main camera12 MP, f/1.7 , 25 mm, 2x optical zoom24 MP, f/1.6 , 1.12 µm
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16 MP, 50 mm16 MP, f/1.6
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Primary camera resolution-4608 x 3456 pixels
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Primary camera video2160p@30fps, 1080p@30/60fps, 1080p@120fps, 720p@240fps2160p@30fps, 1080p@30fps
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Primary camera Autofocuslaser/phase detection autofocus-
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Primary camera flashLED flashdual-LED flash
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Primary camera optical image stabilization4-axis optical image stabilization-
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Primary camera phase detection autofocus-dual pixel phase detection autofocus
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Camera features25mm (1/2.55" sensor size, 1.4 µm pixel size), 50mm (1/3.1" sensor size, 1.0 µm pixel size), geo-tagging, touch focus, face detection, HDR, panoramaAutofocus, 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
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Selfie camera
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Selfie camera8 MP, f/1.9 , 22 mm, 1.4 µm8 MP, f/2.0
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Selfie camera resolution-3264 x 2448 pixels
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Selfie camera video1080p1080p@30fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYes, dual speakersYes
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NotificationsVibration; MP3, WAV ringtones-
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Earpiece-Yes
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Multimedia
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Radio-No
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 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 reversible connectorType-C 1.0 reversible connector
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USB On-The-Go-Yes
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth EDRYes-
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Bluetooth AptXYes-
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InfraredYes-
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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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Beidou-Yes
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BDSYes-
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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JavaNo-
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SensorsFingerprint (front-mounted), accelerometer, color spectrum, compass, gyro, proximityAccelerometer, compass, fingerprint, gyro, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity3600 mAh3450 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging50% in 32 minQuick Charge 4.0
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Talk time 3G27 h 30 min-