vivo X20 vs vivo Z1
vivo X20
vivo Z1
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Network
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2G networkGSM 900, 1800; CDMA 800 & TD-SCDMAGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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HSPA speedHSPA-
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LTE speedLTE-
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LTE-A speed-LTE-A, (2CA) Cat6, 300 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-92018-5
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Status2017-102018-6
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Design
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Build-Plastic back
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height155.9 mm154.8 mm
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Width75.2 mm75.1 mm
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Thickness7.2 mm7.9 mm
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Weight159 g149.3 g
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ColorsBlack/Gold, Gold, Matte Black, Rose goldBlack, Blue, Red
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Display
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Display typeSuper AMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.01 inches6.26 inches
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Resolution1080 x 2160 pixels1080 x 2280 pixels
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Pixel density402 ppi403 ppi
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Display colors1677721616777216
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MultitouchYesYes
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.2 GHz Kryo 260Quad-core 2.2 GHz Kryo 260
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CPU(second)quad-core 1.8 GHz Kryo 260quad-core 1.8 GHz Kryo 260
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ChipsetQualcomm MSM8956 Plus Snapdragon 660Qualcomm SDM660 Snapdragon 660
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GPU-Adreno 512
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Memory RAM4 GB4 GB
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Internal storage64 GB64 GB
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Memory cardmicroSD(uses second SIM slot)microSD(uses second SIM slot)
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Memory card max256 GB256 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/1.813 MP
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5 MP2 MP
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video1080p@30fps2160p@30fps, 1080p@30fps
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Primary camera Autofocusautofocusphase detection autofocus
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera12 MP, f/2.024 MP, f/2.0
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Selfie camera resolution-4032 x 3024 pixels
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Selfie camera video-1080p
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Earpiece-Yes
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0Yes
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Bluetooth A2DPYes-
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bluetooth LEYes-
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GPSYes, with A-GPSYes, with A-GPS
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BDS-Yes
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging Push EmailPush EmailPush Email
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JavaNo-
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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximityFingerprint (rear-mounted), accelerometer, compass, gyro, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3250 mAh3260 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesYes
