vivo X20 vs Asus Zenfone V V520KL
vivo X20
Asus Zenfone V V520KL
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Network
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2G networkGSM 900, 1800; CDMA 800 & TD-SCDMAGSM 850, 900, 1800, 1900
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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 2(1900), 4(1700/2100), 5(850), 13(700)
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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, 400 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 announced2017-92017-9
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Status2017-102017-9
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Design
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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 mm146.6 mm
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Width75.2 mm72.6 mm
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Thickness7.2 mm7.6 mm
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Weight159 g147.1 g
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ColorsBlack/Gold, Gold, Matte Black, Rose goldSapphire Black
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Display
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Display typeSuper AMOLED capacitive touchscreenAMOLED capacitive touchscreen
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Physical size6.01 inches5.2 inches
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Resolution1080 x 2160 pixels1080 x 1920 pixels
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Pixel density402 ppi424 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass
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MultitouchYesYes, max 10 fingers
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Hardware
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CPUOcta-coreQuad-core
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CPUQuad-core 2.2 GHz Kryo 260Dual-core 2.15 GHz Kryo
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CPU(second)quad-core 1.8 GHz Kryo 260dual-core 1.6 GHz Kryo
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ChipsetQualcomm MSM8956 Plus Snapdragon 660Qualcomm MSM8996 Snapdragon 820
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GPU-Adreno 530
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Internal storage64 GB32 GB
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Memory RAM4 GB4 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 7.0 (Nougat)
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Main camera
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Camera typeDual-
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Main camera12 MP, f/1.823 MP, f/2.0
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5 MP
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Primary camera video1080p@30fps2160p@30fps, 1080p@30fps
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashdual-LED (dual tone) flash
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Primary camera optical image stabilization-4-axis optical image stabilization
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Primary camera phase detection autofocus-phase detection autofocus
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Primary camera laser autofocus-laser autofocus
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focus1.0 µm pixel size, 1/2.6" sensor size, HDR, face detection, geo-tagging, panorama, touch focus
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Selfie camera
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Selfie camera12 MP, f/2.08 MP, f/2.0
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Secondary camera HDR-HDR
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Secondary Camera Panorama-panorama
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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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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, 802.11acWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 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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USBmicroUSB 2.0Type-C 1.0 reversible connector
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USB On-The-GoYes-
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Bluetoothv5.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth EDR-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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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 IM-IM
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Messaging Push EmailPush EmailPush Email
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JavaNoNo
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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximityFingerprint (front-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 mAh3000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesQuick Charge 2.0, 60% in 37 min