vivo X20 Plus UD vs Maxwest Astro X4
vivo X20 Plus UD
Maxwest Astro X4
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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, 1700(AWS), 1900
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)-
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HSDPA speed-21.1 Mbps
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HSUPA speed-5.76 Mbps
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GPRSYesClass 12
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EDGEYesClass 12
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Availability
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Oficially announced2018-12016-1
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Status2018-12016-2
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Design
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BuildFront glass, aluminum body-
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (dual stand-by)
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Height155.3 mm123.5 mm
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Width80.1 mm64 mm
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Thickness7.5 mm9.8 mm
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Weight181.5 g122 g
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ColorsGold, Matte Black, Rose goldBlack, Blue, Gold, Pink, White
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Display
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Display typeSuper AMOLED capacitive touchscreenCapacitive touchscreen
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Physical size6.43 inches4.0 inches
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Resolution1080 x 2160 pixels480 x 800 pixels
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Pixel density376 ppi233 ppi
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Display colors1677721616777216
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MultitouchYesYes
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.2 GHz Kryo 260Dual-core 1.0 GHz Cortex-A7 ARM
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CPU(second)quad-core 1.8 GHz Kryo 260
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ChipsetQualcomm MSM8956 Plus Snapdragon 660Mediatek MT6572M
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GPUAdreno 512Mali-400
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Internal storage128 GB4 GB
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Memory RAM4 GB512 MB
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Memory cardmicroSD(uses second SIM slot)microSD
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Memory card max256 GB32 GB
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OS
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OSAndroid 7.1.1 (Nougat)Android OS, v4.4 (KitKat)
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Main camera
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Main camera12 MP, f/1.83.15 MP
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Primary camera resolution4032 x 3024 pixels-
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Primary camera video1080p@30fps720p
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusGeo-tagging, touch focus
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Selfie camera
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Flash-LED flash
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Secondary camera-VGA
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Selfie camera12 MP, f/2.0
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Selfie camera resolution4032 x 3024 pixels-
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Selfie camera video1080p@30fps-
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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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EarpieceYes-
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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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-GoYes-
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Bluetoothv5.0v4.0
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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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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 Email-
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Java-No
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SensorsFingerprint (under display), accelerometer, compass, proximityAccelerometer, proximity
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3900 mAh1400 mAh
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Battery removableNon-removableRemovable
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Fast battery chargingYes-
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Talk time-8 h
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Standby time-180 h