Allview AX501Q vs vivo X21
Allview AX501Q
vivo X21
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Network
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2G networkGSM 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkHSDPA 900, 2100HSDPA 850, 900, 1900, 2100
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4G network-LTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed21.1 Mbps-
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HSUPA speed5.76 Mbps-
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HSPA speed-HSPA
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LTE speed-LTE
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GPRSClass 12Yes
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EDGEClass 10Yes
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Availability
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Oficially announced2016-62018-3
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Status2016-62018
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Design
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Build-Front glass, aluminum body
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SIMMicro-SIMHybrid Dual SIM (Nano-SIM, dual stand-by)
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Height192 mm154.5 mm
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Width108.5 mm74.8 mm
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Thickness9.9 mm7.4 mm
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Weight253.6 g156.2 g
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ColorsBlackAurora White, Black, Ruby Red
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Display
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Display typeTN capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size7.0 inches6.28 inches
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Resolution600 x 1024 pixels1080 x 2280 pixels
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Pixel density170 ppi402 ppi
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Display colors1677721616777216
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz ARM Cortex-A7Quad-core 2.2 GHz Kryo 260
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CPU(second)quad-core 1.8 GHz Kryo 260
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ChipsetMediatek MT8321Qualcomm SDM660 Snapdragon 660
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GPUMali-400Adreno 512
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Memory RAM1 GB6 GB
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Internal storage8 GB64, 128 GB
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Memory cardmicroSDmicroSD(uses second SIM slot)
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Memory card max128 GB256 GB
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OS
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OSAndroid OS, v5.1 (Lollipop)Android 8.1 (Oreo)
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Main camera
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Camera type-Dual
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Main camera2 MP12 MP, f/1.8 , 1/2.5" , 1.4 µm
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5 MP, f/2.4
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Primary camera resolution-4032 x 3024 pixels
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Primary camera videovideo1080p@30fps
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Primary camera Autofocus-dual pixel phase detection autofocus
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Primary camera flashLED flashLED flash
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Camera featuresGeo-taggingGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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FlashLED flash-
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Selfie camera2 MP12 MP, f/2.0
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Selfie camera resolution-4032 x 3024 pixels
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Selfie camera video-1080p@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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Earpiece-Yes
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-Go-Yes
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BluetoothYesv5.0
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-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 IMIM-
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Messaging Push Email-Push Email
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Messaging Push MailPush Mail-
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JavaNo-
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SensorsAccelerometerFingerprint (rear-mounted), accelerometer, compass, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2500 mAh3200 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Talk time4 h-
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Standby time225 h-
