Allview X4 Soul Infinity Z vs Yezz Classic Z51
Allview X4 Soul Infinity Z
Yezz Classic Z51
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100-
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4G networkLTE frequency band 1(2100), 8(900), 38(2600)-
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HSDPA speed21.1 Mbps-
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HSUPA speed5.76 Mbps-
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LTE-A speedLTE-A, (2CA) Cat6, 300 Mbps download, 50 Mbps upload-
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GPRSClass 10Yes
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EDGEClass 10
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Availability
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Oficially announced2017-92015-7
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Status2017-92015-9
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Design
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BuildMetal, plastic-
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SIMHybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height152 mm100.5 mm
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Width72.6 mm50.5 mm
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Thickness8.5 mm17.8 mm
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Weight155 g86 g
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ColorsMocha Gold, Night Sky, Steel GrayBlack, White
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Display
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Display typeIPS LCD capacitive touchscreenTFT
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Physical size5.7 inches1.3 inches
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Resolution720 x 1440 pixels240 x 320 pixels
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Pixel density282 ppi308 ppi
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Display colors1677721666560
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MultitouchYes-
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Hardware
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CPUOcta-core 1.5 GHz ARM Cortex-A53
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ChipsetMediatek MT6750T-
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GPUMali-T860MP2-
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Memory RAM4 GB-
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Internal storage32 GB16 MB
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Memory cardmicroSD(uses second SIM slot)microSD
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Memory card max128 GB32 GB
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OS
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OSAndroid 7.0 (Nougat)-
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Main camera
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Camera typeDual-
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Main camera13 MP, f/2.01.3 MP
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5 MP
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Primary camera resolution4160 x 3120 pixels1280 x 1024 pixels
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Primary camera video1080p@30fpsvideo
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Primary camera Autofocusphase detection autofocus-
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusNo
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Selfie camera
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Secondary camera-No
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Selfie camera8 MP
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Selfie camera resolution3264 x 2448 pixels-
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Selfie camera video720p@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, Polyphonic
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EarpieceYes-
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Multimedia
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Radio FMFM radioStereo FM radio; built in antenna
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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USBType-C 1.0 reversible connectorYes
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Bluetoothv4.0v3.0
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Bluetooth A2DPYes-
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Bluetooth EDRYesYes
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InfraredYes-
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push MailPush Mail-
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WAP-WAP 2.0/xHTML
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Java-No
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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximity-
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity3000 mAh800 mAh
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Battery removableNon-removable-
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Talk time-5 h
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Talk time 2G13 h-
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Talk time 3G13 h-
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Standby time-130 h
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Standby time 2G300 h-
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Standby time 3G300 h-