Allview X4 Soul Infinity Z vs Elephone U2
Allview X4 Soul Infinity Z
Elephone U2
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1(2100), 8(900), 38(2600)LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800)
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HSDPA speed21.1 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speed-LTE, Cat6, 301 Mbps download, 51 Mbps upload
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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 10Yes
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Availability
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Oficially announced2017-92018-8
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Status2017-92018-8
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Design
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BuildMetal, plasticMetal, glass
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SIMHybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)Dual SIM (Nano-SIM/Nano-SIM(microSD))
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Height152 mm-
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Width72.6 mm-
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Thickness8.5 mm-
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Weight155 g-
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ColorsMocha Gold, Night Sky, Steel GrayBlack, Red
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Display
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Display typeIPS LCD capacitive touchscreenIPS
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Physical size5.7 inches6.26 inches
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Resolution720 x 1440 pixels1080 x 2340 pixels
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Pixel density282 ppi412 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUOcta-core 1.5 GHz ARM Cortex-A53Quad-core 2.0 GHz Cortex-A73
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CPU(second)quad-core 2.0 GHz Cortex-A53
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ChipsetMediatek MT6750TMediaTek Helio P60 MT6771
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GPUMali-T860MP2Mali-G72 MP3
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Memory RAM4 GB6 GB
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Internal storage32 GB128 GB
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Memory cardmicroSD(uses second SIM slot)microSD, microSDHC, microSDXC
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Memory card max128 GB-
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OS
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OSAndroid 7.0 (Nougat)Android 9.0 Pie
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Main camera
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Camera typeDualTriple
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Main camera13 MP, f/2.012 MP
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5 MP5 MP
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2 MP
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Primary camera resolution4160 x 3120 pixels4032 x 3024 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocusphase detection autofocus-
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Primary camera flashLED flashdual-LED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene mode
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Selfie camera
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Selfie camera8 MP16 MP
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Selfie camera resolution3264 x 2448 pixels4608 x 3456 pixels
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Selfie camera video720p@30fps1080p@30fps MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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EarpieceYesYes
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Multimedia
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Radio-FM radio with RDS
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Radio FMFM 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, 802.11n 5GHz
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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Wi-Fi display-Yes
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WLAN WiFi Dual Band-Yes
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USBType-C 1.0 reversible connectorType-C reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth EDRYes-
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InfraredYes-
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NFC-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)-
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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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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximityAccelerometer, compass, fingerprint, gyroscope, heart rate, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity3000 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Talk time 2G13 h-
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Talk time 3G13 h-
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Standby time 2G300 h-
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Standby time 3G300 h-