Ulefone T1 Premium Edition vs Vertex Impress Zeon 4G
Ulefone T1 Premium Edition
Vertex Impress Zeon 4G
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 MHzGSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700, 1900, 2100; TD-SCDMA 1880-1920 MHz; TD-SCDMA 2010-2025 MHzHSDPA 900, 2100
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 18(800); LTE-TDD 1900, 2300, 2500, 2600LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
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EV-DO speed3.1 Mbps download, 1.8 Mbps upload-
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LTE speedLTE, Cat6, 301 Mbps download, 51 Mbps uploadLTE, Cat4, 150 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-112018-12
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Status2017-112018-12
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Design
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BuildAluminium alloyPlastic
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SIMDual SIM (Nano-SIM/Nano-SIM(microSD))Dual SIM(Nano-SIM, dual stand-by)
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Height155 mm150 mm
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Width76.9 mm72 mm
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Thickness8.45 mm8.7 mm
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Weight181 g190 g
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ColorsBlue, RedGray, Champagne
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Display
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Display typeIPS capacitive touchscreenIPS
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Physical size5.5 inches5.5 inches
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Resolution1080 x 1920 pixels480 x 960 pixels
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Pixel density401 ppi195 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Corning Gorilla Glass 3, 2.5D curved glass screen-
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MultitouchYesYes
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.6 GHz Cortex-A53Quad-core 1.3 GHz Cortex-A53
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CPU(second)quad-core 1.6 GHz Cortex-A53
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ChipsetMediaTek Helio P25(MT6757CD)Mediatek MT6739WA
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GPUMali-T880 MP2PowerVR GE8100
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Memory RAM6 GB1 GB
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Internal storage128 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB128 GB
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OS
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OSAndroid OS, v7.0 NougatAndroid 8.1 Oreo Go Edition
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Main camera
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Camera typeDual-
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Main camera16 MP, f/2.0 , 3.5 mm, 1.029 µm8 MP
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5 MP
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Primary camera resolution4608 x 3456 pixels3264 x 2448 pixels
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Primary camera video1080p@30fps720p@30fps
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Primary camera flashquad-LED flashLED flash
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Primary camera phase detection autofocusphase detection autofocus-
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-modeAutofocus, 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 MP, f/2.8 , 2.8 mm, 1.127 µm5 MP
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Selfie camera resolution3264 x 2448 pixels2560 x 1920 pixels
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Selfie camera video1080p@20fps480p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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Radio-FM Radio
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Radio FMFM radio with RDS-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5 GHzWi-Fi 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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WLAN WiFi Dual BandYesYes
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USBType-C reversible connectormicroUSB 2.0
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USB On-The-GoYes-
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Bluetoothv4.1v4.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, light, proximityAccelerometer, light, 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 capacity3680 mAh2300 mAh
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Battery removableNon-removableRemovable
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Fast battery chargingYes-
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Talk time 2G-8 h
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Talk time 3G-8 h
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Standby time 2G450 h240 h
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Standby time 3G450 h240 h
