Ulefone Power 3 vs Vertex Impress Stone
Ulefone Power 3
Vertex Impress Stone
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100HSDPA 900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 20(800)LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
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LTE speedLTE, Cat7 301 Mbps download, 102 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 announced2017-102019-1
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Status2017-102019-1
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Design
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BuildAluminium alloyPlastic, metal
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SIMDual SIM (Nano-SIM/Nano-SIM(microSD))Dual SIM(Nano-SIM, dual stand-by)
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Height159.2 mm149 mm
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Width75.9 mm72 mm
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Thickness9.85 mm9.6 mm
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Weight210 g165 g
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ColorsBlack, GoldBlack, Gold
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Display
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Display typeIPS capacitive touchscreenIPS
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Physical size6 inches5.45 inches
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Resolution1080 x 2160 pixels480 x 960 pixels
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Pixel density402 ppi197 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 4-
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MultitouchYesYes
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.5 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 P23 (MT6763T)Mediatek MT6739
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GPUMali-G71 MP2PowerVR GE8100
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Memory RAM6 GB1 GB
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Internal storage64 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB256 GB
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OS
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OSAndroid OS v7.1 Nougat, Android 8.1 OreoAndroid 8.1 Oreo Go Edition
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Main camera
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Camera typeDualDual
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Main camera16 MP, f/2.08 MP
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5 MP0.3 MP
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Interpolated resolution21 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 flashdual-LED flashdual-LED 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-mode, macro 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 camera typeDual-
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Selfie camera8 MP, f/2.25 MP
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5 MP
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Selfie camera resolution3264 x 2448 pixels2560 x 1920 pixels
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Selfie camera video-480p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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EarpieceYesYes
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Headphone adapterYes-
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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
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual BandYes-
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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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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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BeidouYes-
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Features
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SensorsAccelerometer, compass, gyroscope, fingerprint, light, proximityAccelerometer, fingerprint, 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 capacity6080 mAh2700 mAh
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Battery removableNon-removableRemovable
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Fast battery chargingMediaTek Pump Express Plus 2.0-
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Talk time 2G63 h10 h
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Talk time 3G63 h10 h
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Standby time 2G1800 h-
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Standby time 3G1800 h-
