Ulefone Armor 2S vs vivo Z1i
Ulefone Armor 2S
vivo Z1i
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkHSDPA 850, 900, 1700, 1900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 18(800), 38(2600), 39(1900); LTE-TDD 1900, 2300, 2500, 2600LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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EV-DO speed-3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE, Cat4 150 Mbps download, 51 Mbps uploadLTE, Cat12, 603 Mbps download, 102 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2017-122018-6
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Oficially announced2017-122018-6
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Design
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BuildMetal, plasticAluminium alloy, polycarbonate
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SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM/Nano-SIM(microSD), dual stand-by)
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Height159 mm154.8 mm
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Width78.3 mm75.1 mm
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Thickness14.5 mm7.9 mm
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Weight270 g149 g
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WaterproofYes, IP68-
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Dust proofYes, IP68-
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ColorsGold, Gray, Green, RedBlack, Red
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Display
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Display typeIPS capacitive touchscreenIPS capacitive touchscreen
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Physical size5 inches6.26 inches
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Resolution1080 x 1920 pixels1080 x 2280 pixels
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Pixel density441 ppi403 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Corning Gorilla Glass 3, Oleophobic(lipophobic) coatingScratch resistant, Corning Gorilla Glass 3, 2.5D curved glass screen, Full Lamination Technology
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.5 GHz Cortex-A53Quad-core 1.8 GHz Kryo 260
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CPU(second)quad-core 1.6 GHz Kryo 260
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ChipsetMediatek MT6737TQualcomm SDM636 Snapdragon 636
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GPUMali-T720 MP2Qualcomm Adreno 509
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Memory RAM2 GB4 GB
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Internal storage16 GB128 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, v7.0 NougatAndroid 8.1 Oreo
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Main camera
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Camera type-Dual
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Main camera13 MP, f/2.0 , 1.127 µm13 MP, f/2.2
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2 MP, f/2.4
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Primary camera resolution4160 x 3120 pixels4160 x 3120 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashdual-LED flashLED flash
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Primary camera phase detection autofocus-phase 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 camera5 MP, f/2.016 MP, f/2.0
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Selfie camera resolution2560 x 1920 pixels4608 x 3456 pixels
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Selfie camera video720p@30fps1080p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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Earpiece-Yes
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Headphone adapterYes-
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Multimedia
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Radio-No
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBType-C reversible connectormicroUSB 2.0
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USB On-The-GoYesYes
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Bluetoothv4.1v5.0
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Bluetooth A2DPYesYes
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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Beidou-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, light, proximityAccelerometer, compass, fingerprint, gyroscope, 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 capacity4700 mAh3260 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingMediaTek Pump Express Plus 2.0Yes
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Talk time 2G20 h-
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Talk time 3G20 h-
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Standby time 2G640 h-
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Standby time 3G640 h-