UMIDIGI A3X vs Ulefone Armor 2S
UMIDIGI A3X
Ulefone Armor 2S
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkW-CDMA 850, 900, 1700, 1900, 2100HSDPA 850, 900, 1700, 1900, 2100
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(850), 19(850), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500)LTE 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, 2600
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LTE speedLTE Cat 4, 150 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 announced2019-112017-12
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Status2019-112017-12
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Design
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BuildMetal, glassMetal, plastic
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SIMDual SIM (Nano-SIM, dual SIM stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height147.2 mm159 mm
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Width70.2 mm78.3 mm
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Thickness8.7 mm14.5 mm
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Weight184 g270 g
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Waterproof-Yes, IP68
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Dust proof-Yes, IP68
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ColorsGreen, GreyGold, Gray, Green, Red
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Display
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Display typeIPS capacitive touchscreenIPS capacitive touchscreen
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Physical size5.7 inches5 inches
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Resolution720 x 1512 pixels1080 x 1920 pixels
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Pixel density294 ppi441 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen, Scratch resistantScratch resistant, Corning Gorilla Glass 3, Oleophobic(lipophobic) coating
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MultitouchYesYes
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Hardware
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CPUQuad-core 2.0 GHz Cortex-A53Quad-core 1.5 GHz Cortex-A53
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ChipsetMediatek Helio A22Mediatek MT6737T
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GPUPowerVR GE8300Mali-T720 MP2
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Memory RAM3 GB2 GB
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Internal storage16 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max128 GB256 GB
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OS
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OSAndroid 10Android OS, v7.0 Nougat
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Main camera
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Camera typeDual-
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Main camera16 MP, f/2.0 , 0.26" , 1.132 µm13 MP, f/2.0 , 1.127 µm
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16 MP
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5 MP
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Primary camera resolution4608 x 3456 pixels4160 x 3120 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashdual LED flashdual-LED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detectionAutofocus, 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 camera13 MP, f/2.05 MP, f/2.0
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Selfie camera resolution4160 x 3120 pixels2560 x 1920 pixels
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Selfie camera video1080p@30fps720p@30fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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EarpieceYes-
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Headphone adapter-Yes
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Multimedia
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RadioFM Radio-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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Wi-Fi displayYes-
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0Type-C reversible connector
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USB On-The-GoYesYes
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Bluetoothv5.0v4.1
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Bluetooth A2DPYesYes
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bluetooth HIDYes-
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bluetooth LEYes-
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYes-
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BeidouYes-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximity, lightAccelerometer, 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 capacity3300 mAh4700 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-MediaTek Pump Express Plus 2.0
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Talk time 2G-20 h
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Talk time 3G-20 h
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Standby time 2G-640 h
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Standby time 3G-640 h
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Cost
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Price80 USD-
