UMIDIGI A3X vs vivo U3
UMIDIGI A3X
vivo U3
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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, 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), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speedLTE Cat 4, 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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Status2019-112019-10
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Oficially announced2019-112019-10
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Design
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BuildMetal, glassPlastic
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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 mm162.2 mm
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Width70.2 mm76.4 mm
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Thickness8.7 mm8.9 mm
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Weight184 g193 g
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ColorsGreen, GreyBlack, Blue, Green
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Display
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Display typeIPS capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.7 inches6.53 inches
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Resolution720 x 1512 pixels1080 x 2340 pixels
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Pixel density294 ppi395 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen, Scratch resistantScratch resistant
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 2.0 GHz Cortex-A53Dual-core 2.0 GHz Kryo 460 Gold
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CPU(second)Hexa-core 1.7 GHz Kryo 460 Silver
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ChipsetMediatek Helio A22Qualcomm SDM675 Snapdragon 675
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GPUPowerVR GE8300Adreno 612
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Internal storage16 GB64 GB
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Memory RAM3 GB4, 6 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 10Funtouch 9.1 OS (Android 9.0 Pie)
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Main camera
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Camera typeDualTriple
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Main camera16 MP, f/2.0 , 0.26" , 1.132 µm16 MP, f/1.8
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16 MP8 MP, f/2.2 , 13 mm
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5 MP2 MP, f/2.4
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Primary camera resolution4608 x 3456 pixels4608 x 3456 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashdual LED flashLED 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, 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/2.016 MP
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Selfie camera resolution4160 x 3120 pixels4608 x 3456 pixels
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Selfie camera video1080p@30fps1080p@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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RadioFM RadioFM 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, 802.11n 5GHz
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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Wi-Fi displayYesYes
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WLAN WiFi Dual BandYesYes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth HIDYes-
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bluetooth LEYesYes
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Bluetooth AptX-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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BDS-Yes
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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 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Cost
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Price80 USD150 USD
