UMIDIGI A3 vs Xiaomi Redmi K20 Pro Premium
UMIDIGI A3
Xiaomi Redmi K20 Pro Premium
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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 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), 39(1900); LTE-TDD 2300, 2500, 2600 MHzLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 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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EV-DO speed-3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE, Cat4, 150 Mbps download, 51 Mbps uploadLTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-92019-9
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Status2018-92019-9
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Design
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BuildMetal, plasticAluminium alloy, glass
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height147.2 mm156.7 mm
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Width70.2 mm74.3 mm
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Thickness8.5 mm8.8 mm
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Weight186 g191 g
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ColorsGray, GoldBlack, Blue, Red, Honey, White
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Display
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Display typeIPS capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size5.5 inches6.39 inches
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Resolution720 x 1440 pixels1080 x 2340 pixels
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Pixel density293 ppi403 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screenScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 6
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MultitouchYesYes
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Display features-HDR10, DCI-P3, Always-on-display
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.5 GHz Cortex-A53Single-core 2.96 GHz Kryo 485
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CPU(second)Triple-core 2.42 GHz Kryo 485
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CPU(third)Quad-core 1.8 GHz Kryo 485
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ChipsetMediatek MT6739Qualcomm SDM855 Snapdragon 855+
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GPUPowerVR GE8100Adreno 640
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Memory RAM2 GB8, 12 GB
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Internal storage16 GB128, 512 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max256 GB-
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StorageeMMC 5.1-
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OS
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OSAndroid 8.1 OreoMIUI 11 (Android 10)
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Main camera
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Camera typeDualTriple
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Main camera12 MP, f/2.0 , 1.25 µm48 MP, f/1.8 , 0.8 µm, 26 mm, 1/2" , 2x optical zoom
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5 MP8 MP, f/2.4 , 53 mm, 1/4" , 1.12 µm
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13 MP, f/2.4 , 12 mm, 1/3" , 1.12 µm
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Primary camera resolution4032 x 3024 pixels8000 x 6000 pixels
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Primary camera video1080p@30fps2160p@30/60fps, 1080p@30/120/240fps, 1080p@960fps
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Primary camera flashdual-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, optical zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, RAW
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Selfie camera
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Selfie camera8 MP, f/2.0 , 32.9 mm, 1.127 µm20 MP, f/2.2 , 0.8 µm
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Selfie camera resolution3264 x 2448 pixels5184 x 3880 pixels
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Selfie camera video720p@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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Radio-Yes
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHzWi-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 DirectYesYes
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Wi-Fi displayYesYes
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WLAN WiFi Dual BandYesYes
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USBmicroUSB 2.0Type-C 1.0 reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth AptX-aptX HD
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NFC-Yes
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GPSYes, with A-GPSYes, with dual-band A-GPS
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GLONASSYesYes
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GALILEO-Yes
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BeidouYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, light, proximityAccelerometer, barometer, compass, fingerprint, gyroscope, hall, proximity, step counter, step detector, in-display fingerprint sensor
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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 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Qualcomm Quick Charge 4+
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Cost
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Price-500 USD
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