Ulefone Armor 3W vs Xiaomi Redmi K20
Ulefone Armor 3W
Xiaomi Redmi K20
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900GSM 850, 900, 1800, 1900, CDMA 800
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3G networkHSDPA 850, 900, 1700, 1900, 2100; TD-SCDMA 1880-1920, 2010-2025 MHzHSDPA 850, 900, 1700, 1900, 2100, TD-SCDMA 1900, 2000
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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), 25(1900), 26(850), 28(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed-42 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, Cat6 301 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 announced2019-92019-5
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Status2019-92019-6
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Design
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BuildPolycarbonate, aluminium alloy, TPUAluminium alloy, glass
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SIMDual SIM (Nano-SIM/Nano-SIM(microSD), dual stand-by)Dual SIM (Nano-SIM, dual SIM stand-by)
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Height164.8 mm156.7 mm
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Width79.2 mm74.3 mm
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Thickness18.15 mm8.8 mm
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Weight364 g191 g
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WaterproofYes, IP68, IP69K-
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Dust proofYes, IP68, IP69K-
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MIL-STD-810GYes-
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ColorsBlack, OrangeBlack, Blue, Red
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Display
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Display typeIPS capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size5.7 inches6.39 inches
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Resolution1080 x 2160 pixels1080 x 2340 pixels
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Pixel density424 ppi403 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Corning Gorilla Glass 52.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 6
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MultitouchYesYes
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Display features-HDR 10, Always-On display
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.1 GHz Cortex-A73Dual-core 2.2 GHz Kryo 470
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CPU(second)quad-core 1.95 GHz Cortex-A53Hexa-core 1.8 GHz Kryo 470
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ChipsetMediaTek Helio P70Qualcomm Snapdragon 730
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GPUMali-G71 MP3Adreno 618
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Memory RAM6 GB6, 8 GB
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Internal storage64 GB64, 128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max256 GB-
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StorageeMMCUFS 2.1
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OS
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OSAndroid 9.0 PieMIUI V10.2 (Android 9.0 Pie)
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Main camera
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Camera type-Triple
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Main camera21 MP, f/1.8 , 1/2.4" , 1.127 µm48 MP, f/1.8 , 1/2" , 0.8 µm, 26 mm, 2x optical zoom
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8 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 resolution5312 x 3984 pixels8000 x 6000 pixels
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Primary camera video1080p@30fps2160p@30fps, 1080p@960fps
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Primary camera flashdual-LED flashdual LED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, optical image stabilization, 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, phase detection
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Selfie camera
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Selfie camera8 MP, f/2.4 , 1/4" , 1.127 µm20 MP, f/2.2 , 18 mm
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Selfie camera resolution3264 x 2448 pixels5184 x 3880 pixels
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Selfie camera video1080p@30fps1080p@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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Multimedia
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RadioFM RadioNo
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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, 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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USBType-C reversible connectorType-C reversible connector
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USB On-The-GoYesYes
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Bluetoothv4.1v5.0
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Bluetooth A2DP-Yes
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bluetooth LEYesYes
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NFCYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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BeidouYesYes
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Features
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SensorsAccelerometer, barometer, coulometer, fingerprint, gyroscope, light, proximityAccelerometer, proximity, light, compass, in-display fingerprint, gyroscope, barometer, hall, step detector, step counter
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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 capacity10300 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingMediaTek Pump Express Plus 2.0Qualcomm Quick Charge 4+
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Cost
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Price240 USD-