Xiaomi Redmi K20 vs alcatel Go Flip 4
Xiaomi Redmi K20
alcatel Go Flip 4
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Network
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2G networkGSM 850, 900, 1800, 1900, CDMA 800GSM 850, 1900
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3G networkHSDPA 850, 900, 1700, 1900, 2100, TD-SCDMA 1900, 2000HSDPA 850, 1700(AWS), 1900
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)LTE frequency band 2, 4, 5, 12, 25, 26, 41, 66, 71
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HSDPA speed42 Mbps-
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HSUPA speed5.76 Mbps-
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EV-DO speed3.1 Mbps download, 1.8 Mbps upload-
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LTE speed-LTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2019-52021-09
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Status2019-62021-09
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Design
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BuildAluminium alloy, glass-
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SIMDual SIM (Nano-SIM, dual SIM stand-by)Nano-SIM
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Height156.7 mm107.3 mm
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Width74.3 mm55.6 mm
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Thickness8.8 mm19.9 mm
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Weight191 g133 g
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ColorsBlack, Blue, RedBlue
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Display
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Display typeSuper AMOLED capacitive touchscreenTN TFT LCD
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Physical size6.39 inches2.8 inches
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Resolution1080 x 2340 pixels240 x 320 pixels
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Pixel density403 ppi143 ppi
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Display colors16777216-
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Protection2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 6-
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MultitouchYes-
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Display featuresHDR 10, Always-On display-
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Additional display-TN TFT
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Resolution of additional display-128 x 128 pixels
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Size of additional display-1.44 inches
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Hardware
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CPUOcta-core-
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CPUDual-core 2.2 GHz Kryo 470Quad-core 1.3 GHz Cortex-A53
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CPU(second)Hexa-core 1.8 GHz Kryo 470
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ChipsetQualcomm Snapdragon 730QM215 Snapdragon 215
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GPUAdreno 618Adreno 308
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Memory RAM6, 8 GB512 MB
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Internal storage64, 128, 256 GB4 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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StorageUFS 2.1-
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OS
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OSMIUI V10.2 (Android 9.0 Pie)KaiOS 3.0
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Main camera
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Camera typeTripleSingle
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Main camera48 MP, f/1.8 , 26 mm, 1/2" , 0.8 µm, 2x optical zoom2 MP
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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 resolution8000 x 6000 pixels-
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Primary camera video2160p@30fps, 1080p@960fps480p@30fps
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Primary camera flashdual LED flash-
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Camera featuresAutofocus, 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 camera20 MP, f/2.2 , 18 mm
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Selfie camera resolution5184 x 3880 pixels-
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Selfie camera video1080p@30fps-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYes-
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Multimedia
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RadioNoFM 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 802.11b, 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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USBType-C reversible connectorType-C 2.0
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USB On-The-GoYes-
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Bluetoothv5.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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NFCYesNo
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GPSYes, with A-GPSYes
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GLONASSYes-
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BeidouYes-
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Features
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SensorsAccelerometer, proximity, light, compass, in-display fingerprint, gyroscope, barometer, hall, step detector, step counter-
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity4000 mAh1850 mAh
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Battery removableNon-removableRemovable
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Fast battery chargingQualcomm Quick Charge 4+-
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SAR value
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SAR(head)-0.78 W/kg
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SAR(body)-1.27 W/kg
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Cost
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Price-75 USD