Samsung Galaxy S8 vs Xiaomi Redmi K20 Pro
Samsung Galaxy S8
Xiaomi Redmi K20 Pro
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900, CDMA 800
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1700, 1900, 2100, TD-SCDMA 1900, 2000
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 20(800), 28(700)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 speed42.2 Mbps42 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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EV-DO speed-3.1 Mbps download, 1.8 Mbps upload
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LTE-A speedLTE-A, (4CA) Cat16, 1024 Mbps download, 150 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-32019-5
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Status20172019-6
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Design
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BuildCorning Gorilla Glass 5 back panelAluminium alloy, Glass
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SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual SIM stand-by)
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Height148.9 mm156.7 mm
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Width68.1 mm74.3 mm
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Thickness8 mm8.8 mm
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Weight155 g191 g
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PaymentSamsung Pay(Visa, Mastercard)-
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WaterproofIP68 - 1.5 m and 30 minutes-
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Dust proofIP68-
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ColorsArctic Silver, Coral Blue, Maple Gold, Midnight Black, Orchid GrayBlack, Blue, Red
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Display
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Display typeSuper AMOLED capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size5.8 inches6.39 inches
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Resolution1440 x 2960 pixels1080 x 2340 pixels
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Pixel density570 ppi403 ppi
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Display colors1677721616777216
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ProtectionCorning 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 2.3 GHzSingle-core 2.84 GHz Kryo 485
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CPU(second)quad-core 1.7 GHzTriple-core 2.42 GHz Kryo 485
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CPU(third)Quad-core 1.8 GHz Kryo 485
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ChipsetQualcomm MSM8998 Snapdragon 835 - US / Exynos 8895 Octa - EMEAQualcomm SDM855 Snapdragon 855
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GPUAdreno 540 - USAdreno 640
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Memory RAM4 GB6, 8, 12 GB
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Internal storage64 GB64, 128, 256 GB
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Memory cardmicroSDNo
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Memory card max256 GB-
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Storage-UFS 2.1
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OS
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OSAndroid OS, v7.0MIUI V10.2 (Android 9.0 Pie)
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Main camera
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Camera type-Triple
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Main camera12 MP, f/1.7 , 26 mm48 MP, f/1.8 , 26 mm, 1/2" , 0.8 µm, 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 resolution-8000 x 6000 pixels
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Primary camera video2160p@30fps, 1080p@60fps2160p@30fps, 1080p@960fps
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Primary camera flashLED flashdual LED flash
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Primary camera optical image stabilizationoptical image stabilization-
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Primary camera phase detection autofocusphase detection autofocus-
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Primary camera video dual videodual-video record-
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Primary camera video hdrHDR-
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Camera features1.4 µm pixel size, 1/2.5" sensor size, Auto HDR, face/smile detection, geo-tagging, panorama, simultaneous 4K video and 9MP image recording, touch focusAutofocus, 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, phase detection, macro mode, RAW, laser autofocus
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DxOMark photo-108
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DxOMark video-89
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DxOMark camera score-102
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Selfie camera
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Selfie camera8 MP, f/1.720 MP, f/2.2 , 18 mm, 0.8 µm
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Selfie camera resolution-5184 x 3880 pixels
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Secondary camera autofocusautofocus-
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Secondary camera dual video calldual video call-
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Secondary camera HDRAuto HDR-
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Selfie camera video-1080p@30fps
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DxOMark photo71-
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DxOMark video75-
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DxOMark camera score73-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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Earpiece-Yes
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 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 display-Yes
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WLAN WiFi Dual BandYesYes
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USBType-C 1.0 reversible connectorType-C reversible connector
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USB On-The-Go-Yes
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXYes-
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NFCYesYes
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GPSYes, with A-GPSYes (L1+L5), with A-GPS
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GLONASSYesGLONASS (L1)
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GALILEOYesGalileo (E1+E5a)
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Beidou-Yes
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BDSYes-
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push MailPush Mail-
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JavaNo-
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SensorsIris scanner, SpO2, accelerometer, barometer, compass, fingerprint (rear-mounted), gyro, heart rate, 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-IonLi-Po
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Battery capacity3000 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesQualcomm Quick Charge 4+
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Wireless chargingQi/PMA-