Samsung Galaxy S21+ 5G vs Xiaomi Redmi Note 8
Samsung Galaxy S21+ 5G
Xiaomi Redmi Note 8
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMAGSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DOHSDPA 850, 900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500)
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5G network5G band SA/NSA/Sub6/mmWave-
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps11.5 Mbps
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EV-DO speed-3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE-A (CA)LTE, 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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Oficially announced2021-012019-8
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Status2021-012019-9
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Design
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BuildGlass front (Gorilla Glass Victus), glass back (Gorilla Glass), aluminum frameFront glass, plastic body
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SIMSingle SIM (Nano-SIM and/or eSIM) or Dual SIM (Nano-SIM and/or eSIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height161.5 mm158.3 mm
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Width75.6 mm75.3 mm
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Thickness7.8 mm8.4 mm
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Weight200 (Sub6) / 202 (mmWave) g190 g
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PaymentSamsung Pay (Visa, MasterCard certified)-
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WaterproofIP68 (1.5m and 30 mins)IP52
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Dust proofIP68IP52
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ColorsBlack, Gold, Pink, Red, Silver, VioletBlue, Green
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Display
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Display typeDynamic AMOLED 2XIPS LCD capacitive touchscreen
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Physical size6.7 inches6.3 inches
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Resolution1080 x 2400 pixels1080 x 2340 pixels
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Pixel density394 ppi409 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Corning Gorilla Glass Victus2.5D curved glass screen, Corning Gorilla Glass 5
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Multitouch-Yes
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Display features120Hz, HDR10+, 1300 nits (peak), Infinity-O display, Always-On display-
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.9 GHz Cortex-X1Quad-core 2.0 GHz Kryo 260 Gold
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CPU(second)Triple-core 2.80 GHz Cortex-A78quad-core 1.8 GHz Kryo 260 Silver
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CPU(third)Quad-core 2.2 GHz Cortex-A55
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ChipsetExynos 2100Qualcomm SDM665 Snapdragon 665
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GPUMali-G78 MP14Adreno 610
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Memory RAM8 GB4, 6 GB
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Internal storage128, 256 GB64, 128 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-256 GB
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StorageUFS 3.X-
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OS
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OSAndroid 11, One UI 3.1MIUI V10(Android 9.0 Pie)
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Main camera
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Camera typeTripleQuad
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Main camera(wide) , 12 MP, f/1.8 , 26 mm, 1/1.76" , 1.8 µm48 MP, f/1.8 , 1/2" , 0.8 µm
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(telephoto) , 64 MP, f/2.0 , 1/1.72" , 0.8 µm, 1.1x optical zoom , 3x hybrid zoom8 MP, f/2.2 , 1/4" , 1.12 µm, 13 mm
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120˚ , (ultrawide) , 12 MP, f/2.2 , 1/2.55" , 1.4 µm2 MP, f/2.4 , 1/5" , 1.75 µm
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2 MP, f/2.4 , 1/5" , 1.75 µm
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Primary camera resolution4032 x 3024 pixels8000 x 6000 pixels
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Primary camera video8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS2160p@30fps, 1080p@30/60/120fps, 720p@960fps
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, optical zoom, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocusAutofocus, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, phase detection
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DxOMark photo123-
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DxOMark zoom77-
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DxOMark video93-
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DxOMark camera score116-
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Selfie camera
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Selfie camera(wide) , 10 MP, f/2.2 , 80˚ , 26 mm, 1/3.24" , 1.22 µm13 MP, f/2.0
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Selfie camera resolution3648 x 2736 pixels4224 x 3136 pixels
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Selfie camera featuresAutofocus, HDR, phase detection autofocus-
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Selfie camera video4K@30/60fps, 1080p@30fps1080p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYes, with stereo speakersYes
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EarpieceYesYes
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 6EWi-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 3.2Type-C 1.0 reversible connector
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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 HID-Yes
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bluetooth LEYesYes
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Bluetooth EDR-Yes
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Infrared-Yes
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYesYes
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Beidou-Yes
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BDSYes-
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Features
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SensorsAccelerometer, barometer, compass, fingerprint, gyroscope, proximityAccelerometer, fingerprint, light, proximity
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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 capacity4800 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesQualcomm Quick Charge 4.0
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Wireless reverse chargingYes-
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Fast wireless chargingQi/PMA-
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Tests and performance
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Antutu677991 (v8)-
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Geekbench(single-core)1094 (v5.2)-
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Geekbench(multi-core)3721 (v5.2)-
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SAR value
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SAR(head)0.65 W/kg-
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SAR(body)0.95 W/kg-
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SAR EU(head)0.54 W/kg-
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SAR EU(body)1.33 W/kg-
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Cost
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Price1000 USD150 USD
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Multimedia
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Radio-FM Radio