Samsung Galaxy S21 5G vs Xiaomi Redmi K50 Gaming
Samsung Galaxy S21 5G
Xiaomi Redmi K50 Gaming
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMAGSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DOHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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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, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
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5G network5G band SA/NSA/Sub6/mmWave5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA/Sub6
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE-A (CA), 2000 Mbps download, 200 Mbps uploadLTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-012022-02
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Status2021-012022-02
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Design
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BuildGlass front (Gorilla Glass Victus), plastic back, aluminum frameGlass front (Gorilla Glass Victus), glass back, aluminum frame
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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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Height151.7 mm162.5 mm
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Width71.2 mm76.7 mm
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Thickness7.9 mm8.5 mm
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Weight169 (Sub6) / 171 (mmWave) g210 g
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PaymentSamsung Pay (Visa, MasterCard certified)-
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WaterproofIP68 (1.5m and 30 mins)-
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Dust proofIP68-
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Build features-Physical magnetic pop-up gaming triggers
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ColorsGray, Pink, Violet, WhiteBlack, Blue, Gray, AMG
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Display
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Display typeDynamic AMOLED 2XOLED
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Physical size6.2 inches6.67 inches
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Resolution1080 x 2400 pixels1080 x 2400 pixels
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Pixel density421 ppi395 ppi
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Display colors167772161073741824
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ProtectionScratch resistant, Corning Gorilla Glass VictusScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass Victus
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Display features120Hz, HDR10+, 1300 nits (peak), Infinity-O display, Always-On display120Hz, HDR10+
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.9 GHz Cortex-X1Single-core 3.0 GHz Cortex-X2
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CPU(second)Triple-core 2.80 GHz Cortex-A78Triple-core 2.5 GHz Cortex-A710
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CPU(third)Quad-core 2.2 GHz Cortex-A55Quad-core 1.8 GHz Cortex-A510
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ChipsetExynos 2100Qualcomm SM8450 Snapdragon 8 Gen 1
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GPUMali-G78 MP14Adreno 730
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Memory RAM8 GB8, 12 GB
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Internal storage128, 256 GB128, 256 GB
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Memory cardNoNo
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StorageUFS 3.XUFS 3.1
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OS
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OSAndroid 11, One UI 3.1Android 12, MIUI 13
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Main camera
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Camera typeTripleTriple
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Main camera(wide) , 12 MP, f/1.8 , 26 mm, 1/1.76" , 1.8 µm(wide) , 64 MP, f/1.7 , 26 mm, 1/1.73" , 0.8 µm
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(telephoto) , 64 MP, f/2.0 , 29 mm, 1/1.72" , 0.8 µm, 1.1x optical zoom , 3x hybrid zoom(ultrawide) , 8 MP, f/2.2 , 120˚
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120˚ , (ultrawide) , 12 MP, f/2.2 , 13 mm, 1/2.55" , 1.4 µm(macro) , 2 MP, f/2.4
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Primary camera resolution4032 x 3024 pixels9280 x 6920 pixels
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Primary camera video8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS4K@30/60fps, 1080p@30/60/120fps, 720p@960fps, HDR
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Primary camera flashLED flashdual-LED 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, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus
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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 type-Single
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Selfie camera(wide) , 10 MP, f/2.2 , 80˚ , 26 mm, 1/3.24" , 1.22 µm20 MP
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Selfie camera resolution3648 x 2736 pixels-
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Selfie camera featuresAutofocus, HDR, phase detection autofocusFace unlock, HDR
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Selfie camera video4K@30/60fps, 1080p@30fps1080p@30/60fps, 720p@120fps, HDR
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DxOMark photo100-
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DxOMark video95-
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DxOMark camera score98-
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Sound
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3.5mm jackNoNo
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LoudspeakerYes, with stereo speakersYes, with stereo speakers (4 speakers)
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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, 802.11ax
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYesYes
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USBType-C 3.2Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Infrared-Yes
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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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GALILEOYesYes
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BDSYesYes
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QZSS-Yes
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NavIC-Yes
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Features
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SensorsAccelerometer, barometer, compass, fingerprint, gyroscope, proximityAccelerometer, color spectrum, compass, fingerprint, gyroscope, 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 capacity4000 mAh4700 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesQuick Charge 3+, 120W (100% in 17 min)
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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)1035000 (v9)
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Geekbench(single-core)828 (v5.2)1279 (v5.2)
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Geekbench(multi-core)2897 (v5.2)4222 (v5.2)
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SAR value
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SAR(head)0.74 W/kg-
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SAR(body)1.08 W/kg-
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SAR EU(head)0.46 W/kg-
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SAR EU(body)1.51 W/kg-
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Cost
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Price800 USD520 USD
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Multimedia
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Radio-No
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