Xiaomi Redmi K50 Gaming vs vivo Y21s
Xiaomi Redmi K50 Gaming
vivo Y21s
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xHSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41, 66; 1, 3, 5, 8, 40
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5G network5G 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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EV-DO speed-EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE-ALTE, Cat4, 150 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 announced2022-022021-09
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Status2022-022021-09
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Design
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BuildGlass front (Gorilla Glass Victus), glass back, aluminum framePlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height162.5 mm164.3 mm
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Width76.7 mm76.1 mm
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Thickness8.5 mm8 mm
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Weight210 g182 g
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Build featuresPhysical magnetic pop-up gaming triggers-
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ColorsBlack, Blue, Gray, AMGBlue, White
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Display
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Display typeOLEDIPS LCD
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Physical size6.67 inches6.51 inches
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Resolution1080 x 2400 pixels720 x 1600 pixels
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Pixel density395 ppi270 ppi
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Display colors107374182416777216
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass Victus-
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Display features120Hz, HDR10+-
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 3.0 GHz Cortex-X2Dual-core 2.0 GHz Cortex-A75
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CPU(second)Triple-core 2.5 GHz Cortex-A710Hexa-core 1.8 GHz Cortex-A55
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CPU(third)Quad-core 1.8 GHz Cortex-A510
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ChipsetQualcomm SM8450 Snapdragon 8 Gen 1Mediatek MT6769V/CU Helio G80
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GPUAdreno 730Mali-G52 MC2
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Memory RAM8, 12 GB4 GB
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Internal storage128, 256 GB128 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-1 TB
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StorageUFS 3.1-
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OS
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OSAndroid 12, MIUI 13Android 11, Funtouch 11.1
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Main camera
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Camera typeTripleTriple
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Main camera(wide) , 64 MP, f/1.7 , 26 mm, 1/1.73" , 0.8 µm(wide) , 50 MP, f/1.8 , 24 mm
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(ultrawide) , 8 MP, f/2.2 , 120˚(macro) , 2 MP, f/2.4
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(macro) , 2 MP, f/2.4(depth) , 2 MP, f/2.4
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Primary camera resolution9280 x 6920 pixels-
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Primary camera video4K@30/60fps, 1080p@30/60/120fps, 720p@960fps, HDR1080p@30fps
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Primary camera flashdual-LED flashLED flash
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Camera featuresAutofocus, 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 autofocusAutofocus, continuous shooting, 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 autofocus
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera20 MP8 MP, (wide) , f/2.0
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Selfie camera resolution-3264 x 2448 pixels
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Selfie camera featuresFace unlock, HDR-
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Selfie camera video1080p@30/60fps, 720p@120fps, HDR1080p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYes, with stereo speakers (4 speakers)Yes
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EarpieceYesYes
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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, 802.11ac, 802.11axWi-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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WLAN WiFi Dual BandYesYes
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USBType-C 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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InfraredYes-
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NFCYesYes (market dependent)
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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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QZSSYes-
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NavICYes-
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Features
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SensorsAccelerometer, color spectrum, compass, fingerprint, gyroscope, proximityAccelerometer, compass, fingerprint, proximity
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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 capacity4700 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 3+, 120W (100% in 17 min)Quick Charge, 18W
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Reverse charging-Yes
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Tests and performance
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Antutu1035000 (v9)205000 (v8)
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Geekbench(single-core)1279 (v5.2)363 (v5.2)
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Geekbench(multi-core)4222 (v5.2)1353 (v5.2)
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Cost
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Price520 USD170 USD
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SAR value
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SAR(head)-0.83 W/kg
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SAR(body)-1.09 W/kg