Xiaomi Redmi Note 9 4G vs vivo Y21G
Xiaomi Redmi Note 9 4G
vivo Y21G
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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, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1, 3, 5, 8, 34, 38, 39, 40, 41LTE frequency band 1, 3, 5, 8, 38, 40, 41
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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 speedEV-DO Rev.A 3.1 Mbps download, 1.8 Mbps uploadEV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE-A, 391 Mbps download, 150 Mbps uploadLTE, 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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Status2020-112022-04
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Oficially announced2020-112022-04
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Design
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BuildGlass front (Gorilla Glass 3), plastic frame, plastic backGlass front, plastic frame, plastic back
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height162.3 mm164.3 mm
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Width77.3 mm76.1 mm
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Thickness9.6 mm8 mm
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Weight198 g182 g
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ColorsBlue, Gray, Green, OrangeBlue, Diamond Glow
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.53 inches6.51 inches
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Resolution1080 x 2340 pixels720 x 1600 pixels
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Pixel density395 ppi270 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Corning Gorilla Glass 3-
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Display features400 nits (typ), Max Vision Display-
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.0 GHz Kryo 260 GoldDual-core 2.0 GHz Cortex-A75
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CPU(second)Hexa-core 1.8 GHz Kryo 260 SilverHexa-core 1.7 GHz Cortex-A55
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ChipsetQualcomm SM6115 Snapdragon 662Mediatek MT6769 Helio G70
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GPUAdreno 610Mali-G52 2EEMC2
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Memory RAM4, 6, 8 GB4 GB
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Internal storage128, 256 GB64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max512 GB-
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StorageUFS 2.2-
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OS
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OSAndroid 10, MIUI 12Android 11, Funtouch 11.1
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Main camera
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Camera typeTripleDual
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Main camera(wide) , 48 MP, f/1.8 , 26 mm, 1/2.0" , 0.8 µm(wide) , 13 MP, f/2.2
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(ultrawide) , 8 MP, f/2.2 , 120˚ , 1/4.0" , 1.12 µm(macro) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution4608 x 3456 pixels4160 x 3120 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, 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, phase detection autofocus, laser autofocus, RAWAutofocus, 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 camera(wide) , 8 MP, f/2.0 , 27 mm, 1/4.0" , 1.12 µm(wide) , 8 MP, f/2.0
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Selfie camera resolution3264 x 2448 pixels3264 x 2448 pixels
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Selfie camera featuresFace unlock-
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Selfie camera video1080p@30fps1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioFM RadioFM 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 802.11a, 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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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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InfraredYes-
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NFCNoNo
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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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Features
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SensorsAccelerometer, compass, fingerprint, 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 capacity6000 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 3.0Yes, 18W
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Reverse chargingYes-
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Tests and performance
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Antutu184000 (v8)194000 (v8)
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Geekbench(single-core)317 (v5.2)356 (v5.2)
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Geekbench(multi-core)1388 (v5.2)1149 (v5.2)
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Cost
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Price210 USD190 USD
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