Samsung Galaxy M21s vs vivo Y77
Samsung Galaxy M21s
vivo Y77
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
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5G network-5G band 1, 3, 28, 40, 41, 78 SA/NSA
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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-3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE-A, 603 Mbps download, 150 Mbps uploadLTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-112022-07
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Status2020-112022-07
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Design
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BuildGlass front (Gorilla Glass 3), plastic back, plastic frameGlass front, plastic frame, plastic back
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SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height159.2 mm164 mm
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Width75.1 mm75.8 mm
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Thickness8.9 mm8.3 mm
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Weight191 g194 g
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ColorsBlack, BlueGlowing Galaxy, Starlight Black
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Display
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Display typeSuper AMOLEDIPS LCD
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Physical size6.4 inches6.58 inches
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Resolution1080 x 2340 pixels1080 x 2408 pixels
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Pixel density403 ppi401 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen, Corning Gorilla Glass 32.5D curved glass screen
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Display features420 nits (typ), Infinity U Display-
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.3 GHz Cortex-A73Dual-core 2.4 GHz Cortex-A76
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CPU(second)quad-core 1.7 GHz Cortex-A53Hexa-core 2.0 GHz Cortex-A55
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ChipsetExynos 9611MediaTek MT6833P Dimensity 810
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GPUMali-G72 MP3Mali-G57 MC2
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Memory RAM4, 6 GB8 GB
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Internal storage64, 128 GB128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max512 GB1 TB
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StorageUFS 2.1-
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OS
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OSAndroid 10, One UI 2.5Android 12, Funtouch 12
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Main camera
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Camera typeTripleDual
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Main camera(wide) , 64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm(wide) , 50 MP, f/1.8 , 26 mm
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(ultrawide) , 8 MP, f/2.2 , 1/4.0" , 1.12 µm(macro) , 2 MP, f/2.4
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(depth) , 5 MP, f/2.2
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Primary camera resolution9280 x 6920 pixels8190 x 6144 pixels
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Primary camera video4K@30fps, 1080p@30fps, gyro-EIS1080p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, 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 camera(wide) , 32 MP, f/2.0 , 26 mm, 1/2.8" , 0.8 µm(wide) , 16 MP, f/2.0
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Selfie camera resolution-4608 x 3456 pixels
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Selfie camera features-Face 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-Go-Yes
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Bluetoothv5.0v5.1
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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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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QZSS-Yes
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Features
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SensorsAccelerometer, 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 capacity6000 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingFast ChargingYes, 18W
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Tests and performance
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Antutu186200 (v8)497466 (v9)
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Cost
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Price280 USD200 USD
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