Xiaomi Black Shark 4S vs vivo Y21a
Xiaomi Black Shark 4S
vivo Y21a
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMAGSM 850, 900, 1800, 1900
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3G networkHSDPA 800, 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, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41LTE frequency band 1, 3, 5, 8, 38, 40, 41
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5G network5G band 1, 3, 8, 28, 41, 77, 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 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-ALTE, 301 Mbps download, 151 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-102022-01
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Status2021-102022-01
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Design
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BuildAluminium alloy, glassGlass 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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Height163.7 mm164.3 mm
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Width76.2 mm76.1 mm
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Thickness9.9 mm8 mm
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Weight210 g182 g
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Build featuresPhysical pop-up gaming triggers-
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ColorsBlack, WhiteBlue, Diamond Glow
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Display
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Display typeSuper AMOLEDIPS 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 colors1677721616777216
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ProtectionScratch resistant-
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Display featuresAlways-on display, 144Hz, HDR10+, 1300 nits (peak)-
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Hardware
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CPUOcta-core-
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CPUSingle-core 3.2 GHz Kryo 585Octa-core 2.0 GHz Cortex-A53
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CPU(second)Triple-core 2.42 GHz Kryo 585
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CPU(third)Quad-core 1.80 GHz Kryo 585
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ChipsetQualcomm SM8250-AC Snapdragon 870 5GMediatek MT6762 Helio P22
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GPUAdreno 650Mali-G52 MC2
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Memory RAM8, 12 GB4 GB
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Internal storage128, 256 GB64 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 11, Joy UI 12.8Android 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 , 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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(macro) , 5 MP, f/2.4
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Primary camera resolution8000 x 6000 pixels4160 x 3120 pixels
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Primary camera video4K@30/60fps, 1080p@30/60/240fps, 1080p@960fps1080p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, optical 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 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) , 20 MP, f/2.0 , 0.8 µm(wide) , 8 MP, f/1.8
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Selfie camera resolution5184 x 3880 pixels3264 x 2448 pixels
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Selfie camera featuresHDRFace 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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LoudspeakerYes, with stereo speakersYes
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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-Go-Yes
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Bluetoothv5.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX HD, aptX Adaptive-
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NFCYesNo
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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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Features
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SensorsAccelerometer, barometer, 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 capacity4500 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge, 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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Antutu735000 (v9)90180 (v8)
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Geekbench(single-core)1011 (v5.2)363 (v5.2)
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Geekbench(multi-core)3326 (v5.2)1353 (v5.2)
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Cost
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Price420 USD190 USD
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