Oppo Reno 4 Z 5G vs vivo Y21a
Oppo Reno 4 Z 5G
vivo Y21a
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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, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66LTE frequency band 1, 3, 5, 8, 38, 40, 41
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5G network5G 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA-
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed11.5 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, 301 Mbps download, 151 Mbps upload
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5G speed3.5 Gbps download-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-092022-01
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Status2020-102022-01
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Design
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BuildGlass, aluminium alloyGlass 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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Height163.8 mm164.3 mm
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Width75.5 mm76.1 mm
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Thickness8.1 mm8 mm
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Weight184 g182 g
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ColorsBlack, WhiteBlue, Diamond Glow
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Display
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Display typeLTPS IPS LCDIPS LCD
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Physical size6.57 inches6.51 inches
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Resolution1080 x 2400 pixels720 x 1600 pixels
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Pixel density401 ppi270 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 3, LTPS (Low Temperature PolySilicon)-
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Display features120Hz, 480 nits (typ)-
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.0 GHz Cortex-A76Octa-core 2.0 GHz Cortex-A53
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CPU(second)quad-core 2.0 GHz Cortex-A55
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ChipsetMediaTek MT6873V Dimensity 800 5GMediatek MT6762 Helio P22
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GPUMali-G57 MC4Mali-G52 MC2
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Memory RAM8 GB4 GB
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Internal storage128 GB64 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-1 TB
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StorageUFS 2.1-
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OS
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OSAndroid 10, ColorOS 7.2Android 11, Funtouch 11.1
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Main camera
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Camera typeQuadDual
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Main camera(wide) , 48 MP, f/1.7 , 26 mm, 1/2.0" , 0.8 µm(wide) , 13 MP, f/2.2
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(ultrawide) , 8 MP, f/2.2 , 119˚ , 1/4.0" , 1.12 µm(macro) , 2 MP, f/2.4
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(macro) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution8000 x 6000 pixels4160 x 3120 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, 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 typeDualSingle
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Selfie camera(wide) , 16 MP, f/2.0 , 26 mm, 1/3.06" , 1.0 µm(wide) , 8 MP, f/1.8
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(depth) , 2 MP, f/2.4
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Selfie camera resolution4608 x 3456 pixels3264 x 2448 pixels
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Selfie camera featuresFace unlock, HDRFace 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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RadioNoFM Radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-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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Bluetoothv5.1v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX HD-
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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, 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 capacity4000 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingVOOC 3.0Quick Charge, 18W
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Reverse charging-Yes
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Tests and performance
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Antutu325776 (v8)90180 (v8)
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Geekbench(single-core)-363 (v5.2)
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Geekbench(multi-core)-1353 (v5.2)
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Cost
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Price450 USD190 USD
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