vivo Y21a vs vivo iQOO Z7
vivo Y21a
vivo iQOO Z7
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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, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1, 3, 5, 8, 38, 40, 41LTE frequency band 1, 3, 5, 8, 38, 40, 41
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5G network-5G band 1, 3, 8, 28, 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, 301 Mbps download, 151 Mbps uploadLTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-012023-03
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Status2022-012023-03
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Design
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BuildGlass front, plastic frame, plastic backPolycarbonate
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SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height164.3 mm158.9 mm
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Width76.1 mm73.5 mm
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Thickness8 mm7.8 mm
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Weight182 g173 g
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Waterproof-IP54
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Dust proof-IP54
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ColorsBlue, Diamond GlowBlue, Pacific Night
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Display
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Display typeIPS LCDAMOLED
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Physical size6.51 inches6.38 inches
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Resolution720 x 1600 pixels1080 x 2400 pixels
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Pixel density270 ppi413 ppi
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Display colors1677721616777216
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Display features-90Hz, HDR10+, 1300 nits (peak)
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Hardware
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CPU-Octa-core
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CPUOcta-core 2.0 GHz Cortex-A53Dual-core 2.5 GHz Cortex-A78
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CPU(second)Hexa-core 2.0 GHz Cortex-A55
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ChipsetMediatek MT6762 Helio P22MediaTek Dimensity 920
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GPUMali-G52 MC2Mali-G68 MC4
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Memory RAM4 GB6, 8 GB
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Internal storage64 GB128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max1 TB-
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Storage-UFS 2.2
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OS
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OSAndroid 11, Funtouch 11.1Android 13, Funtouch 13
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Main camera
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Camera typeDualDual
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Main camera(wide) , 13 MP, f/2.2(wide) , 64 MP, f/2.2 , 1/1.97" , 0.7 µm, 10x digital zoom
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(macro) , 2 MP, f/2.4(depth) , 2 MP, f/2.4
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Primary camera resolution4160 x 3120 pixels9280 x 6920 pixels
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Primary camera video1080p@30fps4K@30fps, 1080p@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, macro-mode, phase detection autofocusAutofocus, 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, 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/1.8(wide) , 16 MP, f/2.0
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Selfie camera resolution3264 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 RadioUnspecified
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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, 802.11ax
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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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Bluetoothv5.0v5.2
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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, proximityAccelerometer, compass, fingerprint, gyroscope, 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 capacity5000 mAh4500 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge, 18WYes, 44W (50% in 25 min)
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Reverse chargingYes-
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Tests and performance
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Antutu90180 (v8)485000 (v9)
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Geekbench(single-core)363 (v5.2)908 (v5.2)
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Geekbench(multi-core)1353 (v5.2)2270 (v5.2)
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Cost
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Price190 USD230 USD
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SAR value
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SAR(head)-0.84 W/kg
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SAR(body)-1.15 W/kg
