Google Pixel 4a 5G vs vivo X21i
Google Pixel 4a 5G
vivo X21i
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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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, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 38, 39, 40, 41, 42, 46, 48, 66, 71LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
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5G network5G band 1, 2, 3, 5, 7, 8, 12, 28, 41, 66, 71, 77, 78 Sub6, mmWave (market dependent)-
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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HSPA speed-HSPA
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EV-DO speedEV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload-
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LTE speedLTE-A (CA)LTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-092018-5
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Status2020-112018-5
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Design
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BuildGlass front (Gorilla Glass 3), plastic back, plastic frameAluminium alloy, glass
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SIMNano-SIM and/or eSIMHybrid Dual SIM (Nano-SIM, dual stand-by)
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Height153.9 mm154.4 mm
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Width74 mm75 mm
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Thickness8.2 mm7 mm
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Weight168 g159 g
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ColorsBlackAurora White, Black, Ruby Red
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Display
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Display typeOLEDSuper AMOLED capacitive touchscreen
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Physical size6.2 inches6.28 inches
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Resolution1080 x 2340 pixels1080 x 2280 pixels
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Pixel density413 ppi402 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 3-
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Multitouch-Yes
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Display featuresAlways-on display, HDR-
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.4 GHz Kryo 475 PrimeQuad-core 2 GHz Cortex-A73
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CPU(second)Single-core 2.2 GHz Kryo 475 Goldquad-core 2 GHz Cortex-A53
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CPU(third)Hexa-core 1.8 GHz Kryo 475 Silver
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ChipsetQualcomm SDM765 Snapdragon 765GMediatek MT6771 Helio P60
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GPUAdreno 620Mali-G72 MP3
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Memory RAM6 GB4, 6 GB
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Internal storage128 GB64, 128 GB
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Memory cardNomicroSD(uses second SIM slot)
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Memory card max-256 GB
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StorageUFS 2.1-
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OS
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OSAndroid 11Android 8.1 (Oreo)
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Main camera
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Camera typeDualDual
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Main camera(wide) , 12 MP, f/1.7 , 27 mm, 1/2.55" , 1.4 µm12 MP, f/1.8 , 1/2.5" , 1.4 µm
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(ultrawide) , 16 MP, f/2.2 , 107˚ , 1.0 µm5 MP, f/2.4
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Primary camera resolution4032 x 3024 pixels4032 x 3024 pixels
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Primary camera video4K@30/60fps, 1080p@30/60/120/240fps; gyro-EIS1080p@30fps
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Primary camera Autofocus-dual pixel phase detection autofocus
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, 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, phase detection autofocusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera(wide) , 8 MP, f/2.0 , 24 mm, 1/4.0" , 1.12 µm24 MP
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Selfie camera resolution3264 x 2448 pixels5632 x 4224 pixels
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Selfie camera featuresFace unlock, HDR-
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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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Notifications-Vibration; MP3, WAV ringtones
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EarpieceYesYes
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Multimedia
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RadioNo-
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Radio FM-FM 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, 802.11ac
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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 3.1microUSB 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX HD-
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYes-
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BDSYes-
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QZSSYes-
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging Push Email-Push Email
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SensorsAccelerometer, barometer, compass, fingerprint, gyroscope, proximityFingerprint (rear-mounted), accelerometer, compass, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity3885 mAh3425 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingPower Delivery 2.0Yes
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Tests and performance
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Antutu330500 (v8)-
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Geekbench(single-core)610 (v5.2)-
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Geekbench(multi-core)1553 (v5.2)-
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SAR value
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SAR(head)1.2 W/kg-
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SAR(body)1.2 W/kg-
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SAR EU(head)0.94 W/kg-
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SAR EU(body)1.4 W/kg-
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Cost
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Price500 USD-