Realme X3 vs vivo V21s
Realme X3
vivo V21s
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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, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 3, 5, 8, 38, 39, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66
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5G network-5G band 1, 28, 40, 41, 77, 78, 79 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-EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE-ALTE-A, Cat12, 1200 Mbps download, 150 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-062022-11
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Status2020-062022-11
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Design
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BuildGlass front (Gorilla Glass 5), glass back, plastic framePlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height163.8 mm159.7 mm
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Width75.8 mm73.9 mm
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Thickness8.9 mm7.3 mm
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Weight202 g176 / 177 g
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ColorsBlue, WhiteBlue, Gradient
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Display
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Display typeIPS LCD capacitive touchscreenAMOLED
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Physical size6.6 inches6.44 inches
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Resolution1080 x 2400 pixels1080 x 2404 pixels
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Pixel density399 ppi409 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 5Scratch resistant
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Display features120Hz refresh rate-
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.96 GHz Kryo 485Dual-core 2.4 GHz Cortex-A76
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CPU(second)Triple-core 2.42 GHz Kryo 485Hexa-core 2.0 GHz Cortex-A55
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CPU(third)Quad-core 1.78 GHz Kryo 485
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ChipsetQualcomm SM8150 Snapdragon 855+MediaTek MT6853 Dimensity 800U
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GPUAdreno 640Mali-G57 MC3
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Memory RAM6, 8 GB8 GB
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Internal storage128 GB128 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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StorageUFS 3.0UFS 2.2
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OS
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OSRealme UI (Android 10)Android 12, Funtouch 12
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Main camera
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Camera typeQuadTriple
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Main camera64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm64 MP, f/1.8 , 26 mm, 0.7 µm, (wide)
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12 MP, f/2.5 , 51 mm, 2x optical zoom8 MP, f/2.2 , 16 mm, (ultrawide) , 120˚ , 1/4.0" , 1.12 µm
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8 MP, f/2.3 , 16 mm, 1/4.0" , 1.12 µm2 MP, f/2.4 , (macro)
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2 MP, f/2.4
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Primary camera resolution8000 x 6000 pixels9280 x 6920 pixels
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Primary camera video4K@30/60fps, 1080p@30/60fps, 720p@960fps; gyro-EIS4K@30fps, 1080p@30/60fps
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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, 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 typeDualSingle
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Selfie camera16 MP, f/2.0 , 26 mm, 1/3.06" , 1.0 µm44 MP, f/2.0 , 150 mm, (wide)
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8 MP, f/2.2 , 1/4.0" , 1.12 µm
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Selfie camera resolution4640 x 3456 pixels-
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Selfie camera features-Autofocus, face unlock, HDR, optical image stabilization
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Selfie camera video1080p@30fps, gyro-EIS4K@30fps, 1080p@30fps
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioNoNo
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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 HotspotYes-
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WLAN WiFi DirectYes-
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Wi-Fi displayYes-
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WLAN WiFi Dual BandYesYes
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USBType-C 1.0 reversible connectorType-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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NFC-Yes
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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, 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 capacity4200 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingSuperVOOC Flash Charge (100% in 55 min)Yes, 33W (63% in 30 min)
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Cost
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Price460 USD360 USD
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Tests and performance
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Antutu-368414 (v9)
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Geekbench(single-core)-363 (v5.2)
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Geekbench(multi-core)-1353 (v5.2)