Realme C21Y vs vivo S18
Realme C21Y
vivo S18
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 850, 900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 3, 5, 8, 38, 40, 41LTE frequency band 1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41
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5G network-5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps11.52 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, 150 Mbps download, 51 Mbps uploadLTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-062023-12
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Status2021-072023-12
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Design
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BuildGlass front, plastic back, plastic frameGlass front, plastic frame
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height164.5 mm164.4 mm
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Width76 mm75.1 mm
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Thickness9.1 mm7.5 mm
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Weight200 g185.8 g
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Waterproof-IP54
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Dust proof-IP54
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ColorsBlack, BlueBlack, Blue/Green, Silver
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Display
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Display typeIPS LCDAMOLED
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Physical size6.5 inches6.78 inches
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Resolution720 x 1600 pixels1260 x 2800 pixels
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Pixel density270 ppi453 ppi
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Display colors167772161073741824
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Protection-Scratch resistant, 3D curved glass screen
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Display features-120Hz, 2800 nits (peak)
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 1.8 GHz Cortex-A75Single-core 2.63 GHz Cortex-A715
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CPU(second)Hexa-core 1.8 GHz Cortex-A55Triple-core 2.4 GHz Cortex-A715
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CPU(third)Quad-core 1.8 GHz Cortex-A510
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ChipsetUnisoc T610Qualcomm Snapdragon 7 Gen 3
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GPUMali-G52Adreno 720
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Memory RAM4 GB12, 16 GB
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Internal storage64 GB256, 512 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max256 GB-
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StorageeMMC 5.1UFS 2.2
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OS
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OSAndroid 10, Realme UIAndroid 14, OriginOS 4
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Main camera
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Camera typeDualDual
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Main camera(wide) , 13 MP, f/2.2 , 26 mm, 1/3.06" , 1.12 µm(wide) , 50 MP, f/1.9 , 1/1.55" , 1.0 µm
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(macro) , 2 MP, f/2.4(ultrawide) , 8 MP, f/2.2
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(depth) , 2 MP, f/2.4
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Primary camera resolution-8120 x 6180 pixels
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Primary camera video1080p@30fps4K@30fps, 1080p@30fps
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Primary camera flashLED flashRing-LED flash
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Camera featuresAutofocus, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocusAutofocus, continuous shooting, digital zoom, optical 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) , 5 MP, f/2.2 , 1/5.0" , 1.12 µm(wide) , 50 MP, f/2.0 , 22 mm
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Selfie camera resolution-8192 x 6144 pixels
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Selfie camera features-Face unlock, HDR, face detection, autofocus
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Selfie camera video1080p@30fps1080p@30fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioFM RadioNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-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 Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v5.4
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptX-aptX HD, aptX Adaptive, aptX Lossless
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NFCNoYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEO-Yes
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BDSYesYes
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QZSS-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, proximityAccelerometer, color spectrum, 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-Ion
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Battery capacity5000 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesSuperVOOC, 80W
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Reverse chargingYesYes
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Talk time 4G-20 h
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Tests and performance
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Antutu196316 (v9)775000 (v10)
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Geekbench(single-core)378 (v5.2)1216 (v5.2)
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Geekbench(multi-core)1298 (v5.2)3549 (v5.2)
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Cost
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Price160 USD330 USD
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