Realme C21 vs Xiaomi 11i
Realme C21
Xiaomi 11i
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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, 1900, 2100
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4G networkLTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41LTE frequency band 1, 3, 5, 8, 40, 41
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5G network-5G band 1, 3, 5, 8, 28, 40, 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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LTE speedLTE, Cat4, 150 Mbps download, 51 Mbps uploadLTE-A (CA)
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GPRSYesYes
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EDGEYesClass 8
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Availability
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Oficially announced2021-032022-01
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Status2021-032022-01
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Design
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BuildGlass front, plastic back, plastic frameGlass front (Gorilla Glass 5), glass back
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SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height165.2 mm163.7 mm
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Width76.4 mm76.2 mm
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Thickness8.9 mm8.3 mm
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Weight190 g207 g
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Splash resistant-IP53
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Dust proof-IP53
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ColorsBlack, BlueBlack, Green, Pearl, Purple
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Display
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Display typeIPS LCDAMOLED
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Physical size6.5 inches6.67 inches
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Resolution720 x 1600 pixels1080 x 2400 pixels
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Pixel density270 ppi395 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3Scratch resistant, Corning Gorilla Glass 5
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Display features-120Hz, HDR10, 700 nits, 1200 nits (peak)
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.3 GHz Cortex-A53Dual-core 2.5 GHz Cortex-A78
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CPU(second)quad-core 1.8 GHz Cortex-A53Hexa-core 2.0 GHz Cortex-A55
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ChipsetMediaTek Helio G35MediaTek Dimensity 920 5G
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GPUPowerVR GE8320Mali-G68 MC4
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Memory RAM3, 4 GB6, 8 GB
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Internal storage32, 64 GB128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB1 TB
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StorageeMMC 5.1UFS 2.2
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OS
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OSAndroid 10, Realme UI 1.0 / Android 11, Realme UI 2.0Android 11, MIUI 12.5 E
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Main camera
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Camera typeTripleTriple
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Main camera(wide) , 13 MP, f/2.2 , 26 mm, 1/3.06" , 1.12 µm(wide) , 108 MP, f/1.9 , 26 mm, 1/1.52" , 0.7 µm
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(macro) , 2 MP, f/2.4(ultrawide) , 8 MP, f/2.2 , 120˚ , 1.0 µm
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(depth) , 2 MP, f/2.4(macro) , 2 MP, f/2.4
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Primary camera resolution2560 x 1920 pixels12000 x 9000 pixels
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Primary camera video1080p@30fps4K@30fps, 1080p@30/60/120fps, 720p@960fps
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Primary camera flashLED flashLED 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, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, night mode
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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) , 16 MP, f/2.5 , 1.0 µm
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Selfie camera resolution2560 x 1920 pixels-
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Selfie camera featuresFace unlock, HDR, panorama-
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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, with stereo speakers
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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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Bluetoothv5.0v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Infrared-Yes
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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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BDSYesYes
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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 mAh5160 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesYes, 67W (50% in 13 min)
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Reverse chargingYes-
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Tests and performance
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Antutu110490 (v8)744877 (v9)
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Geekbench(single-core)174 (v5.2)783 (v5.2)
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Geekbench(multi-core)982 (v5.2)2551 (v5.2)
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Cost
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Price130 USD370 USD
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