Realme C21 vs Ulefone Note 15
Realme C21
Ulefone Note 15
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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, 41-
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HSDPA speed42.2 Mbps21.1 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 51 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-032023-06
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Status2021-032023-06
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Design
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BuildGlass front, plastic back, plastic framePlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height165.2 mm157.2 mm
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Width76.4 mm75.3 mm
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Thickness8.9 mm8.9 mm
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Weight190 g179 g
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ColorsBlack, BlueBlack, Blue, Purple
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.5 inches6.22 inches
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Resolution720 x 1600 pixels720 x 1600 pixels
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Pixel density270 ppi282 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 32.5D curved glass screen
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.3 GHz Cortex-A53Quad-core 1.3 GHz Cortex-A7
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CPU(second)quad-core 1.8 GHz Cortex-A53
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ChipsetMediaTek Helio G35Mediatek MT6580A/WVP
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GPUPowerVR GE8320Mali-400
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Memory RAM3, 4 GB2 GB
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Internal storage32, 64 GB32 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB64 GB
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StorageeMMC 5.1-
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OS
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OSAndroid 10, Realme UI 1.0 / Android 11, Realme UI 2.0Android 12 Go Edition
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Main camera
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Camera typeTripleDual
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Main camera(wide) , 13 MP, f/2.2 , 26 mm, 1/3.06" , 1.12 µm(wide) , 8 MP
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(macro) , 2 MP, f/2.4(depth) , 2 MP
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(depth) , 2 MP, f/2.4
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Primary camera resolution2560 x 1920 pixels3260 x 2144 pixels
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Primary camera video1080p@30fps720p@30fps
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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, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-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 µm5 MP
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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@30fps720p@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 RadioStereo FM radio, RDS, recording
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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USBmicroUSB 2.0Type-C 2.0
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USB On-The-GoYes-
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Bluetoothv5.0v4.0
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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NFCNoNo
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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BDSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, proximityAccelerometer, 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 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesNo
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Reverse chargingYes-
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Tests and performance
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Antutu110490 (v8)41300 (v8)
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Geekbench(single-core)174 (v5.2)67 (v5.2)
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Geekbench(multi-core)982 (v5.2)224 (v5.2)
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Cost
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Price130 USD90 USD
