Realme C21 vs Ulefone Armor 20WT
Realme C21
Ulefone Armor 20WT
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800, 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, 7, 8, 20, 28, 38, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
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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, Cat4, 150 Mbps download, 51 Mbps uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-032023-03
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Status2021-032023-03
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Design
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BuildGlass front, plastic back, plastic framePolycarbonate, TPU, metal
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height165.2 mm164.8 mm
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Width76.4 mm79.2 mm
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Thickness8.9 mm18.15 mm
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Weight190 g381 g
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Waterproof-IP68/IP69K
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Dust proof-IP68/IP69K
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MIL-STD-810H-Yes
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ColorsBlack, BlueBlack
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Display
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Display typeIPS LCDIPS TFT
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Physical size6.5 inches5.65 inches
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Resolution720 x 1600 pixels1080 x 2160 pixels
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Pixel density270 ppi427 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
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.3 GHz Cortex-A53Dual-core 2.2 GHz Cortex-A76
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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 Helio G99 (MT6789)
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GPUPowerVR GE8320Mali-G57 MC2
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Internal storage32, 64 GB256 GB
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Memory RAM3, 4 GB12 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB2 TB
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StorageeMMC 5.1UFS 2.1
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OS
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OSAndroid 10, Realme UI 1.0 / Android 11, Realme UI 2.0Android 12
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Main camera
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Camera typeTripleSingle
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Main camera(wide) , 13 MP, f/2.2 , 26 mm, 1/3.06" , 1.12 µm50 MP, f/1.8 , 1.0 µm
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(macro) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution2560 x 1920 pixels8190 x 6120 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashLED flashdual-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, 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 µm16 MP, f/2.2 , 1/3.09" , 1.0 µm
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Selfie camera resolution2560 x 1920 pixels4608 x 3456 pixels
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Selfie camera featuresFace unlock, HDR, panoramaFace unlock, HDR, face detection
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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 RadioFM Radio
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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
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WLAN WiFi HotspotYesYes
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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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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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Features
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SensorsAccelerometer, compass, fingerprint, proximityAccelerometer, compass, coulomb counter, fingerprint, geomagnetic, gravity, gyroscope, light, magnetometer, pedometer, proximity, thermometer
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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 mAh10850 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesYes, 33W
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Reverse chargingYes-
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Tests and performance
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Antutu110490 (v8)370000 (v9)
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Geekbench(single-core)174 (v5.2)712 (v5.2)
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Geekbench(multi-core)982 (v5.2)1908 (v5.2)
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Cost
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Price130 USD330 USD
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SAR value
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SAR EU(head)-0.49 W/kg
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SAR EU(body)-1.04 W/kg
