Realme C21 vs Ulefone Power Armor X11
Realme C21
Ulefone Power Armor X11
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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, 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
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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 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 frame-
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height165.2 mm158.2 mm
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Width76.4 mm76.7 mm
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Thickness8.9 mm19.3 mm
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Weight190 g330 g
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Waterproof-IP68/IP69K (1.5m and 30 mins)
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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 LCD
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Physical size6.5 inches5.45 inches
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Resolution720 x 1600 pixels720 x 1440 pixels
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Pixel density270 ppi295 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3-
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.3 GHz Cortex-A53Quad-core 2.0 GHz Cortex-A53
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CPU(second)quad-core 1.8 GHz Cortex-A53
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ChipsetMediaTek Helio G35Mediatek MT6761 Helio A22
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GPUPowerVR GE8320PowerVR GE8320
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Memory RAM3, 4 GB4 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 GB-
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StorageeMMC 5.1eMMC 5.1
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OS
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OSAndroid 10, Realme UI 1.0 / Android 11, Realme UI 2.0Android 13
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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) , 16 MP, f/1.8 , 1.12 µm
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(macro) , 2 MP, f/2.4(depth) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution2560 x 1920 pixels4608 x 3456 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashLED flashquad-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
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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, f/2.2
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Selfie camera resolution2560 x 1920 pixels2560 x 1920 pixels
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Selfie camera featuresFace unlock, HDR, panoramaFace unlock
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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 dual speakers
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EarpieceYesYes
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Multimedia
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RadioFM RadioWireless FM radio, RDS, recording
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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 HotspotYes-
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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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Bluetoothv5.0v5.0
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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, 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 mAh8150 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesYes, 10W
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Reverse chargingYes-
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Talk time 4G-44 h
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Standby time 4G-444 h
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Tests and performance
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Antutu110490 (v8)101328 (v9)
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Geekbench(single-core)174 (v5.2)164 (v5.2)
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Geekbench(multi-core)982 (v5.2)635 (v5.2)
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Cost
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Price130 USD155 USD
