Ulefone Armor 21 vs Xiaomi Redmi 9i Sport
Ulefone Armor 21
Xiaomi Redmi 9i Sport
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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, 1700(AWS), 1900, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 28, 34, 38, 39, 40, 41, 66LTE frequency band 1, 3, 5, 8, 40, 41
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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EV-DO speedEV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload-
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LTE speedLTELTE, Cat4, 151 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 announced2023-052021-09
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Status2023-052021-09
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Design
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BuildPolycarbonate, TPU, metalPlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height176 mm164.9 mm
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Width81.6 mm77.1 mm
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Thickness18.1 mm9 mm
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Weight400 g194 g
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WaterproofIP68/IP69K (1.5m and 30 mins)Water-repellent coating
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Dust proofIP68/IP69K-
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MIL-STD-810HYes-
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ColorsBlackBlack, Blue, Green
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.58 inches6.53 inches
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Resolution1080 x 2408 pixels720 x 1600 pixels
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Pixel density401 ppi269 ppi
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Display colors1677721616777216
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ProtectionScratch resistantScratch resistant, 2.5D curved glass screen
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Display features-400 nits (typ)
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.2 GHz Cortex-A76Quad-core 2.0 GHz Cortex-A53
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CPU(second)Hexa-core 2.0 GHz Cortex-A55quad-core 1.5 GHz Cortex-A53
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ChipsetMediaTek MT8781 Helio G99MediaTek Helio G25
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GPUMali-G57 MC2PowerVR GE8320
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Memory RAM8 GB5 GB
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Internal storage256 GB64, 128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max2 TB512 GB
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Storage-eMMC 5.1
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OS
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OSAndroid 13Android 10, MIUI 12
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Main camera
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Camera typeDualSingle
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Main camera(wide) , 64 MP, f/1.9 , 0.8 µm(wide) , 13 MP, f/2.2 , 1.0 µm, 28 mm
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(night vision) , 24 MP, f/1.8
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Primary camera resolution9280 x 6180 pixels4160 x 3120 pixels
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Primary camera video-1080p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, 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 autofocusAutofocus, 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
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera(wide) , 16 MP, f/2.2 , 1.0 µm(wide) , 5 MP, f/2.2 , 1.12 µm
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Selfie camera resolution4608 x 3456 pixels1600 x 1200 pixels
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Selfie camera featuresFace unlock, HDR, face detectionFace unlock, HDR
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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
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EarpieceYesYes
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Multimedia
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RadioStereo FM radio, RDS, recordingFM Radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual BandYes-
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USBType-C 2.0microUSB 2.0
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USB On-The-GoYesYes
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Bluetoothv5.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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InfraredYes-
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NFCYesNo
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYes-
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BDSYesYes
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Features
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SensorsAccelerometer, barometer, compass, fingerprint, gyroscope, 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 capacity9600 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes, 33WYes, 10W
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Tests and performance
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Antutu370000 (v9)102000 (v9)
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Geekbench(single-core)567 (v5.2)150 (v5.2)
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Geekbench(multi-core)1857 (v5.2)887 (v5.2)
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Cost
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Price240 USD120 USD
