Doogee S51 vs Ulefone Armor 21
Doogee S51
Ulefone Armor 21
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 28, 34, 38, 39, 40, 41, 66
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EV-DO speedEV-DO Rev.A 3.1 Mbps download, 1.8 Mbps uploadEV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE, Cat7, 301 Mbps download, 102 Mbps uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-092023-05
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Status2022-092023-05
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Design
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BuildMetal, rubber, polycarbonatePolycarbonate, TPU, metal
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height167.4 mm176 mm
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Width81.4 mm81.6 mm
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Thickness14.6 mm18.1 mm
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Weight266 g400 g
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WaterproofIP68/IP69KIP68/IP69K (1.5m and 30 mins)
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Dust proofIP68/IP69KIP68/IP69K
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MIL-STD-810HYesYes
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ColorsBlack, Green, OrangeBlack
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.0 inches6.58 inches
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Resolution720 x 1440 pixels1080 x 2408 pixels
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Pixel density268 ppi401 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Corning Gorilla GlassScratch resistant
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Hardware
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CPU-Octa-core
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CPUOcta-core 2.0 GHz Cortex-A53Dual-core 2.2 GHz Cortex-A76
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CPU(second)Hexa-core 2.0 GHz Cortex-A55
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ChipsetMediaTek Helio G25MediaTek MT8781 Helio G99
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GPUPowerVR GE8320Mali-G57 MC2
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Memory RAM4 GB8 GB
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Internal storage64 GB256 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max512 GB2 TB
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OS
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OSAndroid 12Android 13
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Main camera
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Camera typeDualDual
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Main camera(wide) , 20 MP, f/1.8 , 90˚ , 1/2.9" , 1.25 µm(wide) , 64 MP, f/1.9 , 0.8 µm
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(depth) , 2 MP, f/2.4 , 1/5" , 1.75 µm(night vision) , 24 MP, f/1.8
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Primary camera resolution5184 x 3840 pixels9280 x 6180 pixels
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Primary camera video1080p-
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Primary camera flashquad-LED 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, 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) , 8 MP, f/2.0 , 80˚(wide) , 16 MP, f/2.2 , 1.0 µm
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Selfie camera resolution3264 x 2448 pixels4608 x 3456 pixels
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Selfie camera featuresFace unlockFace unlock, HDR, face detection
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Selfie camera video1080p1080p@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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-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 BandYesYes
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USBType-C 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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NFCYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYesYes
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BDSYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, geomagnetic, gyroscope, light, proximityAccelerometer, barometer, 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-IonLi-Po
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Battery capacity5180 mAh9600 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesYes, 33W
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Talk time 3G24 h-
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Talk time 4G24 h-
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Standby time 3G360 h-
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Standby time 4G360 h-
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Tests and performance
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Antutu102000 (v8)370000 (v9)
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Geekbench(single-core)166 (v5.2)567 (v5.2)
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Geekbench(multi-core)968 (v5.2)1857 (v5.2)
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Cost
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Price155 USD240 USD
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