Doogee S51 vs Ulefone Armor X8i
Doogee S51
Ulefone Armor X8i
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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
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HSDPA speed-21.1 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 speedLTE, Cat7, 301 Mbps download, 102 Mbps uploadLTE, Cat7, 300 Mbps download, 150 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-092021-09
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Status2022-092021-09
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Design
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BuildMetal, rubber, polycarbonate-
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SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height167.4 mm160.3 mm
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Width81.4 mm79 mm
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Thickness14.6 mm13.8 mm
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Weight266 g256 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-810G-Yes
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MIL-STD-810HYes-
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ColorsBlack, Green, OrangeBlack, Orange, Red
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.0 inches5.7 inches
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Resolution720 x 1440 pixels720 x 1440 pixels
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Pixel density268 ppi282 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Corning Gorilla Glass-
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Hardware
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CPU-Octa-core
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CPUOcta-core 2.0 GHz Cortex-A53Quad-core 1.8 GHz Cortex-A53
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CPU(second)quad-core 1.5 GHz Cortex-A53
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ChipsetMediaTek Helio G25MediaTek Helio A25
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GPUPowerVR GE8320PowerVR GE8320
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Memory RAM4 GB3 GB
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Internal storage64 GB32 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max512 GB256 GB
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OS
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OSAndroid 12Android 11
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Main camera
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Camera typeDualTriple
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Main camera(wide) , 20 MP, f/1.8 , 90˚ , 1/2.9" , 1.25 µm(wide) , 13 MP, f/2.2
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(depth) , 2 MP, f/2.4 , 1/5" , 1.75 µm(depth) , 2 MP
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(depth) , 2 MP
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Primary camera resolution5184 x 3840 pixels4096 x 3072 pixels
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Primary camera video1080p1080p@30fps
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Primary camera flashquad-LED flashdual-LED 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 autofocusHDR, Panorama
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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˚8 MP, f/2.4
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Selfie camera resolution3264 x 2448 pixels-
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Selfie camera featuresFace unlock-
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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 RadioFM 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 Direct-Yes
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WLAN WiFi Dual BandYes-
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USBType-C 2.0Type-C 2.0
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USB On-The-GoYes-
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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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, compass, fingerprint, 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 mAh5080 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesNo
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Talk time 2G-14.5 h
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Talk time 3G24 h-
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Talk time 4G24 h9 h
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Standby time 2G-308 h
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Standby time 3G360 h-
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Standby time 4G360 h510 h
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Tests and performance
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Antutu102000 (v8)91188 (v8)
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Geekbench(single-core)166 (v5.2)126 (v5.2)
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Geekbench(multi-core)968 (v5.2)447 (v5.2)
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Cost
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Price155 USD200 USD