Ulefone Power Armor 18 vs ZTE Blade A31
Ulefone Power Armor 18
ZTE Blade A31
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800GSM 850, 900, 1800, 1900
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3G networkHSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xHSDPA 850, 900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66, 71LTE frequency band 1, 2, 3, 5, 7, 8, 20, 28, 38
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5G network5G band 1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78, 79 SA/NSA/Sub6-
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HSDPA speed42.2 Mbps21.1 Mbps
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HSUPA speed5.76 Mbps5.76 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, 301 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 announced2022-122021-07
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Status2022-122021-07
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Design
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BuildMetal, polycarbonate, TPUPlastic
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height175.2 mm140 mm
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Width83.4 mm71 mm
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Thickness18.8 mm8.9 mm
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Weight409 g166 g
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WaterproofIP68/IP69K (1.5m and 30 mins)-
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Dust proofIP68/IP69K-
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MIL-STD-810HYes-
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ColorsBlackBlue, Gray
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.58 inches5.45 inches
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Resolution1080 x 2408 pixels720 x 1440 pixels
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Pixel density401 ppi295 ppi
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Display colors1677721616777216
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Display features120Hz-
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.4 GHz Cortex-A78Quad-core 1.6 GHz Cortex-A55
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CPU(second)Hexa-core 2.0 GHz Cortex-A55quad-core 1.2 GHz Cortex-A55
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ChipsetMediaTek MT6877 Dimensity 900Unisoc SC9863A
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GPUMali-G68 MC4IMG8322
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Memory RAM12 GB2 GB
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Internal storage256 GB32 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max2 TB128 GB
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OS
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OSAndroid 12Android 11 Go Edition
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Main camera
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Camera typeTripleSingle
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Main camera(wide) , 108 MP, f/1.9 , 1/1.52" , 0.7 µm8 MP
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(macro) , 5 MP, f/3.0 , 1/5" , 1.12 µm
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119˚ , (ultrawide) , 8 MP, f/2.2
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Primary camera resolution12000 x 9000 pixels3264 x 2448 pixels
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Primary camera video4K@30fps, 1080p@30fps720p@30fps
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Primary camera flashHexa-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 autofocusHDR
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera(wide) , 32 MP, f/2.0 , 73˚ , 1.2 µm2 MP, f/2.8
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Selfie camera interpolated resolution-5 MP
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Selfie camera resolution-1920 x 1080 pixels
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Selfie camera video1080p@30fps480p@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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RadioWireless 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, 802.11ac, 802.11axWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Dual BandYes-
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USBType-C 2.0microUSB 2.0
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USB connectormagnetic connector-
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USB On-The-GoYes-
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Bluetoothv5.0v4.2
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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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GALILEOYes-
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BDSYes-
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NavICYes-
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Features
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SensorsAccelerometer, barometer, compass, fingerprint, gyroscope, proximity, thermometerAccelerometer
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity9600 mAh3000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes, 66W (52% in 30 min)-
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Wireless reverse chargingYes, 5W-
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Fast wireless chargingQi, 15W-
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Talk time 3G39 h-
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Standby time 3G524 h-
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Tests and performance
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Antutu485875 (v9)101300 (v8)
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Geekbench(single-core)781 (v5.2)149 (v5.2)
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Geekbench(multi-core)2845 (v5.2)817 (v5.2)
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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-
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Cost
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Price420 USD100 USD
