Ulefone Armor X3 vs vivo Y21s
Ulefone Armor X3
vivo Y21s
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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 900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G network-LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41, 66; 1, 3, 5, 8, 40
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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EV-DO speed-EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speed-LTE, 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 announced2019-72021-09
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Status2019-72021-09
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Design
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BuildMetal, polycarbonate, thermoplastic polyurethanePlastic
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SIMDual SIM (Nano-SIM/Nano-SIM(microSD), dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height158 mm164.3 mm
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Width77.5 mm76.1 mm
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Thickness13.85 mm8 mm
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Weight235 g182 g
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WaterproofYes, IP68, IP69K-
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Dust proofYes, IP68, IP69K-
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MIL-STD-810GYes-
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ColorsBlack, Red, SilverBlue, White
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Display
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Display typeIPS capacitive touchscreenIPS LCD
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Physical size5.5 inches6.51 inches
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Resolution720 x 1440 pixels720 x 1600 pixels
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Pixel density293 ppi270 ppi
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Display colors1677721616777216
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MultitouchYes-
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Dual-core 2.0 GHz Cortex-A75
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CPU(second)Hexa-core 1.8 GHz Cortex-A55
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ChipsetMediatek MT6580Mediatek MT6769V/CU Helio G80
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GPUMali-400 MP2Mali-G52 MC2
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Memory RAM2 GB4 GB
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Internal storage32 GB128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max128 GB1 TB
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OS
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OSAndroid 9.0 PieAndroid 11, Funtouch 11.1
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Main camera
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Camera typeDualTriple
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Main camera8 MP, f/1.850 MP, f/1.8 , (wide) , 24 mm
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2 MP2 MP, (macro) , f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution3264 x 2448 pixels-
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Primary camera video720p@30fps1080p@30fps
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Primary camera flashdual-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-modeAutofocus, continuous shooting, digital zoom, digital image stabilization, 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 type-Single
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Selfie camera5 MP, f/2.08 MP, f/2.0 , (wide)
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Selfie camera resolution2560 x 1920 pixels3264 x 2448 pixels
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Selfie camera video480p@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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RadioFM RadioFM Radio
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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 HotspotYesYes
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WLAN WiFi DirectYesYes
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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-Go-Yes
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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFC-Yes (market dependent)
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GALILEO-Yes
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BDS-Yes
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Features
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SensorsAccelerometer, compass, 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-PoLi-Po
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Battery capacity5500 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Quick Charge, 18W
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Reverse charging-Yes
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Talk time 2G25 h-
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Talk time 3G25 h-
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Standby time 2G440 h-
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Standby time 3G440 h-
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Cost
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Price100 USD170 USD
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Tests and performance
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Antutu-205000 (v8)
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Geekbench(single-core)-363 (v5.2)
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Geekbench(multi-core)-1353 (v5.2)
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SAR value
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SAR(head)-0.83 W/kg
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SAR(body)-1.09 W/kg
