Ulefone Armor 2S vs Yezz Classic Z51
Ulefone Armor 2S
Yezz Classic Z51
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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, 1900, 2100-
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4G networkLTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 18(800), 38(2600), 39(1900); LTE-TDD 1900, 2300, 2500, 2600-
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LTE speedLTE, Cat4 150 Mbps download, 51 Mbps upload-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2017-122015-7
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Status2017-122015-9
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Design
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BuildMetal, plastic-
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height159 mm100.5 mm
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Width78.3 mm50.5 mm
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Thickness14.5 mm17.8 mm
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Weight270 g86 g
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WaterproofYes, IP68-
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Dust proofYes, IP68-
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ColorsGold, Gray, Green, RedBlack, White
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Display
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Display typeIPS capacitive touchscreenTFT
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Physical size5 inches1.3 inches
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Resolution1080 x 1920 pixels240 x 320 pixels
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Pixel density441 ppi308 ppi
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Display colors1677721666560
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ProtectionScratch resistant, Corning Gorilla Glass 3, Oleophobic(lipophobic) coating-
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MultitouchYes-
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Hardware
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CPUQuad-core 1.5 GHz Cortex-A53
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ChipsetMediatek MT6737T-
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GPUMali-T720 MP2-
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Internal storage16 GB16 MB
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Memory RAM2 GB-
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max256 GB32 GB
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OS
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OSAndroid OS, v7.0 Nougat-
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Main camera
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Main camera13 MP, f/2.0 , 1.127 µm1.3 MP
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Primary camera resolution4160 x 3120 pixels1280 x 1024 pixels
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Primary camera video1080p@30fpsvideo
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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-modeNo
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Selfie camera
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Secondary camera-No
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Selfie camera5 MP, f/2.0
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Selfie camera resolution2560 x 1920 pixels-
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Selfie camera video720p@30fps-
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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Notifications-Vibration, Polyphonic
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Headphone adapterYes-
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Multimedia
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Radio FMFM radioStereo FM radio; built in antenna
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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USBType-C reversible connectorYes
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USB On-The-GoYes-
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Bluetoothv4.1v3.0
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Bluetooth A2DPYes-
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Bluetooth EDR-Yes
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NFCYes-
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GPSYes, with A-GPSNo
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GLONASSYes-
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Features
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Messaging SMS-SMS
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WAP-WAP 2.0/xHTML
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Java-No
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SensorsAccelerometer, compass, fingerprint, gyroscope, light, proximity-
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity4700 mAh800 mAh
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Battery removableNon-removable-
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Fast battery chargingMediaTek Pump Express Plus 2.0-
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Talk time-5 h
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Talk time 2G20 h-
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Talk time 3G20 h-
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Standby time-130 h
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Standby time 2G640 h-
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Standby time 3G640 h-