Doogee X20 vs Yezz Classic Z51
Doogee X20
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, 1900, 2100-
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HSDPA speed21 Mbps-
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HSUPA speed5.76 Mbps-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced20172015-7
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Status20172015-9
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Design
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SIMDual SIM (Micro-SIM/Nano-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height145.5 mm100.5 mm
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Width71.9 mm50.5 mm
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Thickness8.8 mm17.8 mm
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Weight174 g86 g
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ColorsBlack, Champagne, SilverBlack, 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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Resolution720 x 1280 pixels240 x 320 pixels
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Pixel density294 ppi308 ppi
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Display colors1677721666560
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MultitouchYes-
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A7
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ChipsetMediatek MT6580-
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GPUMali-400 MP2-
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Memory RAM2 GB-
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Internal storage16 GB16 MB
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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 7.0 Nougat-
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Main camera
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Camera typeDual-
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Main camera5 MP, f/2.81.3 MP
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5 MP
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Primary camera resolution2592 x 1944 pixels1280 x 1024 pixels
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Primary camera video720p@30fpsvideo
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Primary camera flashLEDLED flash
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Camera featuresAutofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, exposure compensation, self-timer, scene modeNo
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Selfie camera
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Secondary camera-No
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Selfie camera2 MP
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Selfie camera video480p@30fps MP-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Notifications-Vibration, Polyphonic
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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 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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USBmicroUSB 2.0Yes
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Bluetoothv4.0v3.0
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Bluetooth A2DPYes-
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Bluetooth EDR-Yes
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GPSYes, with A-GPSNo
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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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SensorsAccelerometr, light, proximity-
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2580 mAh800 mAh
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Battery removableRemovable-
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Talk time-5 h
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Standby time-130 h
