TP-LINK Neffos X1 Max vs Yezz Billy 4
TP-LINK Neffos X1 Max
Yezz Billy 4
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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, 2100HSDPA 850, 1900
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 18(800), 28(700)-
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HSDPA speed42 Mbps42.2 Mbps
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HSUPA speed11.5 Mbps5.76 Mbps
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LTE speedLTE Cat4, 150.8 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 announced2016-92014-6
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Status2016-92014-10
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Design
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BuildMetal-
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SIMDual SIM (Nano-SIM/microSD)Dual SIM (Micro-SIM)
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Height152.8 mm122.5 mm
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Width76 mm64.4 mm
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Thickness7.75 mm9.9 mm
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Weight-109 g
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ColorsGray, GoldBlack, Blue, Champing Gold, Gun Metal, Red, White, Yellow
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Display
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Display typeIPS capacitive touchscreenTFT capacitive touchscreen
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Physical size5.5 inches4.0 inches
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Resolution1080 x 1920 pixels480 x 800 pixels
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Pixel density401 ppi233 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen-
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MultitouchYes-
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.0 GHz Cortex-A53Quad-core 1.2 GHz Cortex-A7 ARM
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CPU(second)quad-core 1.2 GHz Cortex-A53
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ChipsetMediaTek Helio P10 (MT6755)Qualcomm MSM8212 Snapdragon 200
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GPUMali-T860 MP2Adreno 302
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Memory RAM3, 4 GB512 MB
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Internal storage32, 64 GB4 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max128 GB128 GB
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OS
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OSAndroid 6.0 MarshmallowMicrosoft Windows Phone 8.1
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Main camera
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Camera typeSingle-
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Main camera13 MP, f/2 , 0.23" , 1.133 µm8 MP
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Primary camera resolution4160 x 3120 pixels3264 x 2448 pixels
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Primary camera video1080p@30fps720p@30fps
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Primary camera Autofocus-autofocus
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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-mode, phase detectionGeo-tagging, touch focus
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Selfie camera
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Selfie camera5 MP1.3 MP
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Selfie camera resolution2592 x 1944 pixels-
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Selfie camera video720p@30fps-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Notifications-Vibration; MP3, WAV ringtones
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EarpieceYes-
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Multimedia
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RadioFM Radio-
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Radio FM-Stereo FM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHzWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.1v4.0
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Bluetooth A2DPYesYes
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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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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Messaging Push Email-Push Email
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Java-No
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SensorsAccelerometer, fingerprint, proximity, lightAccelerometer, proximity
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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 capacity3000 mAh1300 mAh
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Battery removableNon-removable-
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Fast battery chargingYes-
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Talk time 2G-7 h
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Talk time 3G-4 h 30 min
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Standby time 2G-350 h
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Standby time 3G-300 h