BLU X Link vs Lava Z81
BLU X Link
Lava Z81
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G network-HSDPA 900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500)
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE, Cat4, 150 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGENoYes
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Availability
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Oficially announced2018-32018-10
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Status2018-52018-10
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Design
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BuildAluminum bodyPlastic, metal
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SIMMini-SIMDual SIM (Nano-SIM, dual stand-by)
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Height45.8 mm152.2 mm
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Width54 mm73 mm
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Thickness13.9 mm7.9 mm
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Weight65 g141 g
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WaterproofIP54-
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Dust proofIP54-
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ColorsBlack, Rose Gold, SilverBlack/Blue, Gold/Black
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Display
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Display typeIPS LCD capacitive touchscreenIPS capacitive touchscreen
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Physical size1.1 inches5.7 inches
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Resolution240 x 240 pixels1080 x 2160 pixels
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Pixel density309 ppi424 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass 3
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MultitouchYesYes
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Hardware
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CPU256 MHz2.0 GHz Quad-core Cortex-A53
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ChipsetMediatek MT2502Mediatek MT6761
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GPU-PowerVR GE8300
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Memory RAM4 MB2, 3 GB
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Internal storage4 MB32 GB
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Memory card-microSD, microSDHC, microSDXC
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Memory card max-128 GB
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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Earpiece-Yes
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Multimedia
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RadioNoFM Radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBNomicroUSB 2.0
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Bluetoothv4.0v4.2
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Bluetooth A2DP-Yes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMS-
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Messaging EmailEmail-
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JavaNo-
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SensorsAccelerometer, heart rateAccelerometer, fingerprint, light, proximity
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Browser
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HTML-HTML5
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BrowserNo-
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity320 mAh3000 mAh
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Battery removableNon-removableNon-removable
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Talk time 2G-19 h
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Talk time 3G-19 h
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Talk time 4G-21 h
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Standby time 2G-320 h
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Standby time 3G-320 h
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OS
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OS-Android 8.1 Oreo
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Main camera
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Main camera13 MP, f/2.2
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video-1080p@30fps
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Primary camera flash-LED flash
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Camera features-Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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Selfie camera
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Selfie camera13 MP
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Selfie camera resolution-4160 x 3120 pixels
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Selfie camera video-720p@30fps