Lava Z40 vs vivo NEX Dual Display
Lava Z40
vivo NEX Dual Display
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 40(2300), 41(2500)LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 19(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed21.1 Mbps-
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HSUPA speed5.76 Mbps-
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EV-DO speed-3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE, Cat4, 150 Mbps download, 51 Mbps uploadLTE-A (4CA), Cat16, 1024 Mbps download, 150 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2019-32018-12
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Status2019-32018-12
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Design
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BuildPlasticAluminium alloy, glass
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height125.5 mm157.2 mm
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Width63.9 mm75.3 mm
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Thickness11.7 mm8.1 mm
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Weight120 g199 g
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ColorsBlack, GoldBlue
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Display
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Display typeTN TFT capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size4.0 inches6.39 inches
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Resolution480 x 800 pixels1080 x 2340 pixels
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Pixel density233 ppi403 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla GlassScratch resistant
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MultitouchYesYes
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Secondary screen resolution-1080 x 1920 pixels
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Secondary screen physical size-5.49 inches
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Secondary display-Super AMOLED
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.4 GHz Cortex-A53Quad-core 2.7 GHz Kryo 385 Gold
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CPU(second)quad-core 1.7 GHz Kryo 385 Silver
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ChipsetUnisoc SC9832EQualcomm SDM845 Snapdragon 845
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GPUMali-T820 MP1Adreno 630
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Internal storage8 GB128 GB
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Memory RAM1 GB10 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max64 GB-
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OS
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OSAndroid 8.1 Oreo Go EditionAndroid 9.0 Pie
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Main camera
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Camera type-Triple
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Main camera2 MP12 MP, f/1.8 , 1/2.55" , 1.4 µm
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2 MP, f/1.8
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TOF(time of flight) , f/1.3
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Primary camera resolution1600 x 1200 pixels4032 x 3024 pixels
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Primary camera video720p@30fps2160p@30fps, 1080p@30fps
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Primary camera flashLED flashLED flash
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Primary camera phase detection autofocus-dual pixel phase detection autofocus
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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, optical image stabilization, 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 camera2 MP
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Selfie camera resolution1600 x 1200 pixels-
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Selfie camera video480p@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 RadioNo
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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 1.0 reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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Beidou-Yes
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Features
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SensorsAccelerometerAccelerometer, compass, fingerprint, gyroscope, light, 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 capacity2250 mAh3500 mAh
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Battery removableRemovableNon-removable
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Fast battery charging-Yes
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Talk time 2G16 h-
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Talk time 3G16 h-
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Talk time 4G17.5 h-
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Standby time 2G240 h-
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Standby time 3G240 h-
