Lava Z40 vs Samsung Galaxy J3 (2017)
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Lava Z40
Samsung Galaxy J3 (2017)
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100HSDPA 850, 900, 1900, 2100; HSDPA 850, 1700(AWS), 1900 - AT&T
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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), 20(800); LTE frequency band 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 12(700) - AT&T
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HSDPA speed21.1 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 51 Mbps uploadLTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2019-32017-5
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Status2019-32017-5
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Design
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BuildPlastic-
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SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height125.5 mm141 mm
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Width63.9 mm70.1 mm
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Thickness11.7 mm8.6 mm
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Weight120 g148 g
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ColorsBlack, GoldBlack, Gold, White
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Display
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Display typeTN TFT capacitive touchscreenCapacitive touchscreen
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Physical size4.0 inches5.0 inches
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Resolution480 x 800 pixels720 x 1280 pixels
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Pixel density233 ppi294 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass-
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.4 GHz Cortex-A53Quad-core 1.4 GHz Cortex-A53 ARM
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ChipsetUnisoc SC9832EExynos 7570 Quad
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GPUMali-T820 MP1-
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Internal storage8 GB16 GB
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Memory RAM1 GB1.5 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max64 GB256 GB
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OS
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OSAndroid 8.1 Oreo Go EditionAndroid 7.0 (Nougat)
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Main camera
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Main camera2 MP5 MP
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Primary camera resolution1600 x 1200 pixels-
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Primary camera video720p@30fps1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flashLED 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-modeGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera2 MP2 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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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-FM radio with RDS
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Radio recording-recording
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv4.2v4.2
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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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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 Mail-Push Mail
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Java-No
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SensorsAccelerometerAccelerometer, gyro, 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 mAh2600 mAh
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Battery removableRemovableRemovable
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Talk time 2G16 h-
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Talk time 3G16 h23 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 h408 h
