Lava Z81 vs Samsung Galaxy A8 Star (A9 Star)
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Lava Z81
Samsung Galaxy A8 Star (A9 Star)
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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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), 8(900), 40(2300), 41(2500)LTE
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HSDPA speed42.2 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 upload-
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LTE-A speed-LTE-A, (3CA) Cat9, 450 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 announced2018-102018-6
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Status2018-102018
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Design
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BuildPlastic, metalPolycarbonate
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SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height152.2 mm162.4 mm
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Width73 mm77 mm
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Thickness7.9 mm7.6 mm
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Weight141 g191 g
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Payment-Samsung Pay
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ColorsBlack/Blue, Gold/BlackBlack, White
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Display
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Display typeIPS capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size5.7 inches6.3 inches
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Resolution1080 x 2160 pixels1080 x 2220 pixels
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Pixel density424 ppi392 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 32.5D curved glass screen
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 2.0 GHz Cortex-A53Quad-core 2.2 GHz Kryo 260
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CPU(second)quad-core 1.8 GHz Kryo 260
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ChipsetMediatek MT6761Qualcomm SDM660 Snapdragon 660
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GPUPowerVR GE8300Adreno 512
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Internal storage32 GB64 GB
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Memory RAM2, 3 GB4 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD(uses second SIM slot)
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Memory card max128 GB400 GB
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OS
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OSAndroid 8.1 OreoAndroid 8.0 (Oreo)
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Main camera
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Camera type-Dual
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Main camera13 MP, f/2.224 MP, f/1.7
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16 MP, f/1.7
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Primary camera resolution4160 x 3120 pixels4608 x 3456 pixels
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Primary camera video1080p@30fps2160p@30fps, 1080p@30fps
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Primary camera Autofocus-phase detection 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 camera13 MP24 MP, f/2.0
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Selfie camera resolution4160 x 3120 pixels5632 x 4224 pixels
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Selfie camera video720p@30fps1080p
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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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EarpieceYesYes
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Multimedia
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RadioFM Radio-
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Radio FM-FM radio
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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, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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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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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GALILEO-Yes
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BDS-Yes
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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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SensorsAccelerometer, fingerprint, light, proximityFingerprint (rear-mounted), accelerometer, compass, 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 capacity3000 mAh3700 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Talk time 2G19 h-
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Talk time 3G19 h-
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Talk time 4G21 h-
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Standby time 2G320 h-
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Standby time 3G320 h-
