Lava Z81 vs Vertex Impress Grip
Lava Z81
Vertex Impress Grip
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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 900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500)LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE, Cat4, 150 Mbps download, 51 Mbps uploadLTE, Cat4, 150 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 announced2018-102017
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Status2018-102017
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Design
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BuildPlastic, metal-
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Micro-SIM)
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Height152.2 mm-
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Width73 mm-
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Thickness7.9 mm-
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Weight141 g-
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ColorsBlack/Blue, Gold/BlackBlack
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Display
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Display typeIPS capacitive touchscreenIPS capacitive touchscreen
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Physical size5.7 inches5 inches
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Resolution1080 x 2160 pixels720 x 1280 pixels
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Pixel density424 ppi294 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 3Corning Gorilla Glass
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MultitouchYesYes
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Hardware
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CPUQuad-core 2.0 GHz Cortex-A53Quad-core 1.4 GHz Cortex-A53
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ChipsetMediatek MT6761Qualcomm Snapdragon 410 MSM8916
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GPUPowerVR GE8300Qualcomm Adreno 306
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Memory RAM2, 3 GB2 GB
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Internal storage32 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC
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Memory card max128 GB-
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OS
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OSAndroid 8.1 OreoAndroid 7.0 Nougat
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Main camera
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Main camera13 MP, f/2.213 MP
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Primary camera resolution4160 x 3120 pixels4160 x 3120 pixels
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Primary camera video1080p@30fps720p@30fps
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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-modeAutofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, exposure compensation, self-timer, scene mode
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Selfie camera
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Selfie camera13 MP5 MP
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Selfie camera resolution4160 x 3120 pixels-
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Selfie camera video720p@30fps480p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYes-
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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 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.2v4.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Features
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SensorsAccelerometer, fingerprint, light, proximityAccelerometr, compass, 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 capacity3000 mAh4400 mAh
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Battery removableNon-removable-
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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-
