Lava Z91 vs alcatel Smart Tab 7
Lava Z91
alcatel Smart Tab 7
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Network
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2G networkGSM 900, 1800N/A
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3G networkHSDPA 900, 2100N/A
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 40(2300), 41(2500)N/A
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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, 50 Mbps upload-
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GPRSYesNo
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EDGEYesNo
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Availability
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Oficially announced2018-32019-9
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Status2018-32019-9
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Design
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BuildPlastic, metalPlastic
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SIMDual SIM (Nano-SIM, dual stand-by)No
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Height152 mm176 mm
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Width72.9 mm126 mm
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Thickness7.7 mm12 mm
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Weight147 g268 g
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ColorsBlueBlack
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Display
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Display typeIPS LCD capacitive touchscreenTN TFT capacitive touchscreen
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Physical size5.7 inches7.0 inches
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Resolution720 x 1440 pixels1024 x 600 pixels
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Pixel density282 ppi170 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen-
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MultitouchYes, max 5 fingersYes
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A53Quad-core 1.3 GHz Cortex-A53
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ChipsetMediatek MT6739Mediatek MT8167D
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GPUPowerVR GE8100PowerVR GE8300
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Memory RAM3 GB1.5 GB
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Internal storage32 GB16 GB
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Memory cardmicroSDmicroSD, microSDHC, microSDXC
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Memory card max128 GB16 GB
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OS
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OSAndroid 7.1 (Nougat)Android 9.0 Pie
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Main camera
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Main camera13 MP, f/2.0 , 1.12 µm2 MP, f/2.4 , 1/5"
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Primary camera resolution4160 x 3120 pixels1920 x 1080 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocusautofocus-
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Primary camera flash-LED flash
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Camera featuresGeo-tagging, face detection, touch focus-
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Selfie camera
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FlashLED flash-
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Selfie camera8 MP, f/2.22 MP, f/2.4 , 1/5" , 1.65 µm
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Selfie camera resolution3264 x 2448 pixels-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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EarpieceYesYes
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Multimedia
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Radio-FM Radio
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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Wi-Fi display-Yes
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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GPSYes, with A-GPSYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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SensorsFingerprint (rear-mounted), accelerometer, proximityAccelerometer
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity3000 mAh2580 mAh
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Battery removableNon-removableNon-removable
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Cost
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Price-90 USD