Lava Z91 vs Lenovo Vibe K4 Note
Lava Z91
Lenovo Vibe K4 Note
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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
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 40(2300), 41(2500)-
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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 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 announced2018-32016-1
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Status2018-32016-1
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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, dual stand-by)
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Height152 mm153.6 mm
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Width72.9 mm76.5 mm
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Thickness7.7 mm9.2 mm
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Weight147 g158 g
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ColorsBlueBlack
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.7 inches5.5 inches
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Resolution720 x 1440 pixels1080 x 1920 pixels
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Pixel density282 ppi401 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen-
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MultitouchYes, max 5 fingers-
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A53Octa-core 1.3 GHz ARM Cortex-A53
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ChipsetMediatek MT6739Mediatek MT6753
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GPUPowerVR GE8100Mali-T720MP3
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Memory RAM3 GB2, 3 GB
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Internal storage32 GB16, 32 GB
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Memory cardmicroSDmicroSD
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Memory card max128 GB128 GB
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OS
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OSAndroid 7.1 (Nougat)Android OS, v5.1 (Lollipop)
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Main camera
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Main camera13 MP, f/2.0 , 1.12 µm13 MP, f/2.2
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Primary camera resolution4160 x 3120 pixels-
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocusautofocusphase detection autofocus
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Primary camera flash-dual-LED (dual tone) flash
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Camera featuresGeo-tagging, face detection, touch focusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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FlashLED flash-
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Selfie camera8 MP, f/2.25 MP
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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, with stereo speakers
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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EarpieceYes-
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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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)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push Mail-Push Mail
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Java-No
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SensorsFingerprint (rear-mounted), accelerometer, proximityFingerprint, accelerometer, compass, gyro, proximity
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity3000 mAh3300 mAh
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Battery removableNon-removableNon-removable
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Talk time 2G-23 h
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Talk time 3G-22 h
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Standby time 3G-265 h
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