Lava Z91 vs vivo Watch
Lava Z91
vivo Watch
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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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GPRSYes-
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EDGEYes-
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Availability
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Oficially announced2018-32020-09
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Status2018-32020-09
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Design
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BuildPlastic, metalGlass front, stainless steel frame 316L
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SIMDual SIM (Nano-SIM, dual stand-by)No
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Height152 mm46 mm
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Width72.9 mm46 mm
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Thickness7.7 mm10.6 mm
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Weight147 g46.8 g
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Waterproof-5ATM (up to 50m)
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ColorsBlueBlack, Dark Brown, Brown, Orange
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Display
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Display typeIPS LCD capacitive touchscreenAMOLED
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Physical size5.7 inches1.39 inches
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Resolution720 x 1440 pixels454 x 454 pixels
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Pixel density282 ppi326 ppi
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Display colors16777216-
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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-A53
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ChipsetMediatek MT6739-
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GPUPowerVR GE8100-
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Internal storage32 GB2 GB
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Memory RAM3 GB-
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Memory cardmicroSDNo
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Memory card max128 GB-
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Phonebook-No
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Call records-No
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OS
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OSAndroid 7.1 (Nougat)-
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Main camera
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Main camera13 MP, f/2.0 , 1.12 µm
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Primary camera resolution4160 x 3120 pixels-
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Primary camera video1080p@30fps-
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Primary camera Autofocusautofocus-
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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/2.2
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Selfie camera resolution3264 x 2448 pixels-
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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EarpieceYes-
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Multimedia
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Radio-No
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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, 802.11acNo
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0No
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Bluetoothv4.0v5.0
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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
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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 SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmailYes
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Messaging IMIMYes
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Java-No
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Games-No
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SensorsFingerprint (rear-mounted), accelerometer, proximityAccelerometer, altimeter, barometer, compass, gyroscope, heart rate, SpO2
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Browser
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HTMLYes-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity3000 mAh478 mAh
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Battery removableNon-removableNon-removable
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Wireless charging-Yes
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Cost
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Price-240 USD