Lava Z91 vs Samsung Galaxy S7
Lava Z91
Samsung Galaxy S7
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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)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, 50 Mbps uploadLTE, 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 announced2018-32016-2
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Status2018-32016
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Design
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BuildPlastic, metalCorning Gorilla Glass back panel
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SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height152 mm142.4 mm
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Width72.9 mm69.6 mm
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Thickness7.7 mm7.9 mm
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Weight147 g152 g
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ColorsBlueBlack, Gold, Silver, White
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size5.7 inches5.1 inches
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Resolution720 x 1440 pixels1440 x 2560 pixels
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Pixel density282 ppi577 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screenCorning Gorilla Glass
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MultitouchYes, max 5 fingersYes
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A53Dual-core 2.15 GHz Kryo
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CPU(second)dual-core 1.6 GHz Kryo
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ChipsetMediatek MT6739Qualcomm MSM8996 Snapdragon 820 / Exynos 8890 Octa
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GPUPowerVR GE8100Adreno 530 / Mali-T880 MP12
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Memory RAM3 GB4 GB
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Internal storage32 GB32, 64 GB
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Memory cardmicroSDmicroSD
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Memory card max128 GB200 GB
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OS
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OSAndroid 7.1 (Nougat)Android OS, v6.0 (Marshmallow)
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Main camera
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Main camera13 MP, f/2.0 , 1.12 µm12 MP, f/1.7 , 26 mm
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Primary camera resolution4160 x 3120 pixels-
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Primary camera video1080p@30fps2160p@30fps, 1080p@60fps, 720p@240fps
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Primary camera Autofocusautofocus-
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Primary camera flash-LED flash
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Primary camera optical image stabilization-optical image stabilization
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Primary camera phase detection autofocus-phase detection autofocus
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Primary camera video dual video-dual-video record
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Primary camera video hdr-HDR
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Camera featuresGeo-tagging, face detection, touch focus1.4 µm pixel size, 1/2.6" sensor size, Auto HDR, face detection, geo-tagging, 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, f/1.7 , 22 mm
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Selfie camera resolution3264 x 2448 pixels-
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Secondary camera dual video call-dual video call
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Secondary camera HDR-Auto HDR
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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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 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 BandYesYes
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USBmicroUSB 2.0microUSB 2.0
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USB host-Yes
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth AptX-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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BDS-Yes
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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, SpO2, accelerometer, barometer, compass, gyro, heart rate, proximity
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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 mAh3000 mAh
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Battery removableNon-removableNon-removable
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Talk time--
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Standby time--
