Lava Z91 vs Ulefone Armor 3W
Lava Z91
Ulefone Armor 3W
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900; CDMA 800, 1900
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3G networkHSDPA 900, 2100HSDPA 850, 900, 1700, 1900, 2100; TD-SCDMA 1880-1920, 2010-2025 MHz
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 40(2300), 41(2500)LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(850), 19(850), 20(800), 25(1900), 26(850), 28(700), 34(2000), 38(2600), 39(1900), 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, Cat6 301 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 announced2018-32019-9
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Status2018-32019-9
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Design
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BuildPlastic, metalPolycarbonate, aluminium alloy, TPU
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM/Nano-SIM(microSD), dual stand-by)
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Height152 mm164.8 mm
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Width72.9 mm79.2 mm
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Thickness7.7 mm18.15 mm
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Weight147 g364 g
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Waterproof-Yes, IP68, IP69K
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Dust proof-Yes, IP68, IP69K
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MIL-STD-810G-Yes
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ColorsBlueBlack, Orange
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Display
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Display typeIPS LCD capacitive touchscreenIPS capacitive touchscreen
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Physical size5.7 inches5.7 inches
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Resolution720 x 1440 pixels1080 x 2160 pixels
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Pixel density282 ppi424 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screenScratch resistant, Corning Gorilla Glass 5
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MultitouchYes, max 5 fingersYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz ARM Cortex-A53Quad-core 2.1 GHz Cortex-A73
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CPU(second)quad-core 1.95 GHz Cortex-A53
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ChipsetMediatek MT6739MediaTek Helio P70
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GPUPowerVR GE8100Mali-G71 MP3
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Memory RAM3 GB6 GB
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Internal storage32 GB64 GB
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Memory cardmicroSDmicroSD, microSDHC, microSDXC
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Memory card max128 GB256 GB
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Storage-eMMC
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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 µm21 MP, f/1.8 , 1.127 µm, 1/2.4"
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Primary camera resolution4160 x 3120 pixels5312 x 3984 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocusautofocus-
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Primary camera flash-dual-LED flash
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Camera featuresGeo-tagging, face detection, touch focusAutofocus, continuous shooting, digital zoom, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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Selfie camera
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FlashLED flash-
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Selfie camera8 MP, f/2.28 MP, f/2.4 , 1/4" , 1.127 µm
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Selfie camera resolution3264 x 2448 pixels3264 x 2448 pixels
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Selfie camera video-1080p@30fps
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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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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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Wi-Fi display-Yes
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WLAN WiFi Dual BandYesYes
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USBmicroUSB 2.0Type-C reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.0v4.1
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Bluetooth A2DPYes-
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bluetooth LE-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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Beidou-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 EmailEmail-
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Messaging IMIM-
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SensorsFingerprint (rear-mounted), accelerometer, proximityAccelerometer, barometer, coulometer, fingerprint, gyroscope, light, 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 mAh10300 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-MediaTek Pump Express Plus 2.0
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Cost
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Price-240 USD