Lava Z4 vs Ulefone Power Armor X11
Lava Z4
Ulefone Power Armor X11
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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, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 3, 5, 8, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28
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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 upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-012023-06
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Status2021-012023-06
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Design
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BuildGlass front, plastic back, plastic frame-
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height164.5 mm158.2 mm
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Width75.8 mm76.7 mm
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Thickness9 mm19.3 mm
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Weight190 g330 g
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Waterproof-IP68/IP69K (1.5m and 30 mins)
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Dust proof-IP68/IP69K
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MIL-STD-810H-Yes
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ColorsBlue, RedBlack
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.51 inches5.45 inches
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Resolution720 x 1600 pixels720 x 1440 pixels
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Pixel density270 ppi295 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen, Corning Gorilla Glass 3-
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.3 GHz Cortex-A53Quad-core 2.0 GHz Cortex-A53
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CPU(second)quad-core 1.8 GHz Cortex-A53
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ChipsetMediaTek Helio G35Mediatek MT6761 Helio A22
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GPUPowerVR GE8320PowerVR GE8320
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Internal storage64 GB32 GB
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Memory RAM6 GB4 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max512 GB-
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StorageeMMC 5.1eMMC 5.1
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OS
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OSAndroid 10Android 13
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Main camera
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Camera typeTripleDual
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Main camera(wide) , 13 MP, f/1.9 , 1/3.0" , 1.12 µm(wide) , 16 MP, f/1.8 , 1.12 µm
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(ultrawide) , 5 MP(depth) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution4160 x 3120 pixels4608 x 3456 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashLED flashquad-LED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-modeAutofocus, continuous shooting, digital zoom, 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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Selfie camera typeSingleSingle
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Selfie camera(wide) , 16 MP, f/2.0 , 1/3.06" , 1.0 µm5 MP, f/2.2
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Selfie camera resolution4608 x 3456 pixels2560 x 1920 pixels
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Selfie camera featuresFace unlockFace unlock
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Selfie camera video1080p@30fps1080p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes, with dual speakers
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EarpieceYesYes
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Multimedia
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RadioFM RadioWireless FM radio, RDS, recording
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYes-
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WLAN WiFi Dual Band-Yes
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USBType-C 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCNoYes
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GPSYes, with A-GPSYes, with A-GPS
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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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SensorsAccelerometer, fingerprint, proximityAccelerometer, compass, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity5000 mAh8150 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes, 10W
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Talk time 2G50 h-
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Talk time 3G25 h-
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Talk time 4G25 h44 h
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Standby time 3G750 h-
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Standby time 4G750 h444 h
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Tests and performance
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Antutu110490 (v8)101328 (v9)
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Geekbench(single-core)2374 (v4.1)164 (v5.2)
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Geekbench(multi-core)7598 (v4.1)635 (v5.2)
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Cost
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Price120 USD155 USD
