BLU J4 vs Lava Z61 Pro
BLU J4
Lava Z61 Pro
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 900, 2100
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4G network-LTE frequency band 1, 3, 5, 8, 40, 41
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HSDPA speed21.1 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speed-LTE, 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 announced2019-102020-07
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Status2019-102020-07
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Design
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BuildPlasticGlass 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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Height151 mm147 mm
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Width72.3 mm71.8 mm
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Thickness10 mm9.2 mm
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Weight158 g160 g
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ColorsBlack, Blue, BrownBlue, Red
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Display
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Display typeIPS LCD capacitive touchscreenTFT LCD capacitive touchscreen
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Physical size5.5 inches5.45 inches
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Resolution720 x 1440 pixels720 x 1440 pixels
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Pixel density293 ppi295 ppi
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Display colors1677721616777216
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MultitouchYes-
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A7Octa-core 1.6 GHz
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GPUMali-400-
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Memory RAM1 GB2 GB
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Internal storage32 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB-
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StorageeMMC 5.1-
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OS
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OSAndroid 8.1 Oreo Go EditionAndroid 9.0 Pie
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Main camera
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Camera typeSingle-
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Main camera8 MP5 MP, f/2.0 , 1.12 µm
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Primary camera video720p@30fps1080p@30fps
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Primary camera flashLED flashLED flash
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Camera features-HDR, Panorama
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Selfie camera
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Selfie camera8 MP5 MP, f/2.2 , 1.12 µm
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Selfie camera video720p@30fps-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYes-
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Multimedia
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RadioFM RadioFM Radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv4.1v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Features
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SensorsAccelerometerAccelerometer, Face ID, 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 capacity2200 mAh3100 mAh
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Battery removableRemovableNon-removable
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Cost
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Price75 USD85 USD