BLU J4 vs Xiaomi Redmi Note 8
BLU J4
Xiaomi Redmi Note 8
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500)
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HSDPA speed21.1 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps11.5 Mbps
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EV-DO speed-3.1 Mbps download, 1.8 Mbps upload
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LTE speed-LTE, Cat12, 603 Mbps download, 102 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2019-102019-8
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Status2019-102019-9
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Design
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BuildPlasticFront glass, plastic body
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height151 mm158.3 mm
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Width72.3 mm75.3 mm
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Thickness10 mm8.4 mm
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Weight158 g190 g
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Waterproof-IP52
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Dust proof-IP52
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ColorsBlack, Blue, BrownBlue, Green
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.5 inches6.3 inches
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Resolution720 x 1440 pixels1080 x 2340 pixels
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Pixel density293 ppi409 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen, Corning Gorilla Glass 5
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 2.0 GHz Kryo 260 Gold
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CPU(second)quad-core 1.8 GHz Kryo 260 Silver
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Chipset-Qualcomm SDM665 Snapdragon 665
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GPUMali-400Adreno 610
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Memory RAM1 GB4, 6 GB
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Internal storage32 GB64, 128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB256 GB
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StorageeMMC 5.1-
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OS
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OSAndroid 8.1 Oreo Go EditionMIUI V10(Android 9.0 Pie)
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Main camera
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Camera typeSingleQuad
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Main camera8 MP48 MP, f/1.8 , 1/2" , 0.8 µm
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8 MP, f/2.2 , 13 mm, 1/4" , 1.12 µm
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2 MP, f/2.4 , 1/5" , 1.75 µm
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2 MP, f/2.4 , 1/5" , 1.75 µm
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Primary camera resolution-8000 x 6000 pixels
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Primary camera video720p@30fps2160p@30fps, 1080p@30/60/120fps, 720p@960fps
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Primary camera flashLED flashLED flash
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Camera features-Autofocus, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, phase detection
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Selfie camera
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Selfie camera8 MP13 MP, f/2.0
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Selfie camera resolution-4224 x 3136 pixels
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Selfie camera video720p@30fps1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYesYes
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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 802.11a, 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 Band-Yes
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USBmicroUSB 2.0Type-C 1.0 reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.1v5.0
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Bluetooth A2DPYesYes
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bluetooth HID-Yes
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bluetooth LEYesYes
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Bluetooth EDR-Yes
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Infrared-Yes
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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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Beidou-Yes
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Features
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SensorsAccelerometerAccelerometer, fingerprint, light, 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 mAh4000 mAh
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Battery removableRemovableNon-removable
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Fast battery charging-Qualcomm Quick Charge 4.0
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Cost
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Price75 USD150 USD
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