BLU J4 vs Samsung Galaxy Z Fold2 5G
BLU J4
Samsung Galaxy Z Fold2 5G
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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, 1700(AWS), 1900, 2100
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4G network-LTE
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5G network-5G band SA/NSA/Sub6/mmWave
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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-A (7CA) Cat20, 2000 Mbps download, 200 Mbps upload
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5G speed-5G
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2019-102020-08
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Status2019-102020-09
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Design
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BuildPlasticGlass front (folded), plastic front (unfolded), glass back, aluminum frame
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SIMDual SIM (Nano-SIM, dual stand-by)Nano-SIM
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Height151 mm159.2 mm
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Width72.3 mm68 mm
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Thickness10 mm16.8 mm
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Height unfolded-159.2 mm
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Width unfolded-128.2 mm
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Thickness unfolded-6.9 mm
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Weight158 g279 g
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Payment-Samsung Pay
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ColorsBlack, Blue, BrownBlack, Bronze
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Display
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Display typeIPS LCD capacitive touchscreenFoldable Dynamic AMOLED 2X capacitive touchscreen
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Physical size5.5 inches7.6 inches
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Resolution720 x 1440 pixels1768 x 2208 pixels
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Pixel density293 ppi372 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, Corning Gorilla Glass 5
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MultitouchYes-
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Display features-HDR10+, 120Hz refresh rate
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Cover display-AMOLED capacitive touchscreen
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Cover display physical size-6.23 inches
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Cover display resolution-816 x 2260 pixels
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Single-core 3.09 GHz Kryo 585
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CPU(second)Triple-core 2.42 GHz Kryo 585
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CPU(third)Quad-core 1.8 GHz Kryo 585
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Chipset-Qualcomm SM8250 Snapdragon 865+
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GPUMali-400Adreno 650
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Memory RAM1 GB12 GB
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Internal storage32 GB256 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max64 GB-
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StorageeMMC 5.1UFS 3.0
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OS
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OSAndroid 8.1 Oreo Go EditionAndroid 10, One UI 2.5
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Main camera
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Camera typeSingleTriple
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Main camera8 MP12 MP, f/1.8 , 26 mm, 1/1.76" , 1.8 µm
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12 MP, f/2.4 , 52 mm, 1/3.6" , 1.0 µm, 2x optical zoom
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12 MP, f/2.2
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Primary camera resolution-4032 x 3024 pixels
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Primary camera video720p@30fps4K@60fps, 1080p@60/240fps (gyro-EIS), 720p@960fps (gyro-EIS), HDR10
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Primary camera flashLED flash-
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Camera features-Autofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus
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DxOMark photo-108
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DxOMark zoom-63
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DxOMark video-102
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DxOMark camera score-109
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Selfie camera
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Selfie camera8 MP10 MP, f/2.2 , 26 mm, 1/3" , 1.22 µm
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Selfie camera resolution-3840 x 2160 pixels
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Selfie camera video720p@30fps4K@30fps, 1080p@30fps, gyro-EIS
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Sound
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3.5mm jackYes-
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LoudspeakerYesYes, with stereo speakers
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EarpieceYesYes
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Multimedia
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RadioFM RadioNo
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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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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C reversible connector
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Bluetoothv4.1v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptX-aptX HD
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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, barometer, compass, fingerprint, gyroscope, 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 mAh4500 mAh
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Battery removableRemovableNon-removable
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Fast battery charging-Qualcomm Quick Charge 2.0
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Wireless charging-Qi/PMA
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Cost
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Price75 USD2400 USD
