BLU J4 vs Samsung Galaxy Fold
BLU J4
Samsung Galaxy Fold
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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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HSDPA speed21.1 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speed-LTE, Cat20
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2019-102019-2
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Status2019-102019-2
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Design
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BuildPlasticGlass, aluminium alloy
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SIMDual SIM (Nano-SIM, dual stand-by)Nano-SIM
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Height151 mm142.2 mm
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Width72.3 mm69.9 mm
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Thickness10 mm7.9 mm
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Weight158 g150 g
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Payment-Samsung Pay
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ColorsBlack, Blue, BrownBlack, Blue, Green, Silver
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Display
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Display typeIPS LCD capacitive touchscreenDynamic AMOLED capacitive touchscreen
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Physical size5.5 inches7.3 inches
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Resolution720 x 1440 pixels1536 x 2152 pixels
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Pixel density293 ppi414 ppi
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Display colors1677721616777216
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Protection-Scratch resistant
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MultitouchYesYes
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Secondary screen physical size-4.6 inches
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Secondary display-HD+ Super AMOLED capacitive touchscreen
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Single-core 2.84 GHz Kryo 485
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CPU(second)Triple-core 2.42 GHz Kryo 485
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CPU(third)Quad-core 1.8 GHz Kryo 485
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Chipset-Qualcomm SDM855 Snapdragon 855
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GPUMali-400Adreno 640
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Memory RAM1 GB12 GB
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Internal storage32 GB512 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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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 typeSingleTriple
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Main camera8 MP12 MP, f/1.5-2.4 , 26 mm, 1/2.55" , 1.4 µm, 2x optical zoom
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12 MP, f/2.4 , 52 mm, 1/3.6" , 1.0 µm
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16 MP, f/2.2 , 12 mm
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Primary camera resolution-4032 x 3024 pixels
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Primary camera video720p@30fps2160p@30/60fps
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Primary camera flashLED flashLED flash
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Camera features-Autofocus, 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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Cover camera10 MP, f/2.2
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Selfie camera
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Selfie camera type-Dual
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Selfie camera8 MP10 MP, f/2.2
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8 MP, f/1.9
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Selfie camera resolution-4320 x 2432 pixels
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Selfie camera video720p@30fps2160p@30fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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EarpieceYesYes
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Headphone adapter-Yes
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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, 802.11ac
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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 1.0 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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NFC-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, 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 mAh4380 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 USD-
