BLU J4 vs Samsung Galaxy Z Fold3 5G
BLU J4
Samsung Galaxy Z Fold3 5G
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800, 1900
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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4G network-5G band 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave
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5G network-5G band 2, 5, 25, 41, 66, 71, 260, 261 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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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2019-102021-08
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Status2019-102021-08
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Design
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BuildPlasticGlass front (Gorilla Glass Victus) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus), aluminum frame
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SIMDual SIM (Nano-SIM, dual stand-by)Nano-SIM and eSIM
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Height151 mm158.2 mm
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Width72.3 mm67.1 mm
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Thickness10 mm6.4 mm
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Height unfolded-158.2 mm
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Width unfolded-128.1 mm
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Thickness unfolded-14.4-16 mm
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Weight158 g271 g
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Stylus-Yes
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Payment-Samsung Pay (Visa, MasterCard certified)
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Waterproof-IPX8, 1.5m and 30 minutes
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ColorsBlack, Blue, BrownBlack, Green, Silver
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Display
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Display typeIPS LCD capacitive touchscreenFoldable Dynamic AMOLED 2X
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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 ppi374 ppi
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Display colors1677721616777216
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MultitouchYes-
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Display features-120Hz, HDR10+, 1200 nits (peak)
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Cover display-Dynamic AMOLED 2X
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Cover display physical size-6.2 inches
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Cover display resolution-832 x 2268 pixels
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Cover display features-120Hz, Corning Gorilla Glass Victus
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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 680
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CPU(second)Triple-core 2.42 GHz Kryo 680
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CPU(third)Quad-core 1.8 GHz Kryo 680
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Chipset-Qualcomm SM8350 Snapdragon 888 5G
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GPUMali-400Adreno 660
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Memory RAM1 GB12 GB
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Internal storage32 GB256, 512 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max64 GB-
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StorageeMMC 5.1UFS 3.1
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OS
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OSAndroid 8.1 Oreo Go EditionAndroid 11, One UI 3.5
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Main camera
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Camera typeSingleTriple
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Main camera8 MP12 MP, (wide) , f/1.8 , 26 mm, 1/1.76" , 1.8 µm
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(telephoto) , 12 MP, f/2.4 , 52 mm, 1/3.6" , 1.0 µm, 2x optical zoom
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123˚ , (ultrawide) , 12 MP, f/2.2 , 12 mm, 1.12 µm
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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 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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Cover camera10 MP, 26 mm, f/2.2 , 1.22 µm, 1/3"
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Selfie camera
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Selfie camera type-Single
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Selfie camera8 MP16 MP, f/1.8 , 1.0 µm
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Selfie camera features-phase detection autofocus
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Selfie camera video720p@30fps4K@30fps, 1080p@30fps, gyro-EIS
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Sound
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3.5mm jackYesNo
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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, 802.11ax
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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 3.2
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Bluetoothv4.1v5.2
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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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BDS-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 mAh4400 mAh
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Battery removableRemovableNon-removable
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Fast battery charging-Quick Charge 2.0
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Wireless reverse charging-Yes
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Fast wireless charging-Yes
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Cost
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Price75 USD1800 USD
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Tests and performance
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Antutu-705000 (v9)
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Geekbench(single-core)-1124 (v5.4)
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Geekbench(multi-core)-3350 (v5.4)
