Apple Watch 40mm Series 5 (LTE) vs BLU J4
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Apple Watch 40mm Series 5 (LTE)
BLU J4
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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, 1700(AWS), 1900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 25(1900), 26(850), 39(1900), 40(2300), 41(2500), 66(1700/2100) - global version-
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HSDPA speed-21.1 Mbps
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HSUPA speed-5.76 Mbps
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GPRS-Yes
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EDGE-Yes
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Availability
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Oficially announced2019-92019-10
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Status2019-92019-10
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Design
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BuildStainless Steel frame; all-ceramic/sapphire crystal backPlastic
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SIMElectronic SIM card (eSIM)Dual SIM (Nano-SIM, dual stand-by)
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Height40 mm151 mm
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Width34 mm72.3 mm
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Thickness10.7 mm10 mm
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Weight39.8 g158 g
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Waterproof50 m-
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ColorsBlack, Gold, SilverBlack, Blue, Brown
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Display
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Display typeLTPO OLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size1.57 inches5.5 inches
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Resolution394 x 324 pixels720 x 1440 pixels
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Pixel density326 ppi293 ppi
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Display colors1677721616777216
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ProtectionSapphire crystal glass-
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Multitouch-Yes
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Display features3D Touch display, 1000 nits max brightness, always-on display-
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A7
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ChipsetApple S5-
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GPUPowerVRMali-400
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Internal storage32 GB32 GB
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Memory RAM-1 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-64 GB
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Storage-eMMC 5.1
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OS
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OSwatchOS 6.0Android 8.1 Oreo Go Edition
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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Earpiece-Yes
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Multimedia
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RadioNoFM 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 Hotspot-Yes
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WLAN WiFi Direct-Yes
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USBNomicroUSB 2.0
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Bluetoothv5.0v4.1
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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GALILEOYes-
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QZSSYes-
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Features
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SensorsAccelerometer, barometer, compass, gyroscope, heart rateAccelerometer
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity-2200 mAh
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Battery removableNon-removableRemovable
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Wireless chargingYes-
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Standby time18 h-
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Cost
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Price830 USD75 USD
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Main camera
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Camera type-Single
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Main camera8 MP
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Primary camera video-720p@30fps
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Primary camera flash-LED flash
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Selfie camera
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Selfie camera8 MP
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Selfie camera video-720p@30fps
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Browser
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HTML-HTML5
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