Apple iPad 10.2 (2021) vs BLU J4
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Apple iPad 10.2 (2021)
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 800, 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 29, 30, 34, 38, 39, 40, 41, 66, 71; 1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 66-
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HSDPA speed42.2 Mbps21.1 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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GPRSNoYes
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EDGENoYes
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Availability
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Oficially announced2021-092019-10
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Status2021-092019-10
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Design
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BuildGlass front, aluminum back, aluminum framePlastic
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SIMNano-SIM, eSIMDual SIM (Nano-SIM, dual stand-by)
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Height174.1 mm151 mm
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Width250.6 mm72.3 mm
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Thickness7.5 mm10 mm
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Weight487 (Wi-Fi) / 498 (LTE) g158 g
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StylusYes-
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ColorsGray, SilverBlack, Blue, Brown
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Display
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Display typeRetina IPS LCDIPS LCD capacitive touchscreen
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Physical size10.2 inches5.5 inches
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Resolution1620 x 2160 pixels720 x 1440 pixels
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Pixel density265 ppi293 ppi
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Display colors1677721616777216
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ProtectionScratch-resistant glass, oleophobic coating-
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Multitouch-Yes
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Display features500 nits (typ)-
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Hardware
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CPUHexa-core-
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CPUDual-core 2.65 GHz LightningQuad-core 1.3 GHz Cortex-A7
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CPU(second)quad-core 1.8 GHz Thunder
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ChipsetApple A13 Bionic-
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GPUApple GPU (4-core graphics)Mali-400
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Internal storage64, 256 GB32 GB
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Memory RAM3 GB1 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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OSiPadOS 15, upgradable to iPadOS 15.1Android 8.1 Oreo Go Edition
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Main camera
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Camera typeSingleSingle
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Main camera(standard) , 8 MP, f/2.4 , 31 mm, 1.12 µm8 MP
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Primary camera video1080p@25/30fps, 720p@120fps; gyro-EIS720p@30fps
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Primary camera flash-LED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, exposure compensation, self-timer-
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Selfie camera
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Selfie camera typeSingle-
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Selfie camera(ultrawide) , 12 MP, f/2.4 , 122˚8 MP
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Selfie camera featuresHDR, face unlock, self-timer, exposure compensation, face detection, center stage-
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Selfie camera video1080p@25/30/60fps, gyro-EIS720p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual BandYes-
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USBLightning, USB 2.0microUSB 2.0
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USB connectormagnetic connector-
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Bluetoothv4.2v4.1
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth EDRYes-
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NFCNo-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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Features
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SensorsAccelerometer, barometer, compass, fingerprint, gyroscopeAccelerometer
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity8557 mAh2200 mAh
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Battery removableNon-removableRemovable
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Tests and performance
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Antutu617292 (v9)-
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Geekbench(multi-core)3124 (v5.2)-
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Cost
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Price430 USD75 USD
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