Apple iPad mini (2021) vs BLU J4
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Apple iPad mini (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 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, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71-
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5G network5G band 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 29, 30, 38, 40, 41, 48, 66, 71, 77, 78, 79 SA/NSA-
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HSDPA speed42.2 Mbps21.1 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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EV-DO speed3.1 Mbps download, 1.8 Mbps upload-
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LTE speedLTE-A (2CA), 1 Gbps download, 500 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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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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Height195.4 mm151 mm
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Width134.8 mm72.3 mm
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Thickness6.3 mm10 mm
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Weight293 (Wi-Fi)/297 (LTE) g158 g
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StylusYes-
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ColorsPink, Purple, Space Gray, StarlightBlack, Blue, Brown
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Display
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Display typeLiquid Retina IPS LCDIPS LCD capacitive touchscreen
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Physical size8.3 inches5.5 inches
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Resolution1488 x 2266 pixels720 x 1440 pixels
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Pixel density327 ppi293 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, oleophobic coating, liquid retina display-
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Multitouch-Yes
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Display featuresWide color gamut display, True-tone display, 500 nits (typ)-
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Hardware
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CPUHexa-core-
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CPUDual-core 3.1 GHz FirestormQuad-core 1.3 GHz Cortex-A7
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CPU(second)quad-core 1.8 GHz Icestorm
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ChipsetApple A15 Bionic-
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GPUApple GPU (5-core graphics)Mali-400
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Memory RAM4 GB1 GB
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Internal storage64, 256 GB32 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 15Android 8.1 Oreo Go Edition
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Main camera
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Camera typeSingleSingle
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Main camera(wide) , 12 MP, f/1.8 , 5x digital zoom8 MP
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Primary camera resolution4032 x 3024 pixels-
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Primary camera video4K@24/25/30/60fps, 1080p@25/30/60/120/240fps; gyro-EIS720p@30fps
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Primary camera flashQuad-LED dual-tone flashLED flash
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Camera featuresAutofocus, continuous autofocus, continuous shooting, digital zoom, optical zoom, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, phase detection autofocus, RAW, smart HDR 3-
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Selfie camera
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Selfie camera typeSingle-
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Selfie camera(wide) , 12 MP, f/2.4 , 122˚8 MP
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Selfie camera resolution4032 x 3024 pixels-
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Selfie camera featuresDigital image stabilization, face unlock, HDR, center stage, smart HDR 3-
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Selfie camera video1080p@25/30/60fps, gyro-EIS720p@30fps
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Sound
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3.5mm jackNoYes
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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 5 GHz, 802.11ac, 802.11axWi-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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USBType-C 3.1, DisplayPortmicroUSB 2.0
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Bluetoothv5.0v4.1
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Bluetooth A2DPA2DPYes
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bluetooth LE-Yes
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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-PoLi-Po
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Battery capacity5124 mAh2200 mAh
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Battery removableNon-removableRemovable
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Fast battery chargingYes-
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Fast wireless chargingQi magnetic fast wireless charging, MagSafe wireless charging-
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Talk time10 h-
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Tests and performance
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Antutu839675 (v9)-
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Geekbench(single-core)1596 (v5.2)-
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Geekbench(multi-core)4558 (v5.2)-
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Cost
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Price500 USD75 USD
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