BLU J4 vs BlackBerry Key2
BLU J4
BlackBerry Key2
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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 frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 19(800), 20(800), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500) - EU, Africa, AU; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 14(700), 17(700), 20(800), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) - Canada, US, LATAM; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 19(800), 20(800), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500) - ME, APAC, India; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - China
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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-A speed-LTE-A, (3CA) Cat11, 600 Mbps download, 75 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2019-102018-6
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Status2019-102018-6
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Design
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BuildPlasticAluminum frame (7000 series), plastic back
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SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) - BBF100-6 only
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Height151 mm151.4 mm
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Width72.3 mm71.8 mm
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Thickness10 mm8.5 mm
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Weight158 g168 g
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Keyboard-QWERTY
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ColorsBlack, Blue, BrownBlack, Silver
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.5 inches4.5 inches
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Resolution720 x 1440 pixels1080 x 1620 pixels
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Pixel density293 ppi434 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass 3
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 2.2 GHz Kryo 260
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CPU(second)quad-core 1.8 GHz Kryo 260
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Chipset-Qualcomm SDM660 Snapdragon 660
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GPUMali-400Adreno 512
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Memory RAM1 GB6 GB
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Internal storage32 GB64, 128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max64 GB256 GB
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StorageeMMC 5.1-
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OS
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OSAndroid 8.1 Oreo Go EditionAndroid 8.1 (Oreo)
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Main camera
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Camera typeSingleDual
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Main camera8 MP12 MP, f/1.8 , 1/2.3" , 1.55 µm
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12 MP, f/2.6 , 1.55 µm
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Primary camera resolution-4048 x 3036 pixels
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Primary camera video720p@30fps2160p@30fps, 1080p@30fps
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Primary camera Autofocus-phase detection autofocus
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Primary camera flashLED flashdual-LED dual-tone flash
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Camera features-Geo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera8 MP8 MP, f/2.0 , 1.12 µm
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Selfie camera resolution-3264 x 2448 pixels
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Selfie camera video720p@30fps1080p
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Notifications-Vibration; MP3, WAV ringtones
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EarpieceYesYes
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Multimedia
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RadioFM Radio-
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Radio FM-FM radio
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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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USB On-The-Go-Yes
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Bluetoothv4.1v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth EDR-Yes
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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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BDS-BDS2
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Features
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Messaging SMS-SMS
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Messaging Push Email-Push Email
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BlackBerry Messenger-BBM
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SensorsAccelerometerFingerprint (front-mounted), accelerometer, compass, gyro, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2200 mAh3500 mAh
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Battery removableRemovableNon-removable
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Fast battery charging-Quick Charge 3.0(50% in 36 min)
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Cost
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Price75 USD-
