BLU J4 vs Nokia 2720 Flip
BLU J4
Nokia 2720 Flip
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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, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - EU; LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - MENA, APAC, GCR
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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 Cat 4, 150 Mbps download, 50 Mbps upload
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GPRSYes-
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EDGEYes-
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Availability
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Oficially announced2019-102019-9
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Status2019-102019-9
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Design
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BuildPlastic-
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SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height151 mm192.7 mm
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Width72.3 mm54.5 mm
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Thickness10 mm11.6 mm
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Weight158 g118 g
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ColorsBlack, Blue, BrownBlack, Grey
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Display
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Display typeIPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size5.5 inches2.8 inches
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Resolution720 x 1440 pixels240 x 320 pixels
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Pixel density293 ppi143 ppi
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Display colors16777216262144
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MultitouchYes-
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Additional display-TFT capacitive touchscreen
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Resolution of additional display-240 x 240 pixels
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Size of additional display-1.3 inches
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A7Dual-core 1.1 GHz Cortex-A7
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Chipset-Qualcomm MSM8905 Snapdragon 205
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GPUMali-400Adreno 304
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Memory RAM1 GB4 GB
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Internal storage32 GB512 MB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB32 GB
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StorageeMMC 5.1-
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OS
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OSAndroid 8.1 Oreo Go EditionKaiOS
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Main camera
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Camera typeSingleSingle
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Main camera8 MP2 MP
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Primary camera video720p@30fpsYes
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Primary camera flashLED flashLED flash
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Selfie camera
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Selfie camera8 MP
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Selfie camera video720p@30fps1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYes-
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Multimedia
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RadioFM RadioFM 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 HotspotYesYes
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WLAN WiFi DirectYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.1v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Features
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SensorsAccelerometer-
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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 mAh1500 mAh
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Battery removableRemovableRemovable
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Fast battery charging-Yes
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Cost
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Price75 USD100 USD