Amazon Kindle Fire HDX vs NIU GO 21
Amazon Kindle Fire HDX
NIU GO 21
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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-
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4G networkLTE-
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HSPA+ speedHSPA+-
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LTE speedLTE-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2013-92014-5
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Status2013-102014-6
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Design
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SIMMicro-SIMDual SIM (Mini-SIM)
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Height186 mm105 mm
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Width128 mm44.9 mm
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Thickness9 mm14.2 mm
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Weight303 g66 g
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ColorsBlackBlack, Blue, Gray, Green, Orange, Red
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Display
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Display typeIPS LCD capacitive touchscreenTFT
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Physical size7.0 inches1.8 inches
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Resolution1200 x 1920 pixels128 x 160 pixels
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Pixel density323 ppi114 ppi
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Display colors1677721666560
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Hardware
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CPUQuad-core 2.2 GHz Krait 400
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ChipsetQualcomm Snapdragon 800-
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GPUAdreno 330-
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Memory RAM2 GB-
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Internal storage16, 32, 64 GB64 Mbit
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSAndroid OS, v4.x (Jelly Bean)-
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Main camera
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Main camera1.3 MP
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Primary camera resolution1280 x 1024 pixels640 x 480 pixels
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Primary camera video720pno
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv2.1
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Bluetooth EDR-Yes
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GPSYes, with A-GPSNo
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Features
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Messaging SMS-SMS
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Messaging MMS-MMS
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Messaging EmailEmail-
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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WAP-Yes
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JavaNoNo
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Browser
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HTMLHTML5 (Amazon Silk)-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-650 mAh
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Battery removableNon-removable-
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Talk time11 h6 h
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Standby time-200 h
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