Amazon Fire HD 8 vs NIU GO 21
Amazon Fire HD 8
NIU GO 21
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Network
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2G networkGSM 850, 900, 1800, 1900
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GPRSYes
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EDGE
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Availability
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Oficially announced2015-92014-5
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Status2015-92014-6
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Design
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SIMNoDual SIM (Mini-SIM)
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Height214 mm105 mm
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Width128 mm44.9 mm
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Thickness7.7 mm14.2 mm
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Weight311 g66 g
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ColorsBlack, Blue, Magenta, TangerineBlack, Blue, Gray, Green, Orange, Red
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Display
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Display typeIPS LCD capacitive touchscreenTFT
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Physical size8.0 inches1.8 inches
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Resolution800 x 1280 pixels128 x 160 pixels
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Pixel density189 ppi114 ppi
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Display colors1677721666560
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Hardware
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CPUQuad-core 1.5 GHz
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Memory RAM1 GB-
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Internal storage8, 16 GB64 Mbit
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Memory cardmicroSDmicroSD
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Memory card max128 GB32 GB
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OS
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OSAndroid OS (customized)-
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Main camera
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Main camera5 MP
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Primary camera resolution2592 x 1944 pixels640 x 480 pixels
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Primary camera video1080pno
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Camera featuresYes-
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Selfie camera
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Secondary camera-No
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Selfie camera video720p-
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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; MP3, WAV 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, 802.11ac
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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 A2DPYes-
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bluetooth LEYes-
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Bluetooth EDR-Yes
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GPSNoNo
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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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SensorsAccelerometer, gyro-
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Browser
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HTMLHTML5-
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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 time8 h6 h
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Standby time-200 h
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