Amazon Kindle Fire vs NIU C21A
Amazon Kindle Fire
NIU C21A
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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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Status2011-112013-4
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Oficially announced2011-92013-3
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Design
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SIMNoDual SIM (Mini-SIM)
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Height190 mm106 mm
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Width120 mm45 mm
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Thickness11.4 mm14.5 mm
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Weight413 g73 g
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ColorsBlackBlack, Blue, Fuchsia, Green, Purple, Red, White
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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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Resolution600 x 1024 pixels128 x 160 pixels
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Pixel density170 ppi114 ppi
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Display colors16777216262144
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Hardware
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CPUDual-core 1 GHz ARM Cortex-A9
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ChipsetTI OMAP 4430-
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GPUPowerVR SGX540-
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Memory RAM512 MB-
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Internal storage8 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, v2.3 (customized)-
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsN/AVibration, Polyphonic
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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 802.11b, 802.11g, 802.11n
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USBYesYes
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Bluetoothv2.0
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GPSNoNo
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Features
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Messaging SMS-SMS
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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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HTMLHTML (Amazon Silk)-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity4400 mAh600 mAh
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Battery removableNon-removable-
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Talk time-4 h
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Standby time-200 h
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Main camera
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Primary camera resolution-640 x 480 pixels
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Primary camera video-no
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Camera features-No
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Selfie camera
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Secondary camera-No
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