Amazon Kindle Fire HD (2013) vs Celkon A21
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Amazon Kindle Fire HD (2013)
Celkon A21
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Network
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2G networkGSM 900, 1800
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3G network-HSDPA 2100
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HSDPA speed-HSDPA
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2013-92014-12
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Status2013-92014-12
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Design
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SIMNoDual SIM (dual stand-by)
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Height191 mm124.8 mm
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Width128 mm66.1 mm
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Thickness10.6 mm10.8 mm
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Weight345 g115.3 g
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ColorsBlackBlack, Blue, Red
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Display
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Display typeIPS LCD capacitive touchscreenCapacitive touchscreen
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Physical size7.0 inches4.0 inches
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Resolution800 x 1280 pixels320 x 480 pixels
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Pixel density216 ppi144 ppi
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Display colors16777216-
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Hardware
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CPUDual-core 1.5 GHzDual-core 1.2 GHz
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Chipset-Mediatek MT6582
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Memory ROM-512 MB
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Memory RAM1 GB256 MB
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Internal storage8, 16 GB-
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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)Android OS, v4.2.2 (Jelly Bean)
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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NotificationsN/AVibration, Polyphonic, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0Yes
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BluetoothYesv4.0
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GPSNoNo
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIM-
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Messaging Push EmailPush Email-
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JavaNoYes, via Java MIDP emulator
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Browser
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HTMLHTML5 (Amazon Silk)Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-1500 mAh
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Battery removableNon-removable-
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Talk time10 h-
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Talk time 3G-8 h
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Standby time--
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Standby time 3G-120 h
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Main camera
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Main camera3.15 MP
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Primary camera video-video
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Selfie camera
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Selfie camera1.3 MP
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