Amazon Kindle Fire HDX 8.9 vs verykool s5025 Helix
Amazon Kindle Fire HDX 8.9
verykool s5025 Helix
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPAHSDPA 850, 1700(AWS), 1900
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4G networkLTE-
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HSDPA speed-21.1 Mbps
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HSUPA speed-5.76 Mbps
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HSPA+ speedHSPA+-
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LTE speedLTE-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2013-92015-12
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Status2013-112015-12
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Design
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SIMMicro-SIMDual SIM (Micro-SIM, dual stand-by)
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Height231 mm143.5 mm
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Width158 mm72.5 mm
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Thickness7.8 mm7.9 mm
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Weight374 g136 g
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ColorsBlackVarious
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size8.9 inches5.0 inches
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Resolution2560 x 1600 pixels720 x 1280 pixels
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Pixel density339 ppi294 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 2.2 GHz Krait 400Quad-core 1.3 GHz ARM Cortex-A7
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ChipsetQualcomm Snapdragon 800Mediatek MT6580
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GPUAdreno 330Mali-400
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Memory RAM2 GB1 GB
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Internal storage16, 32, 64 GB8 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, v5.1 (Lollipop)
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Main camera
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Main camera8 MP13 MP
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Primary camera resolution3264 x 2448 pixels-
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Primary camera videovideo1080p@30fps
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED flashLED flash
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Camera features-Geo-tagging, face detection, panorama, touch focus
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Selfie camera
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Selfie camera5 MP
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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, Polyphonic, MP3 ringtonesVibration; MP3, WAV 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, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv4.0
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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GPSYes, with A-GPSYes, with A-GPS
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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 IMIMIM
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Messaging Push EmailPush Email-
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Messaging Push Mail-Push Mail
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JavaNoNo
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Sensors-Accelerometer, proximity
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Browser
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HTMLHTML5 (Amazon Silk)HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-1950 mAh
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Battery removableNon-removableNon-removable
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Talk time12 h-
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Talk time 3G-7 h
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Standby time--
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Standby time 3G-240 h
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