Amazon Kindle Fire HDX vs HP Slate7 VoiceTab Ultra
Amazon Kindle Fire HDX
HP Slate7 VoiceTab Ultra
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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, 900, 1900, 2100
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4G networkLTE-
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HSPA+ speedHSPA+-
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HSPA speed-HSPA
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LTE speedLTELTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2013-92015-3
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Status2013-102015-3
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Design
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SIMMicro-SIMMicro-SIM/ Optional Dual SIM
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Height186 mm183.5 mm
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Width128 mm103.9 mm
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Thickness9 mm7.2 mm
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Weight303 g239 g
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ColorsBlackChampagne
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Display
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Display typeIPS LCD capacitive touchscreenLTPS LCD capacitive touchscreen
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Physical size7.0 inches7.0 inches
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Resolution1200 x 1920 pixels1200 x 1920 pixels
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Pixel density323 ppi323 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 2.2 GHz Krait 400Quad-core 1.6 GHz ARM Cortex-A9
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ChipsetQualcomm Snapdragon 800HiSilicon Balong V9R1
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GPUAdreno 330-
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Memory RAM2 GB2 GB
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Internal storage16, 32, 64 GB16 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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Main camera
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Main camera1.3 MP13 MP
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Primary camera resolution1280 x 1024 pixels4128 x 3096 pixels
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Primary camera video720p1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera features-Geo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Secondary cameraNo-
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Selfie camera5 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes, with stereo speakers
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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RadioNoNo
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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 Dual BandYes-
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv4.0
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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 EmailPush Email
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JavaNoYes, via Java MIDP emulator
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Sensors-Accelerometer, compass, gyro, 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-Po
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Battery capacity-5000 mAh
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Battery removableNon-removableNon-removable
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Talk time11 h-
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Talk time 3G-10 h
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Standby time--
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Standby time 3G-480 h