Amazon Kindle Fire HDX 8.9 vs Karbonn Titanium Wind W4
Amazon Kindle Fire HDX 8.9
Karbonn Titanium Wind W4
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPAHSDPA 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 speedLTE-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2013-92014-9
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Status2013-112014-9
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Design
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SIMMicro-SIMDual SIM
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Height231 mm125.1 mm
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Width158 mm64.3 mm
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Thickness7.8 mm11 mm
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Weight374 g
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ColorsBlackBlack, Red, White
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Display
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Display typeIPS LCD capacitive touchscreenCapacitive touchscreen
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Physical size8.9 inches4.0 inches
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Resolution2560 x 1600 pixels480 x 800 pixels
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Pixel density339 ppi233 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 2.2 GHz Krait 400Quad-core 1.2 GHz
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ChipsetQualcomm Snapdragon 800-
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GPUAdreno 330-
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Memory RAM2 GB512 MB
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Internal storage16, 32, 64 GB4 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)Microsoft Windows Phone 8.1
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Main camera
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Main camera8 MP5 MP
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Primary camera resolution3264 x 2448 pixels2592 x 1944 pixels
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Primary camera videovideovideo
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED flashLED flash
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Camera features-Yes
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Selfie camera
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Secondary camera-VGA camera
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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-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 Dual BandYes-
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesYes
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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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JavaNoNo
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Sensors-Yes
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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-1950 mAh
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Battery removableNon-removable-
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Talk time12 h8 h
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Standby time-240 h