Acer Iconia B1-721 vs Amazon Kindle Fire HD 8.9
Acer Iconia B1-721
Amazon Kindle Fire HD 8.9
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Network
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2G networkGSM 850, 900, 1800, 1900
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3G networkHSDPA-
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HSDPA speedHSDPA-
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HSUPA speedHSUPA-
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-12012-9
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Status2014-12012-10
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Design
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SIMYesNo
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Height199 mm240 mm
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Width122.3 mm164 mm
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Thickness11.4 mm8.8 mm
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Weight323 g567 g
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ColorsBlack/RedBlack
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size7.0 inches8.9 inches
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Resolution600 x 1024 pixels1920 x 1200 pixels
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Pixel density170 ppi254 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.3 GHzDual-core 1.5 GHz ARM Cortex-A9
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ChipsetMediatek MT8312TI OMAP 4470
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GPUMali-400PowerVR SGX544
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Memory RAM1 GB1 GB
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Internal storage16 GB16, 32 GB
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Memory cardmicroSD
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Memory card max32 GB-
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OS
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OSAndroid OS, v4.2 (Jelly Bean)Android OS, v4.0 (customized)
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Main camera
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Main camera1.3 MP
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Primary camera resolution640 x 480 pixels1280 x 1024 pixels
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Primary camera videovideono
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsN/AN/A
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.02.0
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BluetoothYesYes
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GPSYesNo
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Features
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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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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLHTML5HTML5 (Amazon Silk)
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2955 mAh-
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Battery removable-Non-removable
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Talk time--
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Standby time--
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