Huawei U8520 Duplex vs Karbonn Smart Tab2
Huawei U8520 Duplex
Karbonn Smart Tab2
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Network
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2G networkGSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100-
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HSDPA speedHSDPA, 7.2 Mbps-
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UL speedUL, 384 kbps-
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2011-102014-12
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Status2011-102014-12
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Design
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SIMDual SIM (Mini-SIM, dual stand-by)No
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Height112 mm
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Width57 mm
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Thickness12.7 mm
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Weight109 g
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ColorsBlackBlack/White
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size3.2 inches7.0 inches
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Resolution320 x 480 pixels480 x 800 pixels
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Pixel density180 ppi133 ppi
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Display colors262144-
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Hardware
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CPU600 MHz ARM 111.2 GHz
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ChipsetQualcomm MSM7227-1-
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GPUAdreno 200-
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Memory ROM512 MB-
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Memory RAM256 MB512 MB
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Internal storage150 MB1 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Memory card included2 GB-
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OS
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OSAndroid OS, v2.2 (Froyo)Android OS, v4.1 (Jelly Bean)
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Main camera
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Main camera3.15 MP2 MP
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Primary camera resolution2048 x 1536 pixels1600 x 1200 pixels
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Primary camera video480pvideo
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Selfie camera
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Secondary cameraVGA cameraNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3 ringtonesN/A
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Multimedia
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Radio-No
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Radio FMStereo FM radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0Yes
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Bluetoothv2.1v4.0
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Bluetooth A2DPYes-
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Bluetooth EDRYes-
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push Email-Push Email
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WAPWAP 2.0/xHTML-
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLYesYes
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Adobe FlashYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1500 mAh3700 mAh
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Battery removable-Non-removable
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Talk time-7 h
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Talk time 2G7 h-
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Talk time 3G7 h 30 min-
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Standby time--
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Standby time 2G120 h-
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Standby time 3G120 h-
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