Karbonn A21 vs Lenovo Yoga Tablet 8
Karbonn A21
Lenovo Yoga Tablet 8
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 900, 2100
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HSDPA speedHSDPA, 7.2 Mbps-
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HSPA+ speed-HSPA+
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122013-10
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Status2013-10
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Design
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SIMDual SIM (Mini-SIM)Micro-SIM
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Height213 mm
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Width144 mm
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Thickness7.3 mm
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Weight401 g
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ColorsPearl WhiteGray
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.5 inches8.0 inches
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Resolution480 x 800 pixels1280 x 800 pixels
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Pixel density207 ppi189 ppi
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Display colors26214416777216
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Hardware
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CPUDual-core 1.2 GHzQuad-core 1.2 GHz ARM Cortex-A7
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Chipset-Mediatek MT8125
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GPU-PowerVR SGX544
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Memory RAM512 MB1 GB
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Internal storage4 GB16, 32 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB64 GB
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OS
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OSAndroid OS, v4.0 (Ice Cream Sandwich)Android OS, v4.2 (Jelly Bean)
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Main camera
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Main camera5 MP5 MP
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Primary camera resolution2592 x 1944 pixels2592 x 1936 pixels
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Primary camera videovideovideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Selfie camera1.3 MP1.6 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration, MP3, WAV ringtonesVibration, Polyphonic, MP3 ringtones
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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 802.11b, 802.11g, 802.11n
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv2.1v4.0
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Bluetooth A2DPYes-
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GPSYes, with A-GPSYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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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 emulatorYes, via Java MIDP emulator
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1800 mAh6000 mAh
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Battery removable-Non-removable
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Talk time5 h-
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Talk time 3G-18 h
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Standby time200 h-
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