Karbonn A27 Retina vs Lenovo Tab 2 A7-20
Karbonn A27 Retina
Lenovo Tab 2 A7-20
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Network
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2G networkGSM 900, 1800, 1900No
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3G networkHSDPA 2100-
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HSDPA speedHSDPA, 7.2 Mbps-
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GPRSYesNo
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EDGEYesNo
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Availability
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Oficially announced2013-32015-1
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Status2013-32015-1
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Design
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SIMDual SIM (Mini-SIM)No
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Height133.6 mm189 mm
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Width66 mm105 mm
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Thickness9.1 mm9.3 mm
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Weight126.5 g269 g
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ColorsBlackBlack
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.3 inches7.0 inches
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Resolution540 x 960 pixels600 x 1024 pixels
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Pixel density256 ppi170 ppi
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Display colors-16777216
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Multitouch-Yes, max 5 fingers
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Hardware
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CPUDual-core 1.2 GHzQuad-core 1.3 GHz ARM Cortex-A7
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Chipset-Mediatek MT8127
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GPU-Mali-450MP4
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Memory RAM512 MB1 GB
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Internal storage4 GB8, 16 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v4.1 (Jelly Bean)Android OS, v4.4 (KitKat)
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Main camera
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Main camera8 MP2 MP
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Primary camera resolution3264 x 2448 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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Secondary camera-VGA camera
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Selfie camera2 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM 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 HotspotYesYes
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WLAN WiFi DirectYes-
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USBYesmicroUSB 2.0
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BluetoothYesv4.0
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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 Email-
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Messaging Push Mail-Push Mail
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JavaYes, via Java MIDP emulatorNo
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Sensors-Accelerometer
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1800 mAh3450 mAh
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Battery removable-Non-removable
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Talk time4 h8 h
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Standby time180 h432 h
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