Jolla Tablet vs Karbonn A7 Star
Jolla Tablet
Karbonn A7 Star
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Network
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2G networkGSM 900, 1800, 1900
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-112014-12
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Status2015-52014-12
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Design
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SIMNoDual SIM
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Height203 mm113 mm
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Width137 mm66 mm
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Thickness8.3 mm10.4 mm
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Weight384 g
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ColorsBlackWhite/Black
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Display
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Display typeIPS LCD capacitive touchscreenCapacitive touchscreen
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Physical size7.85 inches4.5 inches
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Resolution1536 x 2048 pixels480 x 854 pixels
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Pixel density330 ppi218 ppi
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Display colors16777216-
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Hardware
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CPUQuad-core 1.8 GHzDual-core 1 GHz ARM Cortex-A9
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ChipsetIntelMediatek MT6517
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GPU-PowerVR SGX531u
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Memory RAM2 GB-
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Internal storage32, 64 GB164 MB
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Memory cardmicroSDmicroSD
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Memory card max128 GB32 GB
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OS
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OSSailfish OS, v2.0Android OS, v4.0 (Ice Cream Sandwich)
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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 1944 pixels
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Primary camera video1080p@60fpsvideo
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Primary camera Autofocusautofocus-
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Primary camera flash-LED flash
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Camera featuresGeo-tagging-
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Selfie camera
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Secondary camera-Yes
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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, 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
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WLAN WiFi HotspotYes-
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USBmicroUSB 2.0Yes
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USB hostYes-
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Bluetoothv4.0Yes
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GPSYesNo
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GLONASSYes-
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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 Email-
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer, compass, gyro, proximity-
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity4450 mAh1400 mAh
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Battery removableNon-removable-
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Talk time-5 h
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Standby time-135 h