BlackBerry PlayBook WiMax vs Celkon A77
BlackBerry PlayBook WiMax
Celkon A77
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Network
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2G networkGSM 850, 900, 1800, 1900
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GPRSYes
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EDGE
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Availability
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Oficially announced2010-92012-12
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Status2012-12
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Design
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SIMNoDual SIM (Mini-SIM)
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Height194 mm118 mm
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Width130 mm61 mm
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Thickness10 mm13.5 mm
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Weight425 g104 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 size7.0 inches3.5 inches
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Resolution600 x 1024 pixels320 x 420 pixels
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Pixel density170 ppi151 ppi
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Display colors16777216-
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Hardware
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CPUDual-core 1 GHz ARM Cortex-A91 GHz
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ChipsetTI OMAP 4430-
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GPUPowerVR SGX540-
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Memory RAM1 GB-
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Internal storage16, 32, 64 GB-
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSBlackBerry Tablet OSAndroid OS, v2.3 (Gingerbread)
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Main camera
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Main camera5 MP2 MP
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Primary camera resolution2592 x 1944 pixels1600 x 1200 pixels
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Primary camera video1080pvideo
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Primary camera Autofocusautofocus-
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Selfie camera
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Secondary camera-Yes
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Selfie camera3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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NotificationsN/AVibration, Polyphonic, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-Stereo 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 Dual BandYes-
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WLAN wimaxWiMAX 802.16 e-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.1Yes
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Bluetooth A2DPYes-
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Bluetooth EDRYes-
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GPSNoNo
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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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JavaYesYes, via Java MIDP emulator
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Java MIDPMIDP 2.1-
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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-PoLi-Ion
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Battery capacity5300 mAh1300 mAh
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Battery removableNon-removable-
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Talk time-4 h 45 min
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Standby time-130 h
