BlackBerry Bold 9780 vs Celkon A77
BlackBerry Bold 9780
Celkon A77
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 1900, 2100-
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HSDPA speedHSDPA-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2010-102012-12
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Status2010-112012-12
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height109 mm118 mm
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Width60 mm61 mm
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Thickness14 mm13.5 mm
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Weight122 g104 g
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KeyboardQWERTY-
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ColorsBlack, WhiteBlack, White
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Display
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Display typeTFTTFT capacitive touchscreen
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Physical size2.44 inches3.5 inches
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Resolution480 x 360 pixels320 x 420 pixels
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Pixel density246 ppi151 ppi
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Display colors66560-
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Hardware
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CPU624 MHz1 GHz
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Memory RAM512 MB-
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Internal storage256 MB-
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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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OSBlackBerry OS 6.0Android OS, v2.3 (Gingerbread)
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Main camera
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Camera typePhoto-
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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 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 cameraNoYes
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration, 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 802.11b, 802.11gWi-Fi
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WLAN umaYes-
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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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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMSSMS(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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JavaYesYes, via Java MIDP emulator
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Java MIDPMIDP 2.0-
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity1500 mAh1300 mAh
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Talk time-4 h 45 min
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Talk time 2G6 h-
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Talk time 3G6 h-
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Standby time-130 h
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Standby time 2G528 h-
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Standby time 3G408 h-
