BlackBerry Bold Touch 9900 vs Celkon A20
BlackBerry Bold Touch 9900
Celkon A20
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 850, 1900, 2100, 800HSDPA 2100
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HSDPA speedHSDPA, 14.4 Mbps-
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HSUPA speedHSUPA, 5.76 Mbps-
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Speed Yes-Yes, 384 kbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2011-52013-8
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Status2011-82013-8
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height115 mm
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Width66 mm
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Thickness10.5 mm
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Weight130 g
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KeyboardQWERTY-
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ColorsBlack, WhiteBlack
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size2.8 inches4.0 inches
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Resolution640 x 480 pixels480 x 800 pixels
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Pixel density286 ppi233 ppi
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Display colors16777216-
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Hardware
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CPU1.2 GHz QC 86551.2 GHz Dual-core
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Memory ROM-256 MB
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Memory RAM768 MB512 MB
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Internal storage8 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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OSBlackBerry OS 7.0Android OS, v4.2.0 (Jelly Bean)
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Main camera
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Camera typePhoto / Video-
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Main camera5 MP3.15 MP
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Primary camera resolution2592 x 1944 pixels2048 x 1536 pixels
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Primary camera video720pvideo
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraNoVGA camera
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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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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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Bluetoothv2.1Yes
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Bluetooth A2DPYes-
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Bluetooth EDRYes-
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GPSYes, with A-GPSNo
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GPS MapsBlackBerry Maps-
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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 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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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1230 mAh1500 mAh
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Talk time--
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Talk time 2G6 h 30 min-
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Talk time 3G5 h 50 min-
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Standby time--
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Standby time 2G307 h-
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Standby time 3G307 h-
