Karbonn A21 vs Karbonn Titanium Octane Plus
Karbonn A21
Karbonn Titanium Octane Plus
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Network
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2G networkGSM 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA
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HSDPA speedHSDPA, 7.2 MbpsHSDPA, 42.2 Mbps
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HSUPA speed-HSUPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2014-4
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Oficially announced2014-122014-3
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Design
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SIMDual SIM (Mini-SIM)Dual SIM
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Height147.3 mm
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Width72.6 mm
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Thickness7.6 mm
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Weight
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ColorsPearl WhiteBlack, White
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.5 inches5.0 inches
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Resolution480 x 800 pixels1080 x 1920 pixels
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Pixel density207 ppi441 ppi
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Display colors26214416777216
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Hardware
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CPUDual-core 1.2 GHzOcta-core 1.7 GHz ARM Cortex-A7
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Chipset-Mediatek MT6592
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GPU-Mali-450MP4
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Memory RAM512 MB2 GB
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Internal storage4 GB16 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, v4.0 (Ice Cream Sandwich)Android OS, v4.4.2 (KitKat)
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Main camera
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Main camera5 MP16 MP
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Primary camera resolution2592 x 1944 pixels3456 x 4608 pixels
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Primary camera videovideovideo
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED flashLED flash
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Selfie camera
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Selfie camera1.3 MP8 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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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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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.1v4.0
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Bluetooth A2DPYes-
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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 EmailPush Email
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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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 capacity1800 mAh2000 mAh
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Talk time5 h-
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Standby time200 h-
