BLU Touch vs Karbonn A4
BLU Touch
Karbonn A4
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 1900
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3G network-HSDPA 900, 2100
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HSDPA speed-HSDPA
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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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Oficially announced20112013-3
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Status2013-3
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM)
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Height109 mm124.8 mm
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Width56 mm66 mm
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Thickness12.5 mm9.5 mm
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Weight120 g75 g
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ColorsBlack, Green, Orange, Pink, Silver, WhiteWhite/Black
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Display
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Display typeTFT resistive touchscreenTFT capacitive touchscreen
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Physical size3.2 inches4.0 inches
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Resolution-320 x 480 pixels
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Pixel density-144 ppi
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Display colors262144262144
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Hardware
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Memory RAM256 MB-
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Internal storage512 MB256, 512 MB
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Memory cardmicroSDmicroSD
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Memory card max16 GB32 GB
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Main camera
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Main camera3.15 MP3.15 MP
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Primary camera resolution2048 x 1536 pixels2048 x 1536 pixels
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Primary camera video320p@15fpsvideo
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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, WAV ringtonesVibration, MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radio with RDSFM radio
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Connectivity
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WLANWi-Fi
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WLAN WiFi Hotspot-Yes
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USB2.0Yes
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Bluetoothv2.0Yes
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Bluetooth A2DPYes-
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GPSNoNo
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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 IM-IM
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WAPWAP 2.0/xHTML-
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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-IonLi-Ion
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Battery capacity1000 mAh1400 mAh
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Talk time5 h 30 min4 h 20 min
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Standby time390 h250 h
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OS
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OS-Android OS, v2.3.6 (Gingerbread)
