Karbonn K451+ Sound Wave vs Micromax A28 Bolt
Karbonn K451+ Sound Wave
Micromax A28 Bolt
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-122014-12
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Status2014-12
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM)
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Height116.5 mm116.9 mm
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Width51.9 mm62.5 mm
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Thickness14.6 mm12.5 mm
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Weight89 g
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ColorsSilver/BlackBlack
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Display
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Display typeTFTTFT capacitive touchscreen
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Physical size2.4 inches3.5 inches
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Resolution240 x 320 pixels320 x 480 pixels
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Pixel density167 ppi165 ppi
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Display colors6656066560
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Hardware
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CPU1 GHz ARM Cortex-A5
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GPU-Mali-300
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Memory RAM-256 MB
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Internal storage-512 MB
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Memory cardmicroSDmicroSD
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Memory card max8 GB32 GB
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Main camera
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Main camera1.3 MP
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Primary camera resolution1280 x 1024 pixels640 x 480 pixels
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Primary camera videovideo320p
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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, Polyphonic, MP3 ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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Radio FMFM radioFM radio
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Radio recordingFM recordingFM recording
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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USBYesYes
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BluetoothYesv2.1
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Bluetooth A2DP-Yes
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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 Email-Email
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Messaging IM-IM
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JavaYesYes, via Java MIDP emulator
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Browser
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HTML-Yes
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1800 mAh1500 mAh
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Talk time8 h4 h
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Standby time500 h260 h
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OS
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OS-Android OS, v2.3 (Gingerbread)
