Micromax A28 Bolt vs Samsung Comment 2 R390C
Micromax A28 Bolt
Samsung Comment 2 R390C
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Network
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2G networkGSM 900, 1800CDMA 850, 1700, 1900, 2100
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-122012-10
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Status2014-122012-10
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height116.9 mm110 mm
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Width62.5 mm61 mm
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Thickness12.5 mm10.9 mm
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Weight89 g95 g
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Keyboard-QWERTY
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ColorsBlackBlack
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size3.5 inches2.4 inches
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Resolution320 x 480 pixels320 x 240 pixels
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Pixel density165 ppi167 ppi
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Display colors66560262144
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Hardware
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CPU1 GHz ARM Cortex-A5
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GPUMali-300-
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Memory RAM256 MB-
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Internal storage512 MB256 MB
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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, v2.3 (Gingerbread)-
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Main camera
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Main camera2 MP
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Primary camera resolution640 x 480 pixels1600 x 1200 pixels
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Primary camera video320p176x144
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Selfie camera
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Secondary cameraVGA cameraNo
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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, MP3 ringtones
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Multimedia
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Radio-No
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Radio FMFM radio-
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Radio recordingFM recording-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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USBYesmicroUSB 2.0
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Bluetoothv2.1v2.1
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Bluetooth A2DPYesYes
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GPSNoNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorNo
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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 capacity1500 mAh1000 mAh
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Talk time4 h4 h
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Standby time260 h264 h
