Celkon A79 vs Micromax A28 Bolt
Celkon A79
Micromax A28 Bolt
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 850, 900, 2100-
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HSDPA speedHSDPA-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2013-12014-12
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Status2013-12014-12
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM)
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Height115 mm116.9 mm
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Width62 mm62.5 mm
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Thickness13 mm12.5 mm
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Weight98 g89 g
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ColorsBlackBlack
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size3.5 inches3.5 inches
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Resolution320 x 420 pixels320 x 480 pixels
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Pixel density151 ppi165 ppi
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Display colors-66560
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Hardware
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CPUDual-core 1 GHz1 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 max16 GB32 GB
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OS
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OSAndroid OS, v2.3.5 (Gingerbread)Android OS, v2.3 (Gingerbread)
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Main camera
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Main camera3.15 MP
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Primary camera resolution2048 x 1536 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 recording-FM recording
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Connectivity
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WLANWi-FiWi-Fi 802.11b, 802.11g, 802.11n
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USBmicroUSB 2.0Yes
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BluetoothYesv2.1
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Bluetooth A2DP-Yes
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GPSYesNo
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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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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 capacity1300 mAh1500 mAh
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Talk time3 h4 h
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Standby time400 h260 h
