Karbonn K440 vs Micromax X78
Karbonn K440
Micromax X78
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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GPRSYesYes
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EDGEYes
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Availability
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Status
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Oficially announced2014-122014-12
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM, dual stand-by)
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Height119.5 mm106 mm
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Width54 mm57 mm
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Thickness13.5 mm15 mm
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Weight140 g
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Keyboard-QWERTY
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ColorsBlack/White, Black/RedBlack, white
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Display
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Display typeTFTTFT resistive touchscreen
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Physical size2.6 inches2.8 inches
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Resolution240 x 320 pixels240 x 320 pixels
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Pixel density154 ppi143 ppi
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Display colors26214466560
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Hardware
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Memory cardmicroSDmicroSD
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Memory card max16 GB8 GB
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Main camera
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Main camera1.3 MP3.2 MP
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Primary camera resolution1280 x 1024 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackNoYes
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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 recording-
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Connectivity
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WLANWi-Fi
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USBYesYes
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BluetoothYesv3.0
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Bluetooth A2DP-Yes
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging MMSMMSMMS
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WAP-WAP 2.0/xHTML
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JavaYesYes
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Browser
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2100 mAh950 mAh
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Talk time12 h5 h
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Standby time800 h192 h
