Grainy pictures with 20mp camera?

Okay, so I broke my 12mp camera, and got a new 20mp one, a Nikon Coolpix s2900.

I'm highly dissapointed, the pictures are not as good as with my old 12mp, they're all grainy.

I'm not a specialist with cameras, but is there a way to make the pics look better with this camera?

Thank you.

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Nikon coolpix P100 shutter speed?

How do i slow down the shutter speed on a nikon coolpix P100 so i can do light grafitti?

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How to change shutter speed on Nikon Coolpix L120?

How to change shutter speed on Nikon Coolpix L120?

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My nikon coolpix L11 camera keeps turning off? - 1

I put the batteries in & once I turn it on, it's on for not even a second then shuts off again. Help anyone? It's only a week old:/

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Adding a time/date stamp to video?

is there any software that will add an accurate timestamp to video which came from a camera that doesn t support video time stamping? The camera is a nikon coolpix p900 which allows timestamping on photos but not video. Is there any way to make this work?

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Which of the 3 is the better camera (List of cameras inside)?

Nikon D3100

Nikon Coolpix L310

Fujifilm X-M1 (XM1)

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How to adjust the shutter speed and F-stops on my Nikon Coolpix P500?

I want to do it on the screen menu, does it not allow to do that? I can only see what it is set to but not change it, help?
Thanks babes! (:

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Lens error S 3100 coolpix?

Lens error S 3100 coolpix?

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How to change the shutter speed on the Nikon Coolpix L24?

How do you change the shutter speed on the Nikon Coolpix L24?

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Nikon Coolpix S3700 vs cannon ixus 160 camera which is best?

Nikon Coolpix S3700 vs cannon ixus 160 camera which is best?

Read more: Nikon Coolpix S3700 vs cannon ixus 160 camera which is best?