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					Originally Posted by boriar  Not for reading, but in the treatment of images and pages refresh | 
	
 PDF rendering can be a huge CPU hog, if it's complicated vector graphics.
For normal reading, it should not matter. Even if it takes a bit of time to render the next page, that can be done before actually flipping the page, so by the time you're done reading the current page, the next page is all ready in the cache.