Quote:
Originally Posted by ilovejedd
That said, yeah, 600 ppi sounds like overkill. The reader would need a much faster processor, too, adding to the power consumption.
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Increasing the dpi without changing the greyscale level would probably need more memory and processor power, but if they increased the dpi and reduced the greyscale level that could increase the display quality of text without increasing the memory required, and maybe even reduce the processor power needed.
Extra processor power is needed to do things like anti-aliasing of text and font hinting, but at higher dpi levels these things are not needed so much, and if the dpi is high enough they are not needed at all.
Also, increased dpi, even with a reduced greyscale level, could allow some readers to use a smaller font size or a more compact font-face which means more words on the page and so fewer page turns, reducing power consumption on e-ink devices.