Quote:
Originally Posted by nabsltd
Without a copy of the original JPEG of the cover, there's no way to tell which is "better". The original might have more variation in the "white" than you would suspect, and so the Kindle is more accurately depicting the lack of smoothness.
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We don't even know that they're both using the same cover. I'm actually leaning towards the option that they are using different cover images. It's not unusual for a publisher to marginally change images for different stores. Just setting up the same source to comply to various standards will change appearance. Seeing original image from each book would help.
What's certain is that both devices are capable of displaying very low colour bit rates, so they rely on dithering to alleviate this. It's curious that they're both using Diagonal dithering, but that Kindle's is leaning the other way.