Quote:
Originally Posted by Penforhire
I thought the Kindle used exactly the same e-ink screen but an older driver chip (which means... I dunno)?
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Yes, the controller differs, which is why the Kindle supports 4 grey levels (2-bit) while the newer Sony Reader has 8 levels (3-bit).
The article in this thread has some more details regarding the controller technology:
https://www.mobileread.com/forums/showthread.php?t=16690