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Originally Posted by maledyris
Hmm... I think you're misunderstanding what it means for a
chapter to be cached. It basically means that all pages in the chapter are in RAM and ready to go. Therefore, the previous and next pages are already cached.
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I meant the caching of the fully-rendered page (image), not the text assuming drawing AA font is time consuming.
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I think that short of moving to the new Pearl screen and increasing CPU speed, only a very very modest speed increase could ever likely be achieved on the Kobo Wifi.
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I think you are over-estimating the speed of the new Pearl screen. The nook 1.5 that uses Vizplex panel is almost as fast as kindle 3, but the Kobo wifi is not. This is also mentioned by some reviewers.
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Oh, one more thing, the StarEbook doesn't look like it's twice as fast as the Kobo when you check out the YouTube videos of it...
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I have both, and the difference is quite significant admitting that 2x difference is exaggerated. Especially so when flipping back and forth between two consecutive pages.
(Something I do frequently when reading technical articles). When keeping going forward, the starebook gets slower after 3 consecutive page turns though.
Main difference is that on StarEbook, the page flashing starts immediately with button click, but in kobo WIFI there's about half second delay. Also page flashing itself seems slower on Kobo. I don't know why.. It could be because of Starebook supports only 4 grey levels.
It's said that vizplex panel's page refresh can be done in about 0.5~0.7s. But I cannot turn 8 pages in 10 second on the kobo WIFI.
For comparision, it seems that the old kindle 2 can turn more than 70 pages per minute.
http://ireaderreview.com/2010/04/29/...e-turn-speeds/
Nook 1.5 is said to be faster than kindle 2, which I guess is the speed very close to the hardware-limitation. I tested again on my Kobo wifi, and I can only turn 40 pages per minute using a preloaded book.