2012 Fusion Drive vs 2010 SSD+HHD

That's a step backwards.I think you could set up your own "fusion" if you like, with what you have, even if you upgrade your normal drive to 3tb. Google it and see..

It depends a bit on your usage, but its unlikely to be much of a difference speed-wise.

The Fusion drive has the advantage of not requiring any management in terms of shuffling your data between SSD and HDD. It's all one volume and frequently accessed data gets prioritized automatically. Whereas the SSD/HDD requires manual management of what goes where (which may be a plus if you have very specific needs).

It's also worth noting that you can create your own Fusion drive on your own. http://arstechnica.com/apple/2012/10/more-on-fusion-drive-how-it-works-and-how-to-roll-your-own/

eroxx said:

Sorry, not sure I understand. WHICH is a step backward?

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Moving to a smaller size SSD. Pure SSD vs Fusion with only 128 ssd will be noticeable.

You need to start moving some of your data onto the hard drive and upo that if necessary. Or even open it up and use a 512 SSD. The 2012 will be faster and up to date overall, but it depends more on the rest of your and the new imac specs comparison. And then there is the cost issues .....

eroxx said:

Right. So what's a 2010 iMac user to do, that bought a 256 ssd + 2TB drive?

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I would strongly consider turning your current set up into a Fusion drive. It's done with software only; you just need a backup drive to save and restore your data from (which you should have anyway). That way you can test whether Fusion meets your needs, and you may find that you're happy with your current iMac for a while longer.

eroxx said:

And how do I do that?!

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http://www.macworld.com/article/2014011/how-to-make-your-own-fusion-drive.html