Toto 1.6 gpf vs. 1.28 gpf? Double Cyclone vs. G-Max?

I have an Ultramax 1.6 that works great. Any insight on how the new 1.28 toilets work? How about Double Cyclone?

I have 2 Ultramax II/Gwyneth's, which are 1.28 Double Cyclone units. Work great, and would definitely buy them again if I were in the market for a new toilet.

Do a search on this unit on this site and you'll get other feedback, and even a YouTube video of it flushing.

Bosun said:

I have an Ultramax 1.6 that works great. Any insight on how the new 1.28 toilets work? How about Double Cyclone?

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My in-laws have the 1.6 gpf Ultramax (that's what got me interested in Toto in the first place.) I have had three EcoDrake 1.28 gpf's for going on 4 months now. They all work very well. I don't have any experience with the double cyclones.