Donny, they are very close, but even with my aging ears I could hear some significant differences in overall sound quality. The T5 definitely had more depth in the grand piano sound. Same held true with the electric piano. There seemed to be a distinct difference in clarity with the guitars and string demos as well. There was a definite, big change in the tenor sax sound.
Gary

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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)