Actually I would say that they are the exact same in terms of detail retrieval. The HD800 can give the appearance of "fake" details due to the 6kHz treble spike, but that is not on the recording. The only differences I found were the lack of this annoying hump at 6kHz and some more needed heft down low with the HD800S. I'm not surprised that Amos feels that way...I do too. Only my SR-009s can eek out a win here for detail retrieval over my Utopias.