@keithr Hopefully someone who's actually done the comparison will step in, but I suspect these two designs will sound very different. You can likely catch some of that if the read the two corresponding 6moons reviews and compare some if the descriptors used across across them...
E.g.:
See paragraph 3 here - http://www.6moons.com/audioreviews2/zu3/6.html
And whole page, but especially final paragraph here - https://www.6moons.com/audioreviews2/cubeaudio2/5.html
E.g.:
See paragraph 3 here - http://www.6moons.com/audioreviews2/zu3/6.html
And whole page, but especially final paragraph here - https://www.6moons.com/audioreviews2/cubeaudio2/5.html