Most shops cannot write this comparison, because most shops do not sell both halves of it. I do. Sospiro Vibrato is the original. Bujairami Vibration is an inspired-by, made by a different house to echo it. Both are poured from bottles on my bench.
Vibrato. Grapefruit and ginger over soft powder and wood. Fresh, but it has some weight to it. The site files it for summer and ordinary days.
Vibration. Grapefruit and bergamot up top, ginger and powder through the middle, musk and iris underneath. It is a denser take on Vibrato, not the same thing.
So which one. If the original works on you, Vibration is the cheaper way to wear it. If you want the original itself, it is here, and it costs what it costs. Both listings show the price per ml, so you can see the gap before you choose.
The honest way to decide is a 2 ml of each, worn on different days. That is one person's impression and not a universal read, and this is exactly the kind of pair where your own skin should get the last word.
Sospiro Vibrato and Bujairami Vibration are both here in 2, 5 and 10 ml. What the label means, and why it is on every listing, is in Inspired-by, and why I say so.