Welcome to the site.
Where'd you find these numbers at? I thought the 090 had more hp than that, and Mike Acre's site agrees-
http://www.acresinternet.com/cscc.n...237d3cf671cb8be188256ba200184712?OpenDocument
They're both nice saws, though I wouldn't call them comparable. The 090 is big compared to even the 88. It weighs 7 lbs more and is a big, heavy metal classic.
Jeff