Can you share your sgminer5.5.5?
I have sgminer-gm 5.5.5, but when using these parameters, the speed is ~ 100h/s, looks like intensity is too low :S
Or you are talking about another 5.5.5 release :S
I use this one:
https://github.com/genesismining/sgminer-gm/releasesAre you running a single card or a few?