Hey that is a impressive den, quality and usage will beat a huge den with a lot of dust collectors. I do not have a wolfie and would have to sell one one kids to get one...lol.
But seriously, most likely you can not tell for a few reasons and this is my surmise.
First it could a testament to the smoothness of each of the different types ( OC, SB), they could be to feel as you have indicated.
But curious, what is the end result for both?
If you did a very precise side by side test. What would be the outcome.
That maybe a fun little test.
Note: a lot of shaver will compensate there strokes and buffing for different razors, plates in the comparison,
So you will see a lot of shave say...they are vert close and can not tell the difference.
So it is important to keep the shaving process as identical as possible.
Cheers...
And would love to hear your results on the side by side test ( half face) ....
BFX
enjoy the Day...really enjoy the shave...the one thing in life we can almost control....