interesting notes you sent.
I just did a quick test:
CNLAB Test -> D:768 / U:106Mbit
Speedtest.net: D: 768.04Mbit U: 104.89 mbit
and without the tweaking suggested by teklager.se (pfsense v2.4.4)
Will do definitely an update to 2.5 later today and check the performance again.