Wayfarer not push TCP stack too much, because main brake here CPU power for javascript, CSS,...
TCP stack speed is critical with unencrypted FTP and other simple transfers.
Good bechmark of plain TCP stack is TCPSpeed. Unfortunatelly I have no computer with wlan.
I can only test both systems on 100 MbE Pegasos 2, but it has no sense, because both systems result here is cca 90 Mbps - i.e. NIC cannot do more.
Unfortunatelly AmigaOS have no driver for 1 GbE on Pegasos, MorphOS has here 209 Mbps.
Maybe Sam460 or X5000 owners can check that.
AmigaOS3: Amiga 1200
AmigaOS4: Micro A1-C, AmigaOne XE, Pegasos II, Sam440ep, Sam440ep-flex, Sam460LE, AmigaOneX1000
MorphOS: Efika 5200b, Pegasos I, Sam460LE, Pegasos II, Powerbook G4, Mac Mini, iMac G5, Powermac G5 Quad