where is the problem exactly? there is no contradiction. the specs sheet says that they both use the same CPU, which is correct. the wiki says they both use the same switch chip, which is also correct.

I see no problem

Thanks for this. I mistook the switch chip version for the cpu version.

Routerboard.com says that both the RB450G and the RB750G use the Atheros 7161, ie: .....RB450G: http://www.routerboard.com/index.php?showProduct=52 .....RB750G: http://www.routerboard.com/index.php?showProduct=90 The MikrtoTik wiki's Switch Chip Features page says both these devices use an Atheros 8...