When I test two different computers connected to the same cable modem through the same router, I get significant variances between the two conputers:
Desktop Computer: Avg Down Speed = 2900 kb/s, Avg Up Speed = 689 kb/s Laptop Computer: Avg Down Speed = 11129 kb/s, Avg Up Speed = 1976 kb/s
Both Computers run Win XP SP2... the laptop is newer, but how much affect should processor speed really have on these speed tests?
By the way, I used both