I was using it on way lower spec machines than that (including a Pentium II machine with 256M of RAM), Firefox handled 10 tabs well at the time.
On Linux though, and blocking ads.
On Linux though, and blocking ads.
At the time 3.0 came out I was still in University and every other student I spoke to had the same experience. People also experienced in my first place of work in 2009.
This problem was ultimately fixed with 4.0 when they did something different with how multi-tab worked.