What's my best option?

[Saman910]

Hi, i have a dell inspiron 1545 laptop with a "Intel Core 2 duo T6400 2.00GHz" processor (PGA478 Socket).

What's the best and fastest cpu upgrade for me?

 

[kanewolf]

Here are a couple of existing threads that discuss this --
http://www.tomsguide.com/answers/id-2683057/cpu-upgrade-dell-1545-inspiron.html
http://www.tomsguide.com/answers/id-2422656/cpu-dell-inspiron-1545.html