90nm vs .13micron in contrast

[hulabaleet]

haven't posted here for a good while, i overclock just about everything on my pc and while usuing sisoft sandra i noticed it said my processor is a 90nm and i could have sword when i bought it the website said it was .13 micron
i cant find in any of the included papers or on the box which it's "suposed to be"
im very curious whats the diference between .13 micron and 90nm

its an amd 64 3000+ 2.0ghz runing at 2.15
9800Pro 378/676 runing at 410/710
512 kingston value ram CL3-3-3 at cl 2.5
msi k8t neo motherboard
Mag innovision 17 inch lsd
wd 40 gb ide hdd

[Akherousin]

There are two main-differences.

a ) The 90nm core consumes less power, therefore is quite a bit cooler than the 130nm core. This results in better overclocking options.
b ) The 90nm core is most of the time 1-4% faster than the 130nm core with the same speed. This is because of the architecture which is improved.

[Sepht]

Akherousin has it right.
less power and heat usage.
slightly better performance.

[hulabaleet]

awesome this is good news
one more question,
my motherboard msi neo k8t has "dynamic overclocking" which i set to "general" which is a 10% overclock and it never goes over 45 Celcius after hours of playing counterstrike source while simultaneously using HAMMER editor to build levels for CSS
my 9800 pro never goes over 50 C if it even reaches 50 C, or so says SPEEDFAN
but when i go to bios to overclock my fsb which is at 200mhz it says set a value between 190 and 280, if i go above 220 i have to clear my CMOS jumper bc my computer wont start,
any idea why?
btw 350 watt PSU if the few extra MHZ makes a diference there.