Many questions about microarchitectures

[edalatfeizi]

hello every one i have a many questions about microarchitectures.
my questions is:
what is Nehalem?
for what intel should use sandy bridge instead Nehalem?
what is sandy bridge?
whats new in sandy bridge?
sandy bridge how to work?
what is next Architecture?
every one can help me?
beforehand thank you....:)

 

[Big B]

Nehalem was the predecessor to Sandy Bridge, and is an early part of the Core family of processors. This http://en.wikipedia.org/wiki/Sandy_Bridge_(microarchitecture)]Wikipedia link[/url] sums it up as what was improved.

Sandy Bridge was succeeded by the current Ivy Bridge, and that is about to be succeeded by Haswell.