Re: [gentoo-user] new machine : CPU : 22 nm vs 32 nm

[microcai <microcai@fedoraproject.org>]

2012/7/26 Philip Webb <purslow@ca.inter.net>:
> I've listed what's available at the local store,
> which I trust to stock reliable items, tho' I wouldn't ask their advice.
>
> All the AMD's are  32 nm , while the Intel recommended by one commenter
> -- Core i5-3570 4-Core Socket LGA1155, 3.4 Ghz, 6MB L3 Cache, 22 nm --
> is  22 nm : it costs  CAD 230  & they have  3  in stock,
> which suggests demand, but not the most popular ( 9  in stock).
>
> Isn't  22 nm  going to be faster than  32 nm  ?
>
> In the same price range, AMD offers  Bulldozer X8 FX-8150 (125W)
>  8-Core Socket AM3+, 3.6 GHz, 8Mb Cache, 32 nm  ( CAD 220 ,  2  in stock).
>
> How do you compare cores vs nm ?
> How far is cache size important ( 6 vs 8 MB )?

cache size is always the most important thing. cache miss is the top
reason your application slows down.

>
> When I built my current machine 2007, the CPU cost  CAD 213 ,
> so both look as if they're in the right ballpark.
>
> --
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>