em64t vs amd64?

[Petr Stehlik]

Petr Stehlik píše v St 19. 10. 2005 v 08:07 +0200:
> Rano,
> 
> mam dobrou zkusenost s amd64 na serveru, a ted jsem dostal nabidku na
> IBM x226 s Xeonem s em64t. em64t ma byt kopie amd64, ale nevim, jak
> dobre to "obšlehli". Chci na tom valit 64bit debian sarge. Ma nekdo
> nejakou zkusenost? Google nasel vety typu "xeon slows down a little in
> general when you enable 64bit mode. AMDs speed up. Given the AMD is
> usually faster at mosts tasks already in 32 bit mode, the situation is
> not improved 
> (for intel) in 64bit mode.", coz me zrovna nenadchlo.

"the 2.4 GHz Opteron blows the 3.2 GHz EM64T out of the water"

hmhmhm.

Petr