Author: Aaron Gordon
Date: 06:58:22 03/09/03
Go up one level in this thread
On March 08, 2003 at 05:48:23, Tom Kerrigan wrote: >Some info/speculation on the next Intel core, due out by the end of the year, >probably at 4GHz: > >http://www.chip-architect.com/news/2003_03_06_Looking_at_Intels_Prescott.html > >Looks like it will have much higher (I'm guessing ~20%?) per-clock performance >than current Pentium 4s. That would give it a SPECint of ~1770. > >(It will run multithreaded programs much faster, too.) > >A 2GHz Opteron gets 1202. If AMD can get their chips up to 2.5GHz at the end of >the year, that means a SPECint of ~1502. > >(I figure 2.5GHz because that's the limit of Athlon overclocking right now, just >like 4GHz is the limit of P4 overclocking. Opteron might run faster because it >has more pipeline stages and SOI, or it might run slower because AMD is >apparently having problems with SOI. So I'd call it a wash and say 2.5GHz right >now. Notice that these are Opteron scores, not Athlon 64 scores, so the systems >we'd actually buy will likely be a little slower.) > >So my guess is that AMD will be 20% slower than Intel at the end of the year, >and that's not even counting the (potentially quite large) benefit of >multithreading. *sigh* Such a shame. If only AMD was executing on Hammer better. >Might have to sell some shares eventually. > >-Tom Limit of P4 overclocking on air is about 3.5GHz, limit for AthlonXP's on air is about 2.5GHz. With freon the limit for P4's is ~4GHz and the limit for AthlonXP's is ~3GHz.
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