Author: Vincent Diepeveen
Date: 06:41:26 05/11/02
Go up one level in this thread
On May 10, 2002 at 12:31:23, Keith Evans wrote: >On May 09, 2002 at 10:46:58, Roy Eassa wrote: > >> >>Just a point of math: if x is 70% higher than y, then y is about 58.8% lower >>than x. this math is wrong in this sense that my statement is very clear for performance a Mhz speeds: K7 at x Ghz == P4 at 1.7x Ghz For crafty even: K7 at x Gzh == P4 at 1.734x So it is a relative performance a Mhz statement. >>(Earlier you said that the K7 was 70% faster than the P4. If that's true, then >>it cannot also be true that the P4 is 70% slower than the K7.) >> >>BTW, I am making NO statement in the Intel vs. AMD war, only a math comment. >> > >I would say that y is about 42% lower than x. > >x is 70% higher than y: x = (1 + 0.70)y >y is 42% lower than x: y = (1 - 0.42)x > >I'm pretty sure that this is standard usage. It's often not clear what >people mean when they use English to express performance differences. >For example here's one from my company's website "100x lower power >consumption." What would "1x lower power consumption" mean? > > >>On May 09, 2002 at 01:08:49, Vincent Diepeveen wrote: >> >>>On May 07, 2002 at 19:30:41, Chritopher A. Morgan wrote: >>> >>>who believes such crap in a CCC forum. >>> >>>the intel p4s are 70% slower for the average chessprogram than a K7. >>>note both do not scale lineair upwards. P4s worst. >>> >>>>Tom’s Hardware ran extensive tests comparing the AMD 2100+ with the new Intel >>>>Pent 4/2533. Results were published May 6. Intel was superior in all tests. >>>>Their summary follows: >>>> >>>> >>>>The results of this test don't leave much room for doubt, while also not >>>>offering a lot of surprise. In all 25 benchmark disciplines, the Intel Pentium >>>>4/2533 is well ahead of the AMD Athlon XP 2100+. Together with 533 MHz RDRAM, >>>>the P4 gains accordingly in performance through an FSB clock that has been >>>>increased from 100 MHz to 133 MHz. The overclocking benchmarks show how far the >>>>processors can be pushed. Not even an overclocked AMD Athlon XP 2100+ with a >>>>water-cooling system can offer serious competition for the tuned Pentium 4/2800. >>>>Here, it should be noted that the P4/2533 ran stably at 2800 MHz with a standard >>>>CPU cooler. >>>> >>>>Times are getting tougher for AMD if they want to stay on top of things. The new >>>>Thoroughbred core needs to be released soon and then we need to see some hefty >>>>clock speed to keep up with Intel's Pentium 4. >>>> >>>>Christopher
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