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Subject: Re: Intel Pent 4/2533 outperforms AMD XP 2100+ easily - Tom's Hardware

Author: Jorge

Date: 15:18:02 05/10/02

Go up one level in this thread


On May 10, 2002 at 12:51:42, Roy Eassa wrote:

>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.
>>>
>>>(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
>>
>
>
>You're right.  I said "58.8% slower" when I should have said "58.8% as fast" or
>"41.2% slower".
>
>My math was dumb, but my original point is even stronger with your correction:
>If x is 70% faster than y, you *cannot* say that y is thus 70% slower than x.
>It's much less than that.

I see your point Roy. If y= 1.70x  (x is 70% faster), then with respect to y,
x=(1/1.70)y or .588y, which means y is 41.2% slower than x.

regards,
jorge



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