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Subject: Re: Reply to Rajen Gupta re: 64 bit

Author: Tom Kerrigan

Date: 22:52:26 07/24/03

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On July 25, 2003 at 00:58:08, Russell Reagan wrote:

>On July 24, 2003 at 20:55:49, Tom Kerrigan wrote:
>
>>Not really.
>>
>>First of all, the XT had an 8088, which was a 16 bit processor.
>
>The 8088 was technically a 16-bit processor but with its 8-bit external bus, it
>often performed like an 8-bit processor.
>
>You say ToMAYto...

Nonsense. Dhrystone MIPS:

4MHz Z80: 0.052
4.77MHz 8088: 0.23
8MHz 8086: 0.44

http://www.netlib.org/performance/html/dhrystone.data.col0.html

So the 8088 performed 4.5x faster than the Z80 and it looks to be only about 12%
slower than the 8086 per MHz.

-Tom



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