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- Path: sparky!uunet!olivea!apple!apple!claris!mike_steiner@qm.claris.com
- From: mike_steiner@qm.claris.com (Mike Steiner)
- Newsgroups: comp.sys.mac.misc
- Subject: Re: Information on: The IIvi, IIvx, and Performa 600
- Message-ID: <15031@claris.com>
- Date: 17 Aug 92 21:09:55 GMT
- References: <1992Aug16.210017.1816@risky.ecs.umass.edu>
- Sender: news@claris.com
- Lines: 20
- Nntp-Posting-Host: steiner
-
- In article <1992Aug16.210017.1816@risky.ecs.umass.edu>, breck@ganzer.ecs.umass.edu writes:
-
- > This is a common misconception. Actually, the IIsi is about 28%
- > faster, which is not enough to notice in most real-time applications.
- > When doing something very CPU-bound, you might notice. That is to
- > say, if you usually complete a coffee break while compressing a large
- > archive with an LCII, you will have a bite of doughnut and sip of
- > coffee to go when the same task finishes on a IIsi. :-) This 28%
- > difference in speed is mostly accounted for by the difference in
- > processor speed beetween the two machines -- 16MHz vs. 25MHz. The
- > *IIci* is something like twice as fast as the LCII since it's clock
- > speed is 33MHz. The bandwidth of the memory bus is really not
- > critical in personal computers, 'cause other bottlenecks hold things
- > up before the bus width does. For instance, the 80386 is only 4%
- > faster than the 80386sx, which has a 16-bit external memory path.
- > It's the same in the case of the Macs; you'll find that the original
- > Mac II is only 4% faster than the original LC (both 020s at 16MHz).
-
- The IIci is 25 MHz; the IIsi is 20 MHz. Apple currently does not
- market a 33MHz computer.
-