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Old Jan 25th, 2004, 02:37 AM   #11
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Wow, you're running OS X with 128 MB RAM?! Yes, it is time to get more (even if you are using 9, it would be a big help)

I've found http://www.barefeats.com/ a pretty interesting site with hands-on performance testing of different PowerMac and Powerbook models. It is pretty straight up and easy to understand. For the older PowerMac models you will need to hunt through the archives

This article compares the Quicksilver with no L3 cache
http://www.barefeats.com/pm01.html
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Old Jan 25th, 2004, 02:45 AM   #12
 
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Oh yes. Panther on 128mb is killer. I wanted to upgrade to 640 but it'd cost me about $160 that I dont have to spend on ram right now. [img]tongue.gif[/img] I'll live for now. I want to upgrade to a powerbook anyway.
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Old Jan 25th, 2004, 03:33 AM   #13
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Ram. Get Ram. Lots of Ram.

Ram is cheap. I remember buying a single meg for over $120.
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Old Jan 25th, 2004, 03:35 AM   #14
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the 533 had a 1MB L2 cache but one model of the 733 had a 256MB L2 cache

Keep in mind that the 1MB L2 cache on the 533 was backside (and at half the clock speed to boot) whereas the 733s' cache is on die (right on the processor), so there is probably not as wide a margin as some of you are imagining.

So basically, while the 733 is struggling with a small cache (256k @ 733Mhz) the 533 is struggling with a slow one (1024k @ 266Mhz).

The main reason that a 533 can sometimes out perform a 733 is that it was a dual processor model, not that the cache was bigger.
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Old Jan 25th, 2004, 12:33 PM   #15
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Look for a level 3 cache. For example my 733 mhz 'Quicksilver' is slower than the older generation 'Digital Audio' @ 533 mhz.
Eh? That can't be right. How can your 733 be slower than a 533, even if the 533 has dual-processors? Dual-processors make no difference unless some certain application takes direct advantage of them; OS X runs better with dualies, but your 733, on average, is faster. FYI - Both machines do NOT feature a Level 3 cache.
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Old Jan 25th, 2004, 02:37 PM   #16
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Not the dual 533. Just the 533 with LEVEL 3 Cache. This is what made the difference in benchmark tests. Also there is a difference between G4 chips. Not just clock speed. The megahertz myth applies to Mac G4s too, not just peecees. I think MacDoc has some info on his site about this.
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Old Jan 25th, 2004, 02:48 PM   #17
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Not the dual 533. Just the 533 with LEVEL 3 Cache.
What in the world are you talking about? First of all, there was no such thing as a G4/533 with a Level 3 cache - the only way that's possible is if that machine that you saw benchmarks for had an upgrade card in their once 533 G4.
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Old Jan 25th, 2004, 02:54 PM   #18
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Sorry. Youre right. I think it was just the 667 and 733 that had the LEVEL 3.
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