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Single 1.53GHz or Dual 800MHz G4 cpu?
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Fresh-Faced Recruit
Join Date: Mar 2007
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I'm wondering which would be a better choice. I use a Quicksilver 2001 and use Photoshop, also real-time MIDI recording/composition. How much of a difference in the two? The Dual 800 is stock QS, the single 1.53 has 2 MB L3 cache.
Thanks! DS
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Moderator  Join Date: Sep 2001
Location: Arizona
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Are you looking to upgrade to one of those CPUs or does your Quicksilver already have the Dual 800? Because if it does, the 1.53 won't be worth the cost.
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I like chicken
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Meow Mix, Meow Mix
Please de-liv-er
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Senior User
Join Date: Sep 2005
Location: Anson, TX
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I'd guess that you'd see very similar performance with either of the two. The DP 800 would be better for multitasking...
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Fresh-Faced Recruit
Join Date: Mar 2007
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I purchased the 1.53GHz as an upgrade for my QS 733 (733 overclock'd to 867). Before I had a chance to use it, the QS logic bd went bad. Today I bought a used QS w/ the Dual 800 cpu, to replace the dead QS 733. So now I have both cpu's available to me, and am trying to decide which one to keep and which to sell, to offset the cost of the QS that I bought today (QS Dual 800 w/ 17" Apple Studio Display, keybd and mouse: $350).
So even though the single processor is almost twice as fast as the dual, the difference in performance between the two is nominal?
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Clinically Insane
Join Date: Oct 2000
Location: Los Angeles
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The single 1.53 will probably be faster for most single applications. Multitasking will be more responsive on the Dual.
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"The natural progress of things is for liberty to yield and government to gain ground." TJ
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Administrator  Join Date: May 2000
Location: California
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No 'probably' about it. On single-threaded tasks, the 1.53 will rip the stuffing out of the dual 800. A single app that is MP aware is likely to post similiar times with each, though the 1.53 is likely to come out a bit ahead.
Once you start running multiple tasks, the dual 800 will start pulling ahead. The more threads running, the better the dual will look, but the dual 800's lead will never be a big one.
If you do Photoshop with the MIDI stuff processing in the background, then the dual might be the better choice. If you tend to work on one at a time, then the single 1.53 is by far the best.
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Fresh-Faced Recruit
Join Date: Mar 2007
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Thanks reader, for the straight dope on my query. I was able to upclock the 1.53GHz to 1.6 thanks to the convenient DIP switches onboard the daughtercard. Increasing to 1.6GHz really felt like a big jump in performance... snappier response and really speedy startup compared to 1.53... didn't expect a big difference; quite happy 
Cheers to all!!! DS
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Junior Member
Join Date: Jun 2006
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70MHz caused a jump in speed? I almost can't believe it.
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