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08-07-2006, 01:09 AM
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#1 | | Sophomore
Join Date: Aug 2006 Location: Washington, DC
Posts: 71
Rep Power: 3  | Intel / AMD / Apple CPUs
What are the main differences between the three? | 
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08-07-2006, 01:42 AM
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#2 | | Professor
Join Date: Jul 2005
Posts: 2,208
Rep Power: 6 | Apple seems to be moving away from their PowerPC-based systems onto Intel-based systems, so this is really an Intel vs. AMD world now.
Personally, I believe that AMD is going the right direction with HyperTransport, which elimates all of the nasty issues with the Front Side Bus that have been slowing PC's down for the last few years.
I don't see the differences between AMD64 and EMT64T as being signficant competitive differentiators.
Similarly, I think it's too soon to put much weight on the potential differences between Intel Virtualization Technology (VT) and AMD-Virtualization (AMD-V).
My money is on AMD right now, although I am monitoring Intel's new Core processors: Conroe, Merom, and Woodcrest. | |
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08-07-2006, 01:44 PM
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#3 | | Sophomore
Join Date: Aug 2006 Location: Washington, DC
Posts: 71
Rep Power: 3 | Interesting. I used to just look at the number of MHZ to decide on a purchase but it appears that they are getting much more complicated than a few years back.
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08-07-2006, 03:50 PM
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#4 | | Professor
Join Date: Jul 2005
Posts: 2,208
Rep Power: 6 | Quote: |
Originally Posted by BILZ Interesting. I used to just look at the number of MHZ to decide on a purchase but it appears that they are getting much more complicated than a few years back. | MHz worked really well when all CPU's could do relatively the same amount of work in one instruction and could do the same amount of instructions in one clock cycle.
RISC architectures changed the math concerning the amount of work that a CPU could do in one instruction, but MHz was still a useful tool.
Caching introduced further efficiencies into chip design that made MHz even less useful, but it was still useful.
Instruction pipelining killed MHz entirely as a reasonable metric. With pipelining, there is no way to tell how many instructions will be executed within a clock cycle. MHz isn't quite irrelevant, but it's close. :p
Now it's all about benchmarking. The question isn't "Which CPU is faster?" any longer, the question is now "Which CPU is faster for this specific application?" | |
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08-07-2006, 10:15 PM
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#5 | | Sophomore
Join Date: Aug 2006
Posts: 71
Rep Power: 3 | Quote: |
Originally Posted by Will.Spencer Apple seems to be moving away from their PowerPC-based systems onto Intel-based systems, so this is really an Intel vs. AMD world now.
Personally, I believe that AMD is going the right direction with HyperTransport, which elimates all of the nasty issues with the Front Side Bus that have been slowing PC's down for the last few years.
I don't see the differences between AMD64 and EMT64T as being signficant competitive differentiators.
Similarly, I think it's too soon to put much weight on the potential differences between Intel Virtualization Technology (VT) and AMD-Virtualization (AMD-V).
My money is on AMD right now, although I am monitoring Intel's new Core processors: Conroe, Merom, and Woodcrest. | Thanx for the info.
I myself didn't know much about the differences in the three.
Cheers | |
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08-14-2006, 12:26 AM
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#6 | | Junior
Join Date: Nov 2005
Posts: 303
Rep Power: 4 | Is Intel going to be better?
All things are pointing to the new Intel chip being much better than AMD.
Is this true? Will Intel be on top of the chip game again soon? | |
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08-14-2006, 12:32 AM
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#7 | | Sophomore
Join Date: Aug 2006
Posts: 71
Rep Power: 3 | well i hardly know anything about this new upcoming..!
But for sure i like intel ( May be coz i have it ...lolz)
Anyways here is a link that will shower some more light on this topic > http://www.businessweek.com/the_thre...el_vs_amd.html | |
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08-14-2006, 12:42 AM
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#8 | | Junior
Join Date: Nov 2005
Posts: 303
Rep Power: 4 | My PC mag just thinks the new Intel chip will be huge.
But I think its really going to depend on cost. Intel are notorious for having overpriced chips whilst AMD have always been more budget. | |
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08-20-2006, 10:18 PM
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#9 | | Sophomore
Join Date: Aug 2006 Location: Washington, DC
Posts: 71
Rep Power: 3 | Thanks for that explanation Will. But, im still a little lost. What specs do you look for when purchasing a CPU if the clock speed is irrelevant?
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08-21-2006, 12:31 AM
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#10 | | Professor
Join Date: Jul 2005
Posts: 2,208
Rep Power: 6 | Now that clock speed is only accurate when comparing two chips of the same design, you really have to use CPU benchmarking software like CPU RightMark. | |
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08-21-2006, 05:02 PM
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#11 | | Sophomore
Join Date: Aug 2006 Location: Washington, DC
Posts: 71
Rep Power: 3 | That makes it a bit more difficult than just going to the store and picking out the one you like.
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08-21-2006, 06:06 PM
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#12 | | Professor
Join Date: Jul 2005
Posts: 2,208
Rep Power: 6 | Very true. Luckily, you can normally read reviews other people have made with benchmarking data, instead of running the tests yourself.  | |
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08-21-2006, 11:41 PM
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#13 | | Sophomore
Join Date: Aug 2006 Location: Washington, DC
Posts: 71
Rep Power: 3 | the laptop i am looking at uses the intel core duo. Any comments on that CPU?
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08-22-2006, 06:33 AM
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#14 | | Professor
Join Date: Jul 2005
Posts: 2,208
Rep Power: 6 | AnandTech published some good benchmarks of the Core Duo.
Unfortunately for Intel, the benchmarks pretty clearly stated "Go AMD instead."    | |
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08-22-2006, 07:38 PM
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#15 | | Junior
Join Date: Nov 2005
Posts: 303
Rep Power: 4 | I nearly got a core duo laptop.. but decided to save some money and get the cheaper Intel. Apparently I would not have noticed a difference anyway... | |
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08-22-2006, 10:33 PM
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#16 | | Sophomore
Join Date: Aug 2006 Location: Washington, DC
Posts: 71
Rep Power: 3 | Is it really fair to compare a 64 bit CPU with a 32 bit one?
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08-23-2006, 09:33 PM
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#17 | | Professor
Join Date: Jul 2005
Posts: 2,208
Rep Power: 6 | To me, it's all about benchmarks. If an 8-bit computer could run the benchmark faster than a 128-bit computer, I'd go with the 8-bit computer.
After, of course, validating that benchmark! :lol: | |
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