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Topic Title: question about PRO speeds
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Created On: 04/19/2004 03:08 AM
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 04/19/2004 03:08 AM
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Rico
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After talking to some of my computer literate friends, they said the following.
AMD processors can run at the same speeds as Intel processors if not faster.

My question is: Can an Athlon 64 3200+ (rated at 2.2 GHz) run at 2.4/2.6/2.8 or 3200+ (3.2 GHz)?

And, which would be better for gaming; Athlon 64 or Athlon XP?

Thanks!

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 04/19/2004 03:27 AM
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Rico
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I got the following info from a CPU (Computer Power User) Special Edition magazine called PC Modder.
Athlon 64 3200+
Core : Barton
Speed : 2.2 GHz
System Bus Speed : 400MHz
L1/L2 : 128/512KB

On the other side of the page it has another section of Athlon 64's
no where does it mention the Athlon XP's. Do 64's come in Barton core / do XP's come in Clawhammer core?

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 04/19/2004 03:58 AM
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Ardrid
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The Athlon 64 3200+ runs at 2.2GHz and effectively acts like a 3.2GHz or better processor. However, that does not mean that it can physically reach those speeds. And there aren't any 64-bit XPs (Barton or otherwise).

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 04/19/2004 04:30 AM
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Greyhound
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QUOTE I got the following info from a CPU (Computer Power User) Special Edition magazine called PC Modder.
Athlon 64 3200+
Core : Barton
Speed : 2.2 GHz
System Bus Speed : 400MHz
L1/L2 : 128/512KB
These are the correct specs for an Athlon XP 3200+.
An Athlon 64 3200+ runs at 2.0GHz, has the 'Clawhammer'-core and a 1MB L2-cache. Furthermore, an Athlon 64 doesn't have a FSB in the common sense anymore...instead, it has a Hypertransport I/O-link, clocked at 800MHz physically which results in a 1.6GHz effective 'clockspeed' since it is DDR'ed(just like the Athlon XP's FSB).

Raw clockspeed, i.e. MHz/GHz is no longer the most significant factor in terms of performance - different architectures such as that of an AMD Athlon XP or Athlon 64 and an intel P4 cannot be compared by simply comparing raw clockspeed.

In order to facilitate comparability of different Processors according to their performance(NOT raw clockspeed), AMD introduced a 'Quantispeed' ">http://www.amd.com/us-en/asset...31B_Quantispeed_wp.pdf'-rating for their processors.

Since an Athlon XP can do more work per clock-cycle than a P4, it will perform about equal to a much higher clocked P4 - hence the xxxx+ rating.
This is because basically, intel's 'Netburst'-architecture(what the P4 is based on) sacrifices efficiency in order to be able to attain high clockspeeds.

In most cases, an Athlon XP xxxx+ should perform equal to or better than a P4 clocked at the corresponding figure in MHz(e.g. an AXP 2000+ performs about equal to or better than a P4 2.0GHz(=2000MHz)).
Actual performance depends on the application you're running...for example, an AXP will perform better than a comparable P4 model in most games, whereas the P4 will perform better in some media-encoding and rendering applications since a lot of them are optimized for its architecture.

Here's' ">http://www.amd.com/us-en/asset...nd_tech_docs/30579.pdf AMD's Processor Performance Evaluation Guide.
It's the latest version for the Athlon 64-line - it will give you an idea about how this rating works.

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 04/19/2004 11:51 PM
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Rico
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thanks, i got it all sorted out now.

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 04/20/2004 10:25 AM
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ricjax99
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Moral of the story do not by that mag

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