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The New Athlon Processor - AMD Is Finally Overtaking Intel

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The Giga-Battle Part 2

Overclocking AMD's Thunderbird and Duron Processor

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Tom's Blurb: Overclocking AMD's Socket A Processors

Intel's New Weapon - The Coppermine

Revisiting Intel's New Pentium III at 1.13 GHz

Latest Update On Intel's 1.13 GHz Pentium III

Intel Admits Problems With Pentium III 1.13 GHz - Production and Shipments Halted

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Intel
Краткое содержание статьи: After the shameful defeat in the Giga Hertz race Intel is now trying to leapfrog AMD. By squeezing the last bit of performance out of the well-known Coppermine core Intel created a very fast processor. The fact that it is the most unreliable and instable CPU Intel has ever released equalizes the fact that it will hardly be available.

Intel's Next Paper Release -<BR>The Pentium III at 1133 MHz


Introduction

Intel Pentium III 1133 MHz

It might sound funny to a lot of you when we are writing 'poor Intel is hurting'. I do agree that Intel is having its hardest time since IBM made the incomprehensible decision to equip their 'PC' with Intel's badly engineered 8088 processor instead of Motorola's far superior 68k solution many many years ago. The 'older' ones of you might still remember that IBM's PC was the one and only reason why two IT companies with rather mediocre products finally became more important than good old IBM itself. If you wonder why we all have to put up with Intel's as well as Microsoft's unpleasant business practices then please go ahead and blame IBM. I guess that IBM's decision makers from that time have often wished there was a time machine, which could straighten out all their mistakes from the past.

Intel's Revenge

Now while Microsoft had and still has a lot of fun with the FTC, Intel has been facing a very tough enemy in AMD, since the formerly Austin based company introduced its Athlon processor last year. The very worst thing in terms of prestige damage happened back in Spring 2000, when AMD was the first x86-processor maker to introduce a CPU that runs at 1 GHz = 1000 MHz clock speed. Big Chipzilla countered with the release of the Pentium III at 1 GHz two days later, but this CPU was so unavailable that not even the press was equipped with any samples. Today, some four months later, the Giga-Pentium III is still hardly available anywhere and now Intel considered it a particularly smart move to go ahead and introduce another Pentium III version that hardly anyone will be able to get, the Pentium III at 1.133 GHz.

AMD Has No Reasons To Be Too Bothered

Different to Intel, AMD was actually well capable of shipping their Giga-Athlon and today they are happily selling their new Athlon, based on the 'Thunderbird' core at 1 GHz as well. The fact that the vast majority of Giga Hertz systems are actually equipped with Athlon rather than Pentium III processors made AMD so confident, that they couldn't really be bothered to beat Intel in the race for the next speed grade beyond 1 GHz. While the normal users out there might not know about this, people in the hardware reviewing scene are well aware of the fact that AMD has shipped their 1.1 GHz Thunderbird samples to publications already weeks ago, while Intel was just able to get the rare samples of the Pentium III 1.133 GHz to the reviewers in the second half of last week. AMD is planning to launch their Thunderbird-Athlon 1.1 GHz in late August, giving us the chance to review the sample with ample time. Intel however shipped out their samples in the last minute, which proves who of the two companies is really able to actually produce 'Beyond-Giga-Processors' right now.

Taking A Step Backwards? New 'Beyond-Giga' Pentium III Comes Only For Slot1

Intel Pentium III - Socket 370, Slot 1

There is already one rather annoying thing about Intel's new 'Larger-Than-Life' processor. Just as its older brother at 1 GHz it comes as Slot1 version only. Technically there is no reason whatsoever and from a company philosophy point of view it doesn't seem to make any sense as well. After all we have learned that Intel wants to abandon Slot1 as soon as possible and switch all their latest processors to the FC-PGA package for Socket370. The latter is easier to handle, it's more future proof and more versatile, since you can run it in both, Slot1 (with adapter) as well as Socket370. Slot1-models can only be plugged into Slot1-platforms and those are slowly but surely dying out. Why is Intel still supplying Pentium III at 1 and 1.133 GHz for Slot1 only? I guess there are a few reasons to consider. First of all those processors are produced in very small numbers only, which results in a complete lack of those types in the retail market. This market however is the one where people make a difference between FC-PGA and Slot1, so why would Intel care? Instead those few processors are only going into the OEM-channel, ending up in ready-built systems. The rules in this arena are very different to the retail market. It might well be that OEMs prefer Slot1 for some unfathomable reason. The last and possibly most likely reason that I can see is the fact that by keeping the Giga-and Beyond-Pentium III processors at Slot1 only, Intel makes sure that nobody will combine those CPUs with its new PC133 SDRAM based chipset i815 (Solano). After all Intel is still trying to make a point that Rambus is the best memory solution, even though their own benchmarks prove the opposite, and by making a Giga-Solano combination impossible Rambus should be very pleased. Whatever the reason may be, Slot1 is dying out! Look at the websites of motherboard makers and you will see that all the new products are Socket370 solutions. Going for a Slot1 platform right now is betting on the wrong horse.

Horrible Instability Without The Latest Micro Code Update

I received my sample on Friday, facing working-weekend No. XXX of this year. However, things turned out to be different. Intel was actually shipping these 'More-Than-Giga' samples together with a specially prepared VC820 motherboard and Rambus memory. This is very unusual for Intel, since they normally supply you just with the CPU. In my case I was lucky to receive the processor sample, but the motherboard never made it to me. This would normally not have been an issue, because I anyway test processors on my proven, reliable and high performing own test beds, but this time I was unfortunately utterly unable to run any decent benchmark on any of my Slot1 platforms.

As it turns out Intel had to use all kinds of tricks to get Coppermine to 1133 MHz. Any motherboard that has not got the special micro code update for this very processor will ultimately fail. What is 'micro code update'? Well, all of Intel's 6th-generation processors have a little area that can store some software ('micro code') to deal with processor bugs right inside the CPU. Usually the motherboard BIOS loads this software into the processor right after boot-up. Each time Intel finds a new bug they try to create a new little software patch that is called 'micro code update'. These 'micro code updates' make the processor more reliable, but they always cost a bit of performance, because they basically turn off some internal features. As it turns out the new Pentium III at 1133 MHz is utterly unable to run reliably at this speed without a brand new micro code update, while it performs fine if you 'underclock' it to e.g. 850 MHz. So if anyone wants to make you believe that Intel was easily able to bring the 'Coppermine' to 1.133 GHz then this guy is either incompetent or a liar.

Some Specs Of The Wonder-Processor

Intel Pentium III 1133 MHz Markings

Let me give you some facts about the new 'Faster-Than-Your-Toaster' Pentium III:

  • It's manufactured in.18 micron process, just as all the other 'Coppermine' Pentium III processors.
  • It requires the whooping core voltage of 1.75 V by default. Normal Coppermines' only require 1.65 V. This increases the power hunger of that CPU over the Giga-Pentium III (1.7 V) significantly by already at least 3%, plus the 13% required by the higher clock speed, summing up to over 16 % more power hunger. Please forget the fairy tale from the fishy publication that claims 35 W of instead of 33 W of the Giga-Pentium III. It doesn't require more than simple math to see that this claim is just as wrong as the rest published there.
  • The clock divider or multiplier is of course locked and obviously x8.5. There is no big surprise why Intel is hopping from 1 GHz to 1.133 GHz, omitting 1.066 MHz, because anyone would expect a bit more than a pathetic clock speed increase of 6.6 % from a new CPU.
  • It's Slot1 only, so forget about Solano (i815) platforms.
  • It comes with a heat sink that is also larger than life. The heat sink can hardly be used in any motherboard, because it reaches down right to the PCB. Most motherboards have the large filtering caps right next to the Slot1-connector, which makes the usage of this heat sink impossible.

    Intel Pentium III 1133 MHz Heatsink

  • It's supposed to cost $990 US, but this price is hypothetical of course, since you won't be able to buy it anywhere. It's for OEMs only.
  • At the current moment you can only run it in Intel's VC820 motherboard with the latest micro code update.

Testing

I already told you that this processor proved to be an example of instability, which is why I won't publish any results at this time. However, I would like to share my experiences with you, also to show that I really tried hard.

  1. First try was on a BX board, the Asus P3B-F. This board turned out to be the only one that I could find a brand new BIOS for, which seems to include the micro code update, because it did not complain at POST. It scored some whooping 175 fps in Q3 at 640x480 in NORMAL mode. However, I experienced numerous crashes in Sysmark2000 and it was completely impossible to perform the Linux Kernel Compilation. Therefore I had to mark this platform as a fail.
  2. After the super high performance solution with BX at 133 MHz FSB didn't work out I tried Intel's very own OR840 motherboard, which is based on the i840 chipset with dual-Rambus channel. After several system hangs even in Quake 3 I gave up on it.
  3. Next try was one of my beloved i820 platforms with my favorite RDRAM memory. I used the Asus P3C-L motherboard. The Q3A frame rate was of course only some 'mediocre' 157 fps, but I was unable to run my Evolva 3D benchmark even once. Sysmark2000 crashed right after the start and Linux was barely able to boot.
  4. Eventually I went for a platform based on VIA's Apollo Pro 133A chipset, the Asus P3V4X motherboard. This combination turned out to be the worst, as I was not even able to reach the Windows98 desktop.

All of those platforms performed fine and flawless when I clocked the Pentium III 1133 down to 850 MHz. Those platforms had also no problems with my 1 GHz Pentium III.

I am already in touch with Intel and Asus to get me the latest micro code update and then I will run all those tests for you and see if it helps increase the reliability of the new Intel processor. Stay tuned for an early update.

Conclusion

Before I say anything about Intel's new Pentium III at 1.133 GHz I would like to raise one question. Do you need a processor that's faster than 1 GHz right now? Really? Let's be honest, there is indeed hardly any software for the vast majority of users, which would be able to take any sensible advantage of a CPU that fast. Who is supposed to need it?

  • A user of office applications? Certainly not! A Celeron 400 is good enough for those kinds of applications.
  • A 3D gamer? Absolutely not! Any 3D game played at a resolution beyond 1024x768 or in FSAA is limited by the 3D chip and not by the processor! Do you play games at 640x480 and require frame rates in excess of 100? I hope not!
  • A CAD developer? Again the 3D chip is more important for you than the CPU.
  • A 3D modeler? Well, moving wire frame models around is again limited by the 3D chip and the scene rendering is done faster with an Athlon processor at less clock speed anyway.
  • A videographer? Well, you might need good CPU power, but it doesn't really take 1 GHz or beyond either. I'd rather go for a faster hard drive solution.

I am not kidding you here! There is hardly anybody who will get anything out of a processor that's either at 1 GHz or even beyond right now. It's not future proof either, because once Pentium IV or AMD's Sledgehammer are out later on this year, the current processors will be old news anyhow.

Why does Intel release this new CPU? Out of pure vanity and the combined marketing efforts that might result in a better reputation and thus more sales and finally more money. Remember 'The Devil's Advocate'? "Vanity is my favorite sin!"

Intel might have succeeded in being the first x86 processor maker that released a processor that's faster than 1 GHz. However, at what cost? The requirement of the micro code update alone proves that the Coppermine core can only reach this clock speed by using some funky tricks, which at the same time reduce its performance. AMD's soon to be released Athlon 1.1 GHz does not require any of those little tricks. It runs in the very same and completely unaltered platform as all other Athlon and Duron processors.

For me as a reviewer that was not equipped with this mystical new micro code the testing of the new Pentium III 1133 was an appalling experience. Intel once used to be the supplier of the most reliable, most stable and therefore most overclockable processors in the world. Today, Intel has finally made a complete joke out of itself. By desperately trying to leapfrog AMD with a hasted release of an unreliable, unstable and thank God unavailable new processor it has finally thrown all its old principles overboard. Let's hope that Pentium IV will not follow suit in the same manner, or I see the days of Intel as a player in the processor area as counted indeed.

Please follow-up by reading the article Revisiting Intel's New Pentium III at 1.13 GHz.




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