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Intel against AMD: a religion question


Intel: Pentium 4 of thousand flavors (and Celeron D)

AMD: Athlon and his 64 bits... that are not the most important thing

The one that approaches: mikes of double nucleus!

To know more on the CPUs...

Basic badges: the key is the socket (or is it the graph?)

Memory: do not worry, scarcely it will be able to choose

Released page
3/16/2005


Author:
Juan Herrerías Rey
 

What is... the microprocessor?


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Spring 2005: CPUs, basic badges and memory


 

Throwing the sight behind to the last time that we comment something on this topic, it seems that we were living in another world: mikes that "scarcely" there was reaching 2 GHz made with "enormous" some 0,18 ó 0,13 microns, to be used by memoirs to "only 266 MHz and in badges by the "slowest" AGP 4x...

... Really have they changed so much the things? Very well, partly yes and partly not; after everything, the principal contenders keep on being called Intel and AMD, and they keep on being his creatures calling Pentium and Athlon, with one or another surname...

 

Intel against AMD: a religion question

From the times of 386 (for which they have less than 30 ó 40 years, 386 there was a microprocessor of ends of the 80s of last century), the homo sapiens informaticus we have at our disposal a new excuse to fight: to prefer the mikes of Intel or those of AMD. Humorous logotypes as this one have appeared with enough frequency

Since that of Intel is habitual in these cases, the fanatics of the majority religion, they look with scorn for those "errant" (when not "heretics") of the minority religion, at that of AMD. And the AMD fanatics despise deeply those "irrational" of Intel (and they even mutilate sacrilegiously the symbols and icons of the enemy, like the famous person "Intel Inside").

Of course, all this is a little stupid. Does he want to know what mikes are better? I will say it to him: it depends. It depends on the mike in particular, on the use that it is gone to give him and on how much imports the question of the price for him. To say "the mikes of X are always better than those of Y", without contributing anything more, is simply stupid. So stupid as to doubt at this point on the "compatibility" of one or another mark.

(And, if he feels offended by this, a favor be done and go to another page: he is you too fanatically for me, and I do not support the fanatics. I am the whole fanatic of the anti-fanaticism).

Well, if sometimes the best mikes have been the Intel and sometimes the AMD, and the other way round: how are the things at present? Let's see...

 

Intel: Pentium 4 of thousand flavors (and Celeron D)

The Pentium 4 was looking like one of the most successful architectures of Intel, at least as for duration. Nevertheless, like the veteran boxers, it is already in the point in which he needs certain tricks to face the impetus of the young promises...

The principal advantage of this mike has always been his "brute force", the MHz/GHz. Comparatively, it realizes little work in every cycle of clock (every Hz), but it reaches MANY clock cycles: at present 3,8 GHz (3.800.000.000 Hz, there it is not at all). Nevertheless, GHz and peak look like the natural barrier of this design. Oh, undoubtedly 5 can come to ó 6 GHz, but to a rhythm much slower than they have us used.

The solutions to this limitation in the GHz have been multiple:

  • to make them with technology of 90 nanómetros (it allows other progress);
  • or to increase the size of the secondary cache memory (L2);
  • or to include a cache memory of third level (L3);
  • or to increase the breadth of the bus (up to 1066 MHz);
  • or to include extensions of 64 bits;
  • or even to join several nuclei, several mikes, in the only pill (more on this in a moment).

... but eye: NEVER all the solutions simultaneously!! In addition, we still live together with some mikes in format "Socket 478" and with others without "Hyper-Threading". Thus the Pentium 4 are made of thousand flavors; and, also, the new numeration system makes almost impossible to know beforehand what is bought, without passing for the page of the manufacturer to see what difference to a "Pentium 4 650" of a "Pentium 4 570J" or of a "Pentium 4 Extreme Edition".

Therefore, my recommendations on this matter cannot happen of being somewhat general:

  1. one report very well of what model buy, it should not take surprises;

  2. do not go for the models of highest scale (as Edition Carries to extremes them), only they are worth it if his budget has no limit... and not nevertheless;

  3. try to buy 0,09 microns mikes (90 nanómetros): they are those of more recent manufacture (perhaps warm up more than the ancient Northwood, but these are only Socket 478);

  4. try not to buy mikes in format "Socket 478" (his basic badges are more ancient than the Socket 775) not without "Hyper-Threading" (eye, they still survive some without this characteristic);

  5. be careful with the refrigeration: the Pentium 4 current warm up very much (yes, VERY MUCH), much more than the AMD Athlon 64, for example. It is not an insuperable problem and it turns out to be logical going to so many GHz... but bear it in mind;

  6. always compare with the mikes AMD, perhaps be better (or not, but I compared).
... For example, the Pentium 4 keep on being more rapid to compress video, thanks to his many GHz... but generally they are worse in any type of games. And, in any case, they are always more expensive: if it has a "extreme price", it will obtain more yield with an AMD, in any application. Undoubtedly. Tomorrow this will be able to be a lie, but presently it is true.

But if you are a disciple Intel lay brother and do not have need for an exhorbitant yield, perhaps his Celeron D is for Socket 775. Eye: with D!, not the normal Celeron neither nor the models Socket 478. These mikes are much better than the previous Celeron, practically there is Pentium 4 modern but with a little less of cache memory and without Hyper-Threading. I would prefer with much an Athlon 64, but really these "D" are not badly at all and already allow to buy a badge Socket 775.

Comparative table between two Celeron to 2,8 GHz, the D and the ancient one

Finally, if it does not have any expense limit, the Intel of higher scale will give him a little more of yield... at least nowadays. Although even in this scale, perhaps he would recommend to him more models of enough GHz and I caught enough L2, before Edition Carries to extremes them with cache memory L3 and/or one more fistful of MHz.

Very well, we are already going with the AMD, to see what is...

 


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