High-end Athlon 64 CPU gets bizarre FX rating

Posted on Tuesday, August 05 2003 @ 19:38 CEST by Thomas De Maesschalck

The Dutch site Tweakers reports some news about AMD his upcoming CPUs. According to the German Planet 3DNow! AMD will call his high-end desktop version of the Hammer-core the Athlon 64 FX. First the Athlon 64 FX will use the same socket 940 as the AMD Opteron, but later AMD will reduce the amound of pins to 939 to make the difference between both clearer. The normal Socket 754-version without Dual Channel DDR memory support will be called the Athlon 64 and will have the normal 'old' PR rating from AMD.

A new thing is that AMD will use a new special rating for the Athlon 64 FX, comparable to the rating of the Opterons.

	Athlon 64	Athlon 64 FX	Opteron
1,4GHz			x40
1,6GHz			x42
1,8GHz			x44
2,0GHz	3200+	FX-51	x46
2,2GHz	3400+	FX-53	(x48?)
2,4GHz	3700+	FX-55	(x50?)

I think a lot of confusion is coming up, first AMD introduces the PR rating, and now the FX rating, what is next?

Source : Tweakers.net

About the Author

Thomas De Maesschalck

Thomas has been messing with computer since early childhood and firmly believes the Internet is the best thing since sliced bread. Enjoys playing with new tech, is fascinated by science, and passionate about financial markets. When not behind a computer, he can be found with running shoes on or lifting heavy weights in the weight room.

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Re: High-end Athlon 64 CPU gets bizarre FX rating
by Anonymous on Wednesday, August 06 2003 @ 9:33 CEST

Well, it's not that confusing really. By now it should have dawned on most knowledgable PC user and enthusiast that naming processors with performance numbers, MHz or otherwise, are pretty much bogus.

AMD has communicated this message a long time now, and is following through on this with the Athlon FX model numbers. If the rumour is true, The Athlon 64 FX is aimed at the high-end market, and this market knows about the MHz-myth and the need for benchmarking and targeted application performance testing.

The model name/number is there simply for product identification --- as is the case with most other products. In that regard, the FX numbers are as good as anything else.

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