Hopefully you got a chance to check out our roadmap updates over the last several months; particularly our AMD 2004 roadmap forecast. It is not unusual for supplements for these roadmaps to show up several months later, particularly with product naming. Below you can see that we have updated our Socket 939 Roadmap as AMD has changed the names of two of its upcoming processors.

Socket-939 Roadmap for 2004
Clock Speed Cache Size Release Date
AMD Athlon 64 FX-55
2.6GHz
1MB
???
AMD Athlon 64 FX-53
2.4GHz
1MB
May '04
AMD Athlon 64 4200+
2.6GHz
???
H1 '05
AMD Athlon 64 4000+
2.4GHz
1MB
Q4 '04
AMD Athlon 64 3800+
2.4GHz
512KB
May '04
AMD Athlon 64 3500+
2.2GHz
512KB
May '04

Correction: There was a Typo in our original roadmap. The Socket 939 FX-55 does not have a release date yet. FX-53 for Socket 940 has a release date planned for March, and FX-53 for Socket 939 has a release date planned for May.

According to the roadmaps, the Athlon 64 3700+ on Socket 939 has been renamed to Athlon 64 3800+. Athlon 64 3400+ has been renamed to Athlon 64 3500+. Notice these changes are effective on the Socket 939 platform only. "The innuendo is that equivalently clocked Athlon 64s will perform better on Socket 939".

Socket-754 Roadmap for 2004
Clock Speed Cache Size Release Date
AMD Athlon 64 3700+
2.4GHz
1MB
Apr '04
AMD Athlon 64 3400+
2.2GHz
1MB
Already Available
AMD Athlon 64 3200+
2.0GHz
1MB
Already Available
AMD Athlon 64 3000+
2.0GHz
512KB
Already Available
AMD Athlon 64 2800+
1.8GHz
512KB
Q1 '04
AMD Athlon XP 3200+
TBD
256KB
Q1 '05
AMD Athlon XP 3000+
TBD
256KB
Q4 '04
AMD Athlon XP 2800+
TBD
256KB
Q3 '04

However, the updated roadmap has a few surprises in store for Socket 754 as well. First of all, there has been the addition of Athlon XP 3200+ for socket 754. Athlon 64 2800+ will begin showing up very soon as the roadmap simply states Q1 for the release date. Since AMD has planned more Socket 754 processors (albeit budget oriented) the architecture is beginning to look much more forward looking than many originally expected. As we pointed out in the previous roadmap, the Athlon XP chips on the Socket 754 interface have a reduced cache and only run in 32-bit mode.

Of course the largest issue here is why the changes in the Socket 939 processors were made. It seems plausible that a new instruction set addition or optimization may give the Newcastle processors better performance than originally anticipated. Or perhaps the real answer is more mundane; AMD may have just renamed the processors to avoid confusion between Socket 939 and Socket 754.

Regrettably even though we know SSE3 instructions are set to start showing up on Athlon 64, AMD officials could not confirm upcoming release schedules for the technology.

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  • ZapZilla - Wednesday, March 03, 2004 - link

    "The innuendo is that equivalently clocked Athlon 64s will perform better on Socket 754".

    Uh, shouldn't it be better on Socket 939?
    Reply
  • dylman - Wednesday, March 03, 2004 - link

    My guess is that AMD upgraded their Performance Ratings, at least partly, in response to Prescott's lengthened pipeline. If 3.2 Northwood GHz is faster than 3.2 Prescott GHz, then that has to affect AMD's PR rating also (assuming that we acknowlege that the PR rating is a comparison to the P4 and not the old Thunderbird *cough*).

    Reply

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