Power5 & PPC 980

24

Comments

  • Reply 21 of 65
    macjedaimacjedai Posts: 263member
    Quote:

    Originally posted by Hobbes

    Those were the days.



    Different game now with IBM.




    I'm with you! Those were the days , let them Rest in Peace .



    It's a different "game" now ... with IBM providing the CPUs.



    I wouldn't "rule out" dual cores in the 980. It all comes down to which config will provide the maximum performance in the "cheapest package.



    Who knows ... HyperThreaded with huge caches, or dual core with marginal cache increase. I can tell you that they're already messing with the 90 nano processes, and it makes sense to test the different ideas.
  • Reply 22 of 65
    rbrrbr Posts: 631member
    Quote:

    Originally posted by Placebo

    What will the 980 be called by Apple? G6? And when is it supposed to be coming?



    Steve said that IBM and they were already at work on "the next generation" CPU. I would think that a next generation would get its own name, for marketing reasons if nothing else.
  • Reply 23 of 65
    shawkshawk Posts: 116member
    It's my understanding that samples of the Power 5 and the "980" derivative are running now.
  • Reply 24 of 65
    Just out of curiousity, where has IBM released any info about a "980"?



    As far as I know, there is no roadmap that mentions such a thing and it's just some rumor-monger's invention.



    Please correct if I'm wrong, but is there anything that would substantiate IBM's plans to release a PPC980?
  • Reply 25 of 65
    hmurchisonhmurchison Posts: 12,425member
    Quote:

    Originally posted by Tomb of the Unknown

    Just out of curiousity, where has IBM released any info about a "980"?



    As far as I know, there is no roadmap that mentions such a thing and it's just some rumor-monger's invention.



    Please correct if I'm wrong, but is there anything that would substantiate IBM's plans to release a PPC980?




    As was the PPC970 as far as Apple using it
  • Reply 26 of 65
    g::mastag::masta Posts: 121member
    in the G5 introduction video on the Apple website, they chap from IBM states that they already have prototypes of the next gen chip for Apple. the only question now is: "is it 970+ or 980?"



    g::masta
  • Reply 27 of 65
    kanekane Posts: 392member
    Quote:

    Originally posted by Matsu

    You can check the web for commentary by Apple, in another thread somewhere in AI right now, can't remember which tho, stating that Apple-Moto still has a LONG life ahead and that pretty much guarantees you won't see a 970 based PB any time soon, not even in six months.



    Apple is STILL using G3's and will be using G4's still (in its consumer products) 18+ months from now.



    Moto will "fix" the G4.




    Hang on there Matsu! I have a question for you or anyone in the know. What will have to be done to fix the G4? Everyone talks about the slow FSB that strangles the G4 which would otherwise be alot more faster. Who is to be blamed for this then? Motorola for making the processor or Apple for making the motherboard. What should be done to enhance the architecture? I'd appreciate if Matsu or someone knowledgable set me straight on this. I'm looking to making the switch from a PC and buying me a 15.4" Al-Powerbook before years end and the way I see it that means I'll get a G4- not a G5-processor. Programmer, I need your wisdom!
  • Reply 28 of 65
    g-newsg-news Posts: 1,107member
    I'd just like to point out that a PPC 980 might very well still be marketed as G5 or G5+, after all the G4 also has undergone some major changes without actually changing name.

    However I don't expect the 980 to come any sooner than after 12 months. And I don't think that the mentioned 3GHz chip is a 980 either.
  • Reply 29 of 65
    Quote:

    Originally posted by hmurchison

    As was the PPC970 as far as Apple using it



    Yes, but in that case we had a good deal of info from IBM about the chip. There's nothing but smoke where the "980" is concerned.
  • Reply 30 of 65
    outsideroutsider Posts: 6,008member
    I agree with G-News. The 3GHz chip they speak of is most likely a 90nm version of the 970. As to what it will be called, who knows. IBM uses letter suffix for the lower end line like 750CX, 750CXe, 750FX (and this one included a bump in cache), or 750GX. This even goes for the PowerPC 405 and 440 lines. But the POWER line uses the "+" nomenclature for processors going to the next process level. So a 970 on 90nm would probably be called either the 970FX or the 970+. If it also includes extra cache, maybe 970GX? I think the 750CX name came about when the 750 first incorporated built in L2 cache. "C" for cache, "X" for extra. The 970 already has has built in cache. The FX line came out when they went to the next process level (130nm) and raised the cache. "F" is for "???" WHo knows how they really name things.



    Anyways thats not important. What is important is if the 90nm process shrink will include more L2 or not. I say yes. And it'll probably scale to just over 3GHz, probably to 4GHz even before the 980, or whatever the 9X0 series based on the Power5 will be called, comes out.
  • Reply 31 of 65
    wfzellewfzelle Posts: 137member
    Quote:

    Originally posted by KANE

    Hang on there Matsu! I have a question for you or anyone in the know. What will have to be done to fix the G4? Everyone talks about the slow FSB that strangles the G4 which would otherwise be alot more faster. Who is to be blamed for this then? Motorola for making the processor or Apple for making the motherboard. What should be done to enhance the architecture?



    The biggest problem is the slow connection to the rest of the system. The G4 is like a Ferrari with a lawnmower engine. Motorola is to blame for this. That's pretty clear if you look at the PowerMac G5 with a 1 Ghz bus and Dual-channel DDR400. With Motorola out of the way, Apple was able to build one kick-ass system.
  • Reply 32 of 65
    wfzellewfzelle Posts: 137member
    Quote:

    Originally posted by G-News

    I'd just like to point out that a PPC 980 might very well still be marketed as G5 or G5+, after all the G4 also has undergone some major changes without actually changing name.



    The G4 hasn't had many new features, though. The changes were mostly extensions of the pipeline and other modifications to increase the clockrate. A processor with SMT, dual-cores and/or other goodies should have a new name. It might be different if we don't see either of those, but I doubt that.
  • Reply 33 of 65
    bungebunge Posts: 7,329member
    Quote:

    Originally posted by wfzelle

    The G4 is like a Ferrari with a lawnmower engine.



    I'd say the G4 is like a Ferrari with a one litre gas tank.
  • Reply 34 of 65
    eric_zeric_z Posts: 175member
    Quote:

    Originally posted by KANE

    Hang on there Matsu! I have a question for you or anyone in the know. What will have to be done to fix the G4? Everyone talks about the slow FSB that strangles the G4 which would otherwise be alot more faster. Who is to be blamed for this then? Motorola for making the processor or Apple for making the motherboard. What should be done to enhance the architecture? I'd appreciate if Matsu or someone knowledgable set me straight on this. I'm looking to making the switch from a PC and buying me a 15.4" Al-Powerbook before years end and the way I see it that means I'll get a G4- not a G5-processor. Programmer, I need your wisdom!



    Please read this (page 32):

    http://e-www.motorola.com/collateral...ROPE_H1101.pdf



    Then take this into consideration:

    http://www.siliconstrategies.com/story/OEG20030623S0089
  • Reply 35 of 65
    outsideroutsider Posts: 6,008member
    Quote:

    Originally posted by bunge

    I'd say the G4 is like a Ferrari with a one litre gas tank.



    No, the best analogy is the G4 was like a Ferrari with a 2 gear transmission.
  • Reply 36 of 65
    amorphamorph Posts: 7,112member
    Quote:

    Originally posted by KANE

    Hang on there Matsu! I have a question for you or anyone in the know. What will have to be done to fix the G4?



    Not really so much. If all they did was move the memory controller on board and use RapidIO for a system bus, they'd remove the bus bottleneck and the CPU would suddenly run a lot faster - especially at AltiVec tasks.



    If they added another integer unit and another FPU as well, they'd have a real performer. Hyperthreading really isn't an option, because the G4 doesn't do a lot of OOE, but a dual-core G4 would be nice too.



    The two things Mot has to do are: 1) get away from MaxBus; 2) get their stuff out of their own fabs. Everything else is gravy.



    Quote:

    Everyone talks about the slow FSB that strangles the G4 which would otherwise be alot more faster. Who is to be blamed for this then? Motorola for making the processor or Apple for making the motherboard.



    Motorola, because the CPU dictates the bus used to connect it to the motherboard. Some people have blamed Apple for not convincing Mot to adopt another technology, but that doesn't really persuade me.
  • Reply 37 of 65
    rbrrbr Posts: 631member
    Quote:

    Originally posted by Amorph

    Not really so much. If all they did was move the memory controller on board and use RapidIO for a system bus, they'd remove the bus bottleneck and the CPU would suddenly run a lot faster - especially at AltiVec tasks.



    If they added another integer unit and another FPU as well, they'd have a real performer. Hyperthreading really isn't an option, because the G4 doesn't do a lot of OOE, but a dual-core G4 would be nice too.



    The two things Mot has to do are: 1) get away from MaxBus; 2) get their stuff out of their own fabs. Everything else is gravy.







    Motorola, because the CPU dictates the bus used to connect it to the motherboard. Some people have blamed Apple for not convincing Mot to adopt another technology, but that doesn't really persuade me.




    Amorph,



    Why would Apple want to bother with the G4 (improved or not) if the comparative price of the G4 and 970 being bantered about are even remotely close to correct? (It is said that IBM is providing 970s at a price which is less than what Apple has been paying for G4s.)
  • Reply 38 of 65
    macjedaimacjedai Posts: 263member
    Quote:

    Originally posted by Outsider

    No, the best analogy is the G4 was like a Ferrari with a 2 gear transmission.



    Both gears in reverse (lo and hi)???
  • Reply 39 of 65
    bungebunge Posts: 7,329member
    Quote:

    Originally posted by RBR

    Amorph,



    Why would Apple want to bother with the G4 (improved or not) if the comparative price of the G4 and 970 being bantered about are even remotely close to correct? (It is said that IBM is providing 970s at a price which is less than what Apple has been paying for G4s.)




    The 7457 is supposed to cost half of what the 7455 does and is pin compatible with the 7455.



    That means it costs less than the current G4 and the G5, and no change in architecture is needed. That's a huge savings overall. If Moto can deliver.
  • Reply 40 of 65
    amorphamorph Posts: 7,112member
    Quote:

    Originally posted by RBR

    Why would Apple want to bother with the G4 (improved or not) if the comparative price of the G4 and 970 being bantered about are even remotely close to correct? (It is said that IBM is providing 970s at a price which is less than what Apple has been paying for G4s.)



    Good question.



    First of all, we don't know that the 970 is cheaper than the XPC7455 in the towers. That's a rumor.



    We certainly don't know if it's cheaper than the more mainstream MPC7455s, which the 7457 will be replacing at half the cost. So my bet is that the 7457 (and the 7447) will be significantly smaller, cooler and cheaper than the 970 - certainly much cooler. A low voltage '47 could even go into the iBook, where the 970 won't show up for a good long time.



    If Mot comes through with a souped-up, RapidIO-connected PowerPC (maybe a G4, maybe not) in early 2004 like they're now threatening to, the 970 might stay out of Apple's laptop line for a good while. The 970 has excellent power characteristics considering what it is, but I have no doubt that Mot can deliver a CPU with exceptional performance given its small size, clean design and low power consumption. If there's anything they're good at, it's that.
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