Found another one: Ukraine store accidentally ships FX-8120 and it gets tested!

Discussion in 'CPUs and Overclocking' started by Black96ws6, Oct 8, 2011.

  1. bronxzv

    bronxzv Senior member

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    well, it looks like you were right for the x87 path:

    http://www.aida64.com/product/aida64-extreme-edition/benchmarks

    "FPU SinJulia Benchmark" is 80-bit x87 only
    "FPU Julia Benchmark" is 32-bit FP multiple paths (x87, SSE, AVX,...)

    for a proper review it will be far better to use "FPU Julia Benchmark" and the latest version of AIDA with an FMA4 path
     
  2. NostaSeronx

    NostaSeronx Golden Member

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    Oh cool :D

    XOP should technically replace x87 as it can do trignometry and exponential in 128bit and 256bit(I think might be just AVX)
     
    #127 NostaSeronx, Oct 9, 2011
    Last edited: Oct 9, 2011
  3. bronxzv

    bronxzv Senior member

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    for practical purpose I suppose nobody (for commercial projects) is still using x87 transcendentals anyway, they are incredibly slow (sluggish microcode) on any target, software polynomial approximations are way faster and *vectorizable*

    FYI neither AVX nor XOP provide native transcendental functions
     
    #128 bronxzv, Oct 9, 2011
    Last edited: Oct 9, 2011
  4. NostaSeronx

    NostaSeronx Golden Member

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    Most be a different ISA then
     
  5. bronxzv

    bronxzv Senior member

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    LRBNI has transcendentals though they are emulated on the 1st MIC products
     
  6. Skurge

    Skurge Diamond Member

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    When is this thing releasing?

    I'm sitting with a z68 and a 990FX infront of me. Want to know which path I should go.
     
  7. Tsavo

    Tsavo Platinum Member

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    12th of this month.

    Go 2500k if you want a CPU that can do everything well.
     
  8. 3DVagabond

    3DVagabond Lifer

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    A bird in the hand is worth 2 in the bush. SB is a known commodity and is an excellent platform. BD might be as well. If not though you won't be getting a whole lot for that 990 mobo after it releases.

    Do you play it safe? Or, roll the dice? ;)
     
  9. Skurge

    Skurge Diamond Member

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    Yeah, The prices of the hardware here has gone up cause of the exchange rate. Since it's coming down thought I'd wait.

    I do prefer the 990fx though. Will see in a few days.
     
  10. SlowSpyder

    SlowSpyder Lifer

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    One thing I don't understand, let's say BD is as terrible as many of you are saying it is. Why would AMD release it? Wouldn't it make more sense to shrink Thuban to 32nm, maybe tweak the cache, NB, even the cores a bit and go forward with that?
     
  11. TemjinGold

    TemjinGold Platinum Member

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    Why did AMD release Phenom 1?

    Skurge: The odds of BD blowing SB out of the water are pretty low. You are basically either getting known solid performance with SB or hoping for the chance that BD will more or less match it. I can understand a risk when there is a decent chance at a decent reward, but this particular risk makes no sense...
     
  12. Skurge

    Skurge Diamond Member

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    It's not a risk. I haven't paid for either board. I have them with me unopened. If BD sucks, I'll just give the 990FX back and pay for the Z68. If it matches SB, I'll keep the 990FX as I like it more.

    But It isn't looking good for AMD though.
     
  13. toolbag

    toolbag Member

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    Go AMD if you wanna be cool.
     
  14. Ferzerp

    Ferzerp Diamond Member

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    AMDzone is leaking again, I see.
     
  15. JWade

    JWade Platinum Member

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    my head hurts from trying to shift through all the posts and comparisions of BD and SB. I understand wanting to compare a 4ghz BD to a 4ghz SB, but to me a ghz to ghz comparision is not what I am interested in. I am more interested in how does the BD compare to a similiar priced intel cpu? it may be posted already but with my eyeballs jumping out of my head i cant seem to see it/them
     
  16. SithSolo1

    SithSolo1 Diamond Member

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    I woke up this morning and a thought occurred to me.

    Ok, so synthetic benchmarks are designed to max out processors with extremely heavy loads. The kind of which you normally don't see in everyday work, gaming, media play back, etc. BD uses a shared resource per "core pair" correct?

    What if AMD designed the chip with the assumption that under daily use "core pairs" would never be at 100% load. What if BD core pairs reach peak efficiency under 80-90% load, but above 80-90% load efficiency drops like a rocket propelled rock since the shared resource can't keep pace. To my thinking that would make it trash for synthetic bench marking but under real world conditions it might actually perform admirably.

    Again I am making a lot of assumptions without having the technical know-how to back them up.
     
  17. BlueBlazer

    BlueBlazer Senior member

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    The reivewer speaks......
    Also here.....
     
  18. RussianSensation

    RussianSensation Elite Member

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    Actually, GTX470 was about 10% faster on average, but only 8% slower than the 5870 (1920x1080 4AA/16AF). And GTX470s cost less than HD5870s. Coupled with more games, overclocking headroom to GTX480 (i.e., ~ HD5870 overclocked), it actually presented a great value vs. 5870s. 5850s were still untouchable in terms of value of course.

    The point is Fermi consumed more power but was undeniably faster in stock or overclocked vs. overclocked states. Game bundles weren't a bad deal either ;). However, BD is shaping up to be slower, hotter, not much cheaper than 2500k and it doesn't look like it will overclock better either. That's a bigger disappointment than Fermi was, esp. when you consider it was 5 years in development and is at least 9 months late since SB launched. Ivy is also expected to launch in less than 6 months from now (unfortunately given lack of competition, Intel could easily delay it). More shockingly, a $225-250 8 core BD should never lose to Phenom II under any circumstances, not when X6 1090T overclocks to 4.0ghz and can be had for $160 or so.

    A true next generation chip should be at least 15% faster simply based on improvements per core. Once you add more cores and higher clocks, it should be at least 30% faster if not more. Let's hope this design is going to scale much much higher in frequency clocks than Phenom II could. If BD scales to 5.5+ in the next 15 months, it might be able to compete with IVB after all.
     
    #143 RussianSensation, Oct 9, 2011
    Last edited: Oct 9, 2011
  19. RussianSensation

    RussianSensation Elite Member

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    Ya, with 3 days until launch, you might as well wait.

    Curious as to why you like the 990FX platform more. Its SATA 3 performance with an SSD is a lot slower.
     
  20. Black96ws6

    Black96ws6 Member

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    What's really scary is this:

    [​IMG]

    Worse IPC than Phenom, and BD is clocked HIGHER???

    And Lab501 is a credible site.

    Well I think that does it for me, TWO credible sites (Lab501 and the Dutch PC Magazine) with the same review: Bulldozer is a failure!

    Again, by some miracle, perhaps things will change. I was planning on waiting until Black Friday to upgrade anyway to get the best deals.

    But if these results are correct?

    Wow. Just wow.

    And how will the 4 and 6 cores perform??? That 4 core BD is going to get demolished in multi-threaded, if the 8 core version is the same as today's existing 1100T!
     
  21. StrangerGuy

    StrangerGuy Diamond Member

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    You ever saw a BIOS update that improves stock CPU performance in the past 10 years? Me sure didn't.
     
  22. RussianSensation

    RussianSensation Elite Member

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    SuperPi shows about a 48% advantage in favour of the 2600k. That lines up fairly accurately with 4C being able to keep up with an 8C CPU in the benchmarks presented by Lab501. Also SB's IPC was about 40% faster over Phenom II. So once again consistent. It looks like SuperPi will continue to be a good predictor of per core/IPC performance after all these years.

    It's unfortunate that many people waited possibly 9 months only to be disappointed. I really think AMD is being too optimistic if they price FX-8150 at $250 or so. $225 or below seems more reasonable.
     
    #147 RussianSensation, Oct 9, 2011
    Last edited: Oct 9, 2011
  23. mosox

    mosox Senior member

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    That's 93% not 48%.
     
  24. Imouto

    Imouto Golden Member

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    The maths skills again...
     
  25. Medu

    Medu Member

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    They already have a 32nm Thuban core- it's called Llano and we all know how good that CPU part works...

    OT:
    Not hard to see why Meyer got fired...