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Overclocking

AMD indicated the FX-8150 was good for around 4.6GHz using air cooling, 5GHz using water cooling and beyond with more aggressive cooling methods. In our experience with the platform, hitting 4.6GHz, stable, on a stock AMD HSF was not an issue. Moving beyond 4.6GHz on air saw a significant decrease in stability however. I could boot and run benchmarks at 4.7GHz but I'd almost always encounter a crash. I couldn't hit 5GHz on air.

Power Consumption Final Words
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  • TekDemon - Wednesday, October 12, 2011 - link

    Yeah I paid $179 for my i5 2500K and it hums along at 4.8Ghz (can hit 5Ghz+ but I wanted to keep the voltages reasonable). Clock for clock bulldozer is slower since it's only competitive when the higher clocked part is compared to a stock 2500K. Reply
  • jleach1 - Friday, October 21, 2011 - link

    Their cores offer, what 75% the speed of a normal core?

    The fact is, this supposed "8" core processor performs worse than AMDs own 6 core processor. There's no way we can get away with calling it an 8 OR a 6 core.

    For all intents and purposes, it's a quad core.
    Reply
  • estarkey7 - Wednesday, October 12, 2011 - link

    You took the words right out of my mouth! I am a big AMD fanboy, and I was waiting with baited breath to jump on the bulldozer bandwagon for my next rig (and I probably still will). But this is ridiculous! I'm a computer engineer and where the hell were the simulations AMD? Seems like you could have halved the L3 and kept in the extra FP resources and been better than what you are doing now.

    Also, don't bitch about that Windows 7 doesn't realize the architecture of Bulldozer, you knew that 18 months ago, so you should have been writing a patch so that would have been a non issue.

    The absolutely, positively only reason i will by an 8150-FX is that my current desktop is a dual core Athlon running at 2.2GHz. So to me, the performance increase over my current desktop would be massive. But on second thought, if I have stuck with such a slow system this long, I might another 3-5 months for Piledriver.
    Reply
  • Taft12 - Wednesday, October 12, 2011 - link

    <i>The power consumption is absolutely through the roof -- unacceptable for 32nm, really!</i>

    Uhh, you did see the bar graph for idle power usage, right? And keep in mind this is an 8-core CPU compared to 4- and 6-core competitors.

    Like you, I'm also very interested in the 4- and 6-core Bulldozers. Anand let us down by only reviewing the flagship Llano. Hopefully he doesn't do the same with Bulldozer.
    Reply
  • Tom Womack - Wednesday, October 12, 2011 - link

    Yes, the idle power is significantly worse than either of the Sandy Bridge platforms he's comparing it to Reply
  • JasperJanssen - Wednesday, October 12, 2011 - link

    What Anand reviews is mostly down to what AMD will let him have -- even sites the size of Anandtech don't simply get to call and order parts from a catalogue for review samples. Reply
  • Taft12 - Wednesday, October 12, 2011 - link

    AMD doesn't have much control over "review samples" that can be purchased at retail, as you can do with the A4-3300 et al. for weeks now Reply
  • enterco - Wednesday, October 12, 2011 - link

    I read that 'at 1920x1200/1080 the gaming performance depends much mure on the GPU. Anyway, I'm happy with my i5-2500k ;-), Bulldozer does not seem to worth the wait. Reply
  • ninjaquick - Wednesday, October 12, 2011 - link

    Blame shitty game developers. Reply
  • AssBall - Wednesday, October 12, 2011 - link

    Kinda what I was thinking. When they are all developing games for a 6 year old 3 core PowerPC system with 512MB RAM (xbox) instead of a computer, its no bloody wonder. Reply

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