Intel DZ87KLT-75K LGA1150 Desktop Motherboard Review


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x264HD 5.0 Benchmark Tests

Tech ARP’s x264 HD Benchmark comprises the Avisynth video scripting engine, an x264 encoder, a sample 1080P video file, and a script file that actually runs the benchmark. The script invokes four two-pass encoding runs and reports the average frames per second encoded as a result. The script file is a simple batch file, so you could edit the encoding parameters if you were interested, although your results wouldn’t then be comparable to others.

This is another example of a useful benchmark that’s based on real-world code. I like encoding benchmarks since they’re one of the few tests that can measure a real-world use of the power of modern multi-core processors. I like this particular benchmark since it’s the best “overclock killer” I’ve seen: systems that will run most stress tests all day long with a given set of overclock settings will crash on this benchmark.


Results scale as expected with this purely CPU-bound benchmark. Auto and manual overclocking boost results by 12% and 22% in Pass 1 and 11% and 21% in Pass 2.

I describe my overclocking experience with this board in the next section.


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  1. Stefan

    Hello David,

    I am commenting on this page in the hopes that you will sell me this beautiful piece of hardware that I have been unable to find anywhere else. I am kindof hoping that you don’t like it and arent using it, but I fell in love with it a while back but couldn’t afford it then. now that I revisit my pcpartpicker build I found out that it is not available anymore. Please, please let me know if you are willing to part with it.

    Best regards,

  2. David Ramsey

    Hi Stefan,

    Sadly, that motherboard has been in a landfill somewhere for years. Did you notice in the article that it was a pre-production board? It failed a couple of weeks after the article was published, and when I reached out to Intel to see about getting it repaired, I was informed that they don’t offer any kind of warranty _or service_ on review items.

    The only working Intel motherboard I have is a DX79SI, which is LGA2011. I’d sell it cheap, but honestly, given the fact that it’s also a pre-production board that you’d never be able to get serviced, I wouldn’t recommend spending any money on it.

    You know Intel’s left the consumer motherboard business, right?

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