Windows 10: How much slower will your PC feel after patching for Spectre-Meltdown?


  1. Posts : 18,510
    Win 7 32, Win 7 64 Pro, Win 8.1 64 Pro, Win 10 64 Education Edition
       12 Jan 2018 #1

    How much slower will your PC feel after patching for Spectre-Meltdown?


    Intel has published both data collected from both users and synthetic benchmarks and the bottom line is that users will experience a real-world performance hit of about between six and eight percent, with systems running 8th-generation processors seeing a smaller impact than those running 7th- or 6th-generation hardware.

    Factors can swing the results, for example, 8th-generation systems running SSDs see a smaller impact, older systems with SSDs take a bigger hit, and some workloads, such as complex JavaScript operations, are more badly affected and could see as much as a 10 percent performance hit.

    When it comes to synthetic benchmarking, we get a picture that's a little more detailed. Again, the generalization that older systems will experience a bigger hit still holds true overall, but that different workloads can skew the results.


    How much slower will your PC feel after patching for Spectre-Meltdown? | ZDNet
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  2.    12 Jan 2018 #2

    Rough guestimating since I deleted the earlier benchmarks on my Win 8.1 laptop with an older i5 3210m I had a little under a 1% decrease in the multi-thread performance and a little over a 1% decrease in single-thread performance. Pretty much in the margin of error ?

    Thing is, it actually "feels" faster but that could possibly be from the other updates I installed at the same time ?
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