Windows update will reduce Spectre and Meltdown patch performance hit to 1-2%

Expect Intel-based Windows 10 machines to receive a performance boost early next year

Why it matters: Spectre and Meltdown were seriously dangerous security
flaws and companies rushed to secure their devices. Because most of the
protections were quick patches rather than well-thought-out security
systems, performance suffered as a result.

Gaming performance on Intel processors dropped by 3-4% on average, 5% at
most. But SSD storage suffered the most, where people were complaining
of up to 30% decreases in speed. Fortunately, by enabling the Retpoline
mitigation strategy with the Windows 10 19H1 update coming early next
year, performance will be uplifted to only ~1-2% below to where it was

Alex Ionescu noticed that his Surface Pro 4 running the Windows 19H1
beta had much faster storage speeds, and asked a Windows Kernel
developer if they'd managed to lessen the performance impact of the

This is good news, especially for Intel-based systems that were the most
affected but it seems that Microsoft won’t be backporting the update
(adding it to previous Windows 10 builds). Many companies that prefer to
stay on older but more stable versions of Windows won’t be happy that
they need to update to see the uplift, though for good reason
considering the last major Windows update did come with glaring issues.

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