The software patches for the issues will be available later this month.The majority of people shouldn't install brand-new operating system versions on the first day, and Windows 11 is no exception. AMD has released details on two issues that might slow down Ryzen processors running Windows 11 by up to 15%, however the amount of slowness you experience depends depend on what you're doing and the CPU you're using. Both issues are expected to be resolved before the end of the month, according to AMD.
The first flaw discovered by AMD increases L3 cache latency by up to three times, hurting programmes that require quick memory performance. According to AMD, most impacted apps would slow down by 3 to 5 percent, while some "games frequently utilised for eSports" may suffer a 10 to 15% slowdown. According to AMD, a Windows update will cure the problem later this month, so as long as you check for and install Windows updates on a regular basis, you won't have to do anything extra to repair the problem.
The second flaw is connected to an AMD processor feature that, while performing sparsely threaded activities, seeks to exploit your fastest individual CPU cores rather than treating all cores equally. AMD doesn't give a figure for this, but says the issue "may be more apparent" in CPUs with eight or more cores and a TDP of 65 W or more. This would cover most Ryzen 7 and Ryzen 9 desktop CPUs and APUs from the 2000, 3000, 4000, and 5000 series. AMD claims a "software update," rather than a Windows update, will be published later in October to solve the problem, so you may need to install new AMD chipset drivers or other software to obtain the patch.
Performance slowdowns caused by several of Windows' virtualization-based security features are unrelated to the AMD Ryzen problems. Memory Integrity security feature has been proven to lower speed by a few percentage points in various games and ordinary computer activities, according to tests by sources like Tom's Hardware, however the results vary significantly depending on the programme you're using and the CPU you have. The function is included in both Windows 10 and Windows 11, although it is disabled by default on all except the most current laptops and desktops supplied by major PC manufacturers.
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