Microsoft is quietly testing a new performance feature for Windows 11 that could make the operating system feel meaningfully more responsive during everyday use, addressing years of user complaints about sluggish menus, delayed app launches, and inconsistent system performance. The new performance boost feature is called the Low Latency Profile and will ramp up the CPU frequency in short bursts when opening apps, system flyouts, and context menus, with sources saying the feature boosts the CPU to maximum frequency for between one and three seconds whenever the user attempts a high-priority task such as opening an app or system flyout like the Start menu. The feature is already being tested within the Windows Insider Program, and early results from testers have been notably positive.
When enabled, the boost can result in up to 40 percent faster app launch times for built-in apps like Edge and Outlook, and up to 70 percent faster launch times for interfaces like the Start menu and context menus, with the feature also positively impacting the launch speed of most common third-party apps. The Low Latency Profile is activated once and then applies to the entire computer, with Windows 11 automatically detecting when it is necessary to boost central processing unit speed, ensuring a smoother user experience, while the spikes are intended to last for just one to three seconds to prevent the mode from having a negative impact on processor temperature or battery life, running on Windows Task Scheduler which is event-driven and can therefore respond quickly to short-term needs. Users observing the feature through Task Manager can see central processing unit usage spike as high as 96 percent before dropping back down immediately after the task is initiated.
This new feature is part of Microsoft’s Windows K2 effort, where the company has committed to improving the overall performance and responsiveness of Windows 11, including boosting central processing unit performance in short bursts for common tasks as well as optimising legacy code and migrating more areas of the operating system to modern frameworks. The approach has drawn comparisons to how macOS handles similar interactive tasks, and the comparison has not been without controversy within the developer community. Scott Hanselman, vice president of technical staff for CoreAI, GitHub, and Windows, defended the speed boost changes by pointing out that smartphones already do this and that Microsoft is not cheating by boosting central processing unit clocks temporarily, noting that Apple does this and that it is a common practice used by macOS and Linux to dynamically scale a processor to prioritise interactive tasks.
As of April 2026, only 70 percent of machines in Microsoft’s ecosystem were running Windows 11, a figure that points to persistent adoption resistance that improved performance could help address, particularly for users on older or budget hardware where the gap between the perceived responsiveness of Windows 11 and competing platforms has been most pronounced. The Low Latency Profile remains unannounced officially and it is not yet clear whether a user-facing toggle will be included when the feature ships, but its presence in Insider builds suggests a wider rollout is being planned as part of Microsoft’s ongoing commitment to closing the performance perception gap that has dogged Windows 11 since its launch.
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