What is SuperFetch and do you need Windows 10, 7

Could disabling SuperFetch improve Windows 10 performance? We’ll explain what SuperFetch is, how it works, and how to turn it off if it’s causing issues.

While it might not seem like it sometimes, Windows 10 is a big improvement over previous versions in many ways. But it can also feel slow and sluggish when not configured correctly. Many Ways To Improve Windows 10 Performance How To Improve Windows 10 Performance And Make It Faster How To Improve Windows 10 Performance And Make It Faster Windows 10 Works Pretty Fast – But You Can Make It Even Faster! We will show you free tweaks to increase speed and performance. You’re going to turn Windows 10 from Slow Poke to Usain Bolt into 12. Read more, there’s a lesser-known feature you should know more about: SuperFetch.

In this article, you’ll learn everything you need to know about what SuperFetch is how it works, why it might be problematic, and how to turn it off if something goes wrong.


How SuperFetch speeds up your PC

The official description of the SuperFetch service says it “maintains and improves system performance over time,” but that is vague and doesn’t quite explain the story.

SuperFetch is a feature that was introduced in Windows Vista. It stays quietly in the background, constantly analyzing RAM usage patterns and finding out what types of apps you use most often. Over time, SuperFetch marks these applications as “frequently used” and preloads them into RAM in advance.

The idea is that when you want to launch the app, it will start much faster because it is already preloaded in memory.

By default, SuperFetch is designed to take up all remaining RAM space with preloaded applications. But don’t worry as this is only for unused memory. As soon as your system needs more RAM (perhaps to load an application that has not been preloaded), it gives up the necessary memory.

Note that SuperFetch is not the same as Prefetch, which is the preload memory manager that was introduced in Windows XP. In fact, SuperFetch is the successor to Prefetch. The difference is that Prefetch hasn’t analyzed usage patterns over time and adjusted its preload settings accordingly.

Is SuperFetch really necessary?

For the most part, SuperFetch is useful. If you have a modern PC with at least average specs, SuperFetch performs great and you will never notice it. There’s a good chance SuperFetch is running on your system and you didn’t even know it, right?

But there are a few “problems” that can arise with SuperFetch:

  • Because SuperFetch is always running in the background, the SuperFetch service itself always uses CPU and RAM.
  • SuperFetch doesn’t eliminate the need to load apps into RAM; it just shifts the load earlier. Each time this load occurs, your system will experience the same slowdown as if you launched the application without SuperFetch.
  • System startup can be slow because SuperFetch preloads a packet of data from your hard drive to RAM. If your hard drive works at 100% for a few minutes every time you start or restart your computer, SuperFetch could be the culprit.
  • The performance gains of service host SuperFetch may be imperceptible when Windows 10 is installed on an SSD. Since SSDs are so fast, you don’t really need to preload. If you’re interested, check out our guide to moving Windows from hard drive to SSD. How to move Windows from hard drive to SSD to improve performance How to move Windows from hard drive to SSD to improve performance performance. But how can you squeeze a large Windows installation onto a small SSD? Windows users can easily migrate from hard drive to SSD in very short time. Read more about superfetch/sysmain https://windowliveupdates.com/

SuperFetch has also been known to cause performance issues while gaming, especially on systems that have 4GB of RAM or less. It’s unclear why this happens because it doesn’t happen for everyone, but we suspect that these are RAM-heavy games that constantly demand and release memory, which can cause loading and continuous data unloading.

Is it safe to disable SuperFetch? 

Yes! There is no risk of side effects if you decide to turn it off. Our recommendation is that if your system is working fine, leave it. If you are having issues with high hard drive usage, high RAM usage, or degraded performance during high RAM load activities, try turning it off and see if that helps. If so, keep it. If not, turn it back on.

If you want to improve performance on a space-saving system, we recommend that you change the virtual memory limit and change the visual effects. You can also try these tips for speeding up startup and shutdown as well as these tips for optimizing games on Windows 10.

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