source: techlila

Windows 10 has many great features that add to its simplicity and usability, but some of the important features are working in the background making a difference.

What is Superfetch?

Superfetch is a feature that has been here since windows vista but has evolved significantly over time. Superfetch works to “increase system performance overtime” as described by Microsoft. But does this really work and do you need this feature? let’s find out.

So, basically superfetch works on two things

  • Boot time management
  • Application loading time management

It manages the boot time of the system by pre-loading the important and frequently used file in the ram for faster boot time.

It also claims to decrease the application launch times significantly over time. Actually, it analyses the usage pattern of the user and preloads the desired programs in the ram quite early, and it gets better everyday by analyzing your daily usage pattern so you will not notice any performance boost in the start but you will surely notice it over time.

Don’t misinterpret it with cache memory, superfetch is far better as it analyzes your usage pattern and then loads the application files in the ram accordingly, whereas cache gets flushed out from ram after a reboot.

Myths related to superfetch

  • It uses up all the ram

Actually, it is analyzing and making use of the ram accordingly, don’t check if your ram is empty or not, as you are not utilizing the free ram, superfetch uses that space for a faster experience.

Superfetch has a low priority on the ram space, so if you open any new application then the space granted to superfetch will be automatically cleared.

  • Increased boot times

As I mentioned, it increases performance over time. You may feel the boot time to be sloppy but it will get better over time. And even if you do have a slightly increased boot time then it is ok as compared to the faster application load times.

Should you disable superfetch

NO, absolutely not Microsoft has made this feature to help you get a better and fluid experience. If your laptop has a decent ram then make use of it rather than to keep it empty. Even if the ram is utilized 80-90% you should not disable superfetch as the memory is meant to be used, right. Disabling it won’t provide you any better performance. But if you have a small ram space or you are on SSD then you can disable it. Since SSD already has quite fast speed.

How to disable superfetch

Step 1: In the windows search type services and press Enter.

Step 2: Search for Superfetch or SysMain in the list.

Step 3: Right click and open properties.

Step 4: Set startup type to disabled and restart your PC.


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