I've been reaching the memory limit on my computer more often over the past few months, which has caused some slowdown. I know Windows can use a fair amount of memory for background services and bundled software. I installed Zorin OS on my ThinkPad and am considering Linux for my prebuilt HP desktop as well. Both systems have 16 GB of RAM. How likely is it that switching the HP desktop to Linux would make a noticeable difference?
3 Answers
Linux can look like it is using a lot of memory because it uses otherwise-unused RAM for file caching. That memory is released automatically when applications need it, so high usage by itself isn’t necessarily a problem. On a lightweight Linux desktop, a basic installation may sit around 20% of 16 GB, with only a small increase after opening a browser and playing a video.
With 16 GB, the operating system probably isn’t the whole problem. Browsers, especially with many tabs or video sites open, can consume memory quickly. Check which programs are actually using the RAM and whether the system is actively using swap or paging before changing operating systems. Disabling unnecessary startup applications or closing unused tabs may help just as much.
Linux will generally use less memory than Windows, but the exact difference depends heavily on the distribution and desktop environment. A lightweight option such as Linux Mint with Xfce should use less RAM than heavier environments like GNOME or KDE. If the HP has newer hardware, choose an installation image with a recent kernel for better compatibility.
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