That might depend on the programs you run to get all that CPU and RAM usage.
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You'll spot the i9 desktop CPU and the enormous amount of RAM plus the GPUs still being used at near 100% levels.
Link 1: https://www.youtube.com/watch?v=sCfmM71NOTo
So it appears that you have to go to the extremes to avoid 100% use but is it worth it?
My thought is for the k52f you could turn the laptop into a better laptop by changing the HDD to SSD and up the RAM as you noted. But you will still see 100% use at times.
Thank you very much for the replies!
Of course, I don't care about the 100% spikes themselves, the problem is, my laptop slows down A LOT when CPU goes to 100%.
By the way, I'm running win 7 64 bit. During the observed period I was using Eclipse IDE while playing a YouTube video full-screen on Chrome, having Tomcat server and MySQL database running.
The spikes happen when I play/pause the YouTube video or when executing some Eclipse function.
So, if I do upgrade RAM, do you think CPU will still go to 100% but laptop won't slow down that much?
So does my (professional) laptop if McAfee's scan of all files is executed once a week (set so by the IT staff).
With that workload you should certainly do both: a faster CPU and more RAM. Only a benchmark will show what has the most effect in which situation.
Which, in practice, means a new PC. Or, even better, a second PC to serve as server for MySQL and Tomcat in your home network. Or maybe a smart TV or an Android box to view Youtube on while working at the PC.