And I've seen this for years. And over the years as I moved from 4.7 MHz 8088 systems to my current i5 laptop I have not found that adding more CPU power would stop this.
Why shouldn't an app run at full tilt till done?
And when I say "spike," I don't mean small, miniscule jumps. I mean leaps near and up to 100%, which keeps me from being able to do simple things like watch videos or surf the internet.
It seems to happen for no reason as well, occurring when I'm in the middle of a video, browsing the web, or when I try to do something as simple as watch a short YouTube video.
I use AVG anti-virus (previously Symantec) to scan my computer, and while Symantec used to find infections every now and then (and would immediately delete them), AVG has found none. I stopped using Symantec because almost every time the program opened for a daily scheduled scan, the CPU Usage would spike and it would slow down the computer.
An AVG scan that literally just finished before I started typing this paragraph found no infections.
I'm running a Dell Precision M6400 with an Intel Core 2 Duo processor and 16 GB of RAM. The reason I purchased such a large amount of RAM was so that the computer could run faster, but now having learned that RAM has almost no direct correlation with CPU power, what can I do, if anything, to "upgrade" my CPU or eliminate these spikes?