So I know CPUs have different clock speeds etc. but what exactly makes a CPU faster or better?
Why is e.g. my 5 year old 4-core 3GHz CPU worse than my new 4-/6-core 3GHz one?
In: Technology
There is more to a CPU than just clock speed such as the size and type of cache, bus type, whether or not it has hyperthreading, amount of cores, thermal output, etc.
A CPU with 4 cores and no hyperthreading on an older bus type will perform poorly compared to a newer CPU with 6 cores that has hyperthreading with the latest bus type that optimizes for speed when they have comparable clock speeds.
[here](https://www.pugetsystems.com/labs/articles/Specs-Explained-CPU-137/) is a decent article explaining what different CPU specs actually mean as your question itself is flawed and incapable of being answered.
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