Xeons still can pull weight, but come with many more caveats now.

Q: Not too long ago, you’d buy a used Intel Xeon processor to get more than four cores in a CPU without going broke. Is that still a worthwhile route to take?

That trick isn’t dead, but most PC builders will find AMD and Intel’s consumer CPUs the simpler way to buy affordable processors with more than six cores.
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https://www.pcworld.com/article/3573079/is-it-still-worth-it-to-buy-a-used-xeon-for-a-diy-pc-build-ask-an-expert.html