You can get SolidRun HoneyComb[0] for ~$1000, it has 16 cores with supposedly reasonable performance.
[0] https://www.solid-run.com/arm-servers-networking-platforms/h...
[0] https://www.solid-run.com/arm-servers-networking-platforms/h...
$659 ryzen 5800X
$250 motherboard
You can't compare it to owning a whole machine for several years, having bought it once.