You say “same kernel as Arch,” but Arch has five officially supported kernels, and you can choose any of them while you build your system. EndeavourOS allows you to switch kernels, but it’s assumed you will install the latest mainline kernel and you are only given LTS and Zen as additional options.
If you use LTS or Zen, or especially if you use Hardened or Real-Time, vanilla Arch is a different experience re:kernel.
It’s also part of why humans and dogs get along so well. Grey wolves (and, to some extent, many other canids) are also among the best animals at persistence hunting.