I suspect Linode's cost of operation is simply higher. I did some CPU and disk benchmarking of VPS'es 10+ years ago and found that vCPU effective performance v

I suspect Linode's cost of operation is simply higher. I did some CPU and disk benchmarking of VPS'es 10+ years ago and found that vCPU effective performance varies a lot. But that does not account for the difference in cost for dedicated machines, like you investigate.