Coauthor of the blog post here. You're right, I said it on the live stream we had today but forgot to mention it in the blog post: the i5 is from a Lenovo ThinkCentre M72e.
They're available refurbished for less than the cost of a Pi 4 these days, so it seemed to be a good comparison!
bioemerl|2 years ago
I super recommend it, if you can afford the extra 10 to 15 watts of power.
TheFragenTaken|2 years ago
boringuser2|2 years ago