This is comparing different DE’s how is this at all useful? They could literally compare kde in Wayland and x11 directly (at least until 6.8) and yet didn’t? This is more comparing different implementations in an apples to oranges comparison than Wayland and x11 implementations in an apples to apples comparison.

Only ran once, doesn’t measure x server cpu usage, claims “not necessarily more efficient” despite kwin and labwc showing higher framerate for seemingly similar power usage numbers, no discussion of e.g. frame times, consistency and cpu vs gpu limited…

Wayland is just the protocol. You’re benchmarking a bunch of different wayland compositors against XOrg, and from the looks of things, at least one (mutter) is worse in every metric than XOrg, so the headline of the article is misleading.