Yeah, but at 176 FPS, at first glance it seems competitive with the abilities of some fairly recent dGPUs from nvidia/AMD, though obviously we don't have benchmark-level details here.
I think this is an article allowing quiet optimism rather than all-out celebration.
The boosted framerate picture seems to show noticeably less of the rain effect.
It's not the author's fault that GTA VI hasn't come out yet.