It means it's only one generation behind Apple in ML performance instead of two or three.
Serious answer: it means it has intel's latest generation of laptop chips with better ML acceleration, and — better sit down for this cuz it'll blow your mind — a Copilot key on the keyboard, which nobody outside of Microsoft's branding department ever asked for.
I'll be interested to see the benchmarks. Intel should be tripping over themselves to catch up.