Apple - M4 Ultra vs AMD - Ryzen 9 9950X vs AMD - Ryzen 9 9950X3D

Pick the Apple - M4 Ultra if you want the highest-scoring choice on raw spec strength. The lead is narrow (0.2 points), so the runner-up is a fair alternative if its specific strengths fit your use.

Pick the AMD - Ryzen 9 9950X3D when you want the same overall quality at a likely lower street price — the score gap is small enough to be invisible day-to-day.

Pick the AMD - Ryzen 9 9950X if its specific spec advantages line up; the score gap to the runner-up is small enough that this is a legitimate value play.