Some measurements are critical. How wide is it? How tall and how deep is it? Will it fit on my shelf? How loud will it play?
All the rest of the measurements are just marketing. I can’t hear numbers or even verify what the heck they’re actually measuring it certainly isn't sound quality.
If numbers are really that important you should be buying a calculator instead of a stereo. When I rent a moving van do I really care what its 0 to 60 time is. I’m sure it’s measured somewhere but would you rent one because of that or how many boxes it holds?
After you determine where you’re going to put it the only thing that matters is HOW DOES IT SOUND TO ME?
If you can’t answer that question without relying on someone else's numbers, maybe you’re in the wrong hobby.