How much can we trust these charts?
I trust them only as a general starting point, and for some pickups it is not even that. I give you two examples under the old system (B/M/T):
Super Distortion 8/7/6, output 410
Breed Bridge 8/9/5, output 365
From that you would conclude that they do sound somewhat similar, the Breed maybe with a bit more mids, less highs and a bit less output.
Back-to-back experiment in practice (bridge position of a PRS Custom, standard tuning, 9-43 strings currently).
Result: they sound TOTALLY different. Not even close.
Super Distortion: heavy low/low mid emphasis, low end is tight but not super tight, midrange is rather dark (think of an "ah" vowel tone like in "bucket", not like in "bag"), the 1st and 2nd strings are very bright, bordering on thin/shrill, and that was with a load of approx. 375k. With 500k I expect that it would have been even brighter/thinner on the top strings. Very one dimensional overall in this guitar. Clean very dark but certainly workable.
Breed Bridge (with 500k load): heavy mid emphasis, mostly center mids but also low mids but overall the midrange is not as dark (think of an "aeh" vowel tone like in "bag"), loose low end, very smooth top end, a lot of fun to play overdriven single notes on the top two strings, nothing thin here and nothing edgy either. Clean very warm with almost no sparkle on top.
Cheers, Stephan