Ramping/Pyramiding on Assistance Work?

When doing assistance work for the purpose of building muscle mass, which looks like a better strategy for ramping/pyramiding:

3 x 8-12 on exercise

50x12
65x10
80x8

or…

50x8
65x8
80x8

or does is there no real difference between the two?

I also know that some lifter use straight sets on assistance, but I am not really interested in doing that.

Thanks.