For years I have worked with FCP 6 on my quad G5 with 3gb ram.
This year I bought a 2009 Mac Pro 4,1 quad core and 16gb ram... with the idea of installing Premiere pro CC.
I also put FCP 7 on it.
What I cant figure out is why I can do great things with 3gb on my G5 system and
have all kinds of drop frame problems in FCP 7 on the 16gb system.
Does not make sense to me. Even with no overlays or multitracks It stalls on play
with drop frame errors. This cant be right.
Premiere is sluggish too and I have the recommended 16gbs of ram it asks for.
I wonder if I am doing something wrong. I thought Maybe I should have bought an 8core mac pro instead.
I read somewhere that some 2009 systems defaulted at booting up in 32bit but
I dont know how to check that and wonder if Premiere would even work in 32bit.
I read you can hold down 6 and 4 to boot in 64 bit... but must be a way to check.
What formats are you dealing with? What hard drives are they stored on? Now, the most current PPro will work on El Cap, and it's best to have it there. But FCP 7 was discontinued 5 years ago, last updated 6 years ago. The last supported OS for it was 10.6.8. El Cap is four versions beyond that, and each version moves another step away from full support. Many of the Final Cut apps stopped working under 10.9...Compressor, QMaster, Motion.
So it might be advisable to have one drive running 10.6.8 for FCP 7.
But yeah, sluggishness also is caused by some formats one edits. H.264, for example, is a very difficult format to deal with, even with Ppro.