I work a lot within premiere pro and after effects and do some light 3d work inside cinema 4d.
what is the best all round cpu for these programs that intel provides.
i had me eye on the 7940x but the 7900x is cheaper and seems to yield similar results.
Anyone got any tips or advice?
It going to depends on what you are doing in your workflow. Premiere Pro and Cinema 4d have quite well mutithreaded effects and features which love lots of cores, but After Effects is not well threaded and lots of cores actually slow down performance. For best After Effects performance the best rated CPU is a 6-core 4.7GHz i7-8700K processor. See this testing by Puget for the numbers to verify this. The reason it is outstanding with non-mutithreaded applications is the high basic core clock, i.e. the 4.7GHz Turbo Speed