is single core und multicore cpu better for my usage? Core i7 or ryzen 7? deciding between HP ProBook 450 G9 or455 G9 or any recommendations? 32 gb minimum not more than 1k
More cores is better. For processor, I prefer AMD personally, but intel also is good.
Honesty, your setup right now is pretty good already for poker, you just need to add RAM and you should be ok.
Right now my pc has 32gb ,Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz 3.60 GHz, Gforce gtx 1050ti