Old games? from a ryzen owner, whatever you chose, go Intel. Single core perf isn't everything, some old games simply perform worse on ryzen for some absurd reason. Warrock and league of legends are some example. WR runs 140 fps solid on a 7700,8700k... even on a 4790k. Go with a ryzen and experience drops to 60-80. League of legends runs very well if you stick to one CCX and only use physical cores (no SMT threads) but only 144-200 fps solid depending on IF clock... skylake and above run 300+ fps.
Edit: i want to specifically state that i have 200 solid FPS (almost no drops) in league with a 3700x. If you buy a 3600 then you will have to assign the affinity of the 4th core on another ccx, which will result in decreased perf. By how much i dont know.
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