Yup - trying to run 64-bit T:ANE or TRS19 at acceptable performance levels on an i3, Celeron or Pentium CPU is folly - minimum spec recommended is an i5 quad core, whilst several older i5s and even some epic early-gen i7s now struggling to keep up.
Latest gen i5s, i7s and i9s are superb (and more affordable) with more cores and hyperthreading, thanks to the recent pricing and performance competition from AMD's breakthrough Ryzen CPU lines.
As always though, with T:ANE and TRS19, it is best to invest more in your GPU than for your CPU, since it is the graphics card that mostly influences framerates and smooth gaming experience.