Upgrade considerations aside ... the Ryzen 5 5600 or Ryzen 7 5700 with an entry-level DDR4 motherboard and a 32GB DDR4 kit offers a much lower entry point compared to a DDR5 build.
However, our test kit had quite loose CL40 timings ... the gaming RAM world is still a star contender if you want to upgrade a DDR4 system, especially at current prices. If you only have 16GB ...