Most games do not, unless you want the best graphics. But then you’re out of the 90% use cases
Apparently mainly CPU (rather than GPU) limited games tend to benefit from DDR5: https://www.techspot.com/review/3059-ddr5-vs-ddr4-gaming/
Apparently mainly CPU (rather than GPU) limited games tend to benefit from DDR5: https://www.techspot.com/review/3059-ddr5-vs-ddr4-gaming/