This is worth reading.

https://tailscale.com/blog/quic-udp-throughput/

A few interesting things:

• More and more important traffic uses UDP
• The shift from TCP is driving optimizations that weren’t a priority before
• There’s an RFC for a QUIC perf test that includes requests per second
  • https://datatracker.ietf.org/doc/html/draft-banks-quic-performance-00
• CPU power states always matter when benchmarking