In the past, they have provided information on which workloads they use.

For instance, the file compression workload on version 6:

This workload compresses and decompresses the Ruby 3.1.2 source archive (a 75 MB archive with 9,841 files) using different compression codecs (such as LZ4 and ZSTD). It also verifies the files using the SHA1 (Secure Hash Algorithm 1) function.

https://www.geekbench.com/doc/geekbench6-cpu-workloads.pdf