Maybe the game does well when its not split up and cache is shared? No idea. You can see 8c8t is faster than 8c16t too.. so it doesn't like HT I guess?
https://www.guru3d.com/articles-pages/battlefield-v-pc-performance-benchmarks,4.html
https://www.guru3d.com/articles-pages/battlefield-v-pc-performance-benchmarks,4.html