The performance gap definitely exists, but at least it has narrowed a bit with recent releases. Particularly, with the 1.18 release Java edition finally separa

The performance gap definitely exists, but at least it has narrowed a bit with recent releases. Particularly, with the 1.18 release Java edition finally separated render distance and simulation distance. Bedrock edition (and java edition mods like spigot) had this already for years, but before 1.18 in Java edition you couldn't turn up your render distance without also increasing the number of chunks your game was simulating. For single player (where the chunk processing is happening on your computer, not the server), this makes a huge difference.