I just found out that at least in my case there is a massive difference in fps between using Java 32bit and 64bit. When I don't move, the game runs with ~130 fps (Intel E8400, nVidia GTX 260 (216 Cores)). View distance is 12 chunks. When moving/flying: 32bit: 20-60 fps 64bit: 50-100 fps
I just found out that at least in my case there is a massive difference in fps between using Java 32bit and 64bit.
When I don't move, the game runs with ~130 fps (Intel E8400, nVidia GTX 260 (216 Cores)). View distance is 12 chunks.
When moving/flying:
32bit: 20-60 fps
64bit: 50-100 fps