Operating system: Windows-7-6.1.7601-SP1 64 Bits
Graphics card: GeForce GTX 660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 441.20
Broken: version: 2.82 (sub 6), branch: master, commit date: 2020-01-13 17:12, hash: rBc56526d8b68a
Worked: even 2.79 faster
Short description of error
Speed of vertex drawing falling down mostly with polycount.
I have free RAM, My CPUs aren`t overloaded.