У вашего броузера проблема в совместимости с HTML5
Here is the fix how to manage to run Far Cry 4 buttery smooth.
1.Navigate to: c:\Users\Your username\Documents\My Games\Far Cry 4\
2.Open GamerProfile.xml file with Notepad.
3.Find DisableLoadingMip0 = "0" and change it to DisableLoadingMip0 = "1"
4.Find GPUMaxBufferedFrames="0" and change to GPUMaxBufferedFrames="1"
5.Save the changes.
6.Enjoy the game stutter free.
7. If you have any question ask me.
Here is my config:
Asrock Z68 EXtreme 3 gen 3 motherboard/Intel core i5 2500k@4500Mhz\ MSI Gaming GTX 780Ti@1277Mhz core, 3566Mhz Mem\ 8Gb Kingston HyperX 1600Mhz DDR3\ Corsair 800W PSU\OCZ Vertex 3 120Gb SSD\1TB WD Green\Corsair Obsidian 900D case\Windows 8.1 prox64 bit operation system\watercooling.