Performance increase (FPS) in Battlefield 4 (Battlefield 4)

create a user.cfg file in the root folder of the game (do not forget to set the file extension correctly)

write in it:

RenderDevice.dx11Enable 0
RenderDevice.dx11Dot1Enable 0
RenderDevice.dx11Dot1RunTimeEnable 0
RenderDevice.Vsyncenable 0
RenderDevice.RenderAheadlimit
0
RenderDevice.TripleBufferingEnable 0
worldshadowrender.spot spotlightshadowmapresolution 256
worldrender.TransparencyShadowmapsEnable 0
PostProcess.DynamicAOEnable 0

save, start the game and enjoy!!!
Video instruction: