STUTTERING & LAG / FRAME RATE Drop

[WarIchDas]

I've played around in both DX9 and DX11 mode and found that frame rate limiters and/or max frames rendered ahead set to 1 and/or various Vsync and TB settings can greatly reduce microstutters, but to completely fix them and get silky smooth buttery stuff you don't need any of that! You just have to use DX11 mode (VSync enabled) and edit the registry. In the HKEY_CURRENT_USER\Software\Eidos\Deus Ex: HR folder, set D3D11_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS to 1. Done.

[SunsetAmethyst]

I didint even have to do that much, just turn on and off Vsync and Triple buffering and then finally turn them back on again and it was gone for the rest of my playthrough.

[Tenshinen]

Just turn Anti-Aliasing off. All it does is smooth out jagged edges, and considering they're almost unnoticable, it's useless.

[Nowinskit]

I only discover this fix of registry now when i just finished the game, but it works fine, nice job.