Check online to understand exactly what each of them do, it really is important. in enblocal.ini is something you'll have to play with for a bit.

There are some settings that depends entirely on your specs and other things that has to be considered such as are you using lot of textures or not. So try and play with different settings to see what's best for your computer. Some settings depends of the computer, for example, fps clamp, for some it's better off while for some it's better on. This guide is mostly made for people with high-end computers, it sure is a good thing to use this guide with a low-end computer but don't except to be able to play with 4k textures and/or lot of mods, you can't magically make the game run better using 4k textures and lot of mods using a 2008 computer but the guide could help nonetheless but if your game is unmodded and has no textures mods then the game should already run smoothly, since Fallout: New Vegas is a 32bit game, the game is limited on resources and memory, thanks to the consoles but also thanks to the modding community, we are now able to make it run a lot more smoothly even with tons of mods and textures mods. Do you want to get rid of that horridous lag and the annoying stutter? If so, look no further, this guide is the best guide you'll find as of today, simple and straightforward so anyone can understand it well.

New vegas grass mod