Question / Help What Determines FPS Capture?

[jjamesville]

I can't really figure out a universal setting to capture with. Some games run fine with 8mbs and 60fps and then I can't for the life of me get Skyrim to capture smooth regardless of settings. Changing resolution doesn't seem to impact anything.

Is it a setting in OBS that needs to be changed or is it based on processor power or GPU or ram or what. If its GPU is it clock speed or overall video ram?

What makes this thing tick

 

[Floatingthru]

System specs does determine how well OBS will perform, and the higher the settings you are wanting to do the more cores/POWER you will want. x264 can use around 22 CPU cores at once for example. For the GPU you want a modern one with GDDR5 ram as slower ram means slower transfer speeds and ultimately slower overall performance. That is one reason why OBS is so fast as it uses the GPU quite a bit to render the scene and other magical things.

If you want us to help you with settings please post a log file so we can see your PC and settings you are currently using.
viewtopic.php?f=5&t=7144

If you are playing Skyrim with lots of mods that can be quite heavy on your PC which means OBS will not work optimally. I generally recommend people to cap fps to 60 and lower graphical settings if you are having performance issues. Of course a lot can determine FPS like games using all your CPU etc.

 

[jjamesville]

So your saying I would get better performance out of OBS if I had a 4gb graphics card as opposed to a 3? I plan on upgrading soon

 

[Floatingthru]

So your saying I would get better performance out of OBS if I had a 4gb graphics card as opposed to a 3? I plan on upgrading soon

More ram alone won't help, it depends on how good/fast/powerful the actual GPU is. What is your current set up? And what did plan on upgrading to? It is possible to buy a GPU that has more ram, but slower than what you actually have. Make sure you do your research when upgrading ;p

 

[jjamesville]

Right now I'm on a ATI Radeon HD 5770 and I'm looking into a gtx 780 which has 3gb but there's also the option of an overclocked gtx 770 with 4gb. Each have GDDR5

 

[Floatingthru]

So yeah, in this case the GTX 780 is more powerful than the GTX 770 because higher model numbers! (and cuda cores). Hope your CPU is powerful enough to feed that GPU also.

 

[jjamesville]

So the extra ram wouldn't benefit for capture, just for running multiple monitors and the like

 

[Floatingthru]

Maybe in the future if games start using all 3gb of the ram, but who knows if/when that will happen. Usually by the time that happens the card itself will be the bottleneck, and you will upgrade again.