OBS causes framerate drops down to 20fps every minute or so

[Muzzles56]

Recently got a new graphics card (r9 280x) and ive been streaming a bit recently. On every game, even low spec ones like l4d2, my framerate drops to 20fps every few minutes. Pretty much always 20fps. It recovers after about 5-10 seconds or so. This did not happen with my old card (Radeon 7770). When not streaming, I hit frames of 60+ on the same games. Updated drivers and no difference happens

Specs:

• Motherboard: Asus M5A78L-M/USB3
• CPU: FX-8120 (3.1GHz, 8 cores)
• GPU: r9 280x
• PSU: 750W (Dunno what else to write for this)

OBS settings:
http://i.imgur.com/fSLZ7ry.png

People tell me they cant see a framerate drop on stream, but it happens to me.

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[Steve5451²]

You should install something like Rivatuner and watch what your CPU cores and GPU usage do when this happens.

[Muzzles56]

When the framerate drops, the CPU usage increases and the GPU usage decreases. Odd...

[Steve5451²]

Alright, so it's the CPU. Something is likely running in the background every few minutes to do that. Try watching the task manager on idle and see if any particular process is jumping the CPU usage up every few minutes.
Also type msconfig in run or the start menu and check out what's going on in startup. You might find the particular process that starts with your computer that is periodically eating your processor.

[Muzzles56]

No processes jump up the usage when idle, but OBS does when streaming

All I have runnin gon startup is avast, speccy and the alienware macro key thing. I dont see avast do much when I stream either

[Muzzles56]

Bump
need halp pls :(