Performance drop when using two monitors

mtthwk

New Member
Hey there.

When I am using two monitors during my stream I have huge performance drop.
For example:
Streaming CSGO in 1080p60, using one screen, I have 360-420 fps. But when I plug in my second monitor, the fps drops to ~130 but it feels like 30. The interesting part is, the stream still looks good, the gameplay on twitch is still smooth, no lags, no droped frames, only I experience the performance drop.
I experience it not only while playing CSGO, but also while playing Valorant, Escape from Tarkov or anything else.
Here is my specs:
  • Motherboard: ASRock B550 PRO4 (brand new)
  • CPU: AMD Ryzen 5 3600
  • Memory: 4x8GB G.SKILL FlareX 3200
  • GPU: Nvidia RTX 3060 TI LHR (brand new) - previously I had an Nvidia 1070, but I replaced cuz I thought it will solve the issue.
  • Monitor #1: MSI Optix MAG251RX Gaming, 24.5", 240Hz, 1ms (connecting through display port)
  • Monitor #2: BenQ EW2750ZL 27" (connecting through HDMI)
  • PSU: XFX PRO650W
My OBS settings:
1635857880571.png1635857940786.png1635857979496.png1635858021483.png

Latest stream log file:

I have friends who have worse PC and their streaming setup works perfectly with two monitors as well.

If you need more details please let me know.

Thank you
Mate
 
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