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Weird FPS issue switching monitors

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Still tweaking my new rig with the rtx4090. Wow, I am impressed with the improved performance over the old rig with the 3070ti. Whats happening is when i click on monitor 2 to perform a task, the frame rate drops by one half, and the mouse cursor has to be clicked well left of the buttons. I am playing the game on monitor 1. Why would switching to monitor2 cause this to happen. Never happened on the old rig.I am using TAA with frame generation ON. Monitor 1 is on a DP and is 4K, monitor 2 is HDMI and is a 1440p.

Edited by Jeff D

i9-14900 3.2GHz 64 GB Ram RTX4090

Frame Generation only works on your " main monitor" as selected in windows and nvidia CP , its annoying i know i have the same with my dual monitor set up , just have to get used to it 😏

ROG Crossair Hero X670e , 9900X, TUF 4090 , X4 NVME's. OS  2TB 980 Pro , MSFS  2TB WD Black , Kington Fury 64GB ram ( 6000) Corsair RM1000 PSU, Artic Freezer iii 360 AIO  . Phanteks P600s Case ,TCL QM8B 50" 120 Hz  TV,second 24 inch screen for charts you tube etc, and 11" touch screen for the EFB. Warthog Stick and TCA Captains throttle ( full pack)  Velocity 1 Rudder Pedals , extreme3D for the Tiller,Streamdeck XL x2 / Streamdeck +/Streamdeck mini because i like pressing buttons 

  • Author

Got it. Thanks

i9-14900 3.2GHz 64 GB Ram RTX4090

I'm not sure that's the only reason this is happening, because it happens to me when I switch out of VR. Everything, including the menus, gets ultra slow, and the mouse cursor is half an inch or so below what actually gets clicked.  And I have a 3070Ti and am not running any FG mods.

Like OP, I'm doing a resolution switch when I drop from VR, from the 4k Reverb G2 to the HD monitor.

I suspect MSFS is freaking out at the resolution change and doesn't know what to do with itself.

 

Ryzen 7 7800X3D/B650 X AX | 5090 | 32gig | Win10 | Pimax Crystal Light

On 6/2/2024 at 2:35 PM, Jeff D said:

Still tweaking my new rig with the rtx4090. Wow, I am impressed with the improved performance over the old rig with the 3070ti. Whats happening is when i click on monitor 2 to perform a task, the frame rate drops by one half, and the mouse cursor has to be clicked well left of the buttons. I am playing the game on monitor 1. Why would switching to monitor2 cause this to happen. Never happened on the old rig.I am using TAA with frame generation ON. Monitor 1 is on a DP and is 4K, monitor 2 is HDMI and is a 1440p.

Hi Jeff,

I not only have this issue with FG on but also I often see oscillating brightness out the window looking at various types of tarmac in certain lighting conditions when moving or panning and it's frequently enough that I don't use FG.  What was the biggest asset for 4090 for me is putting Render Scaling at 160 and of course ample VRAM now.  I also use AMD FidelityFX maxed at 200 along w/ TAA and this renders the best possible image quality and can maintain a frame rate of at least 45 anywhere in any plane.  By the time you get to 45 the benefit of 60 or 70 fps doesn't add much, w/ the key being stutter-free and ultra smooth animation.  I can easily bump that base rate up to 60 often but there is little point except to run hotter and use more power.

Noel

System:  9900X3D Noctua NH-D15 G2, MSI Pro 650-P WiFi, G.SKILL  64GB (2 x 32GB) 288-Pin PC RAM DDR5 6000, WD NVMe 2Tb x 1, Sabrent NVMe 2Tb x 1, RTX 4090 FE, Corsair RM1000W PSU, Win11 Home, LG Ultra Curved Gsync Ultimate 3440x1440, Phanteks Enthoo Pro Case, TCA Boeing Edition Yoke & TQ, Cessna Trim Wheel, RTSS Framerate Limiter w/ Front Edge Sync.

Aircraft used in MSFS 2024:  Fenix A320,  Aerosoft CRJ, FBW, WT 787X, I-Fly 737 MAX 8, Citation Longitude.

 

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