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Significant FPS drop (~15 FPS) with TDS GTN 750 in AirfoilLabs King Air 350 (XP12)
#3
Hi, thanks for the prompt reply and the support!

The test with the freeware KingAir C90B, was successful, meaning that I have no FPS hit at all, when turning on the avionics.

My system specs are below, but generally, my system has the space for processing the GTNs without lowering the XP12 graphics. Keep in mind that I am in the range of 80s FPS before turning on the avionics. After turning the avionics on, a) in the AirfoilLabs KA350, it drops to 62-65 FPS, and b) in the C90B, there is zero impact, as said above.

System specs:
Custom Double Loop Water-cooled PC
MB: Asus ROG Crosshair X870E Hero
CPU: AMD 9950X3D
GPU: AORUS GeForce RTX™ 5090 XTREME WATERFORCE WB 32G
RAM: Trident Z5 Neo RGBDDR5-6000 CL28-36-36-96 1.35V96GB (2x48GB)AMD EXPO
Storage: Samsung SSD 9100 PRO NVMe M.2 4TB PCIe Gen. 5 x4
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RE: Significant FPS drop (~15 FPS) with TDS GTN 750 in AirfoilLabs King Air 350 (XP12) - by sViterbi - 05-17-2026, 12:22 PM

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