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FSX-SE low FPS in addon airports

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My computer (Dell Vostro 7510) specs are:

i7-11800H, RTX 3050 Ti Laptop GPU, 16GB memory (I know this won't matter much) and plays the game usually under 1920*1080

My problem is that when I am in the addon airports such as Flytampa VHHX, the FPS would drop to around 15 (typically around 40 without addon airports)

Is there any solution to boost the FPS to at least 25?

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I guess you need to back off in some settings (namely, autogen, AI traffic and scenery complexity).

But, since you have a laptop, there are two things you need to be sure of:
- FSX is using your 3050, and not your integrated graphics. If I remember correctly, you can check that in NCP.
- Your CPU is not throttling (you can use either HWMonitor or HWinfo for checking the current CPU clock frequency in GHz).

The latter is because, all the times I flew in laptops, I had to reduce CPU clocks (to something a bit below boost freq) so that it would never throttle. I used to do that with ThrottleStop, but with newer CPUs, I'm not sure it can be done. Othet than that, would be disabling boost, but you'll end up stuck with 2.3 GHz.

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Best regards,
Luis Hernández 20px-Flag_of_Colombia.svg.png20px-Flag_of_Argentina.svg.png

Main rig: self built, AMD Ryzen 5 5600X with PBO enabled (but default settings, CO -15 mV, and SMT ON) Ryzen 7 5700X3D (with SMT off and CO -50 mV), 2x16 GB DDR4-3200 RAM, Nvidia RTX3060 Ti 8GB, 256 GB M.2 SSD (OS+apps) + 2x1 TB SATA III SSD (sims) + 1 TB 7200 rpm HDD (storage), ID-Cooling SE-224-XTS air cooler, Viewsonic VX2458-MHD 1920x1080@120 Hz, Windows 10 Pro. Runing FSX-SE, MSFS and P3D v5.4 (with v4.5 default airports).

Mobile rig: ASUS Zenbook UM425QA (AMD Ryzen 7 5800H APU @3.2 GHz and boost disabled, 1 TB M.2 SSD, 16 GB RAM, Windows 11 Pro). Running FS9 there... sometimes on just battery! FSX-SE also installed, just in case. 

VKB Gladiator NXT Premium Left + GNX THQ as primary controllers. Xbox Series X|S wireless controller as standby/travel.

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