Title: Openai/694987c8-da48-800d-87eb-15c875008f80 - freem URL Source: https://freemwiki.com/index.php?mobileaction=toggle_view_mobile&title=Openai%2F694987c8-da48-800d-87eb-15c875008f80 Markdown Content: _This conversation was exported from ChatGPT_[[1]](https://freemwiki.com/index.php?mobileaction=toggle_view_mobile&title=Openai%2F694987c8-da48-800d-87eb-15c875008f80#cite_note-1) ## gpt-5-2[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=1 "Edit section: gpt-5-2") ### User: We have a fellow with a AMD7800X3D, RTX5080, 32B system ram.[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=2 "Edit section: User: We have a fellow with a AMD7800X3D, RTX5080, 32B system ram.") We have a fellow with a AMD7800X3D, RTX5080, 32B system ram. He says MSFS 2020 ran very well on this system. In moving to MSFS2024 he's finding in the plane a terrible frame rate which actually went down from 40-60 on the ground to 14FPS a few thousand feet up. DevMode's FPS counter says he's GPU limited, and yet the Main Thread is at 40ms. What might he start looking at? ### Assistant: That combo should not behave like that in MSFS 2024, so this is almost certainly a configuration / engine-interaction p…[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=3 "Edit section: Assistant: That combo should not behave like that in MSFS 2024, so this is almost certainly a configuration / engine-interaction p…") That combo should not behave like that in MSFS 2024, so this is almost certainly a configuration / engine-interaction problem, not raw hardware. The key clue is this: GPU-limited, yet Main Thread ~40 ms, and FPS drops after takeoff That pattern narrows things down a lot. Below is a prioritized checklist, starting with the most common MSFS 2024–specific traps I’m seeing. #### 1. Frame Generation / Upscaling mismatch (VERY likely)[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=4 "Edit section: 1. Frame Generation / Upscaling mismatch (VERY likely)") MSFS 2024 changed how DLSS, Frame Generation, and V-Sync interact. ##### What often happens[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=5 "Edit section: What often happens") * FG is enabled, but: - V-Sync is on (in sim or NVCP), or - A frame limiter is active (RTSS / NVCP / in-sim), or - G-SYNC + V-Sync combination is wrong This can cause: * GPU shows “limited” * Main thread time inflates * FPS collapses once airborne (more GPU work → worse feedback loop) ##### What to test (clean baseline)[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=6 "Edit section: What to test (clean baseline)") In MSFS 2024: * DLSS: ON * Frame Generation: OFF (temporarily) * V-Sync: OFF * In-sim frame limiter: OFF In NVCP: * V-Sync: Off * Low Latency Mode: Off * Max Frame Rate: Off If FPS suddenly normalizes → FG pipeline conflict confirmed. Once stable, re-enable FG carefully (no other limiter active). #### 2. Render Scaling / TAA carry-over trap[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=7 "Edit section: 2. Render Scaling / TAA carry-over trap") MSFS 2024 does not reset all 2020 carry-over settings cleanly. Common issue: * Render Scaling ends up >100 (sometimes 130–200) combined with DLSS This explodes GPU cost once clouds + terrain stream in at altitude. ##### Check:[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=8 "Edit section: Check:") * Render Scaling = 100 * If using DLSS: never stack high render scale on top If he’s running 1440p or 4K, this alone can explain 14 FPS. #### 3. Clouds & Weather (big airborne FPS killer)[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=9 "Edit section: 3. Clouds & Weather (big airborne FPS killer)") MSFS 2024’s volumetric clouds are much heavier than 2020, especially aloft. Symptoms: * FPS fine on ground * FPS tanks climbing through weather layers * GPU-limited reported ##### Test:[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=10 "Edit section: Test:") * Set Cloud Quality = High or Medium * Temporarily set Clear Skies * Retest same flight path If FPS jumps back → clouds are the culprit. #### 4. Terrain / Object LOD imbalance (7800X3D trap)[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=11 "Edit section: 4. Terrain / Object LOD imbalance (7800X3D trap)") The 7800X3D masks CPU bottlenecks until it doesn’t. At altitude: * Terrain radius increases * Object streaming spikes * Main thread balloons to ~40 ms But DevMode still flags GPU-limited due to pipeline wait. ##### Recommended starting point:[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=12 "Edit section: Recommended starting point:") * Terrain LOD: 100–150 * Object LOD: 100 * Avoid “Ultra” Object LOD This alone can cut main thread time in half. #### 5. Rolling Cache / Streaming regression[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=13 "Edit section: 5. Rolling Cache / Streaming regression") MSFS 2024 streaming is more aggressive and less tolerant of: * Slow SSD * Old rolling cache * Network jitter ##### Steps:[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=14 "Edit section: Steps:") * Delete Rolling Cache * Recreate at 16–32 GB * Ensure it’s on NVMe, not SATA * Test with Bing Data ON, Photogrammetry OFF (temporarily) Streaming stalls often show up after takeoff, not on the ground. #### 6. Background hooks (overlays, capture, RTSS)[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=15 "Edit section: 6. Background hooks (overlays, capture, RTSS)") MSFS 2024 is more sensitive to: * RTSS * GeForce overlay * Discord overlay * Recording hooks RTSS especially can: * Break FG * Cause false GPU-limited states ##### Test:[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=16 "Edit section: Test:") * Fully exit RTSS / Afterburner * Disable GeForce Experience overlay * No capture tools running #### 7. Known 2024 DevMode reporting weirdness (don’t trust it blindly)[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=17 "Edit section: 7. Known 2024 DevMode reporting weirdness (don’t trust it blindly)") DevMode in 2024: * Frequently mislabels the limiting factor * Reports GPU-limited even when the render queue is stalling on CPU or memory The 40 ms main thread is already a red flag: * That caps him at ~25 FPS even under ideal conditions So treat “GPU-limited” as symptomatic, not causal. #### What I’d do in 10 minutes (fast triage)[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=18 "Edit section: What I’d do in 10 minutes (fast triage)") 1. Clear skies preset 2. Render scale 100 3. Clouds = High 4. Terrain/Object LOD = 100 5. DLSS ON, FG OFF 6. No V-Sync or limiters 7. Kill RTSS / overlays If FPS recovers → re-enable features one at a time. #### Bottom line[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=19 "Edit section: Bottom line") This is not a weak system and not a “7800X3D can’t handle MSFS 2024” issue. It’s almost certainly: * Frame generation conflict * Excessive render scaling * Cloud + LOD overload * Overlay / limiter interference If you want, tell me: * Resolution * DLSS mode * FG on/off * Clouds setting * Terrain/Object LOD …and I can pinpoint the exact offender very quickly. ## References[edit](https://freemwiki.com/index.php?title=Openai/694987c8-da48-800d-87eb-15c875008f80&action=edit§ion=20 "Edit section: References") 1. [↑](https://freemwiki.com/index.php?mobileaction=toggle_view_mobile&title=Openai%2F694987c8-da48-800d-87eb-15c875008f80#cite_ref-1)["FPS drop MSFS 2024"](https://chatgpt.com/share/694987c8-da48-800d-87eb-15c875008f80). ChatGPT. Retrieved 2025-12-23.