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The best-looking way to raise frame rates is to fix the actual bottleneck, not turn every setting to Low. First determine whether the graphics processor (GPU), processor or simulation thread, memory, or thermal system is limiting performance. Then use the game’s quality upscaler, reduce the few expensive settings responsible for the load, and test a repeatable busy scene. Keep textures relatively high when video memory allows, use frame generation only after the underlying frame rate is stable, and cap frames at a level the system can sustain consistently.
Start by finding the limiter
Open-world simulation games combine two workloads that are easy to confuse. The GPU draws terrain, lighting, shadows, weather and effects. The CPU runs traffic, agents, physics, streaming and other world-state calculations. A high average frame rate can still feel poor if one frame takes much longer than the next, so look at frame-time consistency as well as the displayed FPS.
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Signs of a GPU limit
- GPU utilization remains close to full load while the main game thread has spare capacity.
- Reducing output resolution, render scale or effects such as volumetrics and reflections produces a clear frame-rate increase.
- The game slows most in visually dense locations, during weather, or when many shadows and reflections are visible.
When these signs appear, prioritize internal-resolution reduction and GPU-heavy effects. Do not immediately lower texture quality: textures often affect perceived sharpness more than shadows or volumetric lighting, and lowering them may not help if the GPU is short on shader or raster performance rather than video memory.
Signs of a CPU or simulation-thread limit
- One CPU thread or the game’s main thread is heavily loaded while total CPU usage looks moderate.
- Changing resolution has little effect, but reducing view distance, traffic, object density or simulation complexity helps.
- Frame rates fall in cities, airports, settlements or other locations with many agents and interactive objects, even when the scene is not visually elaborate.
A CPU-limited simulation cannot calculate more traffic, agents or world state merely because the GPU displays additional frames. This distinction matters when deciding whether frame generation will help.
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Mixed limits and memory pressure
Some scenes alternate between limits. A camera turn may expose a GPU-heavy vista, then streaming or traffic may move the bottleneck to the CPU. Insufficient video memory can also cause texture streaming and stutter without producing a simple, constant utilization pattern. Diagnose the scene in which performance actually matters: the busiest town, airport, race section, weather condition or traffic situation, not an empty menu or quiet countryside.
Build a repeatable baseline before changing settings
Write down the game version, display resolution, refresh rate, upscaler mode, render scale, frame-generation state and major quality settings. Patches can change shader compilation, CPU load, memory use and supported reconstruction features, so an undocumented “best settings” list can become misleading after an update.
- Choose a demanding route that you can reproduce. Use the same location, camera direction, weather and traffic or population conditions where the game permits.
- Allow shaders and the world to finish loading before judging a run. Include the part of the route where frame pacing is worst.
- Record average FPS, the slowest-looking frame-time spikes, image stability during camera movement, input responsiveness, GPU and CPU load, VRAM and system-memory use, and temperatures.
- Change one setting or one related group at a time, repeat the route, and keep the change only if its visual cost is acceptable.
A short, repeatable test is more useful than an isolated peak FPS number. A configuration that holds its target in the worst area usually feels better than one that posts a higher average and repeatedly collapses when the world becomes busy.
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Laptops and hybrid systems may have an integrated GPU and a discrete GPU. Windows supports a per-app choice that can correct a game launching on the low-power adapter.
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- Open Settings in Windows.
- Go to System > Display > Graphics.
- Add the game executable if it is not listed, then select the game and choose Options.
- Select High performance, save, and restart the game.
Confirm the assignment with the game’s performance overlay or your monitoring software. If the game is already on the discrete GPU, changing this option will not create additional performance; it only removes an incorrect-adapter problem.
Use quality upscaling before a large resolution cut
Quality upscaling renders internally below the display resolution and reconstructs a higher-resolution image. Microsoft describes the underlying trade-off this way: “Without upscaling, players often must choose between visual quality and frame rate: raising resolution or graphics settings increases visual quality but can reduce frame rate, while lowering them improves frame rate but at the cost of image quality.” A good quality mode can preserve more detail than simply selecting a much lower output resolution.
Choosing a mode
- Quality: begin here. It provides the highest internal resolution among the usual upscaler presets and is the best first compromise when image quality matters.
- Balanced: use it when Quality does not meet the target in the busiest scene. Inspect thin geometry, distant trees, runway markings, fences and moving traffic for shimmer or breakup.
- Performance or Ultra Performance: reserve these for severe GPU limits or high-resolution displays where the base image remains acceptable. They reduce internal resolution substantially and can make reconstruction artifacts obvious.
Games may offer DLSS, FSR, XeSS or another equivalent. The implementation, supported graphics hardware and available modes vary by title and version. Compare the same moving scene rather than a still screenshot: ghosting, foliage shimmer and unstable fine lines are easiest to notice while panning the camera.
Lower expensive settings selectively
Every engine prices settings differently, but the following controls commonly have meaningful costs. Make the smallest change that removes the bottleneck.
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| Setting | Typical workload | Visual effect of reducing it | Practical approach |
|---|---|---|---|
| Render scale | GPU shading and pixel work across the whole image | Less fine detail and a softer image | Try the game’s quality upscaler first. In a Microsoft Flight Simulator troubleshooting case, support recommended a render scale of 80; treat that as a case-specific starting point, not a universal value. |
| Shadows | Shadow-map generation and filtering | Less contact detail and shorter or lower-resolution shadows | Reduce one step before lowering textures. Check buildings, aircraft, vehicles and foliage at the camera distance you normally use. |
| Volumetrics | Clouds, fog, light shafts and atmospheric scattering | Less depth, softness or cloud detail | Lower during weather-heavy scenes if the GPU is saturated. This can be a high-impact change with less loss of object sharpness than a resolution cut. |
| Reflections | Additional scene rendering and ray or screen-space calculations | Less accurate water, glass and polished-surface detail | Reduce quality or distance when cities, water or wet roads cause the drop. |
| Ambient occlusion | Extra shading around contact points | Flatter corners and less grounding between objects | Lower it modestly if needed; preserve it when the scene looks unnaturally flat without it. |
| View distance | Rendering and streaming distant geometry; sometimes CPU object management | Objects, terrain detail or shadows appear later | Lower it for a CPU or streaming limit, but test horizons and approach routes for distracting pop-in. |
| Object or traffic density | CPU simulation, draw calls and sometimes GPU work | Fewer vehicles, people or world objects | Reduce it when busy hubs produce a main-thread limit. Keep enough density for the simulation to remain believable. |
| Textures | Video-memory capacity and texture bandwidth | Blurrier surfaces and less material detail | Keep high when VRAM is sufficient. Lower only when monitoring shows memory pressure, streaming stutter or out-of-memory behavior. |
Do not assume a preset’s labels have equal meaning between games. “Ultra” may increase shadow resolution, object distance, volumetrics and reflections at once, making it difficult to identify which change caused a gain. Manual, one-step adjustments preserve image quality more effectively.
Address CPU and simulation limits without making the world empty
Reduce the number of simulated entities
Traffic, crowds, animals, vehicles and other agents can consume the main thread even when they occupy a small portion of the screen. Lower object or traffic density one step, then test the same busy location. If frame time improves, you have found a more relevant control than resolution.
Trim distant work carefully
View distance can affect both the GPU and the CPU. Lowering it reduces distant geometry and the number of objects that must be managed, but excessive reduction creates pop-in and breaks the sense of scale that makes an open world convincing. Prefer a moderate reduction and retain nearby detail.
Protect simulation speed
If the game exposes simulation-rate, world-complexity or background-activity controls, reduce those only as far as necessary. A higher displayed FPS is not a success if traffic, physics or time-dependent systems update late or move at an inconsistent rate. Test not only camera motion but also agent behavior and the game’s own simulation-speed indicators.
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Use frame generation only after the base rate is stable
Frame generation inserts additional displayed frames between conventionally rendered frames. It can make motion appear smoother, but it does not make the CPU calculate agents, traffic or world state faster. If the base frame rate is unstable or very low, generated frames can emphasize latency, uneven pacing or artifacts instead of fixing the cause.
- First tune native rendering or quality upscaling until the demanding scene has a stable base frame rate.
- Enable the game’s supported frame-generation option and repeat the same route.
- Check input response, camera pans, thin wires, foliage, moving vehicles, gauges and HUD elements for ghosting or incorrect interpolation.
- Keep it enabled only if the smoother presentation outweighs added latency or visual errors for your type of play.
Support varies by game version. For example, Microsoft Flight Simulator release notes document DLSS 4.5 and dynamic frame generation arriving in a particular update; that does not mean every version or every game has the same options. Recheck the current release notes and in-game menu after an update.
Set a frame-rate target and control frame pacing
Choose a target your system can sustain in the worst scene and match it to the display’s refresh rate and the game’s workload. A stable cap is generally preferable to an uncapped rate that swings between a high peak and severe drops. Apply the cap in the game first when possible, then compare other available synchronization options without changing several variables at once.
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Manage heat, power and physical upgrades
Monitor temperatures while reproducing the demanding scene. If clock speeds fall as the system heats, cooling is part of the performance problem; a cooling accessory is justified only when measurements show thermal throttling. Microsoft Flight Simulator support specifically warns against GPU overclocking that raises heat during troubleshooting. An overclock that increases temperature and instability is not a visual-quality solution.
Consider a new gaming graphics card only when repeated tests show a sustained GPU limit and software changes have reached an acceptable image-quality compromise. Check:
- Power-supply wattage and the required power connectors.
- Case length, thickness and airflow clearance.
- Processor balance, especially in simulation-heavy locations where a faster GPU may not raise FPS.
- Support for the game’s required upscaling and frame-generation features.
- Video-memory capacity for the texture settings and resolution you intend to use.
Hardware cannot remove a CPU simulation bottleneck, and no universal FPS gain applies across games. The result depends on the engine, patch, resolution, workload and the rest of the system.
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Compare two configurations on more than average FPS
| Measure | Question to ask |
|---|---|
| Sustained rate | Does the configuration hold the target in the busiest scene, not just in an empty area? |
| Frame-time consistency | Are stutters or long spikes less frequent? |
| Image stability | Do distant lines, foliage, reflections and moving objects remain stable while panning? |
| Input latency | Does control response remain acceptable, particularly with frame generation? |
| Memory use | Is VRAM or system memory close to capacity and causing streaming problems? |
| Power and temperature | Does the system sustain its clocks without thermal throttling? |
| Simulation behavior | Do traffic, agents and world systems update at the intended speed? |
A higher average FPS is not a win if reconstruction artifacts, latency, stutter or incorrect simulation behavior become distracting.
Three practical tuning paths
When the GPU is saturated
- Select the correct high-performance GPU.
- Enable the Quality upscaler mode.
- Reduce volumetrics, shadows or reflections one step, testing after each change.
- Lower render scale modestly only if the target is still missed.
- Keep textures high until VRAM monitoring shows pressure.
- Set a sustainable frame cap and verify temperatures.
When the CPU or simulation thread is saturated
- Leave output resolution and texture quality unchanged initially.
- Reduce traffic, object density or simulation complexity one step.
- Lower view distance moderately and check for unacceptable pop-in.
- Retest the busiest location and confirm that simulation speed, not just displayed FPS, improved.
- Use frame generation only after the base rate is stable, understanding that it will not increase simulation throughput.
When stutter or streaming is the main problem
- Record VRAM and system-memory use during the worst route.
- Lower textures if VRAM is full or texture streaming is visibly stalling.
- Reduce view distance if world streaming is the trigger.
- Allow shader compilation and repeat the test after game or driver updates.
- Keep the frame cap at a level that avoids repeated saturation and large frame-time spikes.
Re-test after every meaningful update
Open-world simulations change substantially through patches. A new release can alter CPU scheduling, shader compilation, VRAM requirements, supported upscalers or frame-generation behavior. Keep a small record of the game version, driver version, resolution, upscaler mode, render scale, density settings, frame cap and observed temperatures. When performance changes, first reproduce the old route, then change one variable. This separates a real improvement from a different scene, a completed shader cache or a temporary workload change.
Bottom line
Preserve image quality by tuning the bottleneck rather than applying a blanket Low preset. Use Windows’ per-app GPU selection when a laptop chooses the wrong adapter, start with a quality upscaler for GPU limits, reduce shadows, volumetrics, reflections and render scale selectively, and lower density or view distance for CPU and simulation limits. Keep textures high when memory permits, cap the frame rate for consistent pacing, and treat frame generation as a presentation enhancement after the base simulation is stable. Test the same demanding scene after each patch so the settings remain grounded in the workload you actually play.
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