Microsoft Flight Simulator

Resolution Scaling

The measured FPS data for Microsoft Flight Simulator with the AMD Ryzen 7 9800X3D and NVIDIA GeForce RTX 3080 Ti reveals a clear pattern of scaling as resolution increases. At 1080p with Ultra settings, the combo delivers 89 FPS. Moving to 1440p drops that to 72.6 FPS, and at 4K it falls further to 55.3 FPS. The difference between 1080p and 4K at Ultra settings is 33.7 FPS, representing roughly a 38% reduction in frame rate. This is a substantial hit, but not a catastrophic one — the game remains playable at 4K Ultra, just barely above the 60 FPS threshold.

The scaling behavior changes notably when looking at lower presets. At Low settings, the combo produces 167 FPS at 1080p, 133.4 FPS at 1440p, and 93.8 FPS at 4K. The percentage drop from 1080p to 4K at Low is about 44%, which is steeper than the Ultra drop. This suggests that at lower graphical loads, the CPU and GPU are both being pushed harder, and the bottleneck shifts. At 1080p Low, the frame rate of 167 FPS is high enough that the CPU's single-thread performance and memory bandwidth become more significant limiting factors. The Ryzen 7 9800X3D's 3DMark single-thread score of 1212 and PassMark single-thread score of 4430 are strong, but the sheer data throughput required for flight simulation — terrain streaming, weather calculations, and physics — means the CPU is working hard even at lower resolutions.

The gap between Medium and High settings is consistent across resolutions. At 1080p, Medium produces 128 FPS while High produces 96.2 FPS. At 1440p, the gap narrows slightly: 100.1 FPS on Medium versus 78.2 FPS on High. At 4K, Medium yields 71.7 FPS and High yields 55.3 FPS. This consistent ~30 FPS difference between Medium and High at each resolution indicates that the GPU is the primary driver of performance scaling with settings, as the workload increases proportionally. The RTX 3080 Ti's 12 GB of GDDR6X memory with 912.4 GB/s bandwidth is well-suited to handle the texture and geometry demands of flight simulation, but the data shows it reaches its limits at 4K High and Ultra.

The most telling comparison is between 4K High and 4K Ultra, which both produce exactly 55.3 FPS. This plateau suggests that at these extreme settings, the combo is hitting a hard performance ceiling, likely due to CPU limitations in simulation logic rather than GPU rendering. The Ryzen 7 9800X3D's 8 cores and 16 threads, with a base clock of 4.70 GHz and boost of 5.20 GHz, are powerful but not infinite. Flight Simulator's complex flight models and AI traffic are heavily single-threaded, and the data implies that even this top-tier CPU cannot push beyond 55.3 FPS at 4K Ultra.

Settings Recommendations

Based on the measured rows, the best experience for this specific combo depends on the target resolution and desired frame rate. At 4K, the data shows that Medium settings (71.7 FPS) provide a significantly better experience than High or Ultra (both 55.3 FPS). The jump from Medium to High costs 16.4 FPS, which is a 23% reduction. For a flight simulator where smoothness matters for controlling aircraft, 71.7 FPS at 4K Medium is the sweet spot — it maintains fluid motion while still looking respectable.

At 1440p, the picture is more nuanced. High settings deliver 78.2 FPS, which is comfortably above 60 FPS and provides good visual fidelity. Ultra drops to 72.6 FPS, which is still playable but not a meaningful improvement over High. The data suggests that 1440p High is the recommended preset for this resolution, as it balances the visual quality of the Ultra preset's additional effects with a 5.6 FPS advantage. Medium at 1440p (100.1 FPS) is unnecessarily sacrificing visual quality for a frame rate that exceeds what most monitors in this class can display.

For 1080p, the choice is clearer. Ultra settings at 89 FPS are fully playable and provide the best visual experience the RTX 3080 Ti can offer. The 26.7 FPS difference between Ultra (89 FPS) and High (96.2 FPS) is not worth the visual downgrade, given that both are well above 60 FPS. Medium (128 FPS) and Low (167 FPS) are only relevant for competitive or recording scenarios where maximum frame rates are prioritized over visuals. For a flight simulator, this is rarely the case.

The most important observation is the 4K High versus 4K Ultra plateau at 55.3 FPS. Since both presets yield identical performance, there is no reason to use High over Ultra at 4K — the Ultra preset offers better visuals for zero FPS cost. This is a direct recommendation from the data: at 4K, either use Medium for higher FPS or Ultra for best visuals, and skip High entirely.

GPU Role

The NVIDIA GeForce RTX 3080 Ti is a significant factor in this combo's performance. Its 12 GB of GDDR6X memory on a 384-bit bus provides 912.4 GB/s of bandwidth, which is critical for flight simulation's large texture sets and detailed terrain rendering. The GPU's base clock of 1365 MHz boosts to 1665 MHz, and the memory runs at 19 Gbps effective. These specifications place it in the 83rd percentile of all GPUs, with an average benchmark score of 41224. Its nearest rival, the RTX 3090, scores 41441, a delta of -0.5%, meaning the 3080 Ti is essentially on par with the 3090 in synthetic benchmarks.

In this game, the GPU's role becomes apparent in the resolution scaling data. The difference between 1080p Low (167 FPS) and 1440p Low (133.4 FPS) is 33.6 FPS, and the drop to 4K Low (93.8 FPS) is another 39.6 FPS. These are substantial reductions that correlate with pixel count increases. The GPU is the primary component being stressed as resolution climbs. The RTX 3080 Ti's 10,240 shading units and 112 ROPs handle the rasterization workload, but at 4K, the raw pixel throughput becomes the limiting factor.

The FP32 performance of 34.10 TFLOPS is notable for a GPU of this generation. Flight Simulator uses complex shaders for lighting and weather effects, and the data indicates that the 3080 Ti manages these well up to 4K Medium. The 80 RT cores are less relevant in this title, as flight simulation does not heavily rely on ray tracing for its core rendering. The 320 tensor cores are similarly underutilized, though they could be used for DLSS if enabled, which is not reflected in the measured FPS data.

The GPU's 350 W TDP and dual-slot design are consistent with its performance class. The 12 GB VRAM is sufficient for the measured settings, as there is no data suggesting VRAM overflow or stuttering. The 4K High and Ultra results both hitting 55.3 FPS could indicate VRAM pressure, but the identical scores more strongly suggest a CPU bottleneck, as the GPU would show degradation in the Ultra setting if memory capacity were the issue.

FAQ

Q: Why do 4K High and 4K Ultra both produce exactly 55.3 FPS?

A: The identical average FPS at both presets indicates a hard performance ceiling. Since the GPU is capable of rendering the Ultra preset (as shown by the 1440p Ultra result of 72.6 FPS), the 4K plateau is likely caused by the CPU's single-threaded simulation workload reaching its limit, not by GPU rendering capability.

Q: Is this combo better for 1080p or 1440p gaming?

A: The data shows strong performance at both resolutions. At 1080p Ultra, the combo achieves 89 FPS, while at 1440p Ultra it achieves 72.6 FPS. Both are well above 60 FPS, but 1080p Ultra provides a 16.4 FPS advantage. For flight simulation, 1440p Ultra at 72.6 FPS is a better balance of visual quality and smoothness.

Q: How does the RTX 3080 Ti compare to its nearest rival, the RTX 3090?

A: The RTX 3080 Ti has an average benchmark score of 41224, while the RTX 3090 scores 41441. The delta is -0.5%, meaning the 3080 Ti is within half a percent of the 3090's performance. In this combo, the GPU is not the primary bottleneck at 4K Ultra, so the slight difference would not be noticeable.

Q: What is the recommended preset for 4K gaming with this combo?

A: The data strongly recommends using either Medium (71.7 FPS) or Ultra (55.3 FPS) at 4K. High settings offer no advantage over Ultra since both produce 55.3 FPS. Medium provides a 16.4 FPS improvement over Ultra, which is more valuable for smooth flight control.

Q: Does the CPU or GPU limit performance at 1080p?

A: At 1080p Low, the combo produces 167 FPS, which is high but not extreme. The 3DMark single-thread score of 1212 and PassMark single-thread score of 4430 for the Ryzen 7 9800X3D suggest strong CPU performance, but the 1080p results show the combo is not fully GPU-bound — the CPU's simulation workload starts to become a factor at lower resolutions.

Q: How does this combo rank among all tested combinations?

A: The combo ranks 470th out of 1795 tested combinations, placing it in the top 26% of all combos. This is a strong result, given the game's demanding nature and the age of the RTX 3080 Ti, which was released in 2021.

How This Combo Ranks

In the database of tested combinations for Microsoft Flight Simulator, the AMD Ryzen 7 9800X3D + NVIDIA GeForce RTX 3080 Ti combo ranks 470th out of 1795 combos. This places it in the top 26.2% of all tested systems. The ranking reflects the combo's ability to deliver playable frame rates at 4K and excellent performance at lower resolutions, but it is not in the top tier. The 1795 combos include newer GPUs like the RTX 5070, which scores 41687 in average benchmarks — a -1.1% delta from the 3080 Ti's 41224. This indicates that the 3080 Ti is still competitive with modern mid-range offerings despite being end-of-life.

The rank of 470 is respectable but not dominant. The combo's 4K Ultra result of 55.3 FPS is a key factor holding it back from a higher ranking. Many newer combos with stronger CPUs and GPUs can exceed 60 FPS at 4K Ultra in this game. The Ryzen 7 9800X3D is a top-tier CPU, ranking in the 90th percentile of all CPUs with an average score of 37780. Its nearest rivals include the Intel Core i9-13900HK (38020, -0.6%) and the Intel Core i5-13600KF (38028, -0.7%), showing that the 9800X3D is competitive with Intel's best mobile and desktop offerings.

The GPU's 83rd percentile ranking is slightly lower than the CPU's 90th percentile, indicating a slight mismatch in this combo. The 3080 Ti, while powerful, is a generation behind the CPU. This mismatch is most evident at 4K Ultra, where the CPU could potentially push higher frame rates if paired with a stronger GPU. However, the data shows the CPU is not the bottleneck at 4K Ultra — the identical 55.3 FPS for High and Ultra suggests the CPU's simulation thread is the limiting factor, not the GPU.

CPU Role

The AMD Ryzen 7 9800X3D is the newer, more powerful component in this pairing. It features 8 cores and 16 threads based on the Zen 5 architecture (Granite Ridge) on a 4 nm process. Its base clock of 4.70 GHz and boost clock of 5.20 GHz are high for a desktop CPU. The 96 MB of shared L3 cache is substantial and helps with game data locality. The CPU's benchmark scores are strong: Cinebench R23 multicore of 34004, single-core of 4800, and Geekbench multicore of 18413. These scores place it in the 90th percentile of all CPUs.

In Microsoft Flight Simulator, the CPU's role is critical due to the game's heavy simulation logic. The data supports this: at 4K, the CPU appears to limit performance to 55.3 FPS at both High and Ultra settings. The CPU's 3DMark 16-thread score of 10081 and max-thread score of 10067 indicate that it handles multi-threaded workloads well, but the game's primary simulation thread is single-threaded. The PassMark single-thread score of 4430 is strong, yet the 4K plateau suggests it's not enough to push beyond 55 FPS in this game at ultra-high settings.

The CPU's memory bandwidth of 89.6 GB/s on DDR5 dual-channel is important for the constant terrain and weather data streaming in flight simulation. The 8,315 million transistors on a 70.6 mm² die demonstrate the density of the Zen 5 architecture. The CPU's performance in this combo is consistent with its benchmark scores — it is a top-tier gaming CPU, but Microsoft Flight Simulator's unique demands mean that even this processor has limits at 4K Ultra. The 120 W TDP is modest for the performance delivered, making it an efficient choice for long flight sessions.

The CPU's 3D V-Cache is not explicitly listed in the fact pack (vCache3d is null), but the 96 MB L3 cache is likely a key contributor to the game's performance. Flight Simulator benefits from large caches for storing frequently accessed simulation data. The CPU's single-thread performance, as measured by Cinebench R15 single-core (483) and R20 single-core (2016), is what matters most for the game's main thread. The data suggests that while the CPU is strong, the game's optimization limits it to 55.3 FPS at 4K Ultra, which is a software constraint rather than a hardware deficiency.