Microsoft Flight Simulator

Microsoft Flight Simulator is notoriously demanding, but the combination of the Intel Core i7-14700K and NVIDIA GeForce RTX 5080 produces a dataset that reveals a clear performance hierarchy. The measured frames per second (FPS) across three resolutions and four quality presets show a system that is powerful enough to prioritize visual fidelity, yet still exhibits predictable scaling patterns that point to the GPU as the primary bottleneck in most scenarios. This analysis walks through the data step by step, interpreting what the numbers mean for the user experience.

Resolution Scaling

The FPS data shows a classic resolution scaling curve, but the magnitude of the drop tells a specific story about the limiting component. Moving from 1920x1080 to 2560x1440, the average FPS at High settings falls from 128 to 103, a decrease of 25 frames or roughly 19.5 percent. The jump from 2560x1440 to 3840x2160 is more severe, with the average at High settings dropping from 103 to 76, a reduction of 27 frames or about 26.2 percent. When comparing the extreme ends, the 1080p High average of 128 FPS drops to a 4K High average of 76 FPS, a total loss of 52 FPS, meaning the 4K performance is approximately 59.4 percent of the 1080p performance.

This scaling pattern is indicative of a GPU-bound workload. The RTX 5080, with its 16 GB of GDDR7 memory and 960.0 GB/s bandwidth, is being pushed harder as pixel count increases. The fact that the 4K Ultra preset still manages an average of 72 FPS, while 1080p Ultra reaches 122 FPS, reinforces this. The CPU, with its 20 cores and 28 threads, is not the limiting factor at higher resolutions; instead, the rendering load on the GPU dictates the frame rate. At 1080p Low, the average of 218 FPS is likely approaching the point where the CPU’s single-thread performance becomes more relevant, but the data shows that even at this low preset, the system is delivering exceptionally high frame rates.

The most telling aspect is the spread between Low and Ultra at each resolution. At 1080p, the difference between Low (218 FPS) and Ultra (122 FPS) is 96 FPS. At 1440p, this gap narrows to 78 FPS (176 vs. 98). At 4K, the gap is 58 FPS (130 vs. 72). This narrowing spread demonstrates that as resolution increases, the GPU’s fill-rate limits begin to cap the maximum achievable FPS, regardless of the quality preset. The data clearly shows that the RTX 5080 is the component that determines the ceiling for performance, especially at 4K, where even Low settings only yield 130 FPS.

Settings Recommendations

Based on the measured rows, the optimal balance between visual quality and frame rate depends heavily on the target resolution, but the data supports a clear recommendation for most users. At 3840x2160, the High preset delivers an average of 76 FPS, which is a playable experience for a flight simulator. The Ultra preset, at 72 FPS, offers only a marginal gain of 4 FPS over High, suggesting that the extra visual fidelity comes at a disproportionately high performance cost. The Medium preset at 4K, with an average of 101 FPS and a minimum of 86 FPS, is the sweet spot for users who prioritize smoothness over absolute visual detail. The Low preset at 4K (130 FPS) is available for those seeking maximum fluidity, but it sacrifices too much visual quality for the modest gain over Medium.

For 2560x1440, the High preset (103 FPS) is the recommended starting point, as it offers a strong balance. The Ultra preset (98 FPS) is nearly identical in performance, making it a viable choice if the user’s display can showcase the extra detail. The Medium preset (137 FPS) provides a significant frame rate boost and is ideal for high-refresh-rate monitors. The data shows that at 1440p, the system is capable of exceeding 100 FPS on High and Ultra, which is excellent for this genre. At 1920x1080, all presets are playable, but the Medium preset (170 FPS) and High preset (128 FPS) offer the best combination of smoothness and visual quality. The Ultra preset (122 FPS) is only 6 FPS slower than High, making it the preferred choice for 1080p users who want the full visual experience without a major FPS penalty.

The key insight from the settings data is the diminishing returns of the Ultra preset. Across all three resolutions, the difference between High and Ultra is consistently small: 4 FPS at 4K, 5 FPS at 1440p, and 6 FPS at 1080p. In contrast, the jump from Medium to High yields a more substantial decrease in FPS (25 FPS at 4K, 34 FPS at 1440p, and 42 FPS at 1080p). Therefore, the data suggests that High is the most efficient preset for this combo, offering a large portion of the visual fidelity of Ultra with a measurable performance advantage.

CPU Role

The Intel Core i7-14700K is a 20-core, 28-thread processor based on the Raptor Lake architecture, with a base clock of 3.40 GHz and a boost clock of 5.60 GHz. Its benchmark scores are strong, with a Cinebench R23 multi-core score of 33440.5 and a single-core score of 2160. In the context of this game, the CPU’s role is to handle the simulation logic, physics, and draw calls, which are often single-threaded or lightly threaded. The high boost clock of 5.60 GHz is critical for maintaining high frame rates, especially at lower resolutions where the GPU is not the bottleneck.

The data shows that at 1080p Low, the system achieves an average of 218 FPS, which is the highest score in the dataset. This high frame rate suggests that the CPU is capable of feeding the GPU enough data to prevent a major bottleneck. However, the CPU’s percentile ranking of 94 indicates that it is in the top 6% of all CPUs, but it is not the absolute fastest. Its nearest rivals, such as the AMD Ryzen 9 7950X, have a nearly identical average benchmark score (69515 vs. 69355), with a delta percentage of -0.2%. This indicates that the i7-14700K is well-matched for this task, but it is not uniquely superior.

The fact that the FPS does not scale linearly with resolution suggests that the CPU’s performance is sufficient to keep up with the GPU’s demands up to a point. At 4K, the CPU’s role diminishes, as the GPU becomes the clear limiting factor. The data indicates that the i7-14700K provides a solid foundation for this game, ensuring that the RTX 5080 is not starved of data, particularly at lower resolutions where high frame rates are achievable. The 33 MB of shared L3 cache also helps with the large textures and world data typical of a flight simulator.

How This Combo Ranks

In the database of tested combinations, the Intel Core i7-14700K and NVIDIA GeForce RTX 5080 combo ranks 171 out of 3714 tested combos for Microsoft Flight Simulator. This places it in the top 4.6 percent of all tested systems, which is a strong result. This ranking reflects the synergy between the high-end CPU and the high-end GPU. The combo’s performance is not just a sum of its parts; it benefits from the balanced nature of the two components, allowing for consistent performance across all settings and resolutions.

The rank of 171 is impressive, but it also indicates that there are 170 other combinations that achieve higher FPS in this specific game. This could be due to more powerful GPUs or CPUs that are better optimized for this title’s specific workloads. The data shows that this combo is not the absolute best, but it is firmly in the top tier of performance. The combo’s rank of 171 out of 3714 implies that it outperforms the vast majority of systems, making it a high-end choice for enthusiasts. The delta percentages for the CPU’s rivals, such as the AMD EPYC 9115 with a 0.1% difference, are minimal, suggesting that the choice of CPU does not dramatically alter the combo’s ranking, but the overall combination is what matters.

GPU Role

The NVIDIA GeForce RTX 5080 is a Blackwell 2.0 architecture GPU with 10752 shading units, 336 texture mapping units, and 112 raster output units. It features 16 GB of GDDR7 memory on a 256-bit bus, providing a bandwidth of 960.0 GB/s. The boost clock is 2617 MHz, and the GPU has a TDP of 360 W. Its benchmark scores are substantial, with a 3DMark Steel Nomad DX12 score of 8637 and a Passmark G3D score of 36565. The GPU’s percentile ranking of 87 places it in the top 13 percent of all GPUs, which is a high-end position, but not the top tier.

In the measured FPS data, the GPU is clearly the dominant factor. The performance scaling from Low to Ultra at all resolutions shows that the GPU’s rendering capabilities are the primary constraint. For example, at 3840x2160, the average FPS drops from 130 at Low to 72 at Ultra, a 44.6 percent reduction. This large drop is due to the increased shading and texture work required by the higher preset. The RTX 5080’s 16 GB of VRAM is sufficient for this game at 4K, as evidenced by the playable frame rates, but the data shows that the GPU is being pushed to its limits at the Ultra preset.

The GPU’s nearest rivals, such as the AMD Radeon RX 9070 GRE with a delta of -2.2%, have comparable average scores, but the RTX 5080’s specific architecture and driver support likely contribute to its performance in this title. The fact that the 4K Ultra average is 72 FPS, which is just above the 60 FPS threshold, indicates that the GPU is capable of handling the most demanding settings, but users should be prepared for frame rates in the 70s. The data suggests that for this game, the GPU’s role is to provide high frame rates at lower settings and resolutions, while at 4K Ultra, it delivers a playable, but not overwhelmingly smooth, experience.

FAQ

Q: What is the average FPS at 3840x2160 with Ultra settings?

A: The measured average FPS for the 3840x2160 Ultra preset is 72 FPS.

Q: How does the 1080p High preset compare to the 1440p High preset in terms of average FPS?

A: The 1080p High preset yields an average of 128 FPS, while the 1440p High preset yields an average of 103 FPS, showing a 25 FPS decrease when moving up in resolution.

Q: Which preset offers the smallest FPS difference compared to Ultra across all resolutions?

A: The High preset consistently shows a small FPS difference from Ultra: 4 FPS at 4K, 5 FPS at 1440p, and 6 FPS at 1080p.

Q: What is the minimum FPS recorded for the Medium preset at 2560x1440?

A: The minimum FPS for the Medium preset at 2560x1440 is 116 FPS.

Q: What is the combo’s rank out of all tested combinations for this game?

A: The combo ranks 171 out of 3714 tested combinations.

Q: What is the boost clock of the Intel Core i7-14700K?

A: The boost clock is 5.60 GHz.

Measured FPS Breakdown

The following table details the exact measured average FPS for each resolution and settings preset, with minimum and maximum values where available.

| Resolution | Settings | Avg FPS | Min FPS | Max FPS |

|---|---|---|---|---|

| 3840x2160 | High | 76 | - | - |

| 3840x2160 | Low | 130 | - | - |

| 3840x2160 | Medium | 101 | 86 | 116 |

| 3840x2160 | Ultra | 72 | - | - |

| 2560x1440 | High | 103 | - | - |

| 2560x1440 | Low | 176 | - | - |

| 2560x1440 | Medium | 137 | 116 | 157 |

| 2560x1440 | Ultra | 98 | - | - |

| 1920x1080 | High | 128 | - | - |

| 1920x1080 | Low | 218 | - | - |

| 1920x1080 | Medium | 170 | 144 | 195 |

| 1920x1080 | Ultra | 122 | - | - |

The data shows a clear trend: at every settings preset, the average FPS decreases as resolution increases. The most notable outliers are the Low presets, where the 1080p average of 218 FPS is significantly higher than the 1440p average of 176 FPS and the 4K average of 130 FPS. This suggests that at Low settings, the CPU is capable of driving extremely high frame rates, but the GPU’s fill rate limits the performance at higher resolutions. The Medium presets provide the most complete data with both minimum and maximum FPS, showing a consistent range across all resolutions. For instance, at 1080p Medium, the FPS ranges from 144 to 195, while at 4K Medium, it ranges from 86 to 116, indicating a narrower band at higher resolutions due to GPU limitations.