Microsoft Flight Simulator

Resolution Scaling

Microsoft Flight Simulator presents a demanding workload that scales almost linearly with resolution, and the measured data for the Intel Core Ultra 5 235 paired with the NVIDIA GeForce RTX 5080 illustrates this clearly. At 1080p High settings, the combo delivers an average of 128 FPS. Moving to 1440p High drops that average to 103 FPS, a reduction of roughly 19.5 percent. Pushing further to 4K High yields 76 FPS, which is another 26 percent decrease from the 1440p figure. This consistent step-down pattern indicates that the simulation is heavily reliant on the rendering pipeline, with each pixel increase exacting a predictable toll on frame rates.

The scaling behavior changes character when examining the Low preset. At 1080p Low, the system reaches 218 FPS, but at 1440p Low it falls to 176 FPS, and at 4K Low it lands at 130 FPS. The percentage drop from 1080p to 4K at Low settings is about 40 percent, which is less severe than the 41 percent drop at High settings from 1080p to 4K. However, the absolute frame rates at Low are substantially higher, suggesting that the CPU has more headroom to feed the GPU when the visual load is lighter. The fact that 1080p Low produces 218 FPS while 4K High produces only 76 FPS—a 65 percent difference—demonstrates that the RTX 5080's rendering capabilities are the primary constraint as resolution climbs.

The Medium preset offers the most complete data set, with min and max frame rates recorded. At 1080p Medium, the average is 170 FPS with a minimum of 144 FPS and a maximum of 195 FPS. At 1440p Medium, the average drops to 137 FPS, with a minimum of 116 FPS and a maximum of 157 FPS. At 4K Medium, the average falls to 101 FPS, with a minimum of 86 FPS and a maximum of 116 FPS. The spread between minimum and maximum frames narrows at higher resolutions—from 51 FPS at 1080p to 30 FPS at 4K—which indicates that frame pacing becomes more consistent when the GPU is more fully utilized, reducing CPU-bound spikes.

Ultra settings follow the expected trajectory: 122 FPS at 1080p, 98 FPS at 1440p, and 72 FPS at 4K. The gap between High and Ultra is modest at each resolution, with only a 6 FPS difference at 1080p and a 4 FPS difference at 4K. This suggests that the Ultra preset adds visual fidelity without disproportionately taxing the hardware, making it a viable option for users prioritizing image quality over marginal frame rate gains. Overall, the resolution scaling data points to a system where the RTX 5080 is the limiting factor at 4K, while at 1080p the CPU begins to play a more significant role in determining peak frame rates.

CPU Role

The Intel Core Ultra 5 235 is a 14-core, 14-thread processor based on the Arrow Lake architecture, built on a 3 nm process at TSMC. It features a base clock of 3.40 GHz and a boost clock of 5.00 GHz, with 24 MB of shared L3 cache. In Microsoft Flight Simulator, the CPU's role is most evident at lower resolutions where the GPU is less burdened. The benchmark results show that at 1080p Low, the system achieves 218 FPS, which is 68 percent higher than the 130 FPS at 4K Low. This large delta indicates that at 1080p, the CPU is capable of driving the simulation at very high frame rates, but the GPU still manages to keep pace.

The processor's single-thread performance, as measured by Cinebench R23 single-core score of 2085, is critical for a flight simulator that relies heavily on main-thread logic for flight dynamics and scenery generation. The multi-core score of 14769 in Cinebench R23 suggests that the 14 cores are adequate for background tasks like terrain streaming and AI traffic, but the game's primary bottleneck at higher resolutions shifts firmly to the GPU. The data shows that at 4K Ultra, the average FPS is 72, which is only 5 percent lower than at 4K High at 76 FPS, while at 1080p the difference between Low and Ultra is 96 FPS (218 vs 122). This asymmetry highlights that CPU headroom is ample at 1080p, but the GPU's rendering limits dominate at 4K.

The Core Ultra 5 235's PassMark single-thread score of 4516 places it in the 89th percentile among all CPUs, and its average benchmark score of 46062 puts it in close competition with rivals like the AMD Ryzen AI 9 HX 375, which scores 46030 (0.1 percent higher), and the Intel Core i9-13900HX, which scores 46098 (0.1 percent higher). These razor-thin margins indicate that the CPU's performance tier is well-established, but for Microsoft Flight Simulator, the game's engine appears to favor the high boost clock of 5.00 GHz for single-threaded tasks, which is reflected in the strong 1080p Low result of 218 FPS. The CPU's TDP of 65 W is modest, suggesting that thermal constraints are unlikely to impede sustained performance during extended flight sessions.

FAQ

Q: What is the highest average FPS achieved by this combo in Microsoft Flight Simulator?

A: The highest recorded average FPS is 218, achieved at 1920x1080 resolution with Low settings. This is the only configuration in the measured data that exceeds 200 FPS.

Q: How does the combo perform at 4K Ultra settings?

A: At 3840x2160 resolution with Ultra settings, the system delivers an average FPS of 72. This is the lowest average recorded across all tested configurations, but it remains above the 60 FPS threshold for smooth gameplay.

Q: Is there a significant difference between High and Ultra settings at 1440p?

A: The difference is modest. At 2560x1440, High settings produce an average of 103 FPS, while Ultra settings produce 98 FPS—a delta of only 5 FPS. This suggests that the Ultra preset offers enhanced visual quality without a substantial performance penalty.

Q: What are the minimum FPS values recorded for the Medium preset?

A: The Medium preset is the only one with complete min/max data. At 1080p, the minimum is 144 FPS; at 1440p, it is 116 FPS; and at 4K, it is 86 FPS. These minimums indicate that frame drops are more pronounced at higher resolutions.

Q: How does the CPU's benchmark score compare to its nearest rivals?

A: The Core Ultra 5 235 has an average benchmark score of 46062. The AMD Ryzen AI 9 HX 375 is 0.1 percent higher at 46030, while the Intel Core i9-13900HX is 0.1 percent lower at 46098. The AMD EPYC 4364P and EPYC 7303 are both 0.2 percent higher than the Core Ultra 5 235.

Q: Does the combo achieve playable frame rates at all tested settings?

A: Yes. The lowest average FPS recorded is 72 at 4K Ultra, which is above 60 FPS. All other configurations exceed 76 FPS, with the majority surpassing 100 FPS, indicating that the system is well-suited for this simulator across a range of visual presets.

How This Combo Ranks

In the database of tested combinations for Microsoft Flight Simulator, the Intel Core Ultra 5 235 paired with the NVIDIA GeForce RTX 5080 ranks 143rd out of 2996 total combos. This places the system in the top 4.8 percent of all tested configurations, which is a strong showing for a mid-range processor paired with a high-end graphics card. The rank reflects the overall performance across all measured resolutions and settings, and it underscores that the RTX 5080's capabilities are being effectively utilized by the Core Ultra 5 235.

The combo's percentile standing is notable given the CPU's relatively modest multi-core performance compared to higher-end desktop processors. The Core Ultra 5 235's average benchmark score of 46062 is only 0.1 percent different from the AMD Ryzen AI 9 HX 375 and the Intel Core i9-13900HX, which are typically found in more expensive systems. This suggests that the CPU is not a weak link in the pairing, and the rank of 143 is largely attributable to the GPU's strong performance in the game. The fact that the system achieves 122 FPS at 1080p Ultra and 72 FPS at 4K Ultra demonstrates that the combination scales well across the most common gaming resolutions.

Compared to the broader field, the rank of 143 out of 2996 means that there are 142 other combos that outperform this one in Microsoft Flight Simulator. However, many of those likely feature more expensive flagship CPUs, such as the Core i9 or Ryzen 9 series, which offer higher multi-threaded performance. The data shows that the Core Ultra 5 235's single-thread score of 4516 in PassMark is competitive, and its boost clock of 5.00 GHz helps maintain high frame rates in CPU-bound scenarios. For users targeting high refresh rates at 1080p or smooth 4K gameplay, this combo's rank indicates it is a well-balanced choice, though it is not at the absolute top of the performance hierarchy.

GPU Role

The NVIDIA GeForce RTX 5080 is the dominant component in this pairing, featuring 16 GB of GDDR7 memory on a 256-bit bus with a bandwidth of 960.0 GB/s. Its boost clock of 2617 MHz and 10752 shading units provide substantial raw compute power, which is reflected in the measured FPS results. At 4K Ultra, the GPU maintains an average of 72 FPS, while at 1080p Low it reaches 218 FPS, demonstrating that the graphics card is capable of handling the simulator's heavy draw calls and texture streaming requirements.

The RTX 5080's memory capacity of 16 GB is sufficient for Microsoft Flight Simulator's high-resolution textures, which are known to be memory-intensive. The fact that the 4K Medium preset records a minimum FPS of 86 indicates that the GPU does not experience severe frame drops, even when the simulator loads complex scenery. The GPU's PassMark G3D score of 36565 places it in the 87th percentile among all GPUs, and its average benchmark score of 56083 is 0.6 percent higher than the AMD Radeon 8060S (55757) and 0.7 percent higher than the AMD Radeon RX 6750 GRE 12 GB (55698). However, it trails the AMD Radeon RX 9070 GRE by 2.2 percent, which scores 57367.

The GPU's role becomes more pronounced at higher resolutions. At 1080p High, the system achieves 128 FPS, but at 4K High it drops to 76 FPS—a 41 percent reduction. This scaling is typical for a GPU-bound scenario, and it confirms that the RTX 5080 is the limiting factor at 4K. The GPU's pixel rate of 293.1 GPixel/s and texture rate of 879.3 GTexel/s provide ample fill rates for the simulator's dense terrain rendering. The 84 RT cores and 336 tensor cores also contribute to the GPU's overall compute ability, even though Microsoft Flight Simulator does not heavily utilize ray tracing in the benchmarked settings.

Measured FPS Breakdown

The complete measured FPS data for this combo in Microsoft Flight Simulator is as follows:

3840x2160 (4K)

• Ultra: 72 FPS average
• High: 76 FPS average
• Medium: 101 FPS average (min 86, max 116)
• Low: 130 FPS average

2560x1440 (1440p)

• Ultra: 98 FPS average
• High: 103 FPS average
• Medium: 137 FPS average (min 116, max 157)
• Low: 176 FPS average

1920x1080 (1080p)

• Ultra: 122 FPS average
• High: 128 FPS average
• Medium: 170 FPS average (min 144, max 195)
• Low: 218 FPS average

The data reveals a consistent pattern: each resolution step down from 4K to 1080p yields a significant FPS boost across all settings. For example, at High settings, moving from 4K (76 FPS) to 1440p (103 FPS) provides a 36 percent improvement, and moving from 1440p to 1080p (128 FPS) provides another 24 percent improvement. At Low settings, the progression is 130 FPS (4K) to 176 FPS (1440p) to 218 FPS (1080p), representing a 68 percent total gain from 4K to 1080p.

The Medium preset's min/max data shows that the frame rate variance is relatively stable. At 1080p, the range is 51 FPS (144 to 195), which narrows to 41 FPS at 1440p (116 to 157) and further to 30 FPS at 4K (86 to 116). This tightening of the frame range at higher resolutions suggests that GPU-bound scenarios produce more consistent frame times, while CPU-bound scenarios at lower resolutions may exhibit more variability. Overall, the measured FPS breakdown confirms that this combo is capable of delivering smooth gameplay across all settings, with the best experience at 1440p High or Ultra, where frame rates remain above 98 FPS while maintaining high visual fidelity.