Microsoft Flight Simulator

# Microsoft Flight Simulator — Intel Core Ultra 5 235 + AMD Radeon RX 9070

The pairing of the Intel Core Ultra 5 235 with the AMD Radeon RX 9070 delivers a playable, if not uniformly smooth, experience across the resolution spectrum in Microsoft Flight Simulator. The data shows a system that scales predictably with resolution and settings, but with a notable ceiling at 4K Ultra where frame rates dip below the 60 FPS threshold. At 1080p and 1440p, the combination is strong, offering high refresh rates at lower settings and respectable performance at High and Ultra presets. The CPU's 14 cores and 14 threads, combined with a boost clock of 5.00 GHz, provide ample headroom for this simulation's heavy single-threaded and multi-threaded demands, while the GPU's 16 GB of GDDR6 memory and 644.6 GB/s bandwidth handle the vast texture loads typical of flight simulators. This analysis breaks down the measured performance data, interprets the scaling patterns, and provides clear recommendations based on the numbers.

Resolution Scaling

The measured FPS data reveals a clear and predictable scaling pattern as resolution increases from 1080p to 4K. At the High preset, the average frame rate drops from 91 FPS at 1920x1080 to 73 FPS at 2560x1440, a 19.8% reduction, and then to 54 FPS at 3840x2160, a further 26% reduction from the 1440p figure. This translates to a total drop of 40.7% from 1080p to 4K at High settings. The pattern is consistent across all presets. At Low settings, performance falls from 155 FPS at 1080p to 125 FPS at 1440p (a 19.4% drop) and then to 92 FPS at 4K (a 26.4% drop from 1440p). Medium settings show 121 FPS at 1080p, 97 FPS at 1440p, and 72 FPS at 4K, with corresponding drops of 19.8% and 25.8%. Ultra settings demonstrate the steepest curve, starting at 86 FPS at 1080p, falling to 70 FPS at 1440p (an 18.6% drop), and reaching 51 FPS at 4K (a 27.1% drop from 1440p).

The consistency of these percentage drops—right around 19-20% from 1080p to 1440p and 26-27% from 1440p to 4K—is instructive. A purely GPU-bound workload would typically show a more dramatic drop at 4K due to the pixel count quadrupling from 1080p. The relatively moderate scaling suggests that the CPU is playing a significant role in limiting performance, especially at lower resolutions. At 1080p, the CPU is likely the primary bottleneck, as evidenced by the fact that the difference between Low (155 FPS) and Ultra (86 FPS) is substantial, but the frame rate does not scale linearly with the GPU workload reduction. The fact that the 1080p Low preset yields 155 FPS while the 4K Low preset yields 92 FPS indicates that even at low settings, the GPU is becoming more stressed at higher resolutions, but the CPU's capability to feed frames is a limiting factor at 1080p.

The data supports a conclusion that this is a balanced pairing, but with the CPU providing a solid foundation. At 4K Ultra, the system drops to 51 FPS, which is below the 60 FPS target for smooth gameplay. This is the only configuration where the experience is compromised. At 4K High, the 54 FPS average is marginal, but the 1440p and 1080p results are all above 70 FPS at High and above 86 FPS at Ultra. The scaling pattern indicates that the RX 9070's 36.13 TFLOPS of FP32 compute and 128 ROPs are sufficient for high-fidelity rendering at 1440p, but the 4K Ultra setting pushes the GPU to its limits, with the 16 GB memory buffer not being the issue but rather the raw compute throughput.

Settings Recommendations

Based on the measured FPS rows, the optimal experience depends heavily on the target resolution. At 1920x1080, the Ultra preset delivers an average of 86 FPS, which is well above the 60 FPS threshold and provides the best visual fidelity without sacrificing smoothness. The High preset at 1080p yields 91 FPS, a marginal 5 FPS improvement over Ultra, making Ultra the clear choice for 1080p users who prioritize image quality. The Medium preset at 1080p delivers 121 FPS, but the jump from Ultra to Medium is a 40.7% increase in frame rate, which could be relevant for users with high-refresh-rate monitors, but the visual trade-off is severe.

At 2560x1440, the Ultra preset averages 70 FPS, which is playable but not silky smooth. The High preset at 1440p offers 73 FPS, only 3 FPS more than Ultra, so the recommendation is to stick with Ultra for the best visual experience. The Medium preset at 1440p delivers 97 FPS, a 38.6% improvement over Ultra, which could be worthwhile for competitive or fast-paced scenarios, but for a flight simulator, the visual immersion of Ultra is likely more important. The Low preset at 1440p hits 125 FPS, but this is a significant visual downgrade and not recommended for a simulation genre where visual fidelity is a key component.

At 3840x2160, the situation is more nuanced. The Ultra preset averages 51 FPS, which is below the 60 FPS target and may result in noticeable stutter in dense urban areas or during rapid camera movements. The High preset at 4K delivers 54 FPS, a marginal 5.9% improvement, but still below 60 FPS. The Medium preset at 4K achieves 72 FPS, which is a 41.2% improvement over Ultra and crosses the 60 FPS threshold. For 4K users, the Medium preset is the sweet spot, providing a smooth experience at 72 FPS while maintaining decent visual quality. The Low preset at 4K yields 92 FPS, but the visual degradation is substantial. The data indicates that the RX 9070 is not powerful enough for 4K Ultra in this title, and users should accept the Medium preset for a fluid experience.

CPU Role

The Intel Core Ultra 5 235 is a 14-core, 14-thread processor based on the Arrow Lake architecture, manufactured on a 3 nm process by TSMC. Its base clock is 3.40 GHz with a boost clock of 5.00 GHz, and it features 24 MB of shared L3 cache. In CPU benchmarks, it scores 2085 in Cinebench R23 single-core and 14769 in multi-core, placing it in the 89th percentile of all CPUs. Its nearest rivals include the AMD Ryzen AI 9 HX 375, which scores 0.1% higher on average, and the Intel Core i9-13900HX, which scores 0.1% lower. This places the Core Ultra 5 235 in a competitive position for gaming workloads.

In Microsoft Flight Simulator, the CPU's role is critical due to the simulation's complex flight models, weather systems, and AI traffic. The game is known for being heavily single-threaded in certain aspects, but also utilizing multiple cores for background tasks. The Core Ultra 5 235's single-core performance, evidenced by its 2085 score in Cinebench R23 single-core, is strong and should handle the main simulation thread effectively. The multi-core score of 14769 indicates that the 14 cores can handle the auxiliary tasks without bottlenecking the main thread.

The measured FPS data supports this analysis. At 1080p Low, the system achieves 155 FPS, which is likely near the CPU's maximum frame generation capability for this title. When the resolution increases to 4K Low, the FPS drops to 92, indicating that the GPU is becoming the limiting factor at higher resolutions. However, the fact that 1080p Ultra (86 FPS) is lower than 1080p Low (155 FPS) shows that the GPU is also stressed at 1080p Ultra, but the CPU can still feed it enough frames. The 5.00 GHz boost clock is particularly beneficial for this game, as higher clock speeds directly translate to better single-threaded performance, which is crucial for the main simulation loop.

The CPU's 14 threads, while not hyper-threaded (14 cores, 14 threads), are sufficient for this game. The Passmark multithread score of 37816 and the Passmark physics score of 2570 indicate robust performance in multi-threaded scenarios. The data suggests that the Core Ultra 5 235 is not the bottleneck at 4K Ultra, where the GPU is clearly the limiting factor, but it does cap performance at 1080p Low. This is a well-matched CPU for this GPU in this title, providing enough headroom to avoid being the primary constraint at higher resolutions.

How This Combo Ranks

The combo of the Intel Core Ultra 5 235 and AMD Radeon RX 9070 ranks 833rd out of 2996 tested combinations in Microsoft Flight Simulator. This places it in the top 27.8% of all tested combos, which is a solid result for a mid-range to upper-mid-range pairing. The rank is a reflection of the system's ability to maintain playable frame rates across most settings and resolutions, with the notable exception of 4K Ultra.

To contextualize this rank, consider the individual components' standings. The CPU is in the 89th percentile of all CPUs, indicating that it outperforms most processors on the market. The GPU is in the 69th percentile of all GPUs, which is respectable but not top-tier. The combo rank of 833 out of 2996 (72.2nd percentile) is slightly lower than the CPU's percentile but higher than the GPU's percentile, suggesting that the CPU is helping to boost the overall performance above what the GPU alone might achieve.

The nearest rival GPUs to the RX 9070 include the NVIDIA GeForce GTX TITAN Z (0.6% higher average score), the AMD Radeon RX 6800S (0.8% lower), and the NVIDIA GeForce RTX 3080 Mobile (1.1% higher). These are all older or lower-tier parts, which indicates that the RX 9070's raw benchmark scores are competitive with previous-generation high-end cards. However, in this specific game, the measured FPS shows that the GPU struggles at 4K Ultra, which is likely a factor in the combo's overall rank.

The combo rank of 833 suggests that there are many other pairings that achieve higher frame rates in this game, likely featuring more powerful GPUs or CPUs. However, the data shows that this combo delivers 86 FPS at 1080p Ultra and 70 FPS at 1440p Ultra, which are both excellent results. The rank is more a reflection of the 4K Ultra performance, where the 51 FPS average pulls down the overall assessment. For users targeting 1080p or 1440p, this combo is highly capable, and the rank should not dissuade them. The 2996 tested combos include many with top-tier components, so being in the top 28% is a strong showing for this price point.

FAQ

Q: What is the average FPS at 1440p with High settings?

A: The measured average FPS at 2560x1440 with High settings is 73 FPS.

Q: Can this system handle 4K Ultra in Microsoft Flight Simulator?

A: The data shows an average of 51 FPS at 3840x2160 with Ultra settings, which is below the 60 FPS threshold. For a smoother 4K experience, the Medium preset delivers 72 FPS.

Q: How does the CPU compare to its nearest rival, the AMD Ryzen AI 9 HX 375?

A: The Intel Core Ultra 5 235 has an average benchmark score that is 0.1% higher than the AMD Ryzen AI 9 HX 375, indicating nearly identical overall performance.

Q: What is the best preset for 1080p gaming?

A: At 1920x1080, the Ultra preset yields 86 FPS, which is well above 60 FPS. The High preset offers 91 FPS, a marginal improvement, so Ultra is recommended for best visual fidelity.

Q: Does the GPU support DirectX 12 Ultimate?

A: Yes, the AMD Radeon RX 9070 supports DirectX 12 Ultimate (12_2), along with OpenGL 4.6 and Vulkan 1.4.

Q: What is the GPU's launch MSRP?

A: The launch MSRP for the AMD Radeon RX 9070 is 549 USD.

Measured FPS Breakdown

The following table provides the exact measured FPS values for all tested configurations:

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

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

| 3840x2160 | High | 54 | — | — |

| 3840x2160 | Low | 92 | — | — |

| 3840x2160 | Medium | 72 | 61 | 83 |

| 3840x2160 | Ultra | 51 | — | — |

| 2560x1440 | High | 73 | — | — |

| 2560x1440 | Low | 125 | — | — |

| 2560x1440 | Medium | 97 | 83 | 112 |

| 2560x1440 | Ultra | 70 | — | — |

| 1920x1080 | High | 91 | — | — |

| 1920x1080 | Low | 155 | — | — |

| 1920x1080 | Medium | 121 | 103 | 139 |

| 1920x1080 | Ultra | 86 | — | — |

At 3840x2160, the Medium preset is the only one that provides both an average above 60 FPS and recorded minimum and maximum values (61 and 83 FPS, respectively), confirming its stability. The High and Ultra presets at 4K lack min/max data, but their averages of 54 and 51 FPS indicate that they are not recommended for smooth play. At 2560x1440, the Medium preset shows a min of 83 FPS and max of 112 FPS, demonstrating consistent performance. The Ultra preset at 1440p averages 70 FPS, which is playable. At 1920x1080, the Low preset hits 155 FPS, likely CPU-limited, while the Ultra preset at 86 FPS is the highest quality option that maintains a high frame rate. The Medium preset at 1080p provides a min of 103 FPS and max of 139 FPS, showing excellent frame pacing. Overall, the data reveals a system that excels at 1080p and 1440p across all settings, but requires a settings reduction at 4K to achieve 60 FPS.