Microsoft Flight Simulator

The AMD Ryzen 5 8400F and NVIDIA GeForce RTX 3080 combination delivers a highly versatile experience in Microsoft Flight Simulator, with the data showing that the Ultra preset is the only setting that pushes the hardware below the 60 FPS threshold at 1080p and 1440p. At 1080p, the Low preset achieves 159 FPS, Medium reaches 125.6 FPS, and High holds 91.6 FPS, while Ultra dips to 90.6 FPS. The performance gap between High and Ultra at this resolution is marginal—just 1 FPS—suggesting that Ultra is the optimal choice for users seeking maximum visual fidelity without sacrificing measurable smoothness. At 1440p, the pattern shifts slightly: Low produces 123.8 FPS, Medium 98.1 FPS, and High 76.8 FPS, with Ultra trailing at 72.9 FPS. Here, the drop from High to Ultra is 3.9 FPS, which is still minor in real-world terms, making Ultra a viable option for high-refresh-rate monitors. At 4K, the situation changes decisively: High averages 52.7 FPS and Ultra falls to 51.4 FPS, both below the 60 FPS target, while Medium achieves 71.2 FPS and Low reaches 94.9 FPS. For 4K users, Medium offers the best balance, providing a playable frame rate with a significant visual upgrade over Low. The data indicates that the RTX 3080 is the primary constraint at 4K, as the CPU’s strong single-thread performance cannot compensate for the GPU’s workload at that resolution.

Settings Recommendations

The measured FPS rows reveal a clear hierarchy for optimal settings based on resolution targets. For 1080p gaming, the Ultra preset is the recommended choice because the performance penalty relative to High is negligible—90.6 FPS versus 91.6 FPS—while the visual enhancements are substantial. This keeps the experience well above the 60 FPS threshold, even with the most demanding settings enabled. At 1440p, Ultra remains a strong option at 72.9 FPS, but users prioritizing frame rate stability over absolute visual quality may prefer High at 76.8 FPS. The 4 FPS difference between these presets is unlikely to be perceptible, so the choice depends on whether the user values the extra graphical features of Ultra. The most critical decision occurs at 4K, where the data shows a stark division: High and Ultra both fall short of 60 FPS, with 52.7 FPS and 51.4 FPS respectively, while Medium delivers a comfortable 71.2 FPS. For 4K displays, Medium is the sweet spot, offering a 35% improvement over High in frame rate while maintaining a level of detail that is far superior to Low. The Low preset at 4K yields 94.9 FPS, which is excessive for most displays and sacrifices too much visual quality. Therefore, the recommendation is to use Ultra for 1080p and 1440p, and Medium for 4K, as these settings provide the best experience per the measured rows.

FAQ

Q: What is the average frame rate at 1080p with Ultra settings?

A: The benchmark data shows an average of 90.6 FPS at 1920x1080 with the Ultra preset, which is only 1 FPS lower than the High preset’s 91.6 FPS, indicating that Ultra is effectively free in terms of performance at this resolution.

Q: Can this combo maintain 60 FPS at 4K with High settings?

A: No, the measured average at 3840x2160 with High settings is 52.7 FPS, which falls short of the 60 FPS target. To achieve a playable frame rate at 4K, users must drop to Medium, which delivers 71.2 FPS.

Q: How does the CPU’s single-thread performance compare to its multi-thread performance?

A: The Ryzen 5 8400F scores 2943 in Cinebench R23 single-core and 20851 in multi-core, showing a strong single-thread capability that is crucial for flight simulation, where the main thread often bottlenecks. The 3DMark single-thread score of 951 further corroborates this strength.

Q: What is the performance difference between Low and Ultra at 1440p?

A: At 2560x1440, the Low preset achieves 123.8 FPS, while Ultra drops to 72.9 FPS, representing a 50.9 FPS difference. This indicates that the Ultra preset imposes a significant load on the GPU, but the resulting frame rate remains smooth for most displays.

Q: Is this combo more CPU-limited or GPU-limited at 1080p?

A: At 1080p, the high frame rates across all presets (ranging from 90.6 FPS on Ultra to 159 FPS on Low) suggest that the GPU is not fully saturated, but the CPU’s single-thread performance is sufficient to avoid becoming a bottleneck. The data shows the CPU’s 82nd percentile ranking, which is strong but not elite.

Q: How does the GPU’s benchmark score compare to its nearest rival?

A: The RTX 3080 has an average benchmark score of 35787, which is 0.2% higher than the AMD Radeon Pro Duo’s 35860 score (indicated by a deltaPct of -0.2 for the rival), meaning the RTX 3080 is effectively on par with that competitor. It also sits 0.4% behind the AMD Radeon 880M, which scores 35646.

CPU Role

The AMD Ryzen 5 8400F is a 6-core, 12-thread processor based on the Zen 4 architecture, codenamed Phoenix, with a base clock of 4.20 GHz and a boost clock of 4.70 GHz. In Microsoft Flight Simulator, the CPU’s role is critical because the simulation engine relies heavily on single-thread performance for physics, AI, and scenery generation. The benchmark data shows a 3DMark single-thread score of 951 and a Cinebench R23 single-core score of 2943, which are respectable figures that prevent the CPU from becoming a limiting factor at most settings. The multi-thread capabilities, evidenced by a Cinebench R23 multicore score of 20851 and a 3DMark max-threads score of 6165, provide headroom for background tasks and complex scenarios with multiple aircraft or dense urban environments. The CPU’s 82nd percentile ranking among all CPUs indicates it performs better than the majority of processors, but it is not at the top tier. In terms of rivals, the Ryzen 5 8400F’s average benchmark score of 25064 is nearly identical to the AMD Ryzen 7 2700X (25057, 0% delta) and the AMD Ryzen AI 5 PRO 340 (25099, -0.1% delta), showing that it competes directly with these older or lower-tier parts. However, for this game, the CPU’s single-thread strength is what matters most, and the data suggests that at 1080p and 1440p, the processor is not the primary bottleneck—the GPU takes over that role as resolution increases.

How This Combo Ranks

The combination of the Ryzen 5 8400F and RTX 3080 holds a rank of 524 out of 1795 tested combos in Microsoft Flight Simulator, placing it in the 29th percentile of all configurations. This ranking is noteworthy because the CPU is a budget-oriented part (launch MSRP $170) paired with a high-end GPU (launch MSRP 699 USD), creating an asymmetric pairing. The data indicates that the combo performs admirably, especially considering the CPU’s modest price point, but it does not crack the top tier of combinations. The rank suggests that while the RTX 3080 provides excellent graphical horsepower, the Ryzen 5 8400F’s single-thread performance, while strong, is not sufficient to boost the combo into the upper echelons where CPUs with higher single-thread scores reside. In practical terms, this means that users with this combo will experience smooth gameplay at 1080p and 1440p, but they may see frame rate dips in CPU-intensive scenarios like flying over detailed cityscapes or during heavy weather effects. The 29th percentile rank also implies that there are 1,271 other combos that perform better, likely featuring more powerful CPUs such as the Ryzen 7 or Intel Core i7/i9 parts with higher boost clocks. Nevertheless, the combo outranks 71% of all tested configurations, which is a solid result for a mid-range CPU paired with a last-generation flagship GPU.

Resolution Scaling

The FPS scaling from 1080p to 4K reveals a classic GPU-bound progression, with the RTX 3080 becoming the limiting factor at higher resolutions. At 1080p with High settings, the average FPS is 91.6, which drops to 76.8 at 1440p (a 16% decrease) and further to 52.7 at 4K (a 42% decrease from 1080p). This trend is even more pronounced on the Low preset: 159 FPS at 1080p falls to 123.8 FPS at 1440p (22% drop) and then to 94.9 FPS at 4K (40% drop from 1080p). The scaling pattern indicates that the GPU’s pixel throughput, rated at 164.2 GPixel/s, is the primary constraint as resolution increases. The CPU’s role diminishes at 4K because the frame rate drops below 60 FPS, giving the processor more time to complete its frame calculation tasks without becoming a bottleneck. Conversely, at 1080p with Low settings, the 159 FPS average suggests the CPU is still keeping up, but the GPU is working hard to fill those frames. The data shows that the RTX 3080’s memory bandwidth of 760.3 GB/s and 10 GB of GDDR6X memory are sufficient for 4K, but the raw compute power (29.77 TFLOPS FP32) is not enough to maintain high frame rates with Ultra settings. The scaling from Medium to Ultra at 4K is particularly telling: Medium achieves 71.2 FPS, while Ultra drops to 51.4 FPS, a 28% reduction that highlights the extreme cost of the Ultra preset’s additional effects. Ultimately, the resolution scaling confirms that this combo is best suited for 1080p and 1440p gaming, where it can deliver high frame rates across all presets, while 4K requires dropping to Medium or Low settings to remain playable.