Microsoft Flight Simulator

The Intel Core i5-14400F and NVIDIA GeForce RTX 3080 combination delivers a highly capable, if not top-tier, experience in Microsoft Flight Simulator, with the data showing a clear shift in bottleneck behavior depending on resolution and settings. Across all twelve measured configurations, the pair produces frame rates ranging from a demanding 51.7 FPS at 4K Ultra to a fluid 157.5 FPS at 1080p Low, revealing a system that can adapt to both visual fidelity and competitive smoothness. The benchmark results indicate that this combo ranks 521st out of 1795 tested combinations, placing it in the upper third of all systems, a position that reflects the strengths of the 10-core processor and the 10 GB graphics card.

FAQ

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

A: The highest average frame rate recorded is 157.5 FPS, which occurs at 1920x1080 resolution with the Low preset. This drops to 122.8 FPS at Medium and 94.4 FPS at High at the same resolution.

Q: How does the combo perform at 4K Ultra settings, and is it playable?

A: At 3840x2160 with Ultra settings, the average frame rate is 51.7 FPS. While this is below the 60 FPS threshold often sought for smooth gameplay, it remains a playable figure for a flight simulator, where precision is more critical than reflex-based responsiveness.

Q: Is the CPU or GPU more likely to be the limiting factor at 1080p?

A: The data suggests the GPU becomes less of a bottleneck at lower resolutions. The 157.5 FPS result at 1080p Low is nearly double the 92.8 FPS at 4K Low, indicating that the graphics card is heavily taxed at higher resolutions, while the CPU can sustain higher output when the graphical load is reduced.

Q: What are the core and thread specifications of the Intel Core i5-14400F?

A: The processor features 10 cores and 16 threads, with a base clock of 2.50 GHz and a boost clock of 4.70 GHz. It has a 20 MB shared L3 cache and a TDP of 65 W.

Q: What is the memory configuration of the NVIDIA GeForce RTX 3080?

A: The GPU is equipped with 10 GB of GDDR6X memory on a 320-bit bus, providing a bandwidth of 760.3 GB/s. Its boost clock is rated at 1710 MHz.

Q: How does the combo's rank of 521 compare to the total number of tested configurations?

A: The combo ranks 521st out of 1795 total combinations tested. This places it in the top 29% of all systems, which is a strong showing but not exceptional for a high-end GPU paired with a mid-range CPU.

GPU Role

The NVIDIA GeForce RTX 3080, built on the Ampere architecture with 8704 shading units and 272 texture mapping units, is the dominant force in this pairing for Microsoft Flight Simulator. The GPU's 10 GB of GDDR6X memory and 760.3 GB/s bandwidth are crucial for handling the vast texture streaming and terrain data that the simulator demands. The data shows that the GPU's influence is most pronounced when moving between resolution tiers; for instance, at High settings, the frame rate drops from 94.4 FPS at 1080p to 75.7 FPS at 1440p, and further to 53.6 FPS at 4K. This scaling pattern is a classic sign of a GPU-bound scenario, where the rendering workload increases with pixel count.

The RTX 3080's 68 RT cores and 272 tensor cores are present but do not directly appear in the measured FPS data, though they contribute to the card's overall capabilities in a title like this. The GPU's boost clock of 1710 MHz and pixel rate of 164.2 GPixel/s provide the raw throughput needed for the simulator's complex scenery rendering. However, the data reveals a potential limitation: at 4K Ultra, the system hits 51.7 FPS, suggesting that even this powerful card struggles with the absolute maximum settings. The GPU's percentile rank of 80th among all GPUs and its nearest rival, the AMD Radeon RX 7900 GRE, which is 0.9% faster in average benchmark score, place it in a competitive but not leading position for this simulator.

Resolution Scaling

The measured FPS across resolutions tells a compelling story about where the bottleneck lies. Scaling from 1080p to 4K at Low settings, the frame rate drops from 157.5 FPS to 92.8 FPS, a reduction of 41%. At High settings, the drop is from 94.4 FPS to 53.6 FPS, a 43% decrease. This consistent ~40-45% reduction when quadrupling the pixel count indicates that the RTX 3080 is the primary limiting component, as the CPU's workload (draw calls, physics, and simulation logic) does not scale linearly with resolution.

The data shows a more interesting trend when comparing settings at the same resolution. At 1440p, the gap between Low (124 FPS) and Ultra (72.6 FPS) is 51.4 FPS, whereas at 4K, the gap between Low (92.8 FPS) and Ultra (51.7 FPS) is 41.1 FPS. This narrowing gap at higher resolutions suggests that as the GPU becomes more saturated, the relative impact of graphical settings diminishes, further confirming the GPU-bound nature of this combo at 4K. At 1080p, the Ultra preset (91.2 FPS) is nearly identical to the 4K Low (92.8 FPS), highlighting that the CPU can push similar frame rates when the GPU workload is low, but the GPU’s ceiling is what prevents higher numbers at 4K.

How This Combo Ranks

With a combo rank of 521 out of 1795, this system sits in the 71st percentile of all tested combinations, meaning it outperforms roughly 71% of systems tested in this game. This is a respectable position, but the data implies that the pairing is not perfectly balanced. The CPU, the i5-14400F, has an average benchmark score of 32508 and ranks in the 88th percentile of all CPUs, with nearest rivals including the Intel Core i7-12800H and AMD Ryzen 5 PRO 7645, both within 0.2% of its score. The GPU, with an average benchmark score of 35787 and an 80th percentile rank, is comparatively weaker relative to its peers; its nearest rival, the AMD Radeon RX 7900 GRE, is 0.9% faster.

This discrepancy — a top-tier CPU percentile against a slightly lower GPU percentile — suggests that the combo’s 521st rank is likely held back by the RTX 3080 in this specific simulator. In a game like Microsoft Flight Simulator, which is known for its heavy single-threaded CPU demands (the i5-14400F scores 3093 in Cinebench R23 single-core), the CPU’s strength should shine, but the GPU’s 10 GB memory and raw compute are what ultimately cap performance at high resolutions. The data supports this: the combo performs best at 1080p where the CPU can feed the GPU adequately, but at 4K, the GPU’s limitations become the ceiling.

CPU Role

The Intel Core i5-14400F, with its 10 cores (likely a mix of performance and efficiency cores, given its Raptor Lake architecture) and 16 threads, provides substantial multi-threaded and single-threaded performance. Its Cinebench R23 multi-core score of 21914 and single-core score of 3093 indicate strong capabilities that are well-suited for Microsoft Flight Simulator’s complex flight models and world simulation. The CPU’s boost clock of 4.70 GHz and 20 MB of L3 cache are crucial for the simulator’s draw call processing and physics calculations, which are often single-threaded.

The data reveals that the CPU is not the primary bottleneck in most scenarios. At 1080p Low, the system achieves 157.5 FPS, a number that approaches the CPU’s practical limit for this game engine. When compared to the 4K Low result of 92.8 FPS, the 64.7 FPS difference is almost entirely attributable to the GPU’s rendering load. The CPU’s performance is also reflected in its benchmark scores: a PassMark multithread score of 25783 and a single-thread score of 3723, both of which are solidly above average. However, the CPU’s 65 W TDP and DDR4/DDR5 memory support indicate a balanced power envelope, and its performance in this game suggests it is more than capable of feeding the RTX 3080, except perhaps at the very lowest settings where the GPU becomes idle.

Measured FPS Breakdown

The measured FPS data provides a complete picture of performance across all combinations of resolution and settings. At 1920x1080, the results are: Low 157.5 FPS, Medium 122.8 FPS, High 94.4 FPS, and Ultra 91.2 FPS. Moving to 2560x1440, the numbers are: Low 124 FPS, Medium 100.5 FPS, High 75.7 FPS, and Ultra 72.6 FPS. Finally, at 3840x2160, the results are: Low 92.8 FPS, Medium 72.5 FPS, High 53.6 FPS, and Ultra 51.7 FPS.

The data shows a clear pattern: the largest performance hit comes from increasing resolution, not settings. For example, at Medium settings, moving from 1080p (122.8 FPS) to 1440p (100.5 FPS) is a 22.3 FPS drop, while moving from Medium to High at 1440p is a 24.8 FPS drop. This suggests that both resolution and settings are significant factors, but the settings scaling is slightly more impactful at mid-range resolutions. The difference between High and Ultra is consistently small across all resolutions — 3.2 FPS at 1080p, 3.1 FPS at 1440p, and 1.9 FPS at 4K — indicating that Ultra offers minimal visual benefit for a measurable cost, and High is the sweet spot for performance. The 4K Ultra result of 51.7 FPS is the lowest recorded, and it shows that this combo cannot maintain 60 FPS at the highest fidelity, but it remains playable.

Settings Recommendations

Based on the measured rows, the optimal experience depends on the user’s priority. For those seeking the highest visual quality without sacrificing smoothness, the High preset is the clear choice. At 1440p, High delivers 75.7 FPS, which is a comfortable margin above the 60 FPS target, and at 1080p, it achieves 94.4 FPS, offering a fluid experience with substantial graphical detail. The Ultra preset at these resolutions provides only marginal gains (72.6 FPS at 1440p and 91.2 FPS at 1080p) while costing a few frames, making it a poor trade-off.

For users with 4K displays, the data suggests that Medium settings (72.5 FPS) are the best balance, as they provide a smooth frame rate while maintaining a reasonable level of detail. High at 4K (53.6 FPS) is borderline playable but not ideal for a simulator where smooth panning is important. The Low preset at any resolution offers the highest frame rates (157.5 FPS at 1080p, 124 FPS at 1440p, 92.8 FPS at 4K) but sacrifices the visual richness that makes Microsoft Flight Simulator immersive. Therefore, the recommended configuration is High at 1080p or 1440p for a flawless experience, or Medium at 4K for a playable high-resolution option.