Microsoft Flight Simulator

# Microsoft Flight Simulator — Intel Core i5-13400F + AMD Radeon RX 6600 XT

The pairing of Intel's 10-core Core i5-13400F with AMD's Radeon RX 6600 XT creates a mid-range system that shows a clear split personality in Microsoft Flight Simulator. At 1080p Low settings, the combo delivers 103 FPS on average, but that number collapses to 32.3 FPS at 4K High — a dramatic drop that reveals where the bottleneck lives. The data suggests a system that can handle the simulator's lighter presets at high refresh rates, but struggles to maintain playability when both resolution and visual fidelity climb.

Resolution Scaling

The FPS curve across resolutions is steep and telling. Moving from 1080p to 1440p at High settings drops the average from 61.1 FPS to 46.8 FPS, a reduction of roughly 23%. The jump from 1440p to 4K at High is even more punishing, falling from 46.8 FPS to 32.3 FPS — another 31% cut. This pattern indicates that the GPU is increasingly becoming the limiting factor as pixel count rises, since the CPU's workload doesn't scale with resolution the same way.

At Low settings, the scaling story changes. The system produces 103 FPS at 1080p, 82.2 FPS at 1440p, and 59.8 FPS at 4K. The 4K Low figure being nearly double the 4K High figure (59.8 vs 32.3) shows that the RX 6600 XT has headroom when the visual load is reduced, but the simulator's higher presets at 4K simply overwhelm the GPU's 8 GB GDDR6 memory and 256.0 GB/s bandwidth.

The Ultra preset tells a similar story: 58.7 FPS at 1080p, 42.6 FPS at 1440p, and 32.8 FPS at 4K. Notably, the gap between High and Ultra at 4K is minimal (32.3 vs 32.8), suggesting that at 4K, the system is already so bottlenecked that the extra settings between High and Ultra make little difference. This saturation point is a key insight — the GPU is maxed out regardless of whether you push from High to Ultra at 4K.

CPU Role

The Core i5-13400F brings 10 cores and 16 threads with a boost clock of 4.60 GHz, built on Intel's Raptor Lake architecture. In synthetic benchmarks, this CPU scores 21279 in Cinebench R23 multicore and 3004 in single-core, placing it at the 82nd percentile among all CPUs. Its nearest rivals include the Intel Core i7-13620H (0.1% ahead) and AMD Ryzen 5 5600X3D (0.5% behind), showing that this chip sits in a crowded performance band.

In Microsoft Flight Simulator, the CPU's influence is most visible at lower resolutions where the GPU isn't saturated. At 1080p Low, the 103 FPS average suggests the CPU can feed the GPU well enough, but the single-thread score of 3004 in Cinebench R23 indicates that the simulator's primary thread may still be a limiting factor. The 20 MB of shared L3 cache and dual-channel memory support (DDR4 or DDR5) help with the large streaming world, but the data doesn't show a CPU bottleneck at higher resolutions — the FPS drops are too consistent with GPU-bound behavior.

The 3DMark scores reinforce this: 960 in single-thread and 7314 in 16-thread tests. For a flight simulator that relies heavily on a few main threads, the single-thread performance is adequate but not exceptional. The 65W TDP and locked multiplier (no overclocking) mean this CPU will run at its rated 4.60 GHz boost without headroom for manual tuning, which could matter for users seeking every last frame in CPU-bound scenarios.

GPU Role

The Radeon RX 6600 XT is built on RDNA 2.0 with 2048 shading units, 32 ray accelerators, and a boost clock of 2589 MHz. Its 8 GB of GDDR6 memory on a 128-bit bus delivers 256.0 GB/s of bandwidth — a configuration that becomes a clear constraint at 4K in this simulator. The GPU sits at the 71st percentile among all GPUs, with an average benchmark score of 27985. Its nearest rival is the NVIDIA GeForce GTX 980 Ti (0.1% ahead), while the RTX 3070 is 0.9% ahead — a surprisingly close grouping for such different architectures.

The measured FPS data shows the GPU's limits clearly. At 4K Ultra, the system averages 32.8 FPS, which is barely above the 4K High result of 32.3 FPS. This near-flat response suggests the GPU is completely saturated at 4K regardless of preset. The 10.60 TFLOPS FP32 performance and 165.7 GPixel/s pixel rate are simply not enough to drive the simulator's dense scenery at 4K with high detail.

At 1080p, the GPU has more room. The 103 FPS at Low settings and 79.1 FPS at Medium show that the RX 6600 XT can handle the simulator well at mainstream resolutions. But the 58.7 FPS at 1080p Ultra indicates that even at 1080p, the Ultra preset pushes this GPU to its limits. The 32 ray accelerators and DirectX 12 Ultimate support (12_2) are present, but the simulator's rendering demands appear to stress the traditional rasterization pipeline more than ray tracing.

FAQ

Q: What is the best resolution for this combo in Microsoft Flight Simulator?

A: The data shows 1080p is the sweet spot. At 1080p High, the average is 61.1 FPS, which is playable, while 1080p Medium reaches 79.1 FPS. At 1440p, only Low (82.2 FPS) and Medium (61.1 FPS) maintain smooth frame rates.

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

A: Only at Low settings, where it averages 59.8 FPS. At Medium, 4K drops to 44.8 FPS, and both High (32.3) and Ultra (32.8) fall below the 40 FPS threshold typically considered smooth.

Q: How does the CPU compare to its nearest rivals?

A: The Core i5-13400F scores 25236 on average, which is 0.1% ahead of the Intel Core i7-13620H (25201) and 0.5% behind the AMD Ryzen 5 5600X3D (25365). The AMD EPYC 9474F scores 25103, putting it 0.5% behind.

Q: Is there a big difference between High and Ultra settings?

A: At 1080p, the gap is small: 61.1 FPS for High versus 58.7 FPS for Ultra. At 1440p, the difference widens to 46.8 vs 42.6. At 4K, both settings perform nearly identically (32.3 vs 32.8), indicating the GPU is the hard limit.

Q: What GPU is this Radeon RX 6600 XT most comparable to?

A: The data shows it scores 27985 on average, just 0.1% ahead of the GTX 980 Ti (27956) and 0.9% behind the RTX 3070 (28238). The AMD Radeon R9 M395X scores 27883, which is 0.4% behind.

Q: How does the GPU's memory bandwidth affect performance?

A: The 8 GB GDDR6 with 256.0 GB/s bandwidth is sufficient for 1080p and 1440p, but at 4K the simulator's large textures and streaming data likely exceed this capacity. The steep drop from 4K Medium (44.8 FPS) to 4K High (32.3 FPS) suggests memory bandwidth is a limiting factor.

Measured FPS Breakdown

At 1920x1080, the system produces its best results: 103 FPS on Low, 79.1 FPS on Medium, 61.1 FPS on High, and 58.7 FPS on Ultra. The step from High to Ultra costs only 2.4 FPS, while Low to Medium costs 23.9 FPS. This suggests that the Medium preset offers the most balanced trade-off at 1080p, capturing most of the available performance.

At 2560x1440, the averages are 82.2 FPS (Low), 61.1 FPS (Medium), 46.8 FPS (High), and 42.6 FPS (Ultra). The 1440p Medium result matches the 1080p High result exactly at 61.1 FPS, showing that resolution scaling and preset scaling interact in predictable ways. The Ultra preset at 1440p is 14.3 FPS below High, a larger gap than at 1080p.

At 3840x2160, the results compress: 59.8 FPS (Low), 44.8 FPS (Medium), 32.3 FPS (High), and 32.8 FPS (Ultra). The Ultra result being 0.5 FPS higher than High is notable — it falls within measurement variance and indicates that both presets are hitting the same GPU ceiling. The 4K Low result of 59.8 FPS is the only 4K setting that approaches a smooth experience.

Settings Recommendations

For players targeting 60 FPS, the data points to 1080p Medium (79.1 FPS) or 1080p High (61.1 FPS) as the best choices. The Medium preset provides a 29% FPS advantage over High at 1080p, which is a meaningful margin for a simulator where smooth panning matters.

At 1440p, the Medium preset delivers 61.1 FPS, matching the 1080p High result — this is the recommended setting for 1440p displays. The High preset at 1440p drops to 46.8 FPS, which may be acceptable for slower flight phases but risks stutter during fast maneuvers over dense scenery.

At 4K, only Low (59.8 FPS) is recommended for regular play. The Medium preset at 44.8 FPS is borderline, while High and Ultra (both around 32-33 FPS) are effectively unplayable for smooth flight. The data suggests that 4K users should either accept Low settings or consider this combo insufficient for their display.

The Ultra preset offers no compelling advantage at any resolution: it's only 2.4 FPS better than High at 1080p, 4.2 FPS worse at 1440p, and within noise at 4K. Skipping Ultra saves nothing in visual quality for this GPU-bound setup.

How This Combo Ranks

This specific combination ranks 1261 out of 1795 tested combos in Microsoft Flight Simulator, placing it in the 30th percentile of all tested systems. That ranking reflects the GPU's mid-tier position (71st percentile among all GPUs) and the CPU's solid but not elite standing (82nd percentile among all CPUs).

The rank suggests that most tested combos outperform this pairing in this simulator, which makes sense given the RX 6600 XT's 8 GB memory and 256.0 GB/s bandwidth. The CPU's strength — a 3004 single-core Cinebench R23 score — doesn't translate into top-tier simulator performance because the GPU becomes the constraint at higher resolutions and presets.

The gap between this combo's CPU and GPU percentiles (82 vs 71) indicates a mild CPU-over-GPU imbalance, but the measured FPS data shows the GPU is the binding constraint in most scenarios. Only at 1080p Low (103 FPS) does the CPU potentially become relevant, and even then the GPU is still delivering strong results. For users with this combo, the practical takeaway is that the RX 6600 XT defines the performance ceiling, and the i5-13400F has headroom to spare.