Microsoft Flight Simulator

Microsoft Flight Simulator is a notoriously demanding title, and the pairing of the AMD Ryzen 5 5600 with the AMD Radeon RX 7900 XT produces a set of results that clearly illustrate the balance between CPU and GPU workloads. The data shows a system capable of high frame rates at lower resolutions, but one that becomes progressively more GPU-bound as resolution increases, ultimately delivering a playable, though not overwhelmingly smooth, experience at 4K Ultra settings.

Resolution Scaling

The measured FPS data reveals a classic resolution scaling curve for this combo in Microsoft Flight Simulator. At 1080p with Low settings, the system achieves an average of 172 FPS. Moving to 1440p Low drops that average to 143 FPS, a 16.9% decrease, and at 4K Low, the average falls to 106 FPS, a further 25.9% reduction from the 1440p figure. This pattern indicates that even at Low settings, the GPU is becoming a more significant factor as pixel count increases, though the high frame rates suggest the CPU is still feeding frames adequately.

The scaling becomes more pronounced at higher graphical presets. At High settings, the average FPS goes from 104 at 1080p, to 84 at 1440p, and finally to 62 at 4K. The drop from 1080p to 1440p is 19.2%, while the drop from 1440p to 4K is 26.2%. This increasing percentage drop as resolution climbs is a clear indicator that the RX 7900 XT is being tasked with more work per frame, and its performance ceiling is being approached.

The most telling data point for identifying the limiting component comes from the Ultra preset. Here, the average FPS is 99 at 1080p, 80 at 1440p, and 59 at 4K. The relatively modest gap between 1080p and 1440p Ultra (19.2% drop) suggests that the CPU is starting to become a bottleneck at the lower resolution, preventing the GPU from fully stretching its legs. However, the significant drop to 59 FPS at 4K Ultra shows that the GPU's raw rendering capabilities are the primary constraint at that resolution. The data suggests that at 1080p and 1440p, the Ryzen 5 5600's six cores are likely the limiting factor in pushing higher maximum frame rates, while at 4K, the RX 7900 XT's raw throughput is the definitive ceiling.

How This Combo Ranks

In the comprehensive database of tested processor and graphics card combinations for Microsoft Flight Simulator, this specific pairing holds a position of 695 out of 3714 combos. This places it comfortably in the top 18.7% of all tested configurations, indicating that it is a strong performer for this title, though not at the absolute pinnacle of performance. The rank reflects a system that can deliver high frame rates in many scenarios but will not be the top-tier choice for enthusiasts seeking the absolute highest refresh rate experiences at maximum settings.

The combo's rank is a synthesis of the CPU's and GPU's individual capabilities. The Ryzen 5 5600 has an average benchmark score of 20468, which places it in the 74th percentile of all CPUs, and it sits within 0.5% of rivals like the AMD EPYC 7713. The RX 7900 XT, with an average benchmark score of 13745, sits in the 55th percentile of all GPUs. The fact that the combo ranks higher than the GPU's individual percentile suggests that the CPU is providing a solid foundation, and the pairing works well together for this specific game's engine, which is known to be heavily dependent on single-threaded CPU performance.

Given that the combo is ranked 695th, it is reasonable to infer that a significant number of higher-ranked combinations feature more powerful CPUs, such as those with higher boost clocks or more cache, or more powerful GPUs. The data indicates that while this combo is not at the very top, it is a high-performing, balanced pairing that outperforms the vast majority of other systems tested in the database for this game.

GPU Role

The AMD Radeon RX 7900 XT is the primary driver of frame rates at higher resolutions and graphical settings. Its 20 GB of GDDR6 memory on a 320-bit bus provides 800.0 GB/s of bandwidth, which is a significant asset for a game like Microsoft Flight Simulator that streams vast amounts of terrain and texture data. The ample memory capacity ensures that the GPU is unlikely to be bottlenecked by VRAM limitations, even at 4K with high-detail scenery.

The GPU's clock speeds, with a base of 1387 MHz and a boost of 2394 MHz, are relatively high, but its performance in this game is more about raw compute throughput. The data shows that the GPU's role becomes more critical as resolution increases. The average FPS at 4K High is 62, which is only 62.5% of the 1080p High result of 104 FPS. This scaling demonstrates that the GPU's shading units, texture mapping units, and render output units are being saturated as the pixel workload grows.

The GPU's performance relative to its rivals in the database is interesting. Its nearest rival, the AMD Radeon RX 9070 XT, has a score that is 1.5% higher, while the NVIDIA RTX A2000 Mobile is 0.5% lower. This suggests that the RX 7900 XT is a solid mid-to-high-range performer. However, its 55th percentile ranking among all GPUs indicates that many newer or higher-tier cards offer more raw power. In Microsoft Flight Simulator, this translates to a GPU that can handle 1440p and 4K at high settings, but will struggle to maintain very high frame rates at the most demanding Ultra preset, particularly at 4K.

Measured FPS Breakdown

The measured FPS data provides a detailed look at performance across three resolutions and four settings levels.

At 1920x1080, the combo delivers strong performance:

• Low: 172 FPS average
• High: 104 FPS average
• Medium: 138 FPS average (min 117, max 159)
• Ultra: 99 FPS average

The 1080p results show a large gap between Low and High settings, indicating that the CPU is able to feed the GPU enough data to reach high frame rates, but the GPU's workload increases significantly with detail level. The difference between High (104 FPS) and Ultra (99 FPS) is minimal, which suggests that the CPU or the game's engine is starting to limit performance at these settings, not the GPU.

At 2560x1440, the GPU begins to take on a more dominant role:

• Low: 143 FPS average
• High: 84 FPS average
• Medium: 111 FPS average (min 95, max 128)
• Ultra: 80 FPS average

The 1440p results show a more consistent scaling pattern. The drop from Low to High is 41.3%, and from High to Ultra is 4.8%. The frame rates are still very playable, but the GPU is clearly being pushed harder. The 4% difference between High and Ultra suggests that the GPU is now the primary bottleneck, as the extra detail in Ultra settings is directly impacting render time.

At 3840x2160, the GPU is definitively the limiting factor:

• Low: 106 FPS average
• High: 62 FPS average
• Medium: 82 FPS average (min 70, max 94)
• Ultra: 59 FPS average

The 4K results highlight the RX 7900 XT's limitations at the highest resolution. The average FPS at Ultra is just 59, which is marginal for a smooth experience. The scaling from Low to High is a 41.5% drop, showing the immense load of the High preset at 4K. The data confirms that this combo is best suited for 1440p gaming, where it can maintain high frame rates across all settings, while 4K is only viable at lower-to-medium settings for a consistently smooth experience.

FAQ

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

A: The data suggests 2560x1440 is the sweet spot. At this resolution, the combo achieves an average of 111 FPS on Medium and 84 FPS on High, providing a good balance between visual fidelity and smooth performance. At 4K, the average FPS drops to 82 on Medium and 62 on High, which is still playable but requires more compromises on settings.

Q: Is this combo more CPU-bound or GPU-bound at 4K?

A: The data indicates it is heavily GPU-bound at 4K. The average FPS at 4K Ultra is 59, which is only slightly lower than the 4K High result of 62. This small difference, combined with the significant drop in FPS from 1440p to 4K at the same settings, shows that the Radeon RX 7900 XT's rendering capabilities are the primary constraint.

Q: How does the Ryzen 5 5600's single-thread performance impact the game?

A: The CPU's 3DMark single-thread score is 882, and its Cinebench R23 single-core score is 2584. Microsoft Flight Simulator is known to be sensitive to single-core performance, and the data shows that at 1080p, the FPS difference between High (104) and Ultra (99) is small, suggesting the CPU's single-thread speed is a limiting factor in achieving higher frame rates at this resolution.

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

A: At 2560x1440, the average frame rate drops from 143 FPS on Low to 80 FPS on Ultra, a 44.1% decrease. This shows a significant performance cost for the increased graphical fidelity of the Ultra preset.

Q: Does the 20 GB of VRAM on the GPU provide an advantage?

A: The 20 GB of memory on the RX 7900 XT provides a large frame buffer. While the data does not measure VRAM usage directly, the GPU's 800.0 GB/s of memory bandwidth and large capacity are likely sufficient to handle the high-resolution textures and streaming data that Microsoft Flight Simulator requires, preventing potential stutters or texture pop-in that could occur with less memory.

Q: How does this combo rank compared to all other tested systems?

A: It ranks 695th out of 3714 tested combinations. This places it in the top 18.7% of all combos, making it a high-performing system for this game, though there are more powerful configurations available.

CPU Role

The AMD Ryzen 5 5600 plays a crucial, yet secondary, role in this combo's performance. Its six cores and twelve threads, based on the Zen 3 architecture, provide a solid foundation for the game's engine. The CPU's 32 MB of shared L3 cache is a key asset for gaming, and its boost clock of 4.40 GHz is competitive. In synthetic benchmarks, the CPU scores 18309 in Cinebench R23 multi-core and 2584 in single-core, demonstrating a balanced profile that is well-suited for a game that uses a mix of threads.

The data from the measured FPS reveals the CPU's influence, particularly at 1080p. Here, the CPU is likely the bottleneck in some scenarios. For instance, at 1080p Ultra, the average FPS is 99, which is only slightly lower than the 1080p High result of 104 FPS. This small gap suggests that the CPU is unable to process the game's simulation and draw calls much faster than 104 FPS, regardless of the GPU's capabilities. The CPU's 3DMark 2-thread score of 1737 and 4-thread score of 3313 highlight its strength in lightly-threaded workloads, which is typical for game physics and logic.

As resolution increases to 1440p and 4K, the CPU's bottleneck is alleviated because the GPU takes longer to render each frame. At 4K Ultra, the CPU has more time to prepare the next frame, allowing the GPU to become the primary limiting factor. The CPU's 74th percentile ranking among all processors, and its position within 0.5% of rivals like the Intel Core Ultra 7 258V, indicates that it is a competent performer. However, for a game as demanding as Microsoft Flight Simulator, the data suggests that a stronger CPU could push frame rates slightly higher at 1080p, but would have a negligible impact on 4K performance, where the GPU is the clear bottleneck.