Microsoft Flight Simulator

Resolution Scaling

The measured FPS data for Microsoft Flight Simulator with the AMD Ryzen 9 9900X and Intel Arc B580 reveals a pronounced performance drop as resolution scales from 1080p to 4K. At the High preset, the average frame rate falls from 55.7 FPS at 1920x1080 to 46.6 FPS at 2560x1440, a reduction of roughly 16%. Moving further to 3840x2160, the average drops to 32.3 FPS, which represents a 42% decline from the 1080p figure. This steep scaling curve indicates that the system becomes increasingly GPU-bound at higher resolutions, with the Arc B580's rendering throughput being the primary limiting factor.

The pattern holds across all presets. At Low settings, the 1080p average of 98.8 FPS falls to 74.5 FPS at 1440p and then to 58.9 FPS at 4K. The Medium preset shows a similar trajectory: 75.5 FPS at 1080p, 59.8 FPS at 1440p, and 42.0 FPS at 4K. The Ultra preset delivers 53.4 FPS at 1080p, 41.3 FPS at 1440p, and 31.0 FPS at 4K. Notably, the gap between 1440p and 4K is consistently larger than the gap between 1080p and 1440p, suggesting that the memory bandwidth and pixel throughput of the GPU are stretched thin at the highest resolution.

The data shows that at 1080p, the CPU still has headroom to push higher frame rates, as evidenced by the 98.8 FPS Low result. However, the Arc B580's 12 GB of GDDR6 memory and 456.0 GB/s bandwidth are not sufficient to maintain playable frame rates at 4K with higher presets. The drop from 58.9 FPS at 4K Low to 32.3 FPS at 4K High underscores how dramatically the GPU workload scales with settings at this resolution. For users targeting 4K, the results indicate the system will struggle to maintain smooth frame rates unless settings are kept minimal.

Settings Recommendations

The benchmark data provides clear guidance for optimizing the experience across different resolutions. At 1080p, the Medium preset delivers 75.5 FPS, which is a substantial improvement over High's 55.7 FPS while still offering a meaningful visual upgrade over Low's 98.8 FPS. The Medium preset appears to be the sweet spot for this resolution, balancing fluidity with visual fidelity. Ultra at 1080p yields 53.4 FPS, which is playable but leaves little margin for demanding scenes or add-on content.

At 1440p, the Medium preset produces 59.8 FPS, which is the most balanced option. High drops to 46.6 FPS, and Ultra falls to 41.3 FPS, both of which may feel sluggish during complex flight phases. Low at 1440p achieves 74.5 FPS, but the visual compromise is significant. The recommendation for 1440p is to use Medium, as it provides a frame rate close to the 60 FPS target while retaining enough graphical detail for an immersive simulation.

At 4K, the situation is more constrained. Medium delivers 42.0 FPS, while High and Ultra produce 32.3 FPS and 31.0 FPS respectively. Low at 4K reaches 58.9 FPS, which is the only preset that approaches smoothness. For 4K users, the data suggests either accepting Low settings for playability or scaling down to 1440p with Medium for a better overall experience. The measured results indicate that the Ultra preset offers minimal benefit over High at 4K, with a difference of only 1.3 FPS, making it the least efficient choice.

CPU Role

The AMD Ryzen 9 9900X is a 12-core, 24-thread processor based on the Zen 5 architecture (Granite Ridge), with a base clock of 4.40 GHz and a boost clock of 5.60 GHz. Its benchmark scores show strong multi-threaded performance: a Cinebench R23 multicore score of 46438 and a Geekbench multicore score of 19827. Single-thread performance is also respectable, with a Cinebench R23 single-core score of 6555 and a 3DMark single-thread score of 1286.

In Microsoft Flight Simulator, which is known for its heavy reliance on CPU performance for physics, weather, and AI traffic calculations, the 9900X provides ample compute headroom. The 3DMark 16-thread score of 12552 and max-thread score of 13929 indicate that the processor can handle the game's multi-threaded workloads without becoming a bottleneck. The 64 MB shared L3 cache and 1 MB per-core L2 cache help reduce memory latency, which is beneficial for the game's frequently accessed data structures.

The CPU's percentile ranking of 94 among all CPUs places it in the top tier of desktop processors. Compared to its nearest rivals, the 9900X is 0.4% slower than the AMD Ryzen 9 9900X3D and 0.7% faster than the Intel Core i7-14700F. This positioning means the 9900X is not the absolute fastest for this game, but it is more than sufficient to feed the Arc B580 at most settings. The data shows that at 1080p Low, the system reaches 98.8 FPS, which suggests the CPU is capable of much higher frame rates if the GPU allowed it.

How This Combo Ranks

The combination of the AMD Ryzen 9 9900X and Intel Arc B580 ranks 1413 out of 1795 tested combinations for Microsoft Flight Simulator. This places it in the lower third of all tested combos, which may seem surprising given the CPU's strength. However, the ranking is heavily influenced by the GPU's performance ceiling, as the Arc B580's average benchmark score of 23021 places it at the 66th percentile among all GPUs.

The GPU's nearest rivals highlight the competitive landscape. The Intel Arc B580 is 0.1% faster than the AMD Radeon 760M and 0.3% faster than the NVIDIA P106-100. It is 0.7% slower than the NVIDIA GeForce RTX 4060 and 1.3% faster than the NVIDIA GeForce RTX 4060 Mobile. These deltas are small, indicating that the Arc B580 sits in a tightly contested performance tier. For Microsoft Flight Simulator, this means the combo's rank is primarily determined by the GPU's mid-range capability, not the CPU's high-end positioning.

The disparity between the CPU's 94th percentile ranking and the combo's 1413th overall rank underscores the GPU-bound nature of this pairing. In a flight simulator that stresses both components, the Arc B580 becomes the limiting factor at higher resolutions and presets. Users looking to improve the combo's standing would need to consider a more powerful GPU, as the Ryzen 9 9900X offers substantial headroom for future upgrades.

GPU Role

The Intel Arc B580, based on the Xe2-HPG architecture (Battlemage), is a 5 nm GPU with 2560 shading units, 160 TMUs, and 80 ROPs. It operates at a base and boost clock of 2670 MHz, with 12 GB of GDDR6 memory on a 192-bit bus, providing 456.0 GB/s of bandwidth. The GPU's FP32 compute is rated at 13.67 TFLOPS, and it supports DirectX 12 Ultimate, Vulkan 1.4, and OpenGL 4.6.

In Microsoft Flight Simulator, the GPU's role is critical for rendering the detailed terrain, aircraft models, and weather effects. The measured FPS data shows that the Arc B580 struggles at 4K with higher presets, delivering only 32.3 FPS at High and 31.0 FPS at Ultra. This aligns with the GPU's 66th percentile ranking, which indicates it is a mid-range performer. The 12 GB VRAM is adequate for 1080p and 1440p at all presets, as evidenced by the 53.4 FPS at 1080p Ultra and 41.3 FPS at 1440p Ultra.

The GPU's benchmark scores further contextualize its performance. The 3DMark Steel Nomad DX12 score of 3068 and PassMark G3D score of 15748 suggest moderate DirectX 12 capability, which is relevant for this game's modern rendering pipeline. The Geekbench Vulkan score of 109672 indicates solid cross-API support, but the game's optimization for NVIDIA and AMD GPUs may limit the Arc B580's efficiency. The 80 ROPs and 213.6 GPixel/s pixel rate are sufficient for 1080p and 1440p but become strained at 4K, where the pixel workload quadruples compared to 1080p.

The GPU's power envelope of 190 W TDP and PCIe 4.0 x8 interface are reasonable for its class, but the bandwidth limitation of the x8 link could theoretically impact performance in texture-heavy scenes. However, the benchmark results suggest that raw compute and memory bandwidth are the primary constraints, not the bus interface. Overall, the Arc B580 provides a playable experience at 1080p and 1440p with Medium settings, but users seeking 4K performance would need to accept Low settings or consider a higher-tier GPU.