Microsoft Flight Simulator

The AMD Ryzen 5 8400F and AMD Radeon RX 7600 combination delivers a measured performance profile in Microsoft Flight Simulator that reflects a strong CPU paired with a mid-range GPU. The combo ranks 1235th out of 1795 tested combinations, placing it in the lower third of the database. The CPU, with a launch MSRP of $170, and the GPU, with a launch MSRP of 269 USD, together produce frame rates that range from 34.3 FPS at 4K Ultra to 101.7 FPS at 1080p Low. The data indicates a system where the GPU becomes the primary constraint at higher resolutions, while the CPU provides ample headroom for physics and simulation tasks.

Resolution Scaling

The measured FPS data shows a clear and consistent drop as resolution increases from 1920x1080 to 3840x2160. At Low settings, the frame rate falls from 101.7 FPS at 1080p to 80.9 FPS at 1440p, a reduction of 20.8 FPS, and then to 59.9 FPS at 4K, another 21.0 FPS drop. This pattern repeats across all settings. At High settings, 1080p yields 57.2 FPS, 1440p drops to 48.8 FPS, and 4K falls to 35.6 FPS. The scaling is not linear; the percentage drop from 1440p to 4K is steeper than from 1080p to 1440p. For example, at Medium settings, the 1080p-to-1440p drop is 12.7 FPS (from 77.3 to 64.6), while the 1440p-to-4K drop is 20.3 FPS (from 64.6 to 44.3). This accelerating decline indicates that the GPU is becoming the limiting component as pixel count rises. At 1080p, the highest frame rate of 101.7 FPS at Low settings suggests the CPU can feed the GPU adequately, but the relatively modest 57.2 FPS at High settings hints that even at 1080p, the GPU is already under load. The scaling behavior is typical of a GPU-bound scenario at higher resolutions, with the RX 7600's 8 GB VRAM and 128-bit memory interface likely contributing to the steep 4K penalties.

GPU Role

The AMD Radeon RX 7600 is built on the RDNA 3.0 architecture with a Navi 33 chip, featuring 2048 shading units, 128 TMUs, and 64 ROPs. Its base clock is 1720 MHz, with a boost clock of 2655 MHz and a game clock of 2250 MHz. The memory subsystem consists of 8 GB of GDDR6 on a 128-bit bus, delivering 288.0 GB/s of bandwidth. In Microsoft Flight Simulator, these specifications translate to a GPU that handles 1080p and 1440p reasonably well but struggles at 4K, particularly at higher settings. The 8 GB VRAM is a likely constraint at 4K Ultra, where the frame rate drops to 34.3 FPS. The GPU's average benchmark score is 20258, placing it at the 63rd percentile among all GPUs. Its nearest rivals in synthetic tests include the AMD Radeon RX 7600 XT (0.6% higher score), the AMD Radeon RX 460 (0.8% higher), the NVIDIA GeForce RTX 3070 Mobile (-1.3% lower), and the Intel Arc B570 (-1.5% lower). These deltas are small, indicating that the RX 7600 sits in a tight performance cluster. However, in-game results show that the GPU's capabilities are stretched by this flight simulator's demanding rendering. The boost clock of 2655 MHz is high, but the memory bandwidth of 288.0 GB/s may be insufficient for the large texture sets and draw distances typical of flight simulation. The GPU's Passmark G3D score of 16634 and DirectX 12 score of 58 further contextualize its mid-range positioning, though these synthetic numbers do not directly predict the measured FPS.

CPU Role

The AMD Ryzen 5 8400F is a 6-core, 12-thread processor based on the Zen 4 architecture (Phoenix codename) on a 4 nm process. It has a base clock of 4.20 GHz and a boost clock of 4.70 GHz, with a 16 MB shared L3 cache. The CPU's benchmark results are strong: Cinebench R23 multicore scores 20851, single-core 2943; Passmark multithread scores 24530, single-thread 3684. These place the CPU at the 82nd percentile among all CPUs, with an average benchmark score of 25064. Its nearest rivals include the AMD Ryzen 7 2700X (0% delta), the AMD Ryzen AI 5 PRO 340 (-0.1% delta), the AMD EPYC 9474F (-0.2% delta), and the AMD Ryzen 5 7500F (0.3% delta). The 8400F is essentially on par with the Ryzen 5 7500F, which is notable given the latter's popularity. In Microsoft Flight Simulator, the CPU's role is to handle simulation logic, AI traffic, and physics calculations. The measured FPS at 1080p Low (101.7 FPS) suggests the CPU is not a bottleneck at lower resolutions, as the frame rate is high enough to indicate headroom. However, at 1080p High (57.2 FPS) and Ultra (58.8 FPS), the frame rates are similar, which implies the GPU is the limiting factor rather than the CPU. The CPU's high single-thread performance (Cinebench R23 single-core 2943) is beneficial for a game that often relies on a few heavily loaded threads. The 6-core/12-thread configuration provides sufficient parallelism for the game's multi-threaded aspects, and the 4.70 GHz boost clock ensures responsive frame pacing. Overall, the CPU is well-matched to the GPU at 1080p and 1440p, but at 4K, the GPU's limitations dominate the performance profile.

Measured FPS Breakdown

The measured FPS data covers three resolutions and four settings, providing a comprehensive view of the combo's performance. At 1920x1080, the frame rates are: Low 101.7 FPS, Medium 77.3 FPS, High 57.2 FPS, and Ultra 58.8 FPS. The Ultra setting is slightly higher than High, which is an anomaly but within the margin of measurement variance. At 2560x1440, the results are: Low 80.9 FPS, Medium 64.6 FPS, High 48.8 FPS, and Ultra 42.6 FPS. At 3840x2160, the results are: Low 59.9 FPS, Medium 44.3 FPS, High 35.6 FPS, and Ultra 34.3 FPS. The highest frame rate across all configurations is 101.7 FPS at 1080p Low, while the lowest is 34.3 FPS at 4K Ultra. For a flight simulator, where smoothness is critical for immersion, the 4K results are marginal: only Low settings exceed 60 FPS (59.9 FPS, just below), and High and Ultra fall below 40 FPS. At 1440p, Low and Medium are playable (80.9 and 64.6 FPS), but High and Ultra dip to 48.8 and 42.6 FPS, which may be acceptable for slower-paced simulation but not ideal. At 1080p, all settings are above 57 FPS, with Low and Medium providing excellent fluidity. The data shows that the combo is best suited for 1080p gaming, with 1440p viable at lower settings, and 4K only feasible at Low settings. The gap between Low and Ultra at each resolution is substantial: at 1080p, the difference is 42.9 FPS (101.7 vs 58.8); at 1440p, it is 38.3 FPS (80.9 vs 42.6); at 4K, it is 25.6 FPS (59.9 vs 34.3). This narrowing gap at higher resolutions further confirms the GPU-bound nature of the workload.

How This Combo Ranks

The combo ranks 1235th out of 1795 tested combinations, placing it in the lower third of the database. This rank is notably lower than what the individual component percentiles might suggest. The CPU is at the 82nd percentile, and the GPU is at the 63rd percentile, yet the combined rank corresponds to roughly the 31st percentile (since 560 combos are worse). This discrepancy indicates that Microsoft Flight Simulator is a demanding title that punishes the GPU's mid-range capabilities. The CPU's strong performance (Cinebench R23 multicore 20851, Passmark multithread 24530) is not enough to compensate for the GPU's limitations at higher resolutions. The rank suggests that many other CPU-GPU combinations, even those with weaker CPUs, achieve better frame rates in this specific game due to more powerful GPUs. The RX 7600's nearest GPU rivals in synthetic benchmarks—the RX 7600 XT (0.6% higher), RX 460 (0.8% higher), RTX 3070 Mobile (-1.3% lower), and Arc B570 (-1.5% lower)—all have similar average scores, but in-game performance can vary significantly. The combo's rank of 1235 indicates that it falls behind a majority of tested systems, likely because the game's heavy reliance on GPU rendering at high resolutions exposes the RX 7600's 8 GB VRAM and 128-bit memory bus. For users targeting 1080p, the combo is adequate, but for 1440p or 4K, the data suggests that a more powerful GPU would be necessary to achieve higher frame rates. The CPU, however, provides a solid foundation, and its high percentile ensures that it will not be a bottleneck in most scenarios. Overall, the combo is a balanced 1080p solution that struggles at higher resolutions, as reflected in its lower-third ranking.