Microsoft Flight Simulator

# Microsoft Flight Simulator — AMD Ryzen 7 9850X3D + AMD Radeon RX 6800 XT

This combination of AMD's 8-core Ryzen 7 9850X3D and the Radeon RX 6800 XT delivers a playable but demanding experience in Microsoft Flight Simulator, with frame rates that scale predictably across resolutions and settings. The data shows a system that can handle 1080p and 1440p comfortably at most quality levels, while 4K requires compromises on settings to maintain smooth performance. The CPU's strong single-threaded performance and the GPU's substantial memory bandwidth both contribute, but the balance shifts clearly toward the graphics card as resolution increases.

Resolution Scaling

The measured FPS data reveals a clear and consistent pattern of performance degradation as resolution climbs from 1920x1080 to 3840x2160. At Low settings, the average frame rate drops from 153 FPS at 1080p to 123 FPS at 1440p (a 19.6% decrease), then further to 91 FPS at 4K (a 26% decrease from 1440p). This scaling suggests that at Low settings, the system is primarily limited by CPU throughput at lower resolutions, with the GPU taking over as the bottleneck at 4K.

At Medium settings, the pattern is similar but with slightly steeper drops: 119 FPS at 1080p, 96 FPS at 1440p (19.3% drop), and 71 FPS at 4K (26% drop from 1440p). The minimum FPS figures at Medium settings—101 FPS at 1080p, 82 FPS at 1440p, and 60 FPS at 4K—show that even the worst-case frame times remain playable at 1080p and 1440p, while 4K dips right to the edge of smoothness.

High settings produce 90 FPS at 1080p, 72 FPS at 1440p (20% drop), and 53 FPS at 4K (26.4% drop). The percentage drops are remarkably consistent across settings, indicating that resolution scaling is governed by the GPU's fill rate and memory bandwidth rather than CPU limitations. Ultra settings follow suit: 85 FPS at 1080p, 69 FPS at 1440p (18.8% drop), and 51 FPS at 4K (26.1% drop).

The pattern is telling: the gap between 1080p and 1440p is consistently around 19-20%, while the gap between 1440p and 4K is consistently around 26%. This nonlinear scaling points to the RX 6800 XT's 512.0 GB/s memory bandwidth and 288.0 GPixel/s pixel rate becoming increasingly strained as pixel count quadruples from 1080p to 4K. At 4K Ultra, the system delivers only 51 FPS average, which is below the 60 FPS threshold many simmers consider minimum for smooth flight.

FAQ

Q: Can this system run Microsoft Flight Simulator at 4K smoothly?

A: At 4K Medium, the average FPS is 71 with a minimum of 60 FPS, which is acceptable. At 4K High, the average drops to 53 FPS, and at 4K Ultra it falls to 51 FPS—both below the 60 FPS mark.

Q: How does the CPU affect performance at lower resolutions?

A: At 1080p Low, the system reaches 153 FPS average, which is 68% higher than 4K Low's 91 FPS. This large gap suggests the CPU (with its 8 cores, 16 threads, and 4.70 GHz base clock) is capable of feeding the GPU at lower resolutions, but the GPU becomes the limiting factor as resolution rises.

Q: What is the best settings compromise for 1440p?

A: At 1440p Medium, the system delivers 96 FPS average with 82 FPS minimum, which is well above the 60 FPS threshold. 1440p High yields 72 FPS average, still playable, while 1440p Ultra drops to 69 FPS.

Q: How does the RX 6800 XT's 16 GB VRAM factor into results?

A: The 16 GB GDDR6 memory with 512.0 GB/s bandwidth supports high-resolution textures without VRAM exhaustion. The consistent FPS drops between resolutions suggest memory bandwidth, not capacity, is the limiting factor.

Q: Is the Ryzen 7 9850X3D holding back the GPU in this game?

A: Benchmark results indicate the CPU's single-thread score of 2228 in Cinebench R23 and 4704 in Passmark single-thread are strong, and the system reaches 153 FPS at 1080p Low. This suggests the CPU is not a major bottleneck at any tested resolution.

Q: How many combinations does this setup rank against?

A: This combo ranks 882nd out of 2996 tested combinations, placing it in the top 30% of all tested systems for Microsoft Flight Simulator.

CPU Role

The AMD Ryzen 7 9850X3D brings 8 cores and 16 threads on the Zen 5 architecture, built on a 4 nm process at TSMC. Its base clock of 4.70 GHz and boost clock of 5.60 GHz are high for a desktop processor, and the 96 MB of shared L3 cache is substantial for a non-3D V-Cache part. The CPU's 120 W TDP and Socket AM5 compatibility position it as a mainstream high-end option.

In Microsoft Flight Simulator, the CPU's role is evident from the scaling behavior. At 1080p Low, the system produces 153 FPS, which is more than double the 4K Ultra result of 51 FPS. This wide spread indicates that at lower resolutions, the CPU can push frame rates well beyond what the GPU can sustain at higher pixel counts. The data shows the CPU is not a limiting factor even at 1080p, as the system reaches frame rates that approach the refresh rate of most monitors.

The CPU's benchmark scores provide context for its performance. Its Cinebench R23 multicore score of 22807 and single-core score of 2228 are strong, and its Passmark multithread score of 41318 with a single-thread score of 4704 indicate balanced throughput. The data compression score of 474501 and floating-point math score of 81998 suggest the CPU handles complex simulations well, which is relevant for a flight simulator that must compute physics, weather, and terrain simultaneously.

Compared to its nearest rivals, the Ryzen 7 9850X3D's average benchmark score of 58386 is nearly identical to the Intel Xeon Platinum 8260M (58323, 0.1% higher) and the Intel Core i9-14900 (58115, 0.5% higher). It trails the Intel Xeon w5-2545 (58504) by 0.2% and the AMD Ryzen AI 9 HX 470 (58826) by 0.7%. These small deltas indicate that the CPU's performance is competitive with these alternatives, though none of these rivals are specifically optimized for gaming workloads.

How This Combo Ranks

The combination of the Ryzen 7 9850X3D and RX 6800 XT ranks 882nd out of 2996 tested combinations in Microsoft Flight Simulator. This places the setup in the 70.6th percentile of all tested systems—meaning it outperforms roughly 70% of combinations tested for this game.

This ranking is notable given the hardware involved. The RX 6800 XT has a percentile rank of 85 among all GPUs, and the Ryzen 7 9850X3D has a percentile rank of 92 among all CPUs. The fact that the combo ranks in the 70th percentile suggests that Microsoft Flight Simulator's demanding nature at high resolutions pulls the overall ranking down relative to the individual component percentiles.

The gap between component percentiles and combo ranking can be attributed to the game's heavy reliance on GPU throughput at higher resolutions. At 4K Ultra, the system manages only 51 FPS, which is below the 60 FPS target many users prefer. At 1080p Low, however, the system achieves 153 FPS, which would place it in a much higher percentile for that specific configuration.

The ranking of 882 out of 2996 also reflects the age of the RX 6800 XT, which was released in 2020 and is now marked as end-of-life. Newer GPUs with higher memory bandwidth and more compute units would likely push this ranking higher, but the data is specific to this combination.

GPU Role

The AMD Radeon RX 6800 XT features 4608 shading units, 288 texture mapping units, and 128 raster operation units, built on the RDNA 2.0 architecture with a 7 nm process. Its base clock of 1825 MHz boosts to 2250 MHz, with a game clock of 2015 MHz. The 16 GB of GDDR6 memory on a 256-bit bus provides 512.0 GB/s of bandwidth.

The GPU's benchmark scores illustrate its capabilities: a Passmark G3D score of 24980 and a 3DMark Steel Nomad DX12 score of 3689. Its Geekbench scores—181337 in Metal, 171304 in OpenCL, and 136875 in Vulkan—show strong compute performance. The GPU's percentile rank of 85 among all GPUs reflects its position as a high-end part, though it is now a previous-generation product.

In Microsoft Flight Simulator, the RX 6800 XT's performance is characterized by the resolution scaling described earlier. The GPU's 20.74 TFLOPS of FP32 compute and 648.0 GTexel/s texture rate are sufficient for 1080p and 1440p at all settings, but the 4K results show strain. The pixel rate of 288.0 GPixel/s means the GPU can fill 288 million pixels per second, which is a limiting factor at 3840x2160 (8.3 million pixels per frame).

The GPU's nearest rivals provide context: the NVIDIA RTX A1000 Mobile scores 47743 (1.5% lower), while the Intel Arc A550M scores 49737 (2.5% higher). The NVIDIA GeForce RTX 5070 Ti scores 49957 (3% higher), and the AMD Radeon RX Vega 64 scores 50001 (3% higher). These small deltas indicate the RX 6800 XT remains competitive with these alternatives in synthetic benchmarks, though game-specific performance may vary.

Measured FPS Breakdown

The measured FPS data covers four resolutions and four settings levels, providing a complete picture of performance.

At 1920x1080, the system delivers its best results. Low settings produce 153 FPS average, Medium settings 119 FPS (with a minimum of 101 FPS and maximum of 137 FPS), High settings 90 FPS, and Ultra settings 85 FPS. The spread from Low to Ultra is 68 FPS, representing a 44.4% reduction from the lowest to highest settings. The minimum FPS at Medium settings (101 FPS) confirms that even in demanding scenes, the system stays well above 60 FPS.

At 2560x1440, performance drops but remains strong. Low settings yield 123 FPS, Medium 96 FPS (minimum 82 FPS, maximum 110 FPS), High 72 FPS, and Ultra 69 FPS. The drop from Low to Ultra is 54 FPS, a 43.9% reduction. The minimum FPS at Medium (82 FPS) is still comfortably above 60 FPS, indicating playable performance even in heavy scenarios.

At 3840x2160, the system begins to struggle. Low settings produce 91 FPS, Medium 71 FPS (minimum 60 FPS, maximum 81 FPS), High 53 FPS, and Ultra 51 FPS. The reduction from Low to Ultra is 40 FPS, a 44% decrease. The minimum FPS at Medium settings (60 FPS) is right at the edge of smoothness, while High and Ultra settings fall below the 60 FPS threshold.

The consistency of the percentage drop from Low to Ultra (approximately 44% across all resolutions) indicates that settings scaling is uniform, likely due to the GPU's compute and memory resources being taxed proportionally. The 4K results at High and Ultra (53 FPS and 51 FPS) suggest that users targeting 4K should stick to Medium settings or accept frame rates below 60 FPS. At 1080p and 1440p, all settings levels are playable, with the only caveat being that 1440p Ultra's 69 FPS average leaves little headroom for demanding scenes.