Microsoft Flight Simulator

Microsoft Flight Simulator with the AMD Ryzen 5 5600G and AMD Radeon RX 6650 XT presents a clear performance hierarchy: the combination is entirely GPU-bound at 4K, but transitions to a more balanced profile at 1440p and 1080p, where the CPU's capabilities become increasingly relevant. The measured data shows that this pairing delivers playable frame rates at 1440p High settings, while 4K Ultra remains a challenge, demanding compromises in visual fidelity to maintain smooth operation.

Resolution Scaling

The frame rate scaling from 1080p to 4K reveals a classic GPU-limited scenario, though with notable nuance. At 1080p Low settings, the system produces an average of 176 FPS, which drops to 112 FPS at 1440p and further to 59 FPS at 4K. This represents a 33% reduction moving from 1080p to 1440p, and a 47% reduction from 1440p to 4K. The steep decline at 4K, where the average falls to just 35 FPS on High settings, indicates the RX 6650 XT’s 8 GB memory buffer and 128-bit bus are being saturated by the increased pixel count and texture demands.

However, the scaling pattern changes when examining lower settings. At Low settings, the 1080p to 1440p drop is 36% (176 to 112 FPS), but the 1440p to 4K drop is steeper at 47% (112 to 59 FPS). This suggests that at 4K, even on Low, the GPU’s compute throughput becomes the limiting factor, as the pixel fill rate of 168.6 GPixel/s is stretched thin. At 1080p and 1440p with higher settings, the scaling is more linear, indicating that the CPU can keep up with the GPU’s demands until the resolution pushes the graphics card to its limits.

The data shows that the transition from Medium to High at 1440p costs 16 FPS (82 to 66), while the jump from High to Ultra costs 14 FPS (66 to 52). At 4K, these same transitions cost 8 FPS (43 to 35) and 8 FPS (35 to 27) respectively. This compression of frame rate differences at 4K confirms that the GPU is the primary bottleneck at that resolution, as the rendering pipeline becomes saturated regardless of the quality preset.

FAQ

Q: What is the best resolution for this CPU-GPU combination in Microsoft Flight Simulator?

A: The measured data indicates that 1440p High settings provide the best balance, yielding an average of 66 FPS. This is comfortably above the 60 FPS threshold for smooth gameplay, while 4K High drops to 35 FPS, which may feel stuttery.

Q: How does the RX 6650 XT’s 8 GB VRAM affect 4K performance?

A: At 4K Ultra, the average FPS falls to 27, and even on Low settings it only reaches 59 FPS. The 8 GB GDDR6 memory with 280.3 GB/s bandwidth appears insufficient for the high-resolution textures in this simulator, as the frame rate scaling from 1440p to 4K is disproportionately steep.

Q: Is the Ryzen 5 5600G a bottleneck at 1080p?

A: At 1080p Low, the system achieves 176 FPS, which is high enough that the CPU’s single-thread performance (3dmark_single_thread score of 872) becomes relevant. However, at 1080p Ultra, the average drops to 81 FPS, suggesting the GPU is still the primary constraint.

Q: What settings preset provides the most consistent frame times?

A: The Medium preset at 1440p shows a minimum of 70 FPS and maximum of 94 FPS, with an average of 82 FPS. This range of 24 FPS is tighter than the High preset at the same resolution, where the minimum is not listed but the average is 66 FPS.

Q: How does this combination rank among all tested systems?

A: The combo ranks 1447 out of 3714 tested combinations, placing it in the 39th percentile. This is consistent with a mid-range pairing, as the CPU scores in the 74th percentile among all CPUs and the GPU in the 65th percentile among all GPUs.

Q: Can this system handle 4K at any playable frame rate?

A: Yes, but only on Low settings, where it achieves 59 FPS. Medium settings drop to 43 FPS, and High drops further to 35 FPS, making Low the only viable 4K preset for near-60 FPS gameplay.

GPU Role

The AMD Radeon RX 6650 XT is the dominant component in this pairing, particularly at higher resolutions. Its boost clock of 2635 MHz and game clock of 2410 MHz provide the compute throughput necessary for the simulator’s complex scenery rendering. The GPU’s 2048 shading units and 64 ROPs deliver a pixel rate of 168.6 GPixel/s, which becomes the limiting factor at 4K.

The 8 GB GDDR6 memory on a 128-bit bus provides 280.3 GB/s of bandwidth. This bandwidth is adequate for 1080p and 1440p, but the data shows a clear degradation at 4K. The average frame rate at 4K High is 35 FPS, which is nearly half the 66 FPS achieved at 1440p High. This 47% performance drop from 1440p to 4K is more severe than the 37% drop from 1080p to 1440p, indicating that the memory subsystem is being overwhelmed.

The GPU’s benchmark scores support this analysis. With a passmark_g3d score of 17166 and a 3dmark_steel_nomad_dx12 score of 1859, the card sits in the 65th percentile of all GPUs. Its nearest rivals include the NVIDIA Tesla K40m (deltaPct -0.6) and AMD FirePro W7000 (deltaPct -0.7), which are professional-grade cards with different driver optimizations. The RX 6650 XT’s RDNA 2.0 architecture with 32 ray-tracing cores provides DirectX 12 Ultimate support, which is relevant for the simulator’s advanced lighting effects, though the measured data shows that these features come at a significant frame rate cost at 4K.

Measured FPS Breakdown

At 1080p, the system demonstrates strong performance across all settings. Low settings produce an average of 176 FPS, which is more than sufficient for any display. Medium settings reduce this to 129 FPS, with a minimum of 110 FPS and maximum of 148 FPS, indicating good frame time consistency. High settings average 104 FPS, while Ultra drops to 81 FPS. This progression shows a 54% reduction from Low to Ultra, with the largest single-step drop occurring between Medium and High (25 FPS).

At 1440p, the performance scales down proportionally. Low settings still deliver 112 FPS, which is highly playable. Medium settings average 82 FPS with a range of 70 to 94 FPS, providing a smooth experience. High settings drop to 66 FPS, which remains acceptable for most users. Ultra settings fall to 52 FPS, which is borderline for smooth gameplay, especially in dense urban areas or during weather events.

At 4K, the GPU’s limitations become apparent. Low settings manage 59 FPS, which is just at the threshold of playability. Medium settings reduce this to 43 FPS, with a minimum of 37 FPS and maximum of 50 FPS. High settings average 35 FPS, and Ultra drops to 27 FPS. The 4K Ultra result of 27 FPS is below the 30 FPS threshold that many consider the minimum for a playable experience, making this preset impractical for this combination.

Settings Recommendations

The optimal experience for this hardware pairing is 1440p with the Medium preset. This configuration achieves an average of 82 FPS, with a minimum of 70 FPS that ensures consistent frame delivery. The 70 FPS minimum is particularly important for a flight simulator, where smooth panning and camera movement are essential for immersion. The Medium preset at 1440p offers a 24 FPS range between minimum and maximum, indicating stable performance.

For users prioritizing visual quality over raw frame rate, 1440p High at 66 FPS is a viable alternative. This preset provides better texture detail and shadow quality while maintaining an average above 60 FPS. However, the lack of a recorded minimum FPS for this preset suggests potential dips that could be noticeable during complex scenes.

At 1080p, the High preset at 104 FPS is recommended for users with high-refresh-rate displays, as it provides a substantial margin above 60 FPS. The Ultra preset at 81 FPS is also playable and offers the best visual fidelity at this resolution, but the marginal improvement over High may not justify the 23 FPS loss.

For 4K, only the Low preset at 59 FPS is recommended for playable performance. The Medium preset at 43 FPS may be acceptable for less action-oriented flying, but the High and Ultra presets fall below 40 FPS and should be avoided. Users seeking 4K at higher settings would need a more powerful GPU, as the RX 6650 XT’s 8 GB memory and 128-bit bus are insufficient for this resolution’s demands.

CPU Role

The AMD Ryzen 5 5600G plays a supporting role in this combination, providing adequate throughput for the simulator’s physics and AI calculations. With 6 cores and 12 threads based on the Zen 3 architecture, the CPU operates at a base clock of 3.90 GHz and boosts to 4.40 GHz. Its 16 MB L3 cache and dual-channel DDR4 memory support at 51.2 GB/s bandwidth ensure that the GPU receives data without significant bottlenecks.

The CPU’s benchmark results show a balanced profile. In Cinebench R23, it scores 10551 in multicore and 1409 in single-core, placing it in the 74th percentile of all CPUs. The 3dmark_single_thread score of 872 and 3dmark_max_threads score of 5455 indicate that the CPU can handle both lightly-threaded and heavily-threaded workloads. Its nearest rivals include the Intel Core i3-1220P (deltaPct 0.1) and AMD Ryzen 5 7530U (deltaPct -0.2), showing that it performs competitively with other mid-range processors.

The CPU’s influence on gaming performance is most evident at 1080p Low, where the system achieves 176 FPS. At this setting, the GPU is not fully utilized, allowing the CPU’s single-thread performance to become a factor. However, as resolution increases, the GPU becomes the bottleneck, and the CPU’s 12 threads are sufficient to feed the graphics card. The measured data shows no evidence of CPU-induced stuttering or frame drops, as the minimum FPS values at Medium settings are consistent across resolutions.

The Ryzen 5 5600G’s integrated Radeon Vega 7 graphics are irrelevant in this configuration, as the discrete RX 6650 XT handles all rendering. The CPU’s 65 W TDP and PCIe Gen 3 interface with 16 lanes provide adequate bandwidth for the GPU’s PCIe 4.0 x8 connection, though the Gen 3 link may slightly limit data transfer in bandwidth-intensive scenarios. Overall, the CPU provides a solid foundation for this GPU, with no significant bottleneck observed in the measured frame rates.