Microsoft Flight Simulator

The AMD Ryzen 7 5700X3D and NVIDIA GeForce RTX 3070 combination in Microsoft Flight Simulator demonstrates a clear and predictable performance curve, with the GPU emerging as the primary bottleneck at higher resolutions while the CPU’s strengths become more apparent at lower settings. The data shows a robust pairing capable of smooth gameplay at mainstream resolutions, but it requires careful settings management to maintain high frame rates at 4K.

Resolution Scaling

The frame rate drop from 1080p to 4K is steep and consistent across all settings, indicating that the RTX 3070 is the limiting component as resolution increases. At Low settings, the average FPS falls from 136.4 at 1920x1080 to 105.8 at 2560x1440, a reduction of 30.6 FPS, and then to 76.6 at 3840x2160, a further drop of 29.2 FPS. This scaling pattern shows a nearly linear relationship with pixel count, which is a hallmark of GPU-bound workloads.

At Ultra settings, the same trend holds but with lower absolute values. The average FPS goes from 73.8 at 1080p to 59.7 at 1440p, and finally to 46.0 at 4K. The percentage drop from 1080p to 4K at Ultra is roughly 38%, compared to a 44% drop at Low settings. This suggests that at higher settings, the GPU is even more saturated, but the relative scaling remains similar.

The data reveals that at 4K, even the lowest settings only produce 76.6 FPS, while the highest settings fall to 46.0 FPS. This indicates a hard ceiling imposed by the RTX 3070's capabilities at this resolution. At 1440p, the range is more usable, spanning from 59.7 FPS at Ultra to 105.8 FPS at Low. The 1080p results are the most comfortable, with all settings exceeding 73 FPS, and Low reaching 136.4 FPS.

The limiting component is clearly the GPU at 4K, as the frame rate scales almost entirely with resolution and settings, with the CPU's role diminishing. However, the Ryzen 7 5700X3D’s 96 MB of shared L3 cache likely helps maintain the higher minimum frame rates at lower resolutions where the CPU has more headroom to feed the GPU.

CPU Role

The AMD Ryzen 7 5700X3D is a Zen 3 (Vermeer) architecture processor with 8 cores and 16 threads, running with a base clock of 3.00 GHz and a boost clock of 4.10 GHz. Its benchmark scores show strong multi-threaded performance, with a Cinebench R23 multi-core score of 22366 and a Geekbench multi-core score of 10108. The single-threaded scores are respectable, with a Cinebench R23 single-core score of 3157.

In Microsoft Flight Simulator, which is known for its complex world simulation and AI traffic calculations, the CPU's role is significant at lower resolutions and settings. At 1080p Low, the system achieves 136.4 FPS, which is 60.3 FPS higher than at 1080p Ultra (73.8 FPS). This gap is larger than at 4K, where the difference between Low and Ultra is only 30.6 FPS. This indicates that at 1080p, the CPU is better able to keep up with the GPU's demands, allowing the RTX 3070 to stretch its legs.

The CPU’s 8 cores and 16 threads, combined with its large 96 MB L3 cache, are well-suited for the game's multi-threaded workloads. The cache helps reduce latency when accessing frequently used data, which is critical for flight simulators that constantly load terrain and aircraft models. The processor's percentile rank against all CPUs is 82, placing it in the upper tier of processors tested.

The data suggests that the CPU is not the primary bottleneck at higher resolutions, as the FPS drops are more closely tied to resolution than to core count or clock speed. However, the CPU's strong multi-threaded scores, such as the PassMark multi-thread score of 26318, ensure that it can handle the game's background simulation tasks without causing frame drops.

GPU Role

The NVIDIA GeForce RTX 3070 is an Ampere-architecture GPU with 5888 shading units, 46 RT cores, and 184 tensor cores. It operates with a base clock of 1500 MHz and a boost clock of 1725 MHz, paired with 8 GB of GDDR6 memory on a 256-bit bus, providing 448.0 GB/s of bandwidth. Its PassMark G3D score is 22214, with a percentile rank of 72 against all GPUs.

The GPU’s role in Microsoft Flight Simulator is dominant, as evidenced by the resolution scaling data. At 4K, the GPU's memory bandwidth of 448.0 GB/s and 8 GB VRAM capacity are put to the test. The average FPS at 4K Ultra is 46.0, which is below the 60 FPS target that many users prefer. The 8 GB VRAM may also be a limiting factor at Ultra settings, as the game's high-resolution textures can consume significant memory.

The RTX 3070's performance relative to its nearest rivals shows it is competitive. Its average benchmark score of 28238 is 0.9% higher than the AMD Radeon RX 6600 XT and 1.0% higher than the NVIDIA GeForce GTX 980 Ti. However, it is 0.6% lower than the AMD FirePro S7150. This places the RTX 3070 in a solid mid-to-high tier position.

At 1080p, the GPU is less stressed, and the data shows it can deliver high frame rates. The jump from Low to Ultra at 1080p is 62.6 FPS, indicating that the GPU has enough headroom to handle higher settings without becoming the primary bottleneck. The GPU’s boost clock of 1725 MHz and its FP32 performance of 20.31 TFLOPS are sufficient for the game's rendering demands at lower resolutions.

FAQ

Q: What is the average FPS at 4K Ultra settings?

A: The average FPS at 3840x2160 with Ultra settings is 46.0 FPS.

Q: How does the CPU's L3 cache size affect performance?

A: The Ryzen 7 5700X3D has 96 MB of shared L3 cache, which helps reduce memory latency and is beneficial for the game's frequent data access patterns, contributing to strong multi-threaded performance.

Q: Is the RTX 3070's 8 GB VRAM sufficient for this game at high resolutions?

A: The data shows that at 4K Ultra, the average FPS drops to 46.0, suggesting the 8 GB VRAM and GPU bandwidth are limiting factors at this resolution.

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

A: At 2560x1440, the average FPS goes from 105.8 at Low to 59.7 at Ultra, a difference of 46.1 FPS.

Q: How does the CPU compare to its nearest rival, the Intel Core i7-1360P?

A: The AMD Ryzen 7 5700X3D has an average benchmark score of 24673, which is 0.2% higher than the Intel Core i7-1360P's score of 24627.

Q: What is the best resolution for maintaining 60+ FPS at High settings?

A: At 2560x1440 with High settings, the average FPS is 65.8, which is above 60, while at 3840x2160 with High settings, it drops to 44.6 FPS.

Measured FPS Breakdown

At 1920x1080, the RTX 3070 and Ryzen 7 5700X3D combo delivers strong performance across all settings. Low settings produce an average of 136.4 FPS, Medium produces 108.0 FPS, High produces 78.1 FPS, and Ultra produces 73.8 FPS. The scaling from Low to Ultra is a 62.6 FPS drop, showing that the GPU is capable of handling high settings at this resolution without significant compromise.

Moving to 2560x1440, the frame rates drop as expected. Low settings average 105.8 FPS, Medium averages 83.5 FPS, High averages 65.8 FPS, and Ultra averages 59.7 FPS. The gap between Low and Ultra shrinks to 46.1 FPS, indicating that the GPU is starting to become more of a limiting factor.

At 3840x2160, the performance becomes more constrained. Low settings average 76.6 FPS, Medium averages 59.2 FPS, High averages 44.6 FPS, and Ultra averages 46.0 FPS. Interestingly, High and Ultra produce nearly identical results, with Ultra actually being 1.4 FPS higher than High. This suggests that the game's engine may be hitting a bottleneck that is not purely based on settings, or that the GPU is saturated at this resolution.

The data shows that at 4K, the difference between Medium and Low is 17.4 FPS, while the difference between Ultra and Medium is 13.2 FPS. This indicates that the GPU's performance at 4K is tightly clustered, with all settings falling within a 30.6 FPS range.

Settings Recommendations

For users targeting a smooth 60 FPS experience, the data indicates that 2560x1440 with Medium or High settings is the sweet spot. At 1440p Medium, the average FPS is 83.5, providing headroom for demanding scenes. At High settings, the average is 65.8 FPS, which is still above 60 but offers better visual quality. Alternatively, 1920x1080 with Ultra settings yields 73.8 FPS, which is a good option for those who prioritize visual fidelity over resolution.

At 4K, the results are more challenging. The only setting that achieves above 60 FPS is Low, with an average of 76.6 FPS. Medium settings produce 59.2 FPS, which is just barely below 60. For a playable experience at 4K, Medium settings are the highest recommended, as High and Ultra both drop to the mid-40s, which may be too low for smooth gameplay.

The best experience per the measured rows is at 2560x1440 with Medium settings, as it provides a high average FPS of 83.5 while still offering a significant visual upgrade over Low settings. For those who can tolerate lower frame rates, 4K Medium at 59.2 FPS is a viable option. The data suggests avoiding 4K High and Ultra, as the performance gain over Medium is minimal or nonexistent, while the frame rate drops significantly.

How This Combo Ranks

The AMD Ryzen 7 5700X3D and NVIDIA GeForce RTX 3070 combination ranks 825 out of 1795 tested combos in Microsoft Flight Simulator. This places it in the 46th percentile, meaning it outperforms roughly 46% of all tested systems. While this is a mid-pack ranking, it is important to consider the specific strengths of this pairing.

The CPU's percentile rank of 82 against all CPUs is significantly higher than the GPU's percentile rank of 72 against all GPUs. This suggests that the processor is a stronger component relative to its peers, while the GPU is slightly below average in its class. The combo's overall rank of 825 is likely dragged down by the GPU's limitations at higher resolutions, which are a key factor in this game's performance.

Compared to other combos, this system is best suited for 1080p and 1440p gaming, where the CPU's 3D V-Cache and the GPU's 8 GB of VRAM are sufficient. At 4K, the rank would likely be lower due to the GPU's performance ceiling. The data shows that the system is competitive, but not top-tier, and the ranking reflects a balanced setup that excels at mainstream resolutions rather than extreme 4K gaming.