Microsoft Flight Simulator

CPU Role — cores, clocks, and how they relate to this game's results

The AMD Ryzen 7 7800X3D is an 8-core, 16-thread processor built on the Zen 4 Raphael architecture, using TSMC's 5 nm process. It operates with a base clock of 4.20 GHz and a boost clock of 5.00 GHz, drawing a 120 W TDP. Its cache hierarchy is notable: 64 KB of L1 per core, 1 MB of L2 per core, and a large 96 MB shared L3 cache. This processor sits on the AMD Socket AM5 platform, supports dual-channel DDR5 memory with a bandwidth of 83.2 GB/s, and includes 24 PCIe Gen 5 lanes.

In Microsoft Flight Simulator, the CPU's workload is substantial. The game must simulate weather, terrain, aircraft systems, and AI traffic simultaneously. Benchmark data shows this processor performs strongly in threaded workloads: it scores 7,980 in 3DMark 16-thread tests and 7,967 at max threads, while the 8-thread score is 6,539. Single-thread performance is 959 in 3DMark single-thread, which is adequate for the game's simulation logic that often runs on a few primary threads. The Cinebench R23 multi-core score of 29,149 and single-core score of 4,115 further confirm balanced throughput. The L3 cache is particularly relevant for flight simulators, which frequently stream large scenery and mesh data; the 96 MB shared cache can reduce memory latency for repeated terrain access patterns.

Comparing to its nearest rivals, the 7800X3D posts an average benchmark score of 31,580. The Intel Core i7-12700F trails by 0.1% with 31,543, making the two effectively identical in aggregate CPU performance. The AMD Ryzen 9 5980HX is 0.3% behind at 31,495, while the AMD Ryzen 7 8700G and Ryzen 7 7745HX are each 0.6% behind at 31,407 and 31,402, respectively. These deltas are within noise, meaning the 7800X3D does not dominate its immediate competition in raw synthetic benchmarks. However, the measured frame rates in this game will show whether that synthetic parity translates into real-world flight simulation performance.

FAQ

Q: What is the average FPS at 1080p with Ultra settings for this CPU-GPU combo?

A: The measured average frame rate at 1920x1080 with Ultra settings is 80 FPS. This is the lowest of the four settings presets at that resolution, showing that Ultra demands significant graphical resources.

Q: How much faster is the 7800X3D compared to its closest CPU rival in synthetic benchmarks?

A: The 7800X3D's average benchmark score is 31,580, which is 0.1% higher than the Intel Core i7-12700F's 31,543. This translates to a negligible performance advantage in aggregate CPU tests.

Q: What is the GPU's percentile ranking among all tested graphics cards?

A: The NVIDIA GeForce RTX 3070 Ti ranks in the 74th percentile among all GPUs. Its average benchmark score is 30,849, placing it near the AMD Radeon RX 6700, which is 0.8% higher, and the NVIDIA Quadro M5000, which is 0.9% higher.

Q: Does the CPU or GPU become the limiting factor at 4K resolution?

A: At 3840x2160, the frame rate drops from 85.7 FPS on Low settings to 48.1 FPS on Ultra. This 43.9% reduction across settings indicates the GPU is heavily taxed at 4K, as the CPU's role becomes less prominent when pixel throughput dominates.

Q: What is the combo's rank among all tested CPU-GPU combinations in this game?

A: This combo ranks 680th out of 1,795 tested combinations, placing it in the upper 38% of all configurations. This position reflects solid but not elite performance in Microsoft Flight Simulator.

Q: Which settings preset at 1440p provides the highest average FPS?

A: At 2560x1440, the Low preset achieves 116.4 FPS, which is the highest measured value. The Medium preset follows at 87.6 FPS, then High at 67.4 FPS, and Ultra at 65.3 FPS.

Resolution Scaling — how FPS drops from 1080p to 4K and what it says about the limiting component

Examining the measured frame rates across resolutions reveals a clear pattern of GPU-bound scaling. At 1080p with Low settings, the combo achieves 142.2 FPS. Moving to 1440p Low drops that to 116.4 FPS, an 18.1% reduction. At 4K Low, the frame rate falls further to 85.7 FPS, which is 39.7% lower than the 1440p figure and 60.4% lower than 1080p. This steep decline with increasing pixel count is the signature of a GPU-limited scenario; the RTX 3070 Ti's 8 GB of GDDR6X memory and 608.3 GB/s bandwidth are being saturated.

The same trend holds for Medium settings. At 1080p, the average is 110.2 FPS. At 1440p, it drops to 87.6 FPS (a 20.5% decrease), and at 4K, it reaches 63.1 FPS (a 28.0% decrease from 1440p). The High preset shows 84.9 FPS at 1080p, 67.4 FPS at 1440p (a 20.6% drop), and 48.9 FPS at 4K (a 27.4% drop from 1440p). Ultra settings follow suit: 80 FPS at 1080p, 65.3 FPS at 1440p (an 18.4% drop), and 48.1 FPS at 4K (a 26.3% drop from 1440p).

The consistent percentage drops across all settings presets—roughly 18-21% from 1080p to 1440p, then 26-40% from 1440p to 4K—indicate that the GPU is the primary bottleneck. If the CPU were the limiting factor, the frame rate would remain relatively flat as resolution increases, because the simulation workload would stay constant while only pixel processing scaled up. Instead, the data shows that each resolution step imposes a significant performance penalty, which is expected when the RTX 3070 Ti is tasked with rendering more pixels. The CPU's strong multi-threaded scores (e.g., 29,149 in Cinebench R23) are sufficient to feed the GPU even at 4K, but the GPU's compute capacity—21.75 TFLOPS FP32—becomes the ceiling.

How This Combo Ranks — use comboRankInGame vs other tested combos

This specific pairing of the AMD Ryzen 7 7800X3D with the NVIDIA GeForce RTX 3070 Ti achieves a rank of 680 out of 1,795 tested combinations in Microsoft Flight Simulator. This places the combo in the 62nd percentile, meaning 62% of all tested configurations perform worse, and 38% perform better. The rank reflects a mid-to-upper tier standing, not a top-tier position.

The CPU's percentile versus all CPUs is 87, indicating it outperforms 87% of processors. The GPU's percentile versus all GPUs is 74, meaning it beats 74% of graphics cards. The gap between these two percentiles—13 points—suggests the GPU is the weaker link in this pairing. A higher-ranked GPU would likely push the combo further up the list, whereas the CPU has headroom to support more powerful graphics hardware.

Given the CPU's synthetic scores, the 7800X3D is not the limiting factor. Its average benchmark score of 31,580 is only 0.1% above the i7-12700F and 0.6% above the Ryzen 7 8700G, yet all these CPUs would likely produce similar frame rates in this game if paired with the same GPU. The RTX 3070 Ti, with an average score of 30,849 and ranking 74th percentile, is the component that determines the combo's position. The rank of 680 suggests that many other combos with similar or better GPUs outperform this one, while combos with weaker GPUs fall behind.

Settings Recommendations — which preset gives the best experience per the measured rows

For each resolution, the choice of settings involves a trade-off between visual fidelity and frame rate. At 1080p, the Low preset delivers 142.2 FPS, which is exceptionally smooth for a flight simulator. Medium reduces that to 110.2 FPS (a 22.5% drop), High to 84.9 FPS (a 40.3% drop from Low), and Ultra to 80 FPS (a 43.7% drop from Low). Given that flight simulators benefit from high frame rates for smooth camera panning, the Medium preset at 110.2 FPS offers a strong balance: it is 77.5% of the Low preset's speed while providing improved visual detail over Low.

At 1440p, Low hits 116.4 FPS, Medium 87.6 FPS, High 67.4 FPS, and Ultra 65.3 FPS. The Medium preset here is the best compromise, maintaining nearly 88 FPS while avoiding the steep drop seen at High and Ultra. The gap between High and Ultra is small—only 2.1 FPS—so Ultra offers marginal visual gains at a negligible cost, but Medium is safer for consistent frame pacing.

At 4K, the situation changes. Low yields 85.7 FPS, Medium 63.1 FPS, High 48.9 FPS, and Ultra 48.1 FPS. Here, Medium is the recommended setting because it stays above 60 FPS, which is a common target for playable performance. High and Ultra both dip below 50 FPS, which can feel stuttery in a simulator where smoothness is critical. Low, at 85.7 FPS, is also viable but sacrifices too much visual quality for a modest gain. Therefore, the data supports Medium as the optimal preset at 4K, Medium again at 1440p, and Medium at 1080p for the best balance of frame rate and graphical fidelity.

Measured FPS Breakdown — resolution by resolution, settings by settings, exact numbers

The measured average frame rates are as follows, organized by resolution and settings preset.

At 1920x1080:

• Low: 142.2 FPS
• Medium: 110.2 FPS
• High: 84.9 FPS
• Ultra: 80 FPS

At 2560x1440:

• Low: 116.4 FPS
• Medium: 87.6 FPS
• High: 67.4 FPS
• Ultra: 65.3 FPS

At 3840x2160:

• Low: 85.7 FPS
• Medium: 63.1 FPS
• High: 48.9 FPS
• Ultra: 48.1 FPS

The 1080p Low result of 142.2 FPS is the highest measured value across all configurations, indicating that the combo can easily exceed 140 FPS when graphical demands are minimal. The 4K Ultra result of 48.1 FPS is the lowest, showing that the most demanding settings at the highest resolution cut performance by 66.2% compared to the best case. The transition from Low to Ultra at each resolution follows a consistent pattern: at 1080p, Ultra is 43.7% slower than Low; at 1440p, it is 43.9% slower; and at 4K, it is 43.9% slower. This uniformity confirms that the settings presets scale predictably regardless of resolution.

When comparing resolutions at the same settings, the 4K performance is consistently about 40-45% lower than 1080p. For example, at High settings, 1080p yields 84.9 FPS, 1440p yields 67.4 FPS (a 20.6% drop), and 4K yields 48.9 FPS (a 42.4% drop from 1080p). At Medium, the drops are 20.5% from 1080p to 1440p and 42.7% from 1080p to 4K. This data reinforces the GPU-bound analysis: the RTX 3070 Ti's performance scales predictably with pixel count, and the CPU's 8 cores and 16 threads are sufficient to avoid becoming a bottleneck at any tested configuration.