Microsoft Flight Simulator

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

The measured frame rates reveal a consistent and steep decline as resolution climbs, but the shape of that curve changes depending on the preset. At Low settings, the transition from 1920x1080 to 3840x2160 drops the average from 155.8 FPS to 94.8 FPS — a reduction of 61 FPS, or roughly 39% of the 1080p figure. That is a substantial hit, yet the 4K Low result remains above 90 FPS, suggesting the system still has headroom.

Moving to High settings tells a different story. The 1080p High average is 97.6 FPS, while 4K High falls to 53.9 FPS. The absolute drop is 43.7 FPS, but proportionally it is nearly identical to the Low curve. This pattern — where the percentage loss from 1080p to 4K stays in the same ballpark across presets — indicates that the RTX 3080 Ti is the primary scaling bottleneck. If the CPU were limiting, the gap between 1080p and 1440p would be much smaller, because the CPU workload per frame would not rise with pixel count. Instead, the data shows a near-linear relationship: at Medium, 1080p delivers 130.5 FPS, 1440p drops to 100.4 FPS, and 4K falls to 76.4 FPS. Each step up in resolution removes roughly 20-25% of the remaining frame rate.

The Ultra preset is the most demanding, and here the 4K result of 55.8 FPS is only 1.9 FPS above the 4K High figure. That tiny delta suggests that at 4K Ultra, the GPU is already saturated — additional settings headroom barely moves the needle. At 1440p Ultra, the 75.8 FPS average is 2.2 FPS below the 4K High result, reinforcing that the GPU is the binding constraint at higher resolutions. The implication is clear: for this flight simulator, the Ryzen 7 5700X3D has ample compute to feed the RTX 3080 Ti at 1080p and 1440p, but at 4K the GPU's shading and memory throughput become the decisive factor.

GPU Role — VRAM, clocks, and how they relate to this game's results

The RTX 3080 Ti carries 12 GB of GDDR6X memory on a 384-bit bus, yielding 912.4 GB/s of bandwidth. Flight simulators are notorious for loading large terrain textures and complex scenery, and the 12 GB capacity appears sufficient for the measured presets — there is no evidence of a VRAM ceiling causing stutters or min-FPS crashes in the data. The memory clock runs at 1188 MHz with 19 Gbps effective speed, which pairs with a base clock of 1365 MHz and a boost clock of 1665 MHz.

The GPU's compute resources are substantial: 10,240 shading units, 320 TMUs, and 112 ROPs. The pixel rate of 186.5 GPixel/s and texture rate of 532.8 GTexel/s explain why the card can push 155.8 FPS at 1080p Low — those rates are far above what a 1080p workload requires. The FP32 throughput of 34.10 TFLOPS is the same as FP16 (1:1 ratio), which matters for a simulator that may use mixed-precision effects. The 80 RT cores and 320 tensor cores are present but likely underutilized in this title, as the measured FPS deltas between High and Ultra (which often toggle ray-traced shadows or DLSS) are modest — 4K High at 53.9 FPS versus 4K Ultra at 55.8 FPS.

The GPU's 83rd percentile ranking among all GPUs places it just behind the RTX 3090 (deltaPct -0.5) and slightly ahead of the RTX 5070 (deltaPct -1.1). That positioning is consistent with the measured FPS: the 3080 Ti behaves like a top-tier card that still cannot hold 60 FPS at 4K Ultra in this simulator. The 350 W TDP and 750 W suggested PSU indicate the card is power-hungry, but the benchmark data does not show thermal throttling — the FPS figures are stable across resolutions.

How This Combo Ranks — use comboRankInGame vs other tested combos

This specific pairing of the Ryzen 7 5700X3D and RTX 3080 Ti achieves a combined rank of 464 out of 1,795 tested configurations in Microsoft Flight Simulator. That places it in the top 26% of all combos — a solid result, but not elite. The percentileVsAllCpus for the CPU is 82, and the GPU sits at 83, yet the combo rank (464/1795) is lower than those individual percentiles might suggest. This discrepancy hints that the game's engine rewards certain CPU-GPU pairings more than raw component strength alone.

The CPU's nearest rivals provide context. The 5700X3D scores 0.2% above the Intel Core i7-1360P and 0.3% above the AMD Ryzen 5 7600X3D in average benchmark score, while trailing the AMD Ryzen AI Max 385 by 0.6%. These are razor-thin margins, meaning the CPU is not the differentiator in this combo's ranking. The GPU's nearest rivals show a similar cluster: the RTX 3080 Ti is 0.5% behind the RTX 3090 and 1.1% behind the RTX 5070 in average score. Both components sit near the top of their respective performance bands, yet the combo rank of 464 suggests that other factors — possibly memory bandwidth or driver optimization — play a larger role in this simulator.

The data implies that while this combo is capable of high frame rates, it does not break into the top quartile of tested systems. The 1795-combo pool includes many configurations with newer GPUs or higher-core-count CPUs, and the 5700X3D's 8 cores and 16 threads are sufficient but not overwhelming for a flight sim that may scale with cache and memory latency rather than raw core count.

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

At 1920x1080, the full settings sweep shows a clear hierarchy. Low settings produce 155.8 FPS average, Medium drops to 130.5 FPS, High falls to 97.6 FPS, and Ultra bottoms out at 90.1 FPS. The gap between Low and Medium (25.3 FPS) is larger than the gap between High and Ultra (7.5 FPS), indicating diminishing returns from the highest preset. At 1080p, even Ultra exceeds 90 FPS, making this resolution comfortable for high-refresh monitors.

Moving to 2560x1440, the averages are 133.4 FPS (Low), 100.4 FPS (Medium), 77.6 FPS (High), and 75.8 FPS (Ultra). The Low-to-Medium delta at 1440p is 33 FPS, which is steeper than at 1080p, showing that the GPU is working harder. The High-to-Ultra delta narrows to just 1.8 FPS, suggesting that at 1440p, the Ultra preset adds visual features that cost almost nothing in frame rate — or that the GPU is already limited by other factors.

At 3840x2160, the results are 94.8 FPS (Low), 76.4 FPS (Medium), 53.9 FPS (High), and 55.8 FPS (Ultra). The most striking anomaly is that Ultra scores 1.9 FPS higher than High at 4K. This is a measured result, not an error — it could stem from dynamic resolution scaling or variable workload distribution in the simulator. The Low setting at 4K still delivers nearly 95 FPS, which means players on 4K panels can achieve smooth performance by sacrificing visual fidelity. The Medium preset at 4K (76.4 FPS) is the best balance for a 60 Hz display, while High and Ultra fall below the 60 FPS threshold.

FAQ — 4-6 Q&A pairs answerable from FACT PACK data

Q: What is the best resolution for a 60 Hz 4K display?

A: At 4K, the Medium preset delivers 76.4 FPS, which exceeds 60 FPS. The High preset drops to 53.9 FPS, so Medium is the highest setting that comfortably clears the 60 FPS bar at 3840x2160.

Q: How much faster is 1080p Low compared to 4K Ultra?

A: The 1080p Low average is 155.8 FPS, while 4K Ultra is 55.8 FPS. That is a 100 FPS difference, or roughly 2.8 times higher frame rate at the lower resolution and settings.

Q: Does the Ultra preset offer a meaningful FPS increase over High at 4K?

A: No. The measured 4K Ultra average is 55.8 FPS, which is 1.9 FPS higher than the 4K High average of 53.9 FPS. The difference is within the margin of measurement noise.

Q: What is the combo's rank among all tested configurations?

A: The Ryzen 7 5700X3D + RTX 3080 Ti combo ranks 464th out of 1,795 tested combos in Microsoft Flight Simulator, placing it in the top 26% of all systems.

Q: How does the CPU compare to its closest rival in average benchmark score?

A: The 5700X3D scores 0.2% higher than the Intel Core i7-1360P and 0.3% higher than the AMD Ryzen 5 7600X3D, but trails the AMD Ryzen AI Max 385 by 0.6%.

Q: Is the GPU the limiting factor at 4K?

A: Yes. The FPS drop from 1440p to 4K is significant across all presets (e.g., High falls from 77.6 to 53.9 FPS), while the CPU's single-thread performance (804 in 3dmark single-thread) is sufficient to feed the GPU at lower resolutions.

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

The Ryzen 7 5700X3D is an 8-core, 16-thread processor based on Zen 3 (Vermeer) architecture, built on a 7 nm TSMC process. Its base clock is 3.00 GHz with a boost clock of 4.10 GHz, and it features a large 96 MB shared L3 cache — a hallmark of the X3D series that is particularly beneficial for gaming workloads. The CPU's TDP is 105 W, and it supports DDR4 memory with dual-channel bandwidth of 51.2 GB/s.

Benchmark data shows a strong multi-threaded profile: Cinebench R23 multicore scores 22,366, while the single-core score is 3,157. The 3DMark 16-thread test yields 6,764, and the max-thread score is 6,755. The single-thread 3DMark result is 804, which is modest but adequate for a flight simulator that often relies on a main simulation thread. The PassMark multithread score of 26,318 and single-thread score of 2,970 place the CPU in the 82nd percentile overall.

In this game, the CPU's role appears secondary to the GPU at higher resolutions, but the data points to cache sensitivity. The 96 MB L3 cache is likely why the CPU keeps up with the RTX 3080 Ti at 1080p Low, where the GPU is not the bottleneck and the CPU must process more frames per second. The 1080p Low result of 155.8 FPS is impressive for a simulator, and it suggests the 5700X3D's cache helps avoid stutters when loading scenery. However, the CPU's nearest rivals (i7-1360P, Ryzen 5 7600X3D) are within 0.3% in average score, so the 5700X3D does not dominate its class. The 8 cores and 16 threads are enough for the simulator's multi-threaded rendering tasks, but the modest boost clock of 4.10 GHz means it will not outpace higher-clocked alternatives in single-thread-heavy scenes.

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

For a 1080p display, the data shows that even Ultra (90.1 FPS) clears 60 FPS with ease, while Low pushes 155.8 FPS for competitive or high-refresh play. The Medium preset at 130.5 FPS is a strong middle ground, offering a significant jump over Low without the visual compromises of the lowest settings. For 1080p, High at 97.6 FPS is the recommended sweet spot — it maintains a high frame rate while preserving most visual quality.

At 1440p, the recommendation shifts. The Ultra preset (75.8 FPS) and High preset (77.6 FPS) are nearly identical in performance, so players should choose Ultra for the extra visual features at no measurable frame-rate cost. The Medium preset (100.4 FPS) is ideal for those with 120 Hz or 144 Hz monitors, as it clears triple-digit frame rates. Low at 133.4 FPS is only useful for maximum smoothness at the expense of visual fidelity.

For 4K users, the choice is more constrained. The Medium preset (76.4 FPS) is the only option that consistently exceeds 60 FPS — Low (94.8 FPS) does as well, but at a severe visual penalty. The High (53.9 FPS) and Ultra (55.8 FPS) presets both fall below 60 FPS, and since Ultra performs slightly better than High at this resolution, there is no reason to select High over Ultra. The data thus recommends: 1080p High, 1440p Ultra, and 4K Medium as the best measured presets for each resolution, with the caveat that 4K users with 120 Hz displays will need to drop to Low to hit that target.