Microsoft Flight Simulator

Microsoft Flight Simulator is an exceptionally demanding title, and the combination of the Intel Core Ultra 5 135H and AMD Radeon 880M sits at the lower end of the performance spectrum. The measured data reveals a system that can run the simulator, but with significant compromises required in both resolution and visual fidelity to achieve playable frame rates. This analysis examines the specific roles of the CPU and GPU, how the system scales across resolutions, its standing among other tested configurations, and the optimal settings based on the measured results.

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

The Intel Core Ultra 5 135H is a mobile processor built on the Meteor Lake architecture, featuring 14 cores and 18 threads. It operates at a base clock of 3.60 GHz and can boost up to 4.60 GHz. This configuration is designed to handle a wide range of tasks, and its benchmark scores indicate a solid mid-range performer. The processor's average benchmark score is 29093, which places it in the 81st percentile of all CPUs. This percentile ranking suggests it outperforms the majority of processors in general computing tasks, which is a relevant factor for a flight simulator that must manage complex flight models, weather systems, and AI traffic simultaneously.

In the context of Microsoft Flight Simulator, the CPU's role is to manage the simulation's core logic, physics, and the massive amount of world data streaming. The 14 cores and 18 threads provide ample parallelism for these tasks. The single-core performance, as indicated by a Cinebench R23 single-core score of 1700, is crucial for the main game thread, which often becomes a bottleneck in simulation titles. A higher single-thread score generally translates to better minimum frame rates and reduced stuttering. The multi-core performance, with a Cinebench R23 multi-core score of 11875.5, ensures that the auxiliary simulation threads are handled efficiently, preventing a CPU-related bottleneck when the GPU is not the limiting factor.

The data shows that even at the lowest resolution and settings, the frame rate is 47 FPS at 1080p. This is a relatively moderate figure, suggesting that the CPU is not the primary constraint at this level. The processor's PassMark multithread score of 22422 and single-thread score of 3521 are indicative of its capability. When compared to its nearest rivals, the CPU is closely matched with the AMD Ryzen 7 5800X, showing a -0.1% difference in average score. This near-parity means the Core Ultra 5 135H should not be the differentiating factor in performance when paired with the same GPU in this game. The data points to a processor that is capable of feeding the integrated Radeon 880M with data without becoming the main limiting factor, especially at lower resolutions where the GPU struggles more.

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

The AMD Radeon 880M is an integrated graphics processor (IGP) based on the RDNA 3.5 architecture. It features 768 shading units, 48 texture mapping units, and 16 raster operation pipelines. The GPU has a base clock of 400 MHz and a boost clock of 2900 MHz. A critical characteristic is its memory configuration, which is "System Shared." This means it does not have dedicated VRAM but instead uses the system's main memory, with bandwidth being "System Dependent." This reliance on shared memory is a major factor in its performance, especially in a game like Microsoft Flight Simulator that streams large amounts of terrain and texture data.

The GPU's average benchmark score is 8436, placing it in the 43rd percentile of all GPUs. This places it in the lower half of the performance range, and its nearest rivals include older dedicated mobile GPUs like the NVIDIA GeForce GTX 675MX and the GeForce MX330, with delta percentages of 0.1% and -0.3% respectively. This comparison highlights that while it is an integrated solution, its performance is expected to be similar to those older discrete parts. The Radeon 880M's FP32 compute performance is 4.454 TFLOPS, a figure that is modest for modern gaming.

In Microsoft Flight Simulator, the GPU is responsible for rendering the highly detailed scenery, aircraft models, and lighting effects. The measured frame rates show that the Radeon 880M is the primary bottleneck in this configuration. At 1080p with Low settings, the average frame rate is 47 FPS, but this drops significantly as settings are increased. At Ultra settings, the frame rate falls to 26 FPS, a 45% decrease from Low. This indicates that the GPU's compute and memory bandwidth limitations are severely impacting performance under higher graphical loads. The shared memory architecture is likely a contributing factor, as the GPU and CPU compete for the same memory bandwidth, leading to lower performance in memory-intensive scenarios. The data clearly shows that the Radeon 880M's capabilities are the limiting factor in this pairing.

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

The measured frame rates across different resolutions provide clear insight into the system's bottleneck. At 1080p with Low settings, the average FPS is 47. Moving to 1440p, the frame rate drops to 38 FPS, and at 4K, it falls to 28 FPS. This scaling pattern shows a significant performance hit as resolution increases. The drop from 1080p to 4K represents a 40% reduction in frame rate at Low settings. This is a substantial decrease, but the fact that the frame rate remains above 25 FPS suggests that the GPU is still managing to render the frames, albeit with a heavy load.

The scaling becomes even more telling at higher settings. At Medium settings, the frame rates are 37 FPS at 1080p, 29 FPS at 1440p, and 22 FPS at 4K. The drop from 1080p to 4K here is a 40.5% reduction, similar to Low. However, at High settings, the frame rate at 1080p is 28 FPS, which drops to 22 FPS at 1440p and 16 FPS at 4K. This represents a 42.8% reduction from 1080p to 4K. The pattern is consistent: the frame rate decreases by roughly 40-45% when moving from 1080p to 4K across all settings. This indicates that the GPU's fill rate and memory bandwidth are the limiting factors, as the performance drop is directly proportional to the increase in pixel count.

This behavior confirms that the AMD Radeon 880M is the primary bottleneck. A CPU-bound system would show a smaller frame rate difference between 1080p and 4K, as the CPU's workload would be similar regardless of resolution. The fact that the frame rates scale almost linearly with pixel count indicates the GPU is working at its maximum capacity at all resolutions. The data suggests that playing at 4K is not a viable option for this combo, with average frame rates falling to 16-28 FPS depending on settings. Even at 1440p, the frame rates are only playable at Low settings, with 38 FPS. The 1080p resolution is the most practical for this system, but even there, the settings must be carefully chosen to maintain a smooth experience.

How This Combo Ranks — use comboRankInGame vs other tested combos

In the database of tested combinations for Microsoft Flight Simulator, this specific pairing of the Intel Core Ultra 5 135H and AMD Radeon 880M ranks 2924 out of 2996 total combinations. This places it in the bottom 2.4% of all tested systems. This is a very low ranking, indicating that this configuration is among the weakest for running this particular game. The rank is a direct consequence of the GPU's limited performance, as the CPU is a relatively capable part, but the integrated graphics cannot deliver high frame rates in such a demanding title.

The low ranking is consistent with the measured frame rates. With an average FPS of 47 at the best case (1080p Low), the system is far from providing a high-refresh-rate experience. The 4K results are particularly poor, with the Ultra preset yielding only 16 FPS, which is essentially unplayable. The ranking reflects that the vast majority of other tested combos, which likely include dedicated graphics cards, are able to achieve much higher performance. The data suggests that this combo is suitable only for low-settings gaming at 1080p, and even then, it is at the lower threshold of playability.

This position in the rankings is not a reflection of a faulty component but rather a result of the inherent limitations of using an integrated GPU for a high-end flight simulator. The Core Ultra 5 135H is a capable processor, but it is often paired with a discrete GPU in systems meant for gaming. This pairing, with the Radeon 880M, is more suited for general productivity and light gaming. The benchmark data clearly shows that for Microsoft Flight Simulator, this combination is near the bottom of the performance ladder, and users should have very low expectations for graphical fidelity and frame rates.

FAQ

Q: What is the best average frame rate this combo can achieve in Microsoft Flight Simulator?

A: The highest average frame rate recorded is 47 FPS, which is achieved at 1920x1080 resolution with Low settings.

Q: Can this system run the game at 4K resolution?

A: Yes, but with severe limitations. At 4K, the average frame rates range from 16 FPS at Ultra and High settings to 28 FPS at Low settings. These are generally considered unplayable for a smooth experience.

Q: How does the CPU compare to its nearest rival in terms of benchmark score?

A: The Intel Core Ultra 5 135H has an average benchmark score of 29093, which is -0.1% different from the AMD Ryzen 7 5800X, indicating they are essentially matched in performance.

Q: Is the CPU or GPU the main bottleneck in this game?

A: The data indicates the AMD Radeon 880M GPU is the primary bottleneck. This is evident from the significant frame rate drops when increasing resolution, which is characteristic of a GPU-bound system.

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

A: At 2560x1440, the average frame rate at Low settings is 38 FPS, while at Ultra settings it is 21 FPS. This represents a 45% reduction in performance.

Q: What is the combo's rank among all tested systems for this game?

A: This combo ranks 2924 out of 2996 total tested combinations, placing it in the bottom 2.4% of all systems.

Settings Recommendations

Based on the measured FPS data, the optimal experience for this hardware combination is to prioritize resolution over graphical fidelity. The data clearly shows that the game is only playable at the lowest settings. The highest average frame rate is 47 FPS at 1080p Low, which is the only configuration that approaches a smooth 60 FPS target. At 1080p Medium, the frame rate drops to 37 FPS, which is still playable but with noticeable dips. The High and Ultra presets at 1080p yield 28 and 26 FPS respectively, which are below the threshold for a consistently smooth experience.

At 1440p, the only viable option is Low settings, which produces an average of 38 FPS. This is a playable frame rate, but the visual quality will be significantly reduced. All other settings at 1440p result in average frame rates below 30 FPS, which is generally considered too low for a smooth simulation. At 4K, no settings preset provides a playable experience, with the highest average being 28 FPS at Low. The recommendation is to use the 1080p Low preset as the primary configuration. If a higher visual quality is desired, 1080p Medium at 37 FPS is the next best option, but users must accept a less stable frame rate. For a balance between visual quality and performance, the 1440p Low setting is the only reasonable choice above 1080p, but it is not an improvement over 1080p Medium in frame rate.

Measured FPS Breakdown

The following is the complete breakdown of measured average frame rates for each resolution and settings preset.

3840x2160 (4K):

• Low: 28 FPS
• Medium: 22 FPS (min 18, max 25)
• High: 16 FPS
• Ultra: 16 FPS

2560x1440 (1440p):

• Low: 38 FPS
• Medium: 29 FPS (min 25, max 34)
• High: 22 FPS
• Ultra: 21 FPS

1920x1080 (1080p):

• Low: 47 FPS
• Medium: 37 FPS (min 31, max 42)
• High: 28 FPS
• Ultra: 26 FPS

The data shows a clear trend: the system performs best at 1080p with the Low preset. As both resolution and settings increase, the frame rates drop in a predictable manner. The minimum and maximum FPS values are only provided for the Medium settings, showing a variance of 7 FPS at 1080p, 9 FPS at 1440p, and 7 FPS at 4K. This suggests that the frame pacing is relatively consistent at Medium settings, but the overall performance is still low. The Ultra preset at 4K yields the worst performance at 16 FPS, tying with the High preset. This data confirms that this combo is best suited for low-resolution, low-detail gaming.