Microsoft Flight Simulator

The Intel Core i5-14600K paired with the AMD Radeon RX 570 is a lopsided combination for Microsoft Flight Simulator, and the benchmark data makes the bottleneck obvious. The CPU is a modern powerhouse, but the GPU is a legacy part from the Polaris generation. The measured frames per second (FPS) tell a story of a system where the graphics card is consistently overwhelmed, regardless of resolution or quality preset. This analysis breaks down exactly what the data shows, where the limits are, and what you can expect from this specific pairing.

Resolution Scaling

The most telling trend in the measured data is how dramatically performance collapses as resolution increases. At 1920x1080 with Low settings, the combo averages 48 FPS. Moving to 2560x1440 Low drops that to 39 FPS, a reduction of roughly 19%. At 3840x2160 Low, the average falls further to 29 FPS, which is about a 40% decrease from the 1080p figure. This steep, linear decline is the signature of a GPU-bound scenario; the Radeon RX 570 is running out of pixel-pushing capacity.

The pattern holds across every settings preset. For High settings, the averages are 28 FPS at 1080p, 23 FPS at 1440p, and 17 FPS at 4K. The gap between 1080p and 4K is a stark 11 FPS. For Medium, the numbers are 38, 30, and 22 FPS respectively. Ultra settings are the most punishing, with averages of 27 FPS at 1080p, 22 FPS at 1440p, and just 16 FPS at 4K. The scaling is consistent and severe, indicating that the limiting component is almost entirely the graphics card. The CPU is not the constraint here; it is the RX 570 that cannot keep up with the increasing pixel count.

The data suggests that playable performance is only realistic at the lowest resolution and settings. Even at 1080p Low, 48 FPS is borderline for a flight simulator, which often benefits from higher frame rates for smooth camera panning. The 4K results are essentially unusable, with all settings producing averages in the teens. This is not a case of a balanced system struggling; it is a clear case of a weak GPU holding back a strong CPU. The frame rate drops are directly proportional to the resolution increase, which points squarely at the graphics processing unit as the bottleneck.

GPU Role

The AMD Radeon RX 570 is the primary limiting factor in this configuration. Its specifications reveal why it struggles so heavily. The GPU features 4 GB of GDDR5 memory on a 256-bit bus, providing 224.0 GB/s of bandwidth. While this was respectable at its launch, modern flight simulators like Microsoft Flight Simulator are notoriously memory-hungry and demanding on fill rate. The GPU's boost clock is 1244 MHz, and it has 2048 shading units. These figures are simply not competitive for the load this game places on them.

The benchmarks show that the RX 570 sits in the 74th percentile of all GPUs, with an average benchmark score of 28766. Its nearest rivals in the database are the AMD Radeon RX 6800M (scoring 28874, a delta of -0.4%), the AMD Radeon R9 M295X (scoring 28580, a delta of 0.7%), and the AMD Radeon RX 470 (scoring 28996, a delta of -0.8%). This places it in a performance tier that is simply inadequate for high-resolution gaming in a title as demanding as this one.

The GPU's 4 GB VRAM is a significant concern, especially at 4K. While the measured data does not explicitly report VRAM usage, the combination of low average FPS (16-29 FPS at 4K) and the known requirements of the game suggest the card is both bandwidth-limited and potentially capacity-limited. The architecture is GCN 4.0, which is old, and it lacks modern features that could help with performance. The data indicates that the GPU is the sole bottleneck; the CPU is never given a chance to stretch its legs because the GPU cannot deliver frames fast enough. This is a classic case of pairing a modern CPU with an older, mid-range GPU, and the results are exactly as expected.

CPU Role

In stark contrast to the GPU, the Intel Core i5-14600K is exceptionally powerful and is not the limiting factor in this pairing. This CPU features 14 cores and 20 threads, with a base clock of 3.50 GHz and a boost clock of 5.30 GHz. It has 24 MB of shared L3 cache and supports dual-channel DDR4 or DDR5 memory. The data shows it is in the 90th percentile of all CPUs, with an average benchmark score of 48618. Its nearest rivals include the Intel Xeon Gold 5318H (scoring 48698, a delta of -0.2%) and the AMD EPYC 4345P (scoring 48470, a delta of 0.3%), indicating it sits in a high-performance tier.

The CPU's benchmark results are impressive. In Cinebench R23, it scores 24491 multi-core and 2064 single-core. In Geekbench, it scores 16673 multi-core and 2491 single-core. These are all indicators of a processor that can handle complex simulations and physics calculations with ease. In Microsoft Flight Simulator, which relies heavily on single-core performance for the main simulation thread, the i5-14600K's 2064 single-core score in Cinebench R23 is more than sufficient.

The measured FPS data confirms that the CPU is not the bottleneck. If the CPU were the limiting factor, we would expect to see similar FPS across different resolutions, as the CPU work would be constant. Instead, we see FPS drop significantly from 1080p to 4K, which is the classic sign of a GPU bottleneck. The CPU is waiting for the GPU to finish its work. This situation means that the i5-14600K is effectively wasted in this configuration for this game; its potential is capped by the RX 570's inability to render frames fast enough. The CPU's role is to feed the GPU, and it is doing so without breaking a sweat.

How This Combo Ranks

The overall combination ranks poorly in the database. The `comboRankInGame` field shows a rank of 3538 out of 3714 tested combos. This puts it in the bottom 5% of all tested systems for Microsoft Flight Simulator. This is a direct consequence of the GPU bottleneck. The CPU is performing its role admirably, but the system's overall capability is dragged down by the RX 570.

This rank is not a reflection of the CPU's quality, but rather the synergy (or lack thereof) between the two components. A high-rank combo requires both parts to be well-matched. Here, the i5-14600K is a top-tier performer, while the RX 570 is an end-of-life product. The data suggests that this pairing is fundamentally unbalanced for this specific game. The rank is a clear signal to any builder that this is not a configuration that will deliver a satisfactory experience in Microsoft Flight Simulator, especially at higher resolutions.

The performance deltas between the CPU and its rivals are small (ranging from -0.8% to 0.7%), showing that the CPU itself is not a weak link. The problem is entirely with the GPU. When you have a CPU in the 90th percentile and a GPU in the 74th percentile, the GPU will almost always be the limiting factor in a graphically intensive game. This combo's rank of 3538 out of 3714 reinforces the idea that the GPU is a severe drag on the system's overall gaming performance.

Measured FPS Breakdown

Here is the complete breakdown of the measured FPS for this CPU and GPU combo in Microsoft Flight Simulator:

1920x1080 (1080p):

• Low: 48 FPS average
• Medium: 38 FPS average (min 32, max 43)
• High: 28 FPS average
• Ultra: 27 FPS average

2560x1440 (1440p):

• Low: 39 FPS average
• Medium: 30 FPS average (min 26, max 35)
• High: 23 FPS average
• Ultra: 22 FPS average

3840x2160 (4K):

• Low: 29 FPS average
• Medium: 22 FPS average (min 19, max 26)
• High: 17 FPS average
• Ultra: 16 FPS average

The data shows that only the 1080p Low preset achieves an average above 40 FPS. The 1080p Medium and High presets provide playable, albeit not ideal, frame rates. Everything else falls below 40 FPS. At 1440p, the Low preset is the only one that stays above 30 FPS. At 4K, every preset is below 30 FPS, making the game feel sluggish and unresponsive. The numbers are consistent and predictable: lower resolutions and lower settings yield higher FPS, but the absolute ceiling is low due to the GPU's limitations. The jump from 1080p to 1440p costs about 9 FPS on Low settings, while the jump from 1440p to 4K costs another 10 FPS, showing the GPU's inability to handle the increased pixel workload.

FAQ

Q: Is this CPU and GPU combo good for Microsoft Flight Simulator?

A: No. The combo ranks 3538 out of 3714 tested combos for this game. The data shows that the GPU is a severe bottleneck, and the system struggles to maintain acceptable frame rates, especially at higher resolutions.

Q: What is the best settings preset for this combo at 1080p?

A: Based on the measured data, the Low preset is the only one to achieve a comfortable average at 48 FPS. The Medium preset averages 38 FPS, which is playable, but the Low preset offers the highest frame rate for smoother performance.

Q: Can this combo handle 4K gaming in Microsoft Flight Simulator?

A: The data suggests it cannot. At 4K, the average FPS ranges from 16 FPS on Ultra to 29 FPS on Low. These frame rates are well below what is generally considered playable for a smooth experience.

Q: Is the Intel Core i5-14600K or the AMD Radeon RX 570 the bottleneck?

A: The AMD Radeon RX 570 is clearly the bottleneck. The CPU is in the 90th percentile of all CPUs, while the GPU is in the 74th percentile. The FPS drops significantly as resolution increases, which is a classic sign of a GPU-bound system.

Q: How does the RX 570 compare to its closest rivals in the database?

A: The RX 570 has an average benchmark score of 28766. Its nearest rivals are the AMD Radeon RX 6800M (scoring 28874, a delta of -0.4%), the AMD Radeon R9 M295X (scoring 28580, a delta of 0.7%), and the AMD Radeon RX 470 (scoring 28996, a delta of -0.8%). These are all very close in performance.

Q: What kind of frame rates can I expect at 1440p with this combo?

A: At 1440p, the Low preset averages 39 FPS, Medium averages 30 FPS, High averages 23 FPS, and Ultra averages 22 FPS. Only the Low preset offers a decent frame rate, while the higher presets will feel choppy.