Microsoft Flight Simulator

# How This Combo Ranks

The Intel Core i5-13400F paired with the AMD Radeon RX 7900 XT lands at rank 363 out of 1,795 tested combinations in Microsoft Flight Simulator. That places this pairing in the top 20% of all tested configs, a strong result for a flight simulator that stresses both CPU and GPU heavily. The combo's percentile positioning aligns with the component-level data: the CPU sits at the 82nd percentile among all processors, and the GPU also holds the 82nd percentile among all graphics cards, suggesting a balanced pairing where neither component dramatically outclasses the other.

Benchmark results indicate this is not a top-tier combo for the absolute highest frame rates, but it is firmly above the median tested configuration. The rank of 363 means roughly 1,432 tested combos deliver lower performance in this specific title. Given that Microsoft Flight Simulator is known for its demanding rendering of terrain, weather, and cockpit instruments, this mid-to-upper tier placement reflects a system capable of smooth gameplay at most settings, with some compromises necessary at the highest visual fidelity.

# CPU Role

The Intel Core i5-13400F is a 10-core, 16-thread processor based on Raptor Lake architecture, built on Intel's 10 nm process. It operates with a base clock of 2.50 GHz and a boost clock of 4.60 GHz, with a 65 W TDP. The CPU's cache hierarchy includes 80 KB of L1 per core, 1.25 MB of L2 per core, and 20 MB of shared L3 cache. For a flight simulator, which often relies on single-thread performance for physics and scenery generation while using additional threads for AI traffic and weather systems, this processor's profile is relevant.

The benchmark data shows the CPU achieves a 3DMark single-thread score of 960 and a 3DMark max-thread score of 7,307. In Cinebench R23, it scores 3,004 single-core and 21,279 multi-core. These numbers indicate solid single-thread capability, which is crucial for Microsoft Flight Simulator's frame generation in dense urban areas or complex weather scenarios. The 16 threads provide headroom for background simulation tasks.

Compared to its nearest rivals in the CPU benchmark database, the i5-13400F scores an average of 25,236. This is 0.1% ahead of the Intel Core i7-13620H (25,201), 0.5% ahead of both the AMD EPYC 9474F (25,103) and AMD Ryzen AI 5 PRO 340 (25,099), and 0.5% behind the AMD Ryzen 5 5600X3D (25,365). The deltaPct values are tight, showing this CPU performs nearly identically to these alternatives in aggregate benchmarks. For Flight Simulator, the lack of 3D V-Cache (unlike the 5600X3D) may slightly impact scenarios that benefit from large cache, but the raw multi-core score is competitive.

The CPU's memory support spans DDR4 and DDR5, with dual-channel configuration. While the fact pack does not specify memory bandwidth, the flexibility in memory choice allows builders to pair this CPU with faster DDR5 to reduce potential bottlenecks in memory-heavy simulation workloads.

# GPU Role

The AMD Radeon RX 7900 XT is built on the RDNA 3.0 architecture with the Navi 31 chip, manufactured on TSMC's 5 nm process. It packs 57,700 million transistors on a 529 mm² die. The GPU features 20 GB of GDDR6 memory on a 320-bit bus, delivering 800.0 GB/s of bandwidth. Core clocks include a base of 1,387 MHz, a game clock of 2,025 MHz, and a boost clock of 2,394 MHz. The memory runs at 2,500 MHz (20 Gbps effective).

With 5,376 shading units, 336 texture mapping units, and 192 ROPs, the RX 7900 XT delivers 51.48 TFLOPS of FP32 performance. It also includes 84 ray tracing cores. The pixel rate is 459.6 GPixel/s, and the texture rate is 804.4 GTexel/s. For a flight simulator that renders vast landscapes and detailed aircraft models, this level of fill rate supports high-resolution textures without excessive drops.

The GPU's benchmark scores show a 3DMark Steel Nomad DX12 score of 5,623, a Geekbench OpenCL score of 169,834, and a Passmark G3D score of 29,009. Its average benchmark score is 38,358, placing it at the 82nd percentile among all GPUs. The nearest rivals are extremely close: the NVIDIA GeForce RTX 5080 Mobile scores 38,349 (0% delta), the NVIDIA CMP 70HX scores 38,225 (0.3% behind), the NVIDIA GeForce MX570 scores 38,494 (0.4% ahead), and the NVIDIA GeForce RTX 4080 Mobile scores 38,135 (0.6% behind). This indicates the RX 7900 XT performs essentially on par with these competitors in aggregate GPU benchmarks.

The GPU's 20 GB VRAM is substantial for Flight Simulator, which can load large texture packs for photogrammetry cities. The 800 GB/s bandwidth ensures data can flow quickly to the rendering pipeline, reducing stutter when flying over detailed terrain.

# FAQ

Q: What is the combo's overall rank in Microsoft Flight Simulator?

A: The Intel Core i5-13400F and AMD Radeon RX 7900 XT combo ranks 363rd out of 1,795 tested combinations, placing it in the top 20% of all tested systems.

Q: How does the CPU compare to its nearest rival, the AMD Ryzen 5 5600X3D?

A: The i5-13400F has an average benchmark score of 25,236, which is 0.5% lower than the Ryzen 5 5600X3D's score of 25,365. The difference is minimal in aggregate tests.

Q: What is the GPU's average benchmark score and how does it compare to the RTX 4080 Mobile?

A: The RX 7900 XT has an average benchmark score of 38,358. It is 0.6% ahead of the RTX 4080 Mobile, which scores 38,135.

Q: What are the CPU's core and thread counts?

A: The Intel Core i5-13400F has 10 cores and 16 threads, with a base clock of 2.50 GHz and a boost clock of 4.60 GHz.

Q: How much VRAM does the GPU have and what is its memory bandwidth?

A: The RX 7900 XT has 20 GB of GDDR6 memory on a 320-bit bus, providing 800.0 GB/s of memory bandwidth.

Q: What is the GPU's boost clock speed?

A: The RX 7900 XT has a boost clock of 2,394 MHz, with a game clock of 2,025 MHz and a base clock of 1,387 MHz.

# Resolution Scaling

The measured FPS data reveals how this combo scales across resolutions. At 1080p with Low settings, the system achieves 178.1 FPS. Moving to 1440p Low drops to 142.9 FPS, a reduction of 35.2 FPS. At 4K Low, the frame rate falls to 104.9 FPS, which is 73.2 FPS lower than 1080p Low. This scaling pattern shows the GPU is increasingly stressed as resolution rises.

Examining High settings: 1080p yields 104.6 FPS, 1440p yields 82.9 FPS, and 4K yields 57.9 FPS. The drop from 1080p to 4K is 46.7 FPS, representing a 44.6% reduction. This is a steeper percentage drop than the Low settings' 41.1% reduction (178.1 to 104.9), indicating that higher settings amplify the GPU's workload more dramatically at higher resolutions.

At Ultra settings, the system produces 98.5 FPS at 1080p, 79.7 FPS at 1440p, and 56.8 FPS at 4K. The difference between 1080p and 4K Ultra is 41.7 FPS, a 42.3% reduction. The data shows that at 1080p, the CPU likely plays a larger role, as the GPU has headroom; the gap between Low and Ultra at 1080p is 79.6 FPS (178.1 to 98.5). At 4K, the gap narrows to 48.1 FPS (104.9 to 56.8), suggesting the GPU becomes the limiting factor at higher resolutions.

The medium settings provide a middle ground: 136.9 FPS at 1080p, 110.1 FPS at 1440p, and 81.2 FPS at 4K. The scaling from 1080p to 4K shows a 55.7 FPS drop, or 40.7%. Overall, the combo maintains playable frame rates above 56 FPS at all tested settings and resolutions, with the most significant performance headroom available at 1080p.

# Settings Recommendations

The measured rows provide clear guidance on which preset offers the best experience. At 4K, the Ultra preset delivers 56.8 FPS, which is just below the 60 FPS threshold many consider ideal for smooth flight simulation. The High preset at 4K produces 57.9 FPS, nearly identical to Ultra. The Medium preset at 4K yields 81.2 FPS, a substantial improvement of 23.3 FPS over Ultra. For 4K users, Medium is the recommended choice, as it provides a comfortable frame rate buffer while still offering enhanced visuals over Low.

At 1440p, the situation differs. Ultra delivers 79.7 FPS, which is playable but not high-refresh territory. High offers 82.9 FPS, a marginal 3.2 FPS improvement. Medium jumps to 110.1 FPS, a 30.4 FPS increase over Ultra. For 1440p displays, Medium provides an excellent balance, allowing the simulator to run smoothly above 100 FPS. The Low preset at 1440p reaches 142.9 FPS, but the visual compromise is likely too significant for a game where scenery detail is central to the experience.

At 1080p, the Ultra preset achieves 98.5 FPS, which is close to 100 FPS and provides the best visual quality without sacrificing smoothness. High at 1080p offers 104.6 FPS, while Medium reaches 136.9 FPS. The Low preset hits 178.1 FPS, but this is overkill for most displays. For 1080p users, Ultra is the recommended setting, as it delivers near-100 FPS performance with the highest fidelity.

The data indicates this combo can handle Ultra at 1080p comfortably, Medium at 1440p very well, and Medium at 4K adequately. The GPU's 20 GB VRAM and 800 GB/s bandwidth support high-resolution textures, but the rendering load at 4K Ultra pushes frame rates below 60. Users prioritizing frame rate should select Medium at 4K or Ultra at 1080p, depending on their display resolution and visual preferences.