Microsoft Flight Simulator

How This Combo Ranks

The Intel Core i7-14700K paired with the AMD Radeon RX 6600 XT lands at rank 1247 out of 1795 tested combinations for Microsoft Flight Simulator. This places the combo in the lower third of the database, which is surprising given the individual component credentials. The CPU itself sits in the 96th percentile against all processors, while the GPU holds a more modest 71st percentile against all graphics cards. That disparity is the first clue: the graphics card is the bottleneck in most scenarios, dragging what would otherwise be a top-tier simulation platform down the rankings.

Looking at the nearest rivals for the GPU, the RX 6600 XT’s average benchmark score of 27985 is nearly identical to the NVIDIA GeForce GTX 980 Ti's 27956, a delta of just 0.1%. It also sits within 0.4% of the AMD Radeon R9 M395X and trails the NVIDIA GeForce RTX 3070 by only 0.9%. This tells a clear story: the RX 6600 XT is positioned at a performance tier where even small architectural differences between older and newer cards produce negligible aggregate results. For a flight simulator that demands sustained rendering of dense terrain and complex cockpit instrumentation, this combo's rank reflects the GPU's inability to push frame rates into the upper echelon, especially at higher resolutions where pixel throughput becomes critical.

GPU Role

The AMD Radeon RX 6600 XT brings 8 GB of GDDR6 memory on a 128-bit bus, delivering 256.0 GB/s of bandwidth. Its clocks are set at a 1968 MHz base, a 2359 MHz game clock, and a 2589 MHz boost, with memory running at 2000 MHz (16 Gbps effective). These specifications are adequate for 1080p gaming but become strained as resolution climbs. The GPU’s 2048 shading units, 128 TMUs, and 64 ROPs are paired with 32 ray accelerators, though Microsoft Flight Simulator’s workload is more rasterization-heavy than ray-tracing intensive.

The benchmark data confirms the GPU’s limiting role. At 1080p Low settings, the combo achieves 102 FPS, but that number falls to 58.7 FPS at Ultra. The gap between Low and Ultra at 1080p is 43.3 FPS, a 42.5% drop. At 1440p, the Ultra setting yields 45.1 FPS, and at 4K Ultra, the average dips to 30.4 FPS. The GPU’s 8 GB frame buffer is sufficient for this game’s texture loads at 1080p and 1440p, but at 4K, the combination of memory pressure and raw compute limits becomes evident. The 10.60 TFLOPS FP32 throughput and 165.7 GPixel/s pixel rate are simply not enough to maintain high frame rates at 4K with Ultra presets, where the 30.4 FPS result approaches the threshold of playability for a flight sim.

Resolution Scaling

The measured FPS data reveals a predictable but steep scaling curve. Starting at 1080p Low with 102 FPS, the combo drops to 77.6 FPS at 1440p Low (a 24% reduction) and then to 59.4 FPS at 4K Low (a further 23.4% reduction from 1440p). This pattern indicates that the CPU is still contributing meaningfully at lower settings and resolutions, but the GPU becomes the dominant constraint as pixel count rises.

At High settings, the scaling is even more aggressive: 60.6 FPS at 1080p, 50.2 FPS at 1440p, and 33.1 FPS at 4K. The 1080p-to-4K drop at High is 27.5 FPS, a 45.4% decrease. For Ultra settings, the numbers are 58.7, 45.1, and 30.4 FPS respectively, showing a 48.2% reduction from 1080p to 4K. The fact that the 4K Ultra result is barely above 30 FPS suggests the GPU is fully saturated, while the 1080p Ultra result of 58.7 FPS indicates that even at the lowest resolution tested, the combo cannot fully utilize the CPU’s headroom. The i7-14700K, with its 20 cores and 28 threads, is clearly not the limiting factor in any configuration tested here.

Measured FPS Breakdown

At 1920x1080, the combo delivers 102 FPS on Low, 79.3 FPS on Medium, 60.6 FPS on High, and 58.7 FPS on Ultra. The step from Low to Medium costs 22.7 FPS, while the jump from Medium to High costs 18.7 FPS. Interestingly, the difference between High and Ultra is just 1.9 FPS, suggesting that the Ultra preset adds visual complexity without a proportional performance penalty at this resolution. The 1080p results are the only ones where the combo consistently stays above 60 FPS except for the Ultra preset, which just misses that mark.

Moving to 2560x1440, the numbers drop to 77.6 FPS on Low, 60.3 FPS on Medium, 50.2 FPS on High, and 45.1 FPS on Ultra. The Low-to-Medium transition costs 17.3 FPS, and the Medium-to-High step costs 10.1 FPS. The High-to-Ultra gap is 5.1 FPS. At this resolution, the combo is playable on Low and Medium, but High and Ultra dip below the 60 FPS threshold that flight sim enthusiasts often prefer for smooth panning across dense scenery.

At 3840x2160, the results are 59.4 FPS on Low, 48.2 FPS on Medium, 33.1 FPS on High, and 30.4 FPS on Ultra. The Low setting just misses 60 FPS, which is notable since the same setting at 1440p was 18.2 FPS higher. The Medium-to-High drop of 15.1 FPS is the steepest single-step decline across all resolutions and settings, indicating that High settings introduce shader and texture workloads that the GPU struggles to handle at 4K. The Ultra result of 30.4 FPS is effectively half the 1080p Ultra figure, reinforcing that this combo is not suited for 4K Ultra gaming in this title.

CPU Role

The Intel Core i7-14700K is a Raptor Lake Refresh part built on Intel's 10 nm process, featuring 20 cores and 28 threads. Its base clock is 3.40 GHz with a boost of 5.60 GHz, and it carries 33 MB of shared L3 cache alongside 2 MB per-core L2 cache. The CPU’s benchmark results are strong: a Cinebench R23 multi-core score of 44534 and a single-core score of 6287, with a Geekbench multi-core score of 18896 and single-core of 2932. Its PassMark multithread score is 52392, and it sits at the 96th percentile against all CPUs.

In the context of Microsoft Flight Simulator, the CPU’s role is to handle the simulation logic, physics, and draw-call submission. The game is known for being CPU-intensive at lower resolutions, but the data shows that even at 1080p Low, where the CPU would typically be the bottleneck, the combo only reaches 102 FPS. This is not a limitation of the i7-14700K; rather, the GPU’s rendering throughput caps the frame rate. The nearest rivals for the CPU include the Intel Core i7-14700KF with an average score of 70104 (0% delta), the AMD EPYC 9115 at 69887 (0.3% slower), and the AMD Ryzen 9 9950X at 70420 (0.5% faster). These tiny deltas confirm that the i7-14700K is performing exactly as expected for a high-end desktop processor.

The 5.60 GHz boost clock and 28 threads provide ample headroom for this game’s single-threaded and multi-threaded workloads. However, the measured FPS data shows that the combo’s performance ceiling is dictated by the GPU. At 4K Ultra, the 30.4 FPS result is 71.6 FPS below the 1080p Low figure, and that gap is almost entirely attributable to the graphics card. The conclusion is unambiguous: the i7-14700K is a capable partner that never becomes the limiting factor in this pairing, but the RX 6600 XT’s mid-range positioning prevents the combo from achieving higher ranks in the database.