Microsoft Flight Simulator

FAQ

Q: What is the average FPS for this combo at 1080p with High settings?

A: The Intel Core i9-14900K paired with the AMD Radeon RX 6650 XT delivers an average of 61 FPS at 1920x1080 with High settings in Microsoft Flight Simulator.

Q: How does the RX 6650 XT compare to its closest rival in synthetic benchmarks?

A: The GPU's average benchmark score is 19765, placing it 0.7% ahead of the AMD FirePro D300 and 0.8% ahead of the NVIDIA Quadro K5200, while sitting 0.6% behind the NVIDIA Tesla K40m and 0.7% behind the AMD FirePro W7000.

Q: What is the best framerate recorded across all tested configurations?

A: The highest average FPS in the measured data is 105, achieved at 1920x1080 with Low settings. The Medium preset at the same resolution reaches 81 FPS on average.

Q: What is the combo's ranking among all tested system configurations for this game?

A: This specific CPU-GPU combination ranks 2392 out of 3714 tested combos in Microsoft Flight Simulator, placing it in the lower-middle portion of the database.

Q: Does the CPU's multi-threaded performance place it ahead of its nearest rival?

A: The Core i9-14900K's average benchmark score is 79097, which is 1.7% ahead of the AMD Ryzen AI Max+ 395, but 0.3% behind the Intel Core i9-14900KF and 0.6% behind the Intel Core Ultra 9 290HX Plus.

Q: What is the minimum FPS recorded in any measured configuration?

A: The lowest minimum FPS in the data is 41, observed at 3840x2160 with Medium settings. The 1440p Medium run shows a minimum of 56, while the 1080p Medium run shows a minimum of 69.

CPU Role

The Intel Core i9-14900K provides 24 cores and 32 threads, with a base clock of 3.20 GHz and a boost clock of 6.00 GHz. This Raptor Lake-R architecture chip, built on Intel's 10 nm process, is a desktop-class processor with a 125 W TDP. Its L3 cache totals 36 MB shared, with 2 MB L2 per core and 80 KB L1 per core. The processor supports DDR4 and DDR5 memory over a dual-channel bus, and it features integrated UHD Graphics 770 as a fallback.

In Microsoft Flight Simulator, the CPU's role is significant due to the simulation's heavy reliance on single-threaded physics and scenery processing. The i9-14900K's single-core Cinebench R23 score of 2262.5 and Geekbench single-core score of 2655 indicate strong per-thread performance that helps maintain frame pacing in CPU-bound scenarios. The multi-core Cinebench R23 result of 39399.5 and Passmark multithread score of 58674 show ample headroom for background tasks, though the game's engine does not fully utilize all 24 cores.

The processor's benchmark percentile of 95 versus all CPUs confirms its high standing, but the nearest rivals reveal tight competition. The i9-14900K's average score of 79097 places it 0.3% behind the 14900KF (79371) and 0.6% behind the Core Ultra 9 290HX Plus (79574), while leading the AMD Ryzen AI Max+ 395 by 1.7%. This marginal delta means the CPU is unlikely to be the limiting factor in most in-game scenarios, especially at higher resolutions where GPU load increases.

Given the measured FPS data, the CPU's capability allows the RX 6650 XT to reach its performance ceiling at 1080p. At Low settings, the 105 FPS average suggests the GPU is still managing the workload, but the CPU is not bottlenecking. The boost clock of 6.00 GHz is particularly relevant for Flight Simulator's frame generation, as higher clocks reduce latency in scenery loading and weather computations. The 24-core configuration also ensures that the simulation's background threads for AI traffic and physics do not starve the primary rendering thread.

GPU Role

The AMD Radeon RX 6650 XT is built on the RDNA 2.0 architecture with the Navi 23 chip, manufactured on TSMC's 7 nm process. It features 2048 shading units, 128 texture mapping units, and 64 render output units, along with 32 ray accelerators. The GPU's base clock is 2055 MHz, with a boost clock of 2635 MHz and a game clock of 2410 MHz. Memory consists of 8 GB of GDDR6 on a 128-bit bus, delivering 280.3 GB/s of bandwidth, with an effective memory speed of 17.5 Gbps.

The GPU's synthetic benchmark scores show a 65th percentile ranking versus all GPUs, with an average score of 19765. Its nearest rivals in the database are all workstation or older cards: the Tesla K40m (19885, -0.6%), FirePro D300 (19637, +0.7%), FirePro W7000 (19905, -0.7%), and Quadro K5200 (19602, +0.8%). This positioning indicates that the RX 6650 XT is a mid-range card that competes closely with professional-grade hardware from several generations ago.

In Microsoft Flight Simulator, the GPU's 8 GB VRAM capacity is a critical factor. The game streams vast amounts of terrain and photogrammetry data, and at 4K Ultra settings, the average FPS drops to 35, suggesting VRAM pressure or fill-rate limitations. The 128-bit memory bus and 280.3 GB/s bandwidth are modest for 4K workloads, which aligns with the measured data showing a steep performance cliff at higher resolutions.

The GPU's DirectX 12 Ultimate support and Vulkan 1.4 API compatibility are relevant, as Flight Simulator uses DX12 for rendering. The 10.79 TFLOPS FP32 compute and 337.3 GTexel/s texture rate provide enough throughput for 1080p High settings at 61 FPS, but the card's end-of-life status and 176 W TDP suggest it is designed for 1080p and 1440p gaming rather than 4K. The PCIe 4.0 x8 interface could theoretically limit bandwidth in some scenarios, though the measured data does not conclusively show this bottleneck.

Measured FPS Breakdown

At 1920x1080, the RX 6650 XT delivers its strongest results. Low settings produce an average of 105 FPS, Medium reaches 81 FPS with a minimum of 69 and maximum of 94, High drops to 61 FPS, and Ultra falls to 58 FPS. The scaling from Low to Ultra represents a 44.8% reduction in framerate, which is substantial but expected given the graphical load increase.

At 2560x1440, the averages decline across all presets. Low settings yield 84 FPS, Medium 66 FPS (min 56, max 75), High 49 FPS, and Ultra 47 FPS. The gap between High and Ultra narrows to just 2 FPS at this resolution, suggesting that Ultra settings impose a similar GPU workload to High when resolution increases. The Medium preset's 66 FPS still provides a playable experience, though the minimum of 56 indicates occasional dips.

At 3840x2160, the GPU struggles to maintain fluid framerates. Low settings average 62 FPS, which is surprising given the resolution, but Medium drops to 48 FPS (min 41, max 56), High to 36 FPS, and Ultra to 35 FPS. The difference between High and Ultra at 4K is only 1 FPS, indicating that the GPU is likely VRAM-limited or pixel-bound at these settings. The low preset's 62 FPS is the only 4K configuration that approaches smoothness, but it requires sacrificing most visual fidelity.

The data shows a consistent pattern: the i9-14900K provides enough CPU headroom that the RX 6650 XT is the sole determinant of framerate. At 1080p Low, the 105 FPS result is close to the GPU's theoretical maximum for this workload. At 4K Ultra, the 35 FPS average is below the 60 FPS target, confirming that this combo is not suitable for high-fidelity 4K gaming in Flight Simulator.

Resolution Scaling

The framerate drop from 1080p to 1440p to 4K reveals the GPU's scaling characteristics. At High settings, the average FPS falls from 61 at 1080p to 49 at 1440p (a 19.7% reduction) and then to 36 at 4K (a 26.5% reduction from 1440p). This steep decline indicates that the RX 6650 XT is GPU-bound at these resolutions, with the 8 GB VRAM and 128-bit bus becoming increasingly limiting.

At Low settings, the scaling is less severe: 105 FPS at 1080p, 84 at 1440p (20% drop), and 62 at 4K (26.2% drop from 1440p). The absolute framerates remain higher, but the percentage reduction is similar, suggesting that the GPU's compute and memory throughput are the limiting factors rather than VRAM capacity alone. The Medium preset shows 81 FPS at 1080p, 66 at 1440p (18.5% drop), and 48 at 4K (27.3% drop from 1440p).

The Ultra preset exhibits the smallest absolute differences: 58 FPS at 1080p, 47 at 1440p (19% drop), and 35 at 4K (25.5% drop from 1440p). This compressed range indicates that Ultra settings push the GPU to its limits even at 1080p, leaving little headroom for resolution increases. The data suggests that the CPU is not the limiting component; if it were, the FPS would remain more stable across resolutions. Instead, the consistent 18-27% drops per resolution step point to GPU-bound performance.

The 4K Medium minimum of 41 FPS is particularly telling, as it shows that even with reduced settings, the GPU cannot maintain a stable 60 FPS at this resolution. The 1080p Medium minimum of 69 FPS is the only sub-4K configuration that stays above 60 FPS throughout the measurement, reinforcing that this combo is best suited for 1080p or conservative 1440p settings.

Settings Recommendations

Based on the measured FPS data, the Medium preset at 1920x1080 provides the best balance of visual quality and performance. The 81 FPS average with a 69 FPS minimum ensures smooth gameplay without significant dips, and the visual improvement over Low is meaningful for a flight simulator where terrain detail and cockpit readability matter. The High preset at 1080p (61 FPS) is acceptable but offers less headroom for complex scenes with dense scenery or weather effects.

At 2560x1440, the Medium preset (66 FPS average, 56 minimum) is the recommended choice for users who prioritize consistency. The Low preset at 1440p (84 FPS) is an option for competitive or high-refresh-rate displays, but the visual degradation may hamper situational awareness. The High and Ultra presets at 1440p (49 and 47 FPS respectively) fall below the 60 FPS target and are not recommended for this combo.

For 4K, the only viable preset is Low, which averages 62 FPS but with no recorded minimum, meaning there is risk of stutter. The Medium preset's 48 FPS average and 41 FPS minimum is borderline playable but may cause discomfort during rapid camera movements. Users seeking a 4K experience should consider this combo only for static or slow-paced flight scenarios, or they should reduce resolution scaling.

The data indicates that the Ultra preset offers negligible gains over High at 1440p and 4K (differences of 2 and 1 FPS respectively) while imposing higher GPU load. Therefore, selecting High over Ultra is a rational choice when available, as it yields nearly identical performance with potential stability benefits. The Medium preset emerges as the sweet spot across 1080p and 1440p, offering framerates above 60 FPS at both resolutions while retaining sufficient visual fidelity for the simulation's core gameplay.

How This Combo Ranks

The Intel Core i9-14900K and AMD Radeon RX 6650 XT combination ranks 2392 out of 3714 tested combos in Microsoft Flight Simulator, placing it in the 35th percentile of all configurations (since 2392/3714 ≈ 0.644, meaning 64.4% of combos rank lower, but this is calculated as rank divided by total). This ranking indicates that the combo is below average for this specific game, which is expected given the GPU's mid-range positioning and the game's demanding graphics.

The CPU's high benchmark percentile (95 vs all CPUs) does not translate to a high in-game ranking, as the RX 6650 XT's 65th percentile GPU standing becomes the limiting factor. The combo's rank is more reflective of the GPU's capability than the CPU's, as the measured FPS data shows consistent GPU-bound behavior across all resolutions. The i9-14900K's performance, while top-tier, cannot compensate for the GPU's 8 GB VRAM and 128-bit memory bus when Flight Simulator demands high-resolution textures and heavy geometry.

Compared to other combos in the database, this configuration sits in the lower-middle range, meaning it outperforms roughly 35% of tested systems but lags behind the majority. The nearest GPU rivals, which are all older or workstation cards, suggest that the RX 6650 XT's raw performance is adequate but not exceptional for modern titles. The combo's rank of 2392 out of 3714 implies that users seeking higher framerates in Flight Simulator would benefit from a more powerful GPU, even though the CPU is more than sufficient.

The data shows that this combo is best suited for 1080p gaming, where it achieves playable framerates across all presets. At 1440p, only Medium and Low presets are viable, and at 4K, only Low is acceptable. The ranking reflects this reality, as combos with higher-ranked GPUs typically achieve better performance at higher resolutions. For users with this combo, the recommendation is to target 1080p Medium or High settings to maximize the experience, accepting that the system is not designed for high-fidelity 4K simulation.