Microsoft Flight Simulator

# How This Combo Ranks

The Intel Core Ultra 7 270K Plus paired with the AMD Radeon RX 6800 XT ranks 882nd out of 2996 tested combos in Microsoft Flight Simulator. That places this configuration in the top 30% of all tested systems, which is a strong result for a flight simulator that heavily taxes both CPU and GPU. The combo outranks roughly 70% of tested configurations, though it falls short of the absolute top-tier systems that pair flagship GPUs with the fastest available processors.

This ranking reflects a balanced pairing rather than an extreme one. The RX 6800 XT sits at the 85th percentile among all GPUs, while the Core Ultra 7 270K Plus sits at the 96th percentile among all CPUs. When combined in a flight sim known for its demanding rendering of terrain, weather, and complex cockpit instruments, the system delivers playable performance across all tested settings, but it does not dominate the leaderboard. The data shows a configuration that prioritizes consistency over peak frame rates, which is appropriate for a genre where smoothness and stability matter more than raw speed.

GPU Role

The AMD Radeon RX 6800 XT is the primary driver of visual fidelity in this combo, and its 16 GB of GDDR6 memory on a 256-bit bus with 512.0 GB/s of bandwidth provides ample headroom for Microsoft Flight Simulator's large texture sets and detailed scenery. The GPU's memory configuration is particularly relevant here because flight simulators stream vast amounts of terrain data, and the 16 GB capacity prevents stuttering from texture thrashing at higher resolutions. The 512.0 GB/s bandwidth ensures that data moves quickly enough to keep the scene populated as the aircraft moves through dense environments.

Clock speeds play a significant role in this game's performance. The RX 6800 XT has a base clock of 1825 MHz, a game clock of 2015 MHz, and a boost clock of 2250 MHz. The game clock is the more meaningful figure for sustained flight simulation workloads, as it represents the expected clock under typical gaming load. The boost clock provides additional headroom for lighter scenes, such as cruising at altitude with minimal ground detail in view. The 72 ray tracing cores and 4608 shading units contribute to the GPU's ability to handle the game's lighting and shadow calculations, though Microsoft Flight Simulator's default rendering path is more rasterization-heavy than ray tracing-heavy.

The GPU's 20.74 TFLOPS of FP32 compute and 288 texture mapping units deliver the raw throughput needed for the game's complex shader work, including volumetric clouds and water reflections. At 4K Ultra settings, the GPU becomes the limiting factor, with average FPS dropping to 51. At 1080p Low settings, the GPU has plenty of headroom, reaching 153 FPS, which indicates that CPU or other bottlenecks come into play at lower settings and resolutions. The data suggests that the RX 6800 XT is well-matched to this CPU for 1440p and 4K gaming, where the GPU's compute resources are more fully utilized.

Settings Recommendations

The measured FPS data provides clear guidance for optimal settings across resolutions. At 1920x1080, the Medium preset delivers 119 FPS average with a minimum of 101 FPS and a maximum of 137 FPS, which is the best balance of visual quality and performance for most users. The Low preset achieves 153 FPS, but the jump to Medium costs only 34 FPS while providing noticeably better visual detail. The High preset at 90 FPS is still smooth, but Ultra at 85 FPS offers diminishing returns over High for the additional GPU load.

At 2560x1440, the Medium preset again provides the best experience, with 96 FPS average, 82 FPS minimum, and 110 FPS maximum. This is comfortably above the 60 FPS threshold for smooth flight simulation, and the minimum FPS of 82 ensures that even dense urban areas or heavy cloud layers will not cause noticeable stuttering. The High preset at 72 FPS is acceptable, but the 24 FPS drop from Medium to High is substantial for the visual gains. Ultra at 69 FPS is playable but leaves little headroom for demanding scenarios.

At 3840x2160, the Medium preset is the only reasonable choice for consistent performance, delivering 71 FPS average with a 60 FPS minimum and 81 FPS maximum. This is the edge case where Medium exactly hits the 60 FPS floor, so users who prioritize visual fidelity might accept the High preset at 53 FPS, but the data shows that Medium provides a better safety margin. Low at 91 FPS is an option for competitive or high-refresh-rate play, but at 4K the visual downgrade is significant. Ultra at 51 FPS falls below the 60 FPS threshold and is not recommended for anything other than static screenshots or slow cruise flight.

Measured FPS Breakdown

The complete FPS data reveals a consistent pattern across all three resolutions. At 1920x1080, the measured averages are 153 FPS on Low, 119 FPS on Medium, 90 FPS on High, and 85 FPS on Ultra. The Medium preset shows a minimum of 101 FPS and a maximum of 137 FPS, indicating tight frame pacing with minimal dips. The gap between High and Ultra is only 5 FPS, suggesting that the Ultra preset's additional effects are not heavily taxing the GPU at this resolution, or that the CPU becomes a limiting factor in certain scenes.

At 2560x1440, the averages are 123 FPS on Low, 96 FPS on Medium, 72 FPS on High, and 69 FPS on Ultra. The Medium preset delivers a minimum of 82 FPS and a maximum of 110 FPS. The scaling from Low to Medium is a 27 FPS drop, while Medium to High costs 24 FPS. This highlights that the Medium preset is the sweet spot, as the performance cost of moving to High is nearly as large as moving from Low to Medium, but the visual improvement is less dramatic. Ultra is only 3 FPS slower than High, reinforcing that High and Ultra are closely grouped at 1440p.

At 3840x2160, the averages are 91 FPS on Low, 71 FPS on Medium, 53 FPS on High, and 51 FPS on Ultra. The Medium preset shows a minimum of 60 FPS and a maximum of 81 FPS. The drop from Medium to High is 18 FPS, which is the largest relative penalty among the tested settings. This indicates that the 4K resolution pushes the GPU's 16 GB memory and 512.0 GB/s bandwidth to their limits, and the High preset's increased texture detail and shadow quality cause a significant performance hit. Ultra is nearly identical to High at 51 FPS, suggesting that the Ultra preset's additional options do not scale well at 4K on this GPU.

FAQ

Q: Is the Intel Core Ultra 7 270K Plus a bottleneck for the Radeon RX 6800 XT in this game?

A: The data suggests that the CPU is not a bottleneck at higher resolutions, as the GPU becomes the limiting factor at 4K. However, at 1080p Low settings, the 153 FPS average indicates that the CPU can feed the GPU sufficiently, but the scaling from Low to Medium at 1080p (a 34 FPS drop) shows that GPU load increases sharply with settings, implying a balanced pairing rather than a CPU-bound scenario.

Q: What is the best resolution for this combo in Microsoft Flight Simulator?

A: The measured FPS data shows that 2560x1440 on Medium settings provides the best overall experience, with 96 FPS average and an 82 FPS minimum. This resolution balances visual fidelity with performance headroom, whereas 4K requires Medium settings to stay above 60 FPS, and 1080p does not fully utilize the GPU's capabilities.

Q: How does the RX 6800 XT compare to its nearest rivals in raw benchmarks?

A: The RX 6800 XT has an average benchmark score of 48477, which is 1.5% higher than the NVIDIA RTX A1000 Mobile at 47743, and 2.5% higher than the Intel Arc A550M at 49737 (meaning the Arc is actually higher, so the delta is -2.5% for the RX 6800 XT). It is 3% behind the NVIDIA GeForce RTX 5070 Ti at 49957 and 3% behind the AMD Radeon RX Vega 64 at 50001.

Q: Does the Medium preset at 4K offer a better minimum FPS than High at 1440p?

A: No. The 4K Medium preset has a minimum FPS of 60, while the 1440p High preset has a minimum FPS of 72, and the 1440p Medium preset has a minimum FPS of 82. The data shows that lower resolutions provide higher minimum FPS at equivalent or better visual settings.

Q: How much performance is lost when moving from 1080p to 1440p at Ultra settings?

A: At Ultra settings, the average FPS drops from 85 at 1080p to 69 at 1440p, a decrease of 16 FPS or approximately 19%. The 1440p Ultra average of 69 FPS is still playable, but the 1080p Ultra at 85 FPS provides more headroom for complex scenes.

Q: Is the RX 6800 XT's 16 GB VRAM sufficient for 4K Ultra in this game?

A: The data shows that 4K Ultra averages 51 FPS, which is below the 60 FPS threshold. While the 16 GB VRAM prevents texture loading issues, the GPU's compute throughput at 20.74 TFLOPS is insufficient to maintain smooth frame rates at 4K Ultra settings. The 4K Medium preset at 71 FPS is the highest playable setting at that resolution.

CPU Role

The Intel Core Ultra 7 270K Plus provides the computational backbone for this combo, and its 24 cores and 24 threads are well-suited to Microsoft Flight Simulator's complex simulation logic. The CPU handles flight dynamics, weather calculations, and AI traffic, while the GPU renders the scene. The 3.70 GHz base clock and 5.50 GHz boost clock ensure strong single-threaded performance, which is critical for the game's main simulation thread. The 36 MB of shared L3 cache and 3 MB per-core L2 cache provide fast access to frequently used data, reducing latency in dense scenarios.

The CPU's benchmark scores illustrate its capabilities. In Cinebench R23, it scores 44253 in multi-core and 2439 in single-core. The multi-core score is particularly relevant for flight simulators that use multiple threads for weather, terrain streaming, and AI. The PassMark multithread score of 68574 and single-thread score of 5068 confirm that the CPU excels in both parallel and single-threaded workloads. The data compression score of 804322 and encryption score of 59097 indicate strong memory bandwidth utilization, which helps with the large datasets involved in flight simulation.

The CPU's 96th percentile ranking among all CPUs places it ahead of its nearest rivals in the benchmark database. The Intel Xeon 6520P scores 93786, essentially identical to the Core Ultra 7's 93785 average benchmark score, with a deltaPct of 0. The AMD EPYC 4564P scores 95183, which is 1.5% higher, and the AMD EPYC 9175F scores 95615, which is 1.9% higher. The AMD EPYC 4565P scores 95764, which is 2.1% higher. This shows that the Core Ultra 7 270K Plus is competitive with server-class processors in synthetic benchmarks, though the EPYC parts have a slight edge in raw multi-threaded throughput.

In the context of Microsoft Flight Simulator, the CPU's performance is most evident at lower resolutions and settings where the GPU is not the limiting factor. At 1080p Low, the system reaches 153 FPS, which indicates that the CPU can drive high frame rates when the GPU load is light. The 5.50 GHz boost clock provides the single-threaded speed needed for the game's primary simulation loop, while the 24 threads handle background tasks like terrain loading and AI aircraft updates. The CPU's 125 W TDP and 3 nm process node from TSMC allow for sustained boost clocks without excessive thermal throttling, ensuring consistent performance during long flight sessions. The 115.2 GB/s dual-channel DDR5 memory bandwidth supports the high data throughput required for streaming detailed scenery at high resolutions.