Microsoft Flight Simulator

The AMD Ryzen 9 7900X paired with the NVIDIA GeForce GTX 1070 presents a severely GPU-limited configuration in Microsoft Flight Simulator. Across every resolution, the data indicates that the GTX 1070 is the primary bottleneck, with the CPU's substantial headroom going largely unused. The measured frame rates show that this combination ranks at 1530 out of 1795 tested combos, placing it in the bottom percentile of systems for this title, which aligns with the GPU's overall percentile ranking of 51 among all graphics cards. The results are clear: this is a pairing where an older, mid-range GPU caps the experience regardless of the powerful processor behind it.

Resolution Scaling

The frame rate scaling from 1080p to 4K reveals a classic GPU-bound scenario. At 1920x1080 with Low settings, the system achieves 83 FPS. Moving to 2560x1440 Low drops this to 68.2 FPS, a reduction of roughly 18%. At 3840x2160 Low, the average falls to 47.9 FPS, which is a 42% drop from the 1440p result and a 42% drop from the 1080p result. This steep decline as pixel count increases is a direct consequence of the GTX 1070's limited pixel throughput and memory bandwidth, not the CPU.

The pattern holds across all settings presets. At High settings, the average frame rate falls from 45.8 FPS at 1080p to 39.7 FPS at 1440p (a 13% drop) and then to 27.6 FPS at 4K (a 30% drop from 1440p). The scaling is less severe between 1080p and 1440p than between 1440p and 4K, which suggests that the GPU can still partially keep up at lower resolutions but hits a hard wall when 4K pixel count demands more from its 8 GB of GDDR5 memory and 256-bit bus. The data shows that the limiting component is unambiguously the graphics card; a stronger GPU would show a flatter scaling curve across these resolutions.

How This Combo Ranks

This specific combination of the Ryzen 9 7900X and GTX 1070 ranks 1530 out of 1795 tested combos in Microsoft Flight Simulator. In percentile terms, this places the combo in the bottom 15% of all tested systems. This low rank is not a reflection of the CPU's capability—the Ryzen 9 7900X sits in the 93rd percentile against all CPUs—but rather the GPU's modest standing. The GTX 1070's average benchmark score of 12331 places it in the 51st percentile of all GPUs, and it is closely matched by rivals like the NVIDIA Quadro K4200 (0.7% faster) and NVIDIA GeForce GTX 880M (1.3% slower).

The deltaPct values from the GPU's nearest rivals highlight how tight the competition is at this performance tier. The GTX 1070 is only 1.4% slower than the GeForce GTX 1650 SUPER and 1.7% slower than the Tesla K20Xm. This clustering means that swapping the GTX 1070 for any of these near-identical performers would yield almost no change in the game's overall rank. The combo rank is essentially dictated by the GPU's fixed position in the hierarchy, and the CPU's high percentile does not boost the pair's standing in a game that is so heavily graphics-bound at these settings.

GPU Role

The NVIDIA GeForce GTX 1070 is the decisive factor in this setup. Its 8 GB of GDDR5 memory, paired with a 256-bit bus and 256.3 GB/s of bandwidth, is insufficient for the demands of Microsoft Flight Simulator at higher resolutions and settings. The GPU's base clock of 1506 MHz and boost clock of 1683 MHz are the reference points for its compute capability, which translates to a pixel rate of 107.7 GPixel/s and a texture rate of 202.0 GTexel/s. These figures are modest by modern standards and directly explain the frame rate collapse at 4K.

The benchmark data reinforces this limitation. In synthetic tests, the GTX 1070 scores 1082 in 3DMark Steel Nomad DX12, 13498 in Passmark G3D, and 47490 in Geekbench OpenCL. These scores are consistent with a mid-range card from the Pascal era. The GPU's 51st percentile ranking against all GPUs confirms it is an average performer, and its nearest rivals—all within 1.7% of its average score—show that it has no untapped potential. In Microsoft Flight Simulator, the GPU's role is to be the performance ceiling, and the measured FPS data shows that ceiling is low.

Settings Recommendations

The data indicates that the Ultra preset is not viable at any resolution for this combo, delivering 28.2 FPS at 4K and 36.2 FPS at 1440p, with only 46.5 FPS at 1080p. These frame rates are below playable thresholds for a flight simulator that requires smooth camera panning. The High preset is only marginally better, with 27.6 FPS at 4K and 39.7 FPS at 1440p, but it does reach 45.8 FPS at 1080p. The Medium preset offers a more reasonable balance, hitting 62.7 FPS at 1080p and 50.8 FPS at 1440p, but still falls to 35.9 FPS at 4K.

For the best measured experience, the Low preset is the only one that provides consistently smooth frame rates across all resolutions. It achieves 83 FPS at 1080p, 68.2 FPS at 1440p, and 47.9 FPS at 4K. Given that the GTX 1070 cannot handle higher settings without dropping below 30 FPS at 4K, the data suggests that users should either run at Low settings for maximum smoothness or accept Medium settings at 1080p for a visual quality compromise. The jump from Low to Medium at 1080p costs 20.3 FPS, which is a significant penalty for a modest visual upgrade.

Measured FPS Breakdown

At 1920x1080, the combo shows its best performance. With Low settings, the average FPS is 83. Medium settings yield 62.7 FPS, High settings produce 45.8 FPS, and Ultra settings drop to 46.5 FPS. Interestingly, the Ultra preset at 1080p is actually faster than the High preset, which suggests a potential inconsistency in the test data or a specific scene variance, but the numbers are as measured. The gap between Low and Ultra is 36.5 FPS, representing a 44% performance loss for the highest settings.

At 2560x1440, the frame rates decline across the board. Low settings average 68.2 FPS, Medium settings average 50.8 FPS, High settings average 39.7 FPS, and Ultra settings drop to 36.2 FPS. The delta between Low and Ultra at this resolution is 32 FPS. At 3840x2160, the pattern becomes severe: Low settings average 47.9 FPS, Medium settings average 35.9 FPS, High settings average 27.6 FPS, and Ultra settings average 28.2 FPS. The 4K results show that even the Low preset cannot maintain 60 FPS, and the High and Ultra presets are effectively unplayable. The data shows a consistent trend: each resolution step up halves the available headroom.

FAQ

Q: What is the best resolution to use with this CPU and GPU combo?

A: The data shows that 1920x1080 is the only resolution where the system can exceed 60 FPS, and only with the Low preset (83 FPS). At 1440p, the maximum achievable average is 68.2 FPS on Low, while at 4K, all presets fall below 48 FPS.

Q: How does the GTX 1070 compare to its nearest rivals in synthetic benchmarks?

A: The GTX 1070 has an average benchmark score of 12331. It is 0.7% slower than the NVIDIA Quadro K4200, 1.3% faster than the NVIDIA GeForce GTX 880M, and 1.4% faster than the NVIDIA GeForce GTX 1650 SUPER. It is also 1.7% faster than the NVIDIA Tesla K20Xm.

Q: Is the Ryzen 9 7900X the bottleneck in this system?

A: No. The CPU ranks in the 93rd percentile against all CPUs, with an average benchmark score of 50556. The GPU ranks in the 51st percentile, and the measured FPS scaling across resolutions indicates the GTX 1070 is the limiting component.

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

A: The combination of the Ryzen 9 7900X and GTX 1070 ranks 1530 out of 1795 tested combos in this game, placing it in the bottom 15% of systems.

Q: Can this system run the game at Ultra settings at 1080p?

A: At 1920x1080 with Ultra settings, the measured average FPS is 46.5. This is playable but not smooth, and it is only 0.7 FPS faster than the High preset at the same resolution.

Q: How much performance is lost when moving from 1080p to 4K on Low settings?

A: The average FPS drops from 83 at 1920x1080 to 47.9 at 3840x2160, a reduction of 35.1 FPS, or approximately 42% of the 1080p performance.

CPU Role

The AMD Ryzen 9 7900X provides an immense amount of processing power that is largely untapped in this configuration. With 12 cores and 24 threads, base clock of 4.70 GHz, and boost clock of 5.60 GHz, the CPU is a top-tier part. Its benchmark results are exceptional: it scores 43695 in Cinebench R23 multi-core, 6168 in Cinebench R23 single-core, and 17830 in Geekbench multi-core. The 93rd percentile ranking against all CPUs confirms its position near the top of the hierarchy, with rivals like the Intel Core Ultra 5 235 (0.1% faster) and AMD Ryzen 9 5900XT (0.4% slower) showing that the 7900X is competitive with the latest parts.

In Microsoft Flight Simulator, the CPU's role is to feed the GPU with draw calls and simulation data. The data shows that the CPU is not the limiting factor, as the frame rates scale directly with resolution and settings, which are GPU-bound variables. The CPU's cache hierarchy—64 KB L1 per core, 1 MB L2 per core, and 64 MB shared L3—is more than sufficient for this game's single-threaded and multi-threaded workloads. The fact that the combo ranks 1530 out of 1795, despite the CPU's high percentile, is definitive proof that the processor's power is wasted behind the GTX 1070's performance ceiling. A user would see no meaningful FPS increase from upgrading the CPU, as the bottleneck lies entirely with the graphics card.