Rust

Rust presents a demanding workload that scales significantly with both resolution and quality settings. The measured data for the AMD Ryzen 9 5900X paired with the NVIDIA GeForce RTX 4080 SUPER reveals a system that is capable of high refresh rate play at 1080p, but which becomes increasingly constrained by the GPU as resolution climbs. The benchmark results indicate a clear hierarchy: at 1080p, the CPU provides ample headroom, while at 4K, the GPU is the definitive limiting factor, with the gap between Low and Ultra settings widening dramatically.

Resolution Scaling

The transition from 1080p to 4K produces a substantial drop in frame rates across all quality presets, but the magnitude of that drop is heavily influenced by the settings load. At Low settings, the average frame rate falls from 204.2 FPS at 1920x1080 to 116.9 FPS at 3840x2160, a reduction of 87.3 FPS. This relatively smaller percentage decline, roughly 43%, indicates that at Low settings, the system is still partly CPU-bound at 1080p, allowing the GPU to flex its capabilities as resolution increases without being completely overwhelmed.

The scaling story changes dramatically at Ultra settings. Here, the average FPS drops from 124.4 at 1080p to just 52.1 at 4K, a reduction of 72.3 FPS, which represents a 58% performance loss. This steeper decline at higher quality settings points directly to the GPU becoming the bottleneck. The data shows that at 4K Ultra, the RTX 4080 SUPER is working at its limits, whereas at 1080p Ultra, the frame rate is still high enough to suggest that the CPU is keeping pace adequately. The pattern is consistent: as resolution increases, the delta between Low and Ultra settings widens, confirming that pixel count and shader complexity are the primary drivers of performance degradation at 4K.

GPU Role

The NVIDIA GeForce RTX 4080 SUPER is equipped with 16 GB of GDDR6X memory on a 256-bit bus, providing a memory bandwidth of 736.3 GB/s. This large frame buffer is a critical asset for Rust, a game known for its expansive environments and frequent asset streaming. The benchmark results show that the 4080 SUPER’s memory capacity is not a limiting factor at any of the tested resolutions, as even at 4K Ultra, the average FPS of 52.1 is playable, though not ideal for competitive play. The GPU’s clock speeds, with a base of 2295 MHz and a boost of 2550 MHz, are indicative of its high-end positioning within the GeForce 40-series, and the data reflects this raw compute power.

The GPU’s performance percentile of 88 among all GPUs, with an average benchmark score of 53610, places it in the upper echelon of graphics cards. In the context of Rust, the 4080 SUPER’s role is clearly to provide the graphical horsepower necessary for high-resolution rendering. The shift from High to Ultra at 4K results in a 15.6 FPS drop (67.7 to 52.1), illustrating how the additional visual fidelity demands a significant toll on the GPU. The measured data suggests that while the card is powerful, Rust’s Ultra settings at 4K are a genuine stress test for it, pushing the average frame rate below the 60 FPS threshold that many players consider the baseline for smooth gameplay.

How This Combo Ranks

Within the benchmark database, this specific combination of the AMD Ryzen 9 5900X and the NVIDIA GeForce RTX 4080 SUPER achieves a combo rank of 125 out of 1717 tested combinations. This places it in the top 7.3% of all tested systems for Rust, indicating that it is a high-performing pairing. The percentile of 90 for the CPU and 88 for the GPU individually reinforces this, showing that both components are near the top of their respective categories. The rank of 125 suggests that while there are faster combinations, primarily those with newer or more expensive components, this setup delivers a very strong experience for most players.

The nearest rivals for the CPU include the Intel Core i7-13700, which scores 39857 on average, a delta of -1% compared to the Ryzen 9 5900X’s 39453. This indicates that the Intel chip is marginally faster in general compute, but the difference is within a single percentage point. Similarly, the GPU’s closest competitor, the AMD Radeon RX 6900 XT, scores 53489, a 0.2% delta from the 4080 SUPER’s 53610. These small deltas suggest that the performance differential between this combo and others in its immediate vicinity is negligible in practical terms, and the ranking is more a reflection of the overall balance than a massive performance gap. The data shows that in Rust, this combo is competitive with systems that cost significantly more, but it is not the absolute fastest available.

Measured FPS Breakdown

At 1920x1080, the system shows excellent performance across all settings. The Low preset yields an average of 204.2 FPS, which drops to 177.1 FPS on Medium, 162.9 FPS on High, and 124.4 FPS on Ultra. The progression from Low to Ultra results in a 79.8 FPS penalty, demonstrating that while the CPU can push high frame rates, the GPU is still tasked with rendering more complex scenes at higher settings. The 1080p results are uniformly above 120 FPS, which is ideal for high refresh rate monitors.

Moving to 2560x1440, the average FPS figures are 180.3 (Low), 130 (Medium), 111.5 (High), and 84 (Ultra). The drop from Low to Ultra is 96.3 FPS, a larger absolute reduction than at 1080p. This indicates that the GPU is becoming more of a limiting factor at this resolution, as the additional pixels require more processing power. The data shows that 1440p Ultra is still playable, but the frame rate is approaching the point where competitive players might prefer to lower settings for a smoother experience.

At 3840x2160, the performance profile changes significantly. The Low preset averages 116.9 FPS, which is still smooth. However, Medium drops to 80.8 FPS, High to 67.7 FPS, and Ultra to 52.1 FPS. The gap between Low and Ultra at 4K is 64.8 FPS, but the absolute values are much lower. The data clearly shows that 4K Ultra is the most demanding scenario, with the average FPS falling below the 60 FPS target. In contrast, 4K Low is very playable, suggesting that players with 4K displays can achieve high frame rates by sacrificing visual quality.

CPU Role

The AMD Ryzen 9 5900X is a 12-core, 24-thread processor based on the Zen 3 architecture, with a base clock of 3.70 GHz and a boost clock of 4.80 GHz. Its 64 MB of L3 cache is particularly beneficial for games like Rust that rely on large amounts of data being quickly accessible. The CPU’s benchmark scores are strong, with a Cinebench R23 multicore score of 33150 and a single-core score of 4680, indicating that it can handle both heavily threaded and lightly threaded workloads with ease. In Rust, the game’s engine is known to scale well with multiple cores, and the 5900X’s 12 cores provide a solid foundation.

The CPU’s role in the measured results is most evident at 1080p Low settings, where the average FPS of 204.2 suggests that the CPU is capable of feeding the GPU with enough data to maintain very high frame rates. The delta between the 5900X and its nearest rival, the AMD EPYC 4245P, is a mere 0.2%, with the latter scoring 39383. This shows that in general compute tasks, the 5900X is essentially on par with that server chip. However, in gaming, the 5900X’s higher single-thread performance, evidenced by its 3dmark_single_thread score of 941, is likely more relevant. The data supports the conclusion that the CPU is not a bottleneck in this combination at any resolution, as the frame rates consistently drop when resolution increases, which is a classic sign of GPU limitation.

Settings Recommendations

Based on the measured FPS data, the optimal settings depend heavily on the target resolution and desired frame rate. For 1080p users with a 144Hz or 240Hz monitor, the Ultra preset at 124.4 FPS is a good choice, as it provides a high level of visual fidelity while remaining above the 120 FPS threshold. For those seeking the absolute highest frame rates, the Low preset at 204.2 FPS is the best option, but it sacrifices significant visual quality.

At 1440p, the High preset at 111.5 FPS offers a balanced experience, delivering good visuals with a frame rate that is smooth for most players. The Ultra preset at 84 FPS is also playable, but the drop from High is noticeable, and players with high refresh rate monitors may prefer the higher frame rate of High. The Medium preset at 130 FPS is a solid alternative for those who want a competitive edge with faster response times.

For 4K displays, the data suggests that the Low preset at 116.9 FPS is the only way to achieve a high refresh rate experience. The Medium preset at 80.8 FPS is acceptable for casual play, while the High preset at 67.7 FPS is borderline. The Ultra preset at 52.1 FPS is not recommended for most players, as it falls below the 60 FPS target and may feel sluggish. The benchmark results indicate that for a smooth 4K experience, players should opt for Medium or High settings, accepting a lower frame rate in exchange for image quality, or choose Low for maximum responsiveness. The data shows that the RTX 4080 SUPER is a capable 4K card, but Rust’s Ultra settings are simply too demanding for a consistent 60 FPS at that resolution.