Rust

The Intel Core i5-12400F paired with the AMD Radeon RX 7800 XT delivers a robust Rust experience, with the benchmark data showing a clear performance hierarchy across settings and resolutions. At 1080p, the combination easily exceeds 100 FPS on High settings, while 4K Ultra presents a significant challenge, dropping below 35 FPS. This analysis breaks down the measured results to determine the optimal settings, the CPU’s role, and how this specific hardware pairing ranks among the 1,717 tested combinations.

Settings Recommendations

The measured FPS data indicates that the High preset offers the best balance of visual fidelity and playable performance across all tested resolutions. At 1920x1080, the High preset delivers 112.5 FPS, which is only 27.2% lower than the Low preset’s 203.3 FPS but provides a substantial visual upgrade. The Medium preset at 1080p yields 139 FPS, but the jump from Medium to High costs only 26.5 FPS (139 to 112.5), a 19% decrease, while the jump from High to Ultra costs 25.8 FPS (112.5 to 86.7), a 23% decrease. The High preset sits in a sweet spot where the frame rate remains well above 60 FPS while avoiding the steep diminishing returns of Ultra.

At 2560x1440, the High preset maintains 78.7 FPS, which is comfortably playable on high-refresh-rate monitors. The Low preset here reaches 137.7 FPS, but the visual compromise is severe for a survival game where spotting distant players and environmental details matter. The Medium preset at 91.9 FPS is also viable, but High’s 78.7 FPS remains above the 60 FPS threshold and offers better image quality. At 3840x2160, the High preset drops to 50.1 FPS, which is borderline for smooth gameplay but still more playable than Medium’s 57.9 FPS? No, the data shows High is 50.1 FPS and Medium is 57.9 FPS, so Medium is actually faster at 4K. However, the Low preset at 4K reaches 80.9 FPS, indicating that the GPU is heavily taxed at this resolution. For 4K users, the Medium preset at 57.9 FPS is the recommended choice, as it stays closer to 60 FPS than High while offering better visuals than Low. The Ultra preset is not recommended at any resolution, as it produces 86.7 FPS at 1080p, 60.9 FPS at 1440p, and 32.8 FPS at 4K, with the 4K figure being unplayable.

CPU Role

The Intel Core i5-12400F is a 6-core, 12-thread processor with a base clock of 2.50 GHz and a boost clock of 4.40 GHz. Its synthetic benchmarks show a single-thread score of 909 in 3DMark and 2332 in Cinebench R23, alongside a multi-thread score of 5912 in 3DMark and 16518 in Cinebench R23. The CPU’s percentile ranking against all CPUs is 77, placing it in the upper quartile. Its nearest rival, the Intel Core i7-8700K, scores 19210 on average, a mere 0.1% difference, indicating that the i5-12400F trades blows with a previous-generation flagship.

In Rust, the CPU’s role is most evident at lower resolutions. The data shows that at 1920x1080 with Low settings, the combo reaches 203.3 FPS, while at 4K with Low settings, it drops to 80.9 FPS. This 122.4 FPS gap suggests that at 1080p, the CPU is capable of feeding the GPU more frames, but the GPU becomes the limiting factor as resolution increases. The CPU’s 18 MB of shared L3 cache and 1.25 MB L2 cache per core are adequate for the game’s simulation and entity tracking, but the lack of a high single-thread score relative to top-tier chips (the 3DMark single-thread score is 909) means it cannot push beyond the 203.3 FPS ceiling observed at 1080p Low. The 12 threads ensure that background tasks and game logic don’t starve the render thread, but the data indicates the GPU is the primary bottleneck at 1440p and above.

FAQ

Q: What is the maximum average FPS this combo can achieve in Rust?

A: The highest measured average FPS is 203.3, achieved at 1920x1080 with Low settings.

Q: Can this combo handle 4K gaming in Rust?

A: Yes, but only on lower presets. The Low preset at 3840x2160 produces 80.9 FPS, while High drops to 50.1 FPS and Ultra falls to 32.8 FPS.

Q: How does the CPU compare to its nearest rival?

A: The Intel Core i5-12400F has an average benchmark score of 19221, which is 0.1% higher than the Intel Core i7-8700K’s 19210, making them effectively equivalent in overall CPU performance.

Q: What is the GPU’s performance percentile?

A: The AMD Radeon RX 7800 XT ranks in the 76th percentile against all GPUs, with an average benchmark score of 32619.

Q: Is the Ultra preset ever playable?

A: At 1920x1080, Ultra produces 86.7 FPS, which is playable. At 2560x1440, it drops to 60.9 FPS, which is borderline. At 3840x2160, it falls to 32.8 FPS, which is not smooth.

Q: How much FPS is lost going from 1080p to 4K on High settings?

A: The average FPS drops from 112.5 at 1920x1080 to 50.1 at 3840x2160, a loss of 62.4 FPS (55.5%).

How This Combo Ranks

The combo ranks 582nd out of 1,717 tested combinations, placing it in the 66th percentile of all hardware pairings tested for Rust. This ranking reflects the balance between the i5-12400F’s upper-midrange CPU performance and the RX 7800 XT’s high-end GPU capability. The CPU ranks in the 77th percentile against all CPUs, while the GPU ranks in the 76th percentile against all GPUs, suggesting that neither component is a significant drag on the other. The 582nd rank out of 1,717 means that 1,135 combos perform better, but given the hardware class, this is a solid position. The nearest GPU rival, the AMD FirePro S9300 X2, scores 32540, a 0.2% difference, indicating the RX 7800 XT is well-matched with its direct competitors. In Rust’s demanding survival sandbox, this combo sits comfortably in the upper-middle tier, adept at high-refresh 1080p gaming and capable of 1440p High settings.

Resolution Scaling

The measured data shows a clear FPS progression as resolution increases. On High settings, the combo delivers 112.5 FPS at 1920x1080, 78.7 FPS at 2560x1440, and 50.1 FPS at 3840x2160. This represents a 30% drop from 1080p to 1440p and a further 36% drop from 1440p to 4K. On Low settings, the scaling is steeper: 203.3 FPS at 1080p, 137.7 FPS at 1440p, and 80.9 FPS at 4K, which is a 32% drop and then a 41% drop. The fact that Low settings at 4K (80.9 FPS) are faster than High settings at 1440p (78.7 FPS) suggests that the GPU is the limiting factor at higher resolutions, as reducing graphical load has a more significant impact than lowering resolution. Conversely, at 1080p, the gap between Low (203.3 FPS) and Ultra (86.7 FPS) is 116.6 FPS, indicating that the GPU has headroom at lower resolutions, but the CPU prevents it from going beyond 203.3 FPS. The data indicates that at 1080p, the CPU is the primary constraint, while at 4K, the GPU is clearly the bottleneck, as evidenced by the 50.1 FPS on High settings.

Measured FPS Breakdown

At 1920x1080, the average FPS across presets is as follows: Low 203.3, Medium 139, High 112.5, and Ultra 86.7. The spread from Low to Ultra is 116.6 FPS, with the largest single drop occurring between Low and Medium (64.3 FPS), followed by Medium to High (26.5 FPS) and High to Ultra (25.8 FPS). This indicates that the Low preset is heavily GPU-bound, while the transition to Medium introduces more demanding effects that reduce throughput.

At 2560x1440, the average FPS is: Low 137.7, Medium 91.9, High 78.7, and Ultra 60.9. The drop from Low to Medium is 45.8 FPS, from Medium to High is 13.2 FPS, and from High to Ultra is 17.8 FPS. The 1440p data shows a more linear scaling, with the GPU becoming progressively more taxed as settings increase, but the Ultra preset still manages to stay above 60 FPS.

At 3840x2160, the average FPS is: Low 80.9, Medium 57.9, High 50.1, and Ultra 32.8. The drop from Low to Medium is 23 FPS, from Medium to High is 7.8 FPS, and from High to Ultra is 17.3 FPS. The 4K results show that only the Low preset maintains a comfortable frame rate above 60 FPS, while Medium and High hover near 50-60 FPS, and Ultra falls well below playable standards. The data suggests that for 4K gaming, users must accept either Low settings for smoothness or Medium for a balance, as High and Ultra do not provide a consistent experience.