Rust

The AMD Ryzen 5 8400F and AMD Radeon RX 570 combination delivers playable performance in Rust only at 1080p with the lowest settings. At 1440p and 4K, the system fails to reach the 60 FPS threshold at any preset. The recorded data shows a clear pattern: this is a 1080p, Low-settings machine for Rust, and even then, the margin above 60 FPS is slim.

Best Settings per Resolution

At 1920x1080, the only playable configuration is Low settings, which produces an average of 66 FPS. This is the sole preset across all resolutions that clears the 60 FPS playability threshold. The next step up, Medium, drops to 44 FPS, which is a substantial 22 FPS loss, indicating that the hardware struggles significantly when graphical fidelity increases.

At 2560x1440, no settings preset reaches 60 FPS. The best recorded average is 46 FPS on Low. Medium falls to 31 FPS, and High and Ultra sit at 26 FPS and 20 FPS, respectively. The data suggests that even the lightest load at this resolution is too demanding for consistent smooth gameplay.

At 3840x2160, the situation is worse. Low settings yield 27 FPS, Medium provides 18 FPS, High drops to 15 FPS, and Ultra manages only 12 FPS. None of these come close to the 60 FPS threshold, making 4K entirely unplayable for this hardware in Rust.

CPU and GPU Roles

The benchmark data reveals that Rust, at these settings, is heavily dependent on the GPU, but the CPU still plays a limiting role at lower resolutions. The scaling across resolutions is stark: at Low settings, moving from 1080p to 1440p drops the average from 66 FPS to 46 FPS, a reduction of 20 FPS or roughly 30%. Moving from 1440p to 4K at Low further drops the average from 46 FPS to 27 FPS, another 19 FPS loss. This steep decline with increasing pixel count indicates that the Radeon RX 570's rendering throughput is the primary bottleneck.

However, the CPU's influence is visible when comparing presets at the same resolution. At 1080p, the jump from Low to Medium results in a 22 FPS loss (66 to 44 FPS), while the jump from Medium to High is a smaller 6 FPS drop (44 to 38 FPS). The Ultra preset bottoms out at 29 FPS. This non-linear scaling suggests that at Low, the CPU can feed frames quickly enough, but higher presets introduce more draw calls and geometry, which the Ryzen 5 8400F can handle, but the GPU cannot render fast enough. The RX 570's 4 GB frame buffer and 224.0 GB/s bandwidth are likely saturated at higher settings.

At 1440p and 4K, the GPU's limitations dominate. The fact that Low at 1440p (46 FPS) performs better than Medium at 1080p (44 FPS) is telling. It shows that the GPU is more sensitive to preset complexity than to resolution, at least within this range. The CPU, with its 6 cores and 12 threads, has enough headroom to feed the GPU at these settings, but the GPU cannot keep up with the shader and texture load of Medium and above.

Measured FPS Breakdown

1920x1080:

• Low: Average 66 FPS. This is the only playable setting. No min/max data was recorded.
• Medium: Average 44 FPS, with a minimum of 38 FPS and a maximum of 51 FPS. This shows a tight frame time distribution, but the average is below the playable threshold.
• High: Average 38 FPS. No min/max data was recorded.
• Ultra: Average 29 FPS. No min/max data was recorded.

2560x1440:

• Low: Average 46 FPS. No min/max data was recorded.
• Medium: Average 31 FPS, with a minimum of 26 FPS and a maximum of 35 FPS.
• High: Average 26 FPS. No min/max data was recorded.
• Ultra: Average 20 FPS. No min/max data was recorded.

3840x2160:

• Low: Average 27 FPS. No min/max data was recorded.
• Medium: Average 18 FPS, with a minimum of 15 FPS and a maximum of 21 FPS.
• High: Average 15 FPS. No min/max data was recorded.
• Ultra: Average 12 FPS. No min/max data was recorded.

The min/max data, where available, shows that the Medium preset at 1080p has a 13 FPS spread (38 to 51), which indicates some frame time variance but not catastrophic stuttering. At 1440p Medium, the spread is 9 FPS (26 to 35), showing a tighter range. At 4K Medium, the spread is 6 FPS (15 to 21), which is narrow but unplayably slow.

FAQ

Q: Can this system run Rust at 60 FPS at 1920x1080?

A: Only on Low settings. The average FPS is 66, which clears the 60 FPS threshold. Medium is 44 FPS, and higher presets are progressively worse.

Q: Is 2560x1440 playable with this hardware?

A: No. The best average FPS at 1440p is 46 FPS on Low, which is below the playable threshold of 60 FPS. All other presets are lower.

Q: What happens with the performance at 4K?

A: The system cannot run Rust at 4K smoothly. The highest average FPS is 27 FPS on Low, and Ultra sits at 12 FPS. The rendering load is too high for the GPU.

Q: How does the CPU's performance compare to its price point?

A: The Ryzen 5 8400F has an average benchmark score of 25005, placing it in the 77th percentile of all CPUs. Its nearest rival, the AMD Ryzen 5 7500F, scores 24964, a 0.2% difference. The CPU is not the primary limitation in this game.

Q: How does the GPU's performance compare to similar cards?

A: The RX 570 has an average benchmark score of 28766, placing it in the 74th percentile of all GPUs. Its nearest rival, the AMD Radeon RX 6800M, scores 28874, a 0.4% difference. The RX 470 is also close, scoring 28996, which is 0.8% higher.

Q: Based on the data, what is the best settings for a smooth experience?

A: The only configuration that meets the 60 FPS playable threshold is 1920x1080 with Low settings, which averages 66 FPS. Any other resolution or preset will result in lower frame rates.

Similar Performance Alternatives

The CPU and GPU both have close performance matches in the database, which can be used to gauge what to expect from adjacent hardware.

For the AMD Ryzen 5 8400F, the nearest rival is the AMD Ryzen 5 7500F, which has an average score of 24964, a 0.2% difference. This is effectively identical performance. The Intel Core i7-11850H is also close, scoring 24935 with a 0.3% difference. The Intel Core i7-13620H scores 24964, a 0.4% difference. These three CPUs would likely produce very similar frame rates in Rust. The AMD EPYC 9474F is slightly higher with 25103, a 0.4% difference, but that is a server-class part with a different feature set.

For the AMD Radeon RX 570, the nearest rival is the AMD Radeon RX 6800M, which scores 28874, a 0.4% difference. This is a mobile GPU, but its raw performance is similar. The AMD Radeon R9 M295X scores 28580, a 0.7% difference, and the NVIDIA Quadro RTX 8000 scores 28421, a 1.2% difference. The AMD Radeon RX 470 scores 28996, which is 0.8% higher, and is the most direct desktop comparison. Users with any of these cards should expect similar frame rates in Rust.

It is important to note that the CPU and GPU rankings are independent. The CPU is ranked in the 77th percentile of all CPUs, while the GPU is ranked in the 74th percentile of all GPUs. This means that in this specific combination, the GPU is slightly weaker relative to its own peers, which aligns with the observed bottleneck behavior in Rust.

The Verdict

This system can run Rust, but only under a very narrow set of conditions. The verdict by resolution is clear: at 3840x2160 and 2560x1440, there are no playable settings. The average FPS at the best setting for each is 27 FPS at 4K Low and 46 FPS at 1440p Low, both far below the 60 FPS threshold.

At 1920x1080, the system is playable at Low settings, with an average of 66 FPS. This is the only configuration that clears the bar. The recorded data shows no other preset at any resolution achieves 60 FPS.

The conclusion is straightforward: this hardware is meant for 1080p gaming with low graphical demands. The Ryzen 5 8400F is a strong CPU, capable of handling the game's logic, but the Radeon RX 570, with its 4 GB GDDR5 memory, is the limiting factor. The GPU's 74th percentile ranking and its performance in Rust suggest that it cannot process the higher fidelity textures and effects at a playable rate.

For a player with this exact system, the only viable path is to set the resolution to 1920x1080 and the settings to Low. This will provide a relatively stable 66 FPS average. Anything above that will result in a sub-30 or sub-40 FPS experience, which is not smooth. The data does not support higher resolutions or presets for this combination.