Rust

The AMD Ryzen 5 8400F paired with the AMD Radeon RX 7900 XT delivers a wide range of performance in Rust, scaling from high-refresh 1080p gameplay to playable 4K with adjustments. The data indicates a system capable of exceeding 60 FPS at all tested resolutions, provided the settings are tuned appropriately. At 1440p and 1080p, the combination is powerful enough to run the game at its Ultra preset, while 4K requires a reduction to Medium settings to maintain a smooth experience.

FAQ

Q: What is the best settings preset for 4K gaming with this CPU and GPU?

A: At 3840x2160, the most demanding preset that maintains an average of at least 60 FPS is Medium, which achieves an average of 67.7 FPS. The High preset dips below the threshold at 56.2 FPS, and Ultra drops further to 42.2 FPS.

Q: Can this system run Rust at 1440p with maximum graphical settings?

A: Yes. The benchmark results show that at 2560x1440, the Ultra preset delivers an average of 74.1 FPS, which is above the 60 FPS playable threshold. All other settings (Low, Medium, High) also clear this threshold at this resolution.

Q: How does the performance scale between 1080p and 1440p?

A: Moving from 1920x1080 to 2560x1440, the average FPS drops by roughly 30-40% depending on the preset. For example, the Ultra preset falls from 104.8 FPS at 1080p to 74.1 FPS at 1440p, while the High preset drops from 135.4 FPS to 93.5 FPS.

Q: What is the average FPS at 1080p with Low settings?

A: The data shows an average of 213.8 FPS at 1920x1080 with the Low preset, which is the highest frame rate recorded for this combination across all tested resolutions and settings.

Q: Which component is more influential for performance in Rust at 4K?

A: The data suggests the GPU is the limiting factor at 3840x2160, as the frame rate drops significantly with increased graphical load. The CPU's performance is more relevant at lower resolutions, where the frame rates are substantially higher and less dependent on pixel throughput.

Q: Is the Ultra preset playable at any resolution for this combo?

A: Yes. The Ultra preset is playable at both 1920x1080, with an average of 104.8 FPS, and 2560x1440, with an average of 74.1 FPS. It is not playable at 4K, where it averages 42.2 FPS.

CPU and GPU Roles

The benchmark results reveal a clear division of labor between the AMD Ryzen 5 8400F and the AMD Radeon RX 7900 XT depending on resolution. At 1920x1080, the frame rates are exceptionally high across all presets, ranging from 104.8 FPS on Ultra to 213.8 FPS on Low. The relatively small performance gap between Low and Ultra settings at this resolution (a 109 FPS difference) suggests the CPU is capable of feeding the GPU enough data to maintain high throughput, but the GPU is still the primary driver of the scaling. The 8400F, with its 6 cores and 12 threads, proves sufficient to avoid major bottlenecks at 1080p, as evidenced by the strong Low preset result.

At 2560x1440, the GPU begins to take on a heavier load. The frame rates remain high, with the Ultra preset still averaging 74.1 FPS. The scaling from Low (170 FPS) to Ultra (74.1 FPS) shows a more pronounced impact of graphical fidelity, indicating that the RX 7900 XT is now the more significant factor in determining performance. The CPU's role is still relevant, but the increased pixel count shifts the balance toward the graphics card.

The transition to 3840x2160 makes the GPU the dominant component. Here, the performance drop is steep as settings increase: Low averages 97.5 FPS, Medium drops to 67.7 FPS, High falls to 56.2 FPS, and Ultra bottoms out at 42.2 FPS. The large deltas between presets at 4K highlight that the RX 7900 XT's compute and memory resources are the primary constraint. The CPU's influence is minimized at this resolution, as the workload is heavily focused on rasterization and pixel shading rather than game logic or draw calls.

Similar Performance Alternatives

Examining the nearest rivals for the CPU and GPU provides context for where this combination sits in the broader hardware landscape. The AMD Ryzen 5 8400F has an average benchmark score of 25005, placing it in the 77th percentile among all CPUs. Its closest competitor is the AMD Ryzen 5 7500F, which scores 24964, a negligible 0.2% difference. The Intel Core i7-11850H and Intel Core i7-13620H are also within 0.4% of the 8400F's score, indicating that users upgrading from these mobile processors would see virtually identical CPU-bound performance in Rust. On the other end, the AMD EPYC 9474F scores 25103, which is 0.4% higher, showing the 8400F is well-matched against server-grade silicon in synthetic benchmarks.

For the GPU, the AMD Radeon RX 7900 XT has an average benchmark score of 13745, which puts it in the 55th percentile of all GPUs. Its nearest rival is the AMD Radeon 660M, which scores 13812, a 0.5% difference. This is notable because the 660M is an integrated graphics solution, yet the synthetic scores are comparable. The NVIDIA RTX A2000 Mobile (13821) and AMD Radeon RX 570X (13871) are also within 0.9% of the RX 7900 XT. Conversely, the AMD Radeon RX 9070 XT scores 13543, which is 1.5% lower. For gaming, these rivals would produce similar frame rates in Rust, though the RX 7900 XT's 20 GB of GDDR6 memory gives it a distinct advantage in texture-heavy scenes that these other cards may not match.

The Verdict

The data confirms that this AMD Ryzen 5 8400F and AMD Radeon RX 7900 XT combination can run Rust with playable performance across all standard resolutions. At 1920x1080, every preset from Low to Ultra clears the 60 FPS threshold, with the Ultra preset averaging 104.8 FPS. Similarly, at 2560x1440, all four presets are playable, and the Ultra setting maintains a smooth 74.1 FPS average. At 3840x2160, the system is still capable, but with restrictions: the Low and Medium presets are playable, with Medium providing the best visual quality at 67.7 FPS. The High and Ultra presets fall short of the 60 FPS target at 4K, averaging 56.2 FPS and 42.2 FPS respectively. Therefore, the verdict is that this PC runs Rust effectively at 1080p and 1440p with max settings, and at 4K with medium settings.

How This Combo Ranks

In the database of tested configurations, this specific pairing of the AMD Ryzen 5 8400F and AMD Radeon RX 7900 XT ranks 689th out of 3723 total combinations for Rust. This places the combo in the top 18.5% of all tested systems, indicating above-average performance for the game. The rank is determined by the average frame rates across all resolutions and settings, and the data shows that the combination is particularly strong at 1080p and 1440p, where it delivers high refresh rates. The 4K performance is more moderate, which likely prevents a higher ranking, but the overall position reflects a well-balanced system that excels in the most common gaming scenarios.

Best Settings per Resolution

For each resolution, the optimal preset is the most demanding one that still maintains an average FPS at or above the 60 FPS playable threshold.

At 1920x1080, the Ultra preset is the best choice, delivering an average of 104.8 FPS. This provides the highest visual fidelity while still offering a comfortable margin above the playable threshold.

At 2560x1440, the Ultra preset again offers the best experience, with an average of 74.1 FPS. This is sufficient for smooth gameplay, though users seeking higher refresh rates could drop to High (93.5 FPS) or Medium (109.4 FPS) for a more responsive feel.

At 3840x2160, the Medium preset is the most demanding option that stays playable, achieving an average of 67.7 FPS. The High preset falls below the threshold at 56.2 FPS, making Medium the recommended setting for 4K gameplay.

Measured FPS Breakdown

The following data represents the exact average FPS measurements for the AMD Ryzen 5 8400F and AMD Radeon RX 7900 XT combination in Rust. Minimum and maximum FPS values were not recorded in the dataset.

1920x1080:

• Low: 213.8 FPS
• Medium: 161 FPS
• High: 135.4 FPS
• Ultra: 104.8 FPS

2560x1440:

• Low: 170 FPS
• Medium: 109.4 FPS
• High: 93.5 FPS
• Ultra: 74.1 FPS

3840x2160:

• Low: 97.5 FPS
• Medium: 67.7 FPS
• High: 56.2 FPS
• Ultra: 42.2 FPS

The scaling pattern shows diminishing returns as resolution increases. At 1080p, the gap between Low and Ultra is 109 FPS, while at 1440p it narrows to 95.9 FPS, and at 4K it compresses to 55.3 FPS. This reinforces the interpretation that the GPU becomes the primary bottleneck at higher resolutions, while the CPU maintains sufficient headroom at lower ones.