Rust

The AMD Ryzen 5 8400F paired with the NVIDIA GeForce RTX 3080 is a formidable combination for running the survival title Rust, delivering frame rates that span from deeply immersive 4K experiences to exceptionally fast 1080p gameplay. The data indicates a system that is clearly capable of handling the game’s demanding environments, though the highest visual fidelity at 4K will require some compromises to maintain smooth performance.

How This Combo Ranks

Within the benchmark database, this specific CPU and GPU pairing achieves a rank of 998 out of a total of 3723 tested combinations. This places the combo in the top quartile of all possible configurations, suggesting that its overall performance in Rust is well above the median. The ranking reflects a balanced pairing where the components work in concert to deliver strong results across a range of settings and resolutions, rather than being bottlenecked by one particular part.

The percentile scores for the individual components support this high ranking. The AMD Ryzen 5 8400F sits in the 77th percentile when compared to all CPUs, indicating it outperforms a significant majority of processors in general compute tasks. Similarly, the NVIDIA GeForce RTX 3080 falls into the 68th percentile for all GPUs. The combination of a high-performing CPU and a robust GPU ensures that neither component becomes a critical bottleneck in most scenarios, allowing the system to leverage its full potential.

CPU and GPU Roles

The benchmark data reveals a dynamic shift in component responsibility depending on the resolution and preset. At 1920x1080, the system is heavily GPU-bound, especially at lower presets. The jump from Low to Ultra settings shows the GPU being pushed harder, but the high average frame rates of 216 FPS at Low and 145 FPS at Medium indicate the CPU is feeding the GPU adequately. The data suggests that at this resolution, the CPU has ample headroom, and the overall frame rate is largely dictated by the graphical workload.

Moving up to 2560x1440, the balance begins to tip. The performance drop from 1080p to 1440p is significant but not uniform across presets. For instance, the High preset drops from 122 FPS to 84 FPS, a 31% reduction. This indicates that the GPU is taking on a much heavier load as pixel count increases. However, the CPU still maintains a strong role, as the Ultra preset manages a 64 FPS average, showing the processor can still keep up with the increased data being sent to the graphics card.

At 3840x2160, the GPU becomes the dominant constraint. The average frame rate at High settings plummets to 50 FPS, which is below the 60 FPS playable threshold. The scaling is clear: the RTX 3080 is working at its limit to render the increased pixel density. The CPU’s role diminishes here, as the frame rate is now solely governed by the GPU’s ability to process the complex scenes. The data shows a clear progression where the CPU is the primary driver at lower resolutions with high frame rates, but the GPU takes over as the limiting factor at 4K.

Best Settings per Resolution

For the most demanding visual experience while maintaining smooth gameplay, the data points to specific settings for each resolution.

At 3840x2160, the only preset that achieves a playable average frame rate is Low, which delivers 88 FPS. While High and Medium settings are visually superior, they fall short of the 60 FPS threshold with averages of 50 and 59 FPS respectively. Therefore, to maintain a fluid experience at 4K, users must sacrifice graphical fidelity and select the Low preset.

For 2560x1440, the system has enough headroom to run the game at its highest quality. The Ultra preset achieves an average of 64 FPS, which is above the playable threshold. This is the best choice for users with 1440p monitors, as it provides the maximum visual detail without incurring significant performance penalties compared to lower presets.

At 1920x1080, the Ultra preset is not only playable but also exceptionally smooth, with an average of 93 FPS. This allows users to max out all graphical options and still enjoy a high-refresh-rate experience. The performance headroom here is substantial, meaning that even the most demanding scenes are unlikely to cause frame rates to dip into unplayable territory.

Similar Performance Alternatives

For users considering this specific CPU or GPU, the benchmark database provides insights into hardware that would deliver similar performance in Rust.

The AMD Ryzen 5 8400F has an average benchmark score of 25005. Its closest rival is the AMD Ryzen 5 7500F, which scores 24964, a negligible 0.2% difference. This makes the 7500F a nearly perfect substitute in terms of CPU-bound performance. Other close alternatives include the Intel Core i7-11850H and the Intel Core i7-13620H, which score 24935 and 24911 respectively, representing a 0.3% and 0.4% difference. These processors would offer a very similar experience in Rust, ensuring that frame rates are largely unchanged.

On the graphics side, the NVIDIA GeForce RTX 3080 has an average benchmark score of 23172. Its nearest rival is the NVIDIA P106-100, which scores 23249, a difference of -0.3%. This suggests that the P106-100 could potentially deliver comparable frame rates, though its feature set may differ. Other close competitors include the AMD Radeon Pro Vega 16 and the AMD Radeon RX 6600M, with scores of 23250 and 23273, respectively. These GPUs are within 0.4% of the RTX 3080's score, indicating that they would handle Rust at similar performance levels, making them viable alternatives for users seeking comparable graphical output.

Measured FPS Breakdown

The following data presents the exact frame rates measured for this combination in Rust.

3840x2160 (4K)

• Low: Average 88 FPS
• Medium: Average 59 FPS, with a minimum of 50 FPS and a maximum of 68 FPS
• High: Average 50 FPS
• Ultra: Average 38 FPS

2560x1440 (1440p)

• Low: Average 148 FPS
• Medium: Average 100 FPS, with a minimum of 85 FPS and a maximum of 115 FPS
• High: Average 84 FPS
• Ultra: Average 64 FPS

1920x1080 (1080p)

• Low: Average 216 FPS
• Medium: Average 145 FPS, with a minimum of 123 FPS and a maximum of 166 FPS
• High: Average 122 FPS
• Ultra: Average 93 FPS

FAQ

Q: Is this CPU and GPU combination capable of running Rust at 4K resolution?

A: Yes, but only at the Low preset, which delivers an average of 88 FPS. Higher presets at 3840x2160 fail to maintain a consistent 60 FPS, with High and Medium averaging 50 and 59 FPS respectively.

Q: What is the best quality setting to use at 1440p?

A: The data shows that the Ultra preset is the most demanding option that stays playable, achieving an average of 64 FPS. This provides the highest visual fidelity while remaining above the 60 FPS playable threshold.

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

A: The scaling is significant, particularly at higher presets. For example, the High preset drops from 122 FPS at 1920x1080 to 84 FPS at 2560x1440. This indicates a strong GPU dependency as the resolution increases.

Q: Which component is more likely to bottleneck performance at 1080p?

A: The data suggests the GPU is the primary limiting factor at 1080p. The very high frame rates at Low and Medium presets (216 and 145 FPS) indicate the CPU is not a bottleneck, and the performance is dictated by the graphics card's rendering capabilities.

Q: Are there other CPUs that would perform similarly to the Ryzen 5 8400F in this game?

A: Yes, the AMD Ryzen 5 7500F has a benchmark score within 0.2% of the 8400F, making it a close match. The Intel Core i7-11850H and i7-13620H are also within 0.4%, so they would produce very similar frame rates in Rust.

Q: What is the most demanding preset that stays above 60 FPS at 4K?

A: The Low preset is the only option at 3840x2160 that achieves a playable average frame rate, with 88 FPS. The Medium preset falls just short with an average of 59 FPS.