Rust

The AMD Ryzen 5 8400F paired with the NVIDIA GeForce RTX 3080 Ti delivers a highly capable Rust experience, but the data reveals a clear hierarchy where settings and resolution dramatically dictate performance. At 1080p, the combo is overwhelmingly powerful, but at 4K Ultra, it falls below the 60 FPS threshold, indicating that the GPU becomes the primary bottleneck as resolution increases. The measured results show a spread from 37.8 FPS at 4K Ultra to 218 FPS at 1080p Low, proving that this system's performance is highly sensitive to configuration choices.

Resolution Scaling

The FPS drop from 1080p to 4K is severe, and the pattern reveals a GPU-bound scenario at higher resolutions. At High settings, the average frame rate falls from 125.2 FPS at 1080p to 85.9 FPS at 1440p, a reduction of 31%, and then to 52.7 FPS at 4K, representing a 58% drop from the 1080p baseline. This indicates that the RTX 3080 Ti's rendering load is the limiting factor as pixel count increases.

The scaling pattern is even more pronounced at Low settings. The system achieves 218 FPS at 1080p, which drops to 155.2 FPS at 1440p and further to 88.7 FPS at 4K. The 4K result is just 40.7% of the 1080p performance, showing that even at the lowest graphical load, the GPU cannot maintain high frame rates at 4K. This stark decline confirms that the RTX 3080 Ti, despite its high memory bandwidth of 912.4 GB/s, is the component that limits performance at higher resolutions.

At Ultra settings, the scaling is the most brutal. The frame rate goes from 99.3 FPS at 1080p to 65 FPS at 1440p and plummets to 37.8 FPS at 4K. The 4K Ultra result is only 38.1% of the 1080p Ultra performance. This indicates that the combination of high resolution and maximum graphical effects saturates the GPU's capabilities, making 4K Ultra unplayable for smooth gameplay. The data suggests that the Ryzen 5 8400F, with its 6 cores and 12 threads, is not the limiting factor in these scenarios; the consistent FPS drops align with the GPU's workload scaling.

FAQ

Q: What is the maximum average FPS achievable with this combo in Rust?

A: The highest measured average FPS is 218, achieved at 1920x1080 resolution with Low settings.

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

A: Yes, but only at lower settings. The system achieves 88.7 FPS at 4K Low, but this drops to 52.7 FPS at High and 37.8 FPS at Ultra, which may not be smooth enough for competitive play.

Q: How does the CPU's thread count influence performance in Rust?

A: The Ryzen 5 8400F has 12 threads. The benchmark data shows that at 1080p Low, the system reaches 218 FPS, suggesting the CPU is capable of feeding the GPU efficiently at lower resolutions where the GPU is less stressed.

Q: What is the performance difference between Medium and High settings at 1440p?

A: At 2560x1440, Medium settings yield an average of 104.4 FPS, while High settings produce 85.9 FPS. This is a difference of 18.5 FPS in favor of Medium.

Q: Is the RTX 3080 Ti the bottleneck at 4K?

A: Yes, the data indicates so. The FPS drops significantly more when moving from 1440p to 4K (e.g., from 85.9 to 52.7 at High) than from 1080p to 1440p, showing the GPU's rendering limits are being reached.

Q: What is the lowest average FPS recorded in the test suite?

A: The lowest average FPS is 37.8, which occurs at 3840x2160 resolution with Ultra settings.

Settings Recommendations

For the best balance of visual fidelity and performance, the data strongly favors Medium settings at 1440p. This configuration achieves an average of 104.4 FPS, which is well above the 60 FPS standard for smooth gameplay. While High settings at 1440p offer a better image, the drop to 85.9 FPS is noticeable, and the incremental visual gain may not justify the 18.5 FPS loss.

At 1080p, Medium settings are the optimal choice, delivering 152.3 FPS. This is a significant boost over High settings (125.2 FPS) while still providing a solid visual experience. Pushing to Low settings at 1080p yields 218 FPS, but the graphical compromises are substantial, making it only suitable for competitive players who prioritize maximum frame rates over image quality.

For 4K gaming, the data suggests that Low settings are the only viable option if aiming for high refresh rates, as it is the only preset to exceed 60 FPS (88.7 FPS). Medium settings at 4K (61.8 FPS) are borderline playable, but the drop to 37.8 FPS at Ultra is too severe for any smooth experience. Therefore, users with 4K displays should either sacrifice visual quality for performance or consider lowering the resolution.

Measured FPS Breakdown

At 1920x1080, the combo shows its strongest performance. Low settings yield an average of 218 FPS, which is the highest recorded score in the entire dataset. Medium settings follow at 152.3 FPS, while High settings produce 125.2 FPS. Ultra settings at this resolution are the least performant, but still deliver a very playable 99.3 FPS.

Moving to 2560x1440, performance scales down predictably. Low settings remain high at 155.2 FPS, but the gap to other presets narrows. Medium settings achieve 104.4 FPS, while High settings hit 85.9 FPS. Ultra settings at 1440p record an average of 65 FPS, which is the minimum for a stable 60 FPS experience but leaves little headroom.

At 3840x2160, the demands of 4K are evident. The system manages 88.7 FPS on Low, but this is a significant drop from the 1080p Low result. Medium settings fall to 61.8 FPS, and High settings drop further to 52.7 FPS. The Ultra preset is the worst performer in the entire dataset, with an average of just 37.8 FPS, making it unsuitable for smooth gameplay. The scaling from Low to Ultra at 4K shows a 57.4% performance penalty, highlighting the heavy cost of maximum settings.

How This Combo Ranks

The AMD Ryzen 5 8400F and NVIDIA GeForce RTX 3080 Ti combination ranks 409th out of 1717 tested combos in Rust. This places the system in the top 23.8% of all tested configurations, which is a strong result for a mainstream pairing. The ranking indicates that while it is not an absolute top-tier setup, it outperforms the vast majority of systems tested in this game.

The CPU's individual percentile is 82, meaning it scores higher than 82% of all processors in the benchmark database. The GPU's percentile is 83, showing a similar level of performance relative to other graphics cards. These high percentiles align with the combo's overall strong ranking, suggesting that both components are well-matched and contribute to the system's above-average position. The data indicates that the combo is more than capable of handling Rust's demands, with the ranking reflecting its solid performance across the tested settings.

CPU Role

The AMD Ryzen 5 8400F is a 6-core, 12-thread processor based on the Zen 4 architecture, running on the AMD Socket AM5 platform. Its base clock is 4.20 GHz with a boost clock of 4.70 GHz. In Rust, the CPU's role is evident at lower resolutions where the GPU is less stressed. At 1080p Low, the system achieves 218 FPS, which is the highest score in the dataset, suggesting that the CPU can drive high frame rates without becoming a bottleneck.

The CPU's 16 MB of shared L3 cache and 4 nm process node contribute to its efficient processing. The benchmark results show a single-thread score of 951 in 3DMark, which is crucial for games like Rust that rely on strong single-core performance. The multi-threaded score of 6165 in 3DMark indicates that the 12 threads are also well-utilized. However, the data suggests that at higher resolutions, the CPU's influence wanes. The FPS drop from 1080p to 4K is consistent across settings, indicating that the GPU becomes the limiting factor, not the CPU. The 6 cores are sufficient for Rust's engine, as the frame rates at 1080p demonstrate that the CPU can handle the game's logic and draw calls effectively.

GPU Role

The NVIDIA GeForce RTX 3080 Ti is a high-end graphics card with 12 GB of GDDR6X memory and a 384-bit memory bus, providing a massive 912.4 GB/s of bandwidth. Its base clock is 1365 MHz with a boost clock of 1665 MHz. In Rust, the GPU's role is paramount, especially at higher resolutions. The data shows that the FPS drops significantly as resolution increases, which is a classic sign of a GPU-bound scenario.

The GPU's 10240 shading units and 80 RT cores provide substantial raw compute power. However, the 4K Ultra result of 37.8 FPS reveals that even this powerful card struggles with the most demanding settings. The memory bandwidth of 912.4 GB/s is critical for handling high-resolution textures, but the data shows that the card's compute capabilities are the primary limiter at 4K. The GPU's percentile ranking of 83 against all other GPUs confirms its high-end status, but the measured results in Rust show that it is not invincible. The performance scaling from Low to Ultra at 1080p (218 to 99.3 FPS) demonstrates that the GPU's workload increases dramatically with graphical fidelity, and at 4K, this load becomes too great for the card to maintain high frame rates on higher presets.