Rust

The Intel Core i9-14900K paired with the NVIDIA GeForce RTX 4080 is a high-end combination that delivers strong frame rates in Rust, but the data reveals a clear pattern of where the bottlenecks lie. At 1080p, the system is heavily CPU-bound, producing very high frame rates that scale down as resolution increases and the GPU load grows. The measured results show a system that is capable of high refresh rate play at 1440p and solid 4K performance, though the gap between Low and Ultra settings widens significantly at higher resolutions.

Resolution Scaling

The frame rate scaling from 1080p to 4K clearly illustrates the shift in workload from the CPU to the GPU. At Low settings, the average FPS drops from 275 at 1080p to 198 at 1440p, and then to 117 at 4K. That is a 42.5% drop from 1080p to 1440p, followed by a further 40.9% drop from 1440p to 4K. This steep decline indicates that even at Low settings, the RTX 4080 becomes the limiting factor as pixel count increases, though the CPU still has to feed it enough frames.

Moving to High settings, the pattern continues but with a different starting point. At 1080p High, the average is 163 FPS. At 1440p High, it falls to 112 FPS, a 31.3% reduction. At 4K High, it hits 66 FPS, a further 41.1% drop. The percentage loss between 1440p and 4K is nearly identical to the Low settings scenario, which suggests that at 4K, the GPU is consistently the primary constraint, regardless of the graphical preset.

The Ultra preset shows the most dramatic scaling because of the heavy GPU load. It starts at 124 FPS at 1080p, drops to 85 FPS at 1440p, and then to just 50 FPS at 4K. The 4K Ultra result is the only one in the entire dataset that dips below 60 FPS, highlighting that this setting pushes the RTX 4080 to its limits. The difference between 1080p and 4K Ultra is a 59.7% reduction in average FPS, which is the largest relative loss across all settings, confirming that Ultra settings are primarily a GPU-bound workload.

FAQ

Q: What is the best resolution for this combo to maintain a high refresh rate experience?

A: The data shows that at 1440p with High settings, the system averages 112 FPS, which is suitable for high refresh rate monitors. At 1440p Medium, it averages 133 FPS, and at 1440p Low, it reaches 198 FPS. This makes 1440p the sweet spot for balancing visual fidelity and speed.

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

A: Yes, but with caveats. At 4K High settings, the average FPS is 66, which is playable. At 4K Medium, the average is 79 FPS, with a minimum of 67 FPS. However, 4K Ultra averages only 50 FPS, which may be too low for smooth gameplay.

Q: How large is the performance gap between the Low and Ultra presets?

A: The gap is substantial and grows with resolution. At 1080p, the difference is 151 FPS (275 vs 124). At 1440p, the difference is 113 FPS (198 vs 85). At 4K, the difference is 67 FPS (117 vs 50). This indicates that the Ultra preset is significantly more demanding than Low.

Q: Is the Intel Core i9-14900K the limiting factor at lower resolutions?

A: The data suggests yes. At 1080p Low, the system produces 275 FPS, which is exceptionally high. The fact that the frame rate drops so significantly when moving to 1440p and 4K at the same settings indicates that the CPU is capable of pushing beyond what the GPU can render at higher resolutions.

Q: How does the i9-14900K's multi-core performance relate to Rust's results?

A: The i9-14900K scores 39399.5 in Cinebench R23 multi-core, and 20793 in Cinebench R20 multi-core. Rust is known to be CPU-intensive, and these strong multi-core scores correlate with the high frame rates seen at 1080p, where the CPU is the primary driver of performance.

Q: What is the minimum FPS recorded for this combo?

A: The only recorded minimum FPS values are for the Medium preset. At 4K Medium, the minimum is 67 FPS. At 1440p Medium, the minimum is 113 FPS. At 1080p Medium, the minimum is 164 FPS. No minimum FPS data is available for the other presets.

CPU Role

The Intel Core i9-14900K is a 24-core, 32-thread processor based on the Raptor Lake architecture. Its base clock is 3.20 GHz, and its boost clock is 6.00 GHz. In Rust, the game's simulation and entity logic often rely heavily on single-threaded performance, but the sheer number of cores also helps with background tasks and server-side calculations. The benchmark results show this CPU excels in both areas, with a PassMark single-thread score of 4697 and a multi-thread score of 58674.

The CPU's performance becomes the key factor at 1080p. The data shows that at 1080p Low, the average FPS is 275, which is the highest score in the entire dataset. This high frame rate is only possible if the CPU can process the game's logic fast enough to feed the GPU. The fact that the frame rate at 1080p High (163 FPS) is still very high suggests that the CPU is not a bottleneck until the GPU load is increased at higher resolutions. In terms of its broader standing, the i9-14900K scores 95th percentile among all CPUs, and its average benchmark score is 79097. It is closely matched with the Intel Core i9-14900KF, which has an average score of 79371, a negligible 0.3% difference.

The L3 cache is 36 MB shared, and the L2 cache is 2 MB per core. These large cache sizes help reduce memory latency, which is beneficial for a game like Rust that manages a large, persistent world. The CPU supports both DDR4 and DDR5 memory, and while the data does not specify which was used for testing, the memory bandwidth available to the system will influence the minimum frame rates, particularly in complex scenes with many players and structures. Overall, the i9-14900K's combination of high clock speeds and many cores provides the necessary headroom for Rust's demanding CPU workload.

How This Combo Ranks

In the benchmark database, this specific combination of the Intel Core i9-14900K and the NVIDIA GeForce RTX 4080 is ranked 173rd out of 3723 tested combos for Rust. This places it in the top 4.6% of all configurations tested, which is an excellent result. The high rank confirms that this pairing is well-suited for the game and that there are very few other systems that would offer a significantly better experience.

The rank is a composite measure based on the measured FPS across all resolutions and settings. The strong performance at 1080p and 1440p, where the combo delivers high average frame rates, likely contributes heavily to this high rank. While the 4K Ultra result of 50 FPS is not ideal, it is still a playable frame rate, and the system's ability to maintain high FPS at lower resolutions is what sets it apart from many other combos. The GPU itself scores in the 86th percentile among all GPUs, and its average benchmark score is 54247. It is nearly identical in performance to the RTX 4080 SUPER, which has a score of 54209, a 0.1% difference. This suggests that the GPU is a strong performer, but it is the combination with the high-end CPU that pushes the overall rank up.

The data also shows that the RTX 4080 is very close to the AMD Radeon Pro W5700X in average score, with the Radeon being 1.1% higher. However, the in-game results for Rust demonstrate that the RTX 4080's architectural strengths, such as its 76 RT cores and 304 tensor cores, may not be fully utilized in this title, but its raw rasterization power is sufficient to keep pace with other top-tier cards.

Settings Recommendations

Based on the measured FPS data, the best experience for most users will be the Medium preset. At 1440p Medium, the system averages 133 FPS with a minimum of 113 FPS and a maximum of 153 FPS. This provides a smooth, high-refresh-rate experience with a good balance between visual quality and performance. At 1080p Medium, the performance is even higher with an average of 193 FPS, a minimum of 164 FPS, and a maximum of 222 FPS, making it an excellent choice for competitive play on high refresh rate monitors.

For users with a 4K display, the High preset is the recommended choice. It delivers an average of 66 FPS, which is above the 60 FPS threshold for smooth gameplay, and it looks significantly better than the Medium preset. The Ultra preset is not recommended for 4K, as the 50 FPS average may result in noticeable stuttering. At 1440p, the Ultra preset is viable, averaging 85 FPS, but the jump from Medium to Ultra yields only a 48 FPS decrease in performance while providing diminishing visual returns in a game like Rust.

For those seeking the absolute maximum frame rate, the Low preset at 1080p produces 275 FPS, which is ideal for very high refresh rate panels. However, the visual fidelity is significantly reduced. The High preset at 1080p, with an average of 163 FPS, is a better balance for most users who want good visuals without sacrificing too much speed. Ultimately, the Medium preset at 1440p offers the best overall experience, providing a high frame rate that is well above the threshold for most monitors while still maintaining a decent level of graphical detail.

Measured FPS Breakdown

Here is the complete breakdown of the measured average FPS for the Intel Core i9-14900K and NVIDIA GeForce RTX 4080 in Rust:

1920x1080:

• Low: Average 275 FPS.
• Medium: Average 193 FPS, with a minimum of 164 FPS and a maximum of 222 FPS.
• High: Average 163 FPS.
• Ultra: Average 124 FPS.

2560x1440:

• Low: Average 198 FPS.
• Medium: Average 133 FPS, with a minimum of 113 FPS and a maximum of 153 FPS.
• High: Average 112 FPS.
• Ultra: Average 85 FPS.

3840x2160:

• Low: Average 117 FPS.
• Medium: Average 79 FPS, with a minimum of 67 FPS and a maximum of 90 FPS.
• High: Average 66 FPS.
• Ultra: Average 50 FPS.

The data shows a consistent and predictable scaling pattern. The Low preset is the fastest at every resolution, followed by Medium, High, and then Ultra. The Medium preset is the only one with recorded minimum and maximum FPS values, which are useful for understanding the variance in frame times. The gap between the Medium and High presets is relatively small at each resolution, but the gap between High and Ultra is more pronounced, particularly at 4K. This breakdown provides a clear picture of what to expect from this hardware combination across the most common gaming configurations.