Rust

FAQ

Q: What is the best settings preset for the Intel Core Ultra X9 388H + NVIDIA GeForce RTX 4080 in Rust?

A: The data shows Medium settings deliver the most balanced experience across all resolutions, with the highest minimum FPS recorded in the entire dataset. At 1920x1080 Medium, the combo averages 139 FPS with a minimum of 118 FPS, while at 2560x1440 Medium it averages 95 FPS with a minimum of 81 FPS.

Q: How does this combo rank among all tested configurations in Rust?

A: This combination ranks 849th out of 2,953 tested combos in Rust, placing it in the 71st percentile of all tested systems. The rank reflects a strong pairing that handles the game's demanding survival-world rendering without falling into the lower performance tiers.

Q: What is the 4K performance ceiling for this setup in Rust?

A: At 3840x2160, the Ultra preset delivers 36 FPS average, which is below the 48 FPS average of the High preset. The Low preset at 4K produces 84 FPS average, making it the only 4K setting that approaches smooth high-refresh gameplay.

Q: How much performance does the RTX 4080 gain from dropping from Ultra to Low at 1080p?

A: The jump is substantial: from 89 FPS average at Ultra to 207 FPS average at Low at 1920x1080, representing a 2.3x improvement. The Medium preset splits the difference at 139 FPS average, offering a 56% uplift over Ultra while maintaining a minimum of 118 FPS.

Q: Does the CPU or GPU bottleneck this combo more in Rust?

A: The data indicates the GPU is the primary limiter at higher settings, given the steep FPS drops as quality increases. However, the CPU's 16 cores and 5.10 GHz boost clock provide headroom, as evidenced by the 207 FPS Low preset result at 1080p, which approaches the refresh ceiling without significant frame pacing issues.

Q: What is the minimum FPS guarantee at Medium settings across resolutions?

A: The dataset includes min FPS only for Medium presets: 118 FPS at 1920x1080, 81 FPS at 2560x1440, and 48 FPS at 3840x2160. These minimums are the only recorded low-frame metrics, indicating Medium is the only preset with measured frame-time stability data.

GPU Role

The NVIDIA GeForce RTX 4080, built on the Ada Lovelace architecture with 9,728 shading units and 16 GB of GDDR6X memory on a 256-bit bus, drives Rust's rendering pipeline with a 716.8 GB/s memory bandwidth. The GPU's boost clock of 2505 MHz and base clock of 2205 MHz provide the raw throughput needed for the game's draw calls and terrain streaming. The 48.74 TFLOPS FP32 performance translates directly into higher average FPS at lower settings, where the GPU's compute units are the primary constraint.

The VRAM allocation is critical in Rust because of large open-world maps and persistent structures. With 16 GB of GDDR6X, the RTX 4080 avoids texture swapping even at 3840x2160 Ultra, where the 36 FPS average is limited by shader complexity rather than memory capacity. The measured data shows a consistent pattern: moving from Low to Ultra at any resolution reduces average FPS by roughly 55-57%, which is characteristic of a GPU-bound scenario. At 1920x1080, Low produces 207 FPS while Ultra drops to 89 FPS; at 2560x1440, the spread is 142 FPS to 61 FPS; at 4K, it narrows to 84 FPS to 36 FPS.

The memory clock of 1400 MHz (22.4 Gbps effective) combined with the 256-bit bus yields a bandwidth figure that matches the demands of Rust's high-resolution textures. The GPU's pixel rate of 280.6 GPixel/s and texture rate of 761.5 GTexel/s indicate the hardware can fill frames rapidly when settings are reduced. The RTX 4080's 112 ROPs handle final pixel output, and the data suggests that at 4K Ultra, the ROP throughput becomes a limiting factor, capping average FPS at 36.

How This Combo Ranks

The combo rank of 849 out of 2,953 tested combinations places this system in the upper 71% of all configurations evaluated in Rust. This ranking reflects the synergy between the Intel Core Ultra X9 388H and the RTX 4080, where neither component severely bottlenecks the other across the tested settings. The CPU's average benchmark score of 44,466 puts it on par with the AMD Ryzen 5 7500X3D (44,573, delta -0.2%), while the GPU's average score of 54,247 sits within 0.1% of the RTX 4080 SUPER (54,209).

The ranking is driven by the GPU's ability to maintain playable frame rates at 4K Medium (56 FPS average) while the CPU sustains high minimums at lower resolutions. Notably, the combo outperforms configurations with weaker GPUs but identical CPUs, as evidenced by the 207 FPS Low preset at 1080p — a result that requires both the CPU's 5.10 GHz boost clock and the GPU's full FP32 throughput. The 849th rank is respectable but not elite because the Ultra preset at 4K (36 FPS) and even 1440p (61 FPS) fall short of the high-refresh targets that top-ranked combos achieve.

Compared to the GPU's nearest rivals, the RTX 4080's 86th percentile ranking (versus all GPUs) is mirrored in the combo's overall position. The AMD Radeon Pro W5700X has a 1.1% higher average GPU score but would likely rank lower in Rust due to driver overhead; the data here shows the RTX 4080's 0.1% deficit to the 4080 SUPER does not meaningfully change the combo's tier. The CPU's 88th percentile (versus all CPUs) with rivals like the Intel Core i9-13950HX (0.3% higher avg score) and AMD Ryzen AI Max 385 (0.4% higher) confirms that this pairing is balanced — neither component drags the other down enough to push the combo below the top quartile.

Settings Recommendations

For the best experience measured in this dataset, Medium settings provide the optimal balance of average FPS, minimum FPS, and visual quality. At 1920x1080 Medium, the combo delivers 139 FPS average with a minimum of 118 FPS, ensuring consistent frame delivery without dips below 60 FPS. At 2560x1440 Medium, the average drops to 95 FPS with a minimum of 81 FPS, which remains above the 60 FPS threshold for smooth gameplay on high-refresh monitors.

The High preset is a viable alternative for users prioritizing visual fidelity over frame rate headroom. At 1080p High, the average is 117 FPS with no recorded minimum, but the absence of min FPS data suggests potential variability; at 1440p High, the average falls to 81 FPS, which is exactly equal to the Medium preset's minimum at that resolution — a red flag for stability. For 4K users, Medium (56 FPS average) is the only preset that stays above 48 FPS, while Low (84 FPS) is the only 4K setting that approaches 60 FPS, making Low the recommended choice for 4K gaming on this combo.

Ultra settings are not recommended for any resolution based on the measured data. At 1080p Ultra, the average is 89 FPS, but this comes with no min FPS data, and the 4K Ultra result of 36 FPS falls below the playability threshold. The Low preset, while delivering the highest averages (207 FPS at 1080p, 142 FPS at 1440p, 84 FPS at 4K), sacrifices too much visual quality for the marginal gains over Medium — the difference between Low and Medium is 68 FPS at 1080p, but the difference between Medium and High is only 22 FPS, suggesting diminishing returns.

Measured FPS Breakdown

1920x1080: The Low preset achieves 207 FPS average, which is the highest score in the entire dataset. Medium produces 139 FPS average with a minimum of 118 FPS and a maximum of 159 FPS, providing a tight frame-time envelope. High delivers 117 FPS average, while Ultra drops to 89 FPS average. The progression from Low to Ultra shows a 57% reduction in average FPS, with each step up in quality costing approximately 30-50 FPS.

2560x1440: Low yields 142 FPS average, Medium 95 FPS average (minimum 81 FPS, maximum 110 FPS), High 81 FPS average, and Ultra 61 FPS average. The Medium preset's minimum of 81 FPS is notable because it matches the High preset's average, indicating that Medium provides more consistent frame pacing than High at this resolution. The gap between Low and Medium is 47 FPS, while the gap between Medium and High is 14 FPS — a much smaller step that suggests High is a marginal upgrade over Medium.

3840x2160: Low reaches 84 FPS average, Medium 56 FPS average (minimum 48 FPS, maximum 65 FPS), High 48 FPS average, and Ultra 36 FPS average. The 4K results show the steepest performance cliff: High's 48 FPS average is exactly equal to the Medium preset's minimum, indicating that High at 4K is borderline unplayable for consistent 60 FPS gaming. The Ultra preset's 36 FPS average is the only score below 40 FPS in the dataset, confirming that 4K Ultra is not viable for this combo.

The data reveals a consistent pattern: Medium settings provide the only preset with recorded minimum FPS at all three resolutions, suggesting that this preset is the most stable in terms of frame delivery. The maximum FPS values for Medium also scale predictably: 159 FPS at 1080p, 110 FPS at 1440p, and 65 FPS at 4K, each representing approximately 15% above the average.

CPU Role

The Intel Core Ultra X9 388H, with 16 cores and 16 threads, provides the computational foundation for Rust's simulation and physics systems. The CPU's base clock of 2.10 GHz and boost clock of 5.10 GHz, combined with 18 MB of shared L3 cache, handle the game's entity updates and server-side calculations. The 3 nm Panther Lake architecture and 25 W TDP indicate an efficient mobile chip that still delivers desktop-class multi-threaded performance, as evidenced by the Cinebench R23 multi-core score of 18,911 and single-core score of 2,200.5.

In Rust, the CPU's role is most apparent at Low settings where the GPU is less stressed. The jump from 142 FPS at 1440p Low to 207 FPS at 1080p Low shows that the CPU can feed the RTX 4080 enough data to approach high-refresh territory, but the scaling is not linear — the 50% resolution increase from 1080p to 1440p only costs 31% of the average FPS at Low, indicating a mix of CPU and GPU limits. The PassMark single-thread score of 4,280 and multi-thread score of 36,811 confirm that the CPU has headroom for the game's primary thread, which typically handles player input and world interaction.

The CPU's 88th percentile ranking (versus all CPUs) with an average benchmark score of 44,466 places it within 0.2% of the AMD Ryzen 5 7500X3D and 0.3% of the Intel Core i9-13950HX. This tight grouping means that swapping the CPU for a rival would not materially change Rust's measured FPS, as the GPU becomes the bottleneck at higher settings. The data supports this: at Ultra settings, the FPS differences between resolutions (89 at 1080p, 61 at 1440p, 36 at 4K) are consistent with GPU-bound scaling, while at Low settings, the smaller FPS gaps suggest the CPU begins to matter more — but even then, the 16 threads provide enough parallelism for Rust's background tasks like terrain streaming and entity culling.