Rust

The Intel Core i5-12400 paired with the NVIDIA GeForce GTX 1080 Ti is a mid-range combination that delivers playable frame rates in Rust at 1080p and 1440p, but falls short at 4K. The CPU has a launch MSRP of $199, and the GPU has a launch MSRP of 699 USD. Measured data shows a clear GPU bottleneck at higher resolutions, while the CPU provides ample headroom for the game's simulation and physics. This combo ranks 982nd out of 1717 tested combinations, placing it in the lower half of the database, yet it still offers a smooth experience at 1080p across all settings.

Resolution Scaling

The frame rate drop from 1080p to 4K is steep and consistent across all presets. At Low settings, the average FPS falls from 152.3 at 1920x1080 to 105.6 at 2560x1440, then to 64 at 3840x2160. Medium settings follow a similar pattern: 106.1 at 1080p, 74.4 at 1440p, and 43.1 at 4K. High settings yield 90 at 1080p, 58.7 at 1440p, and 37.2 at 4K. Ultra settings produce 68.3 at 1080p, 48.3 at 1440p, and 29.6 at 4K. In every case, the 4K average is less than half of the 1080p average, indicating that the GPU becomes the limiting factor as resolution increases. The scaling from 1080p to 1440p is less severe than from 1440p to 4K, but the overall trend is a steady decline. At 4K, even Low settings only reach 64 FPS, which is barely above the 60 FPS threshold, while Medium and above fall well below it. This suggests that the GTX 1080 Ti's compute resources are insufficient for high-resolution rendering in Rust, despite its large memory pool.

Settings Recommendations

For a 60 FPS target, the optimal preset depends on resolution. At 1080p, Ultra is playable at 68.3 FPS, but High offers a smoother 90 FPS, and Medium reaches 106.1 FPS. Given that Rust is a survival game where quick reactions matter, High or Medium at 1080p provides the best balance of visual fidelity and frame rate. At 1440p, Medium delivers 74.4 FPS, while High drops to 58.7 FPS—just below the 60 FPS line. Therefore, Medium is the recommended preset for 1440p, as it maintains a comfortable margin above 60 FPS. At 4K, only Low settings achieve 64 FPS; Medium, High, and Ultra all fall below 45 FPS. Consequently, Low is the only viable setting at 4K for a playable experience. The data shows that the combo is best suited for 1080p and 1440p gaming, with 4K reserved for those who prioritize frame rate over visual quality.

FAQ

Q: What is the best resolution for this combo in Rust?

A: The measured FPS shows 1080p provides the highest frame rates, with Ultra averaging 68.3 FPS. 1440p is playable at Medium (74.4 FPS), while 4K requires Low settings to stay above 60 FPS.

Q: Does the GTX 1080 Ti bottleneck the i5-12400 at 1080p?

A: At 1080p Low, the combo reaches 152.3 FPS, indicating the CPU is not the limiting factor. The GPU's performance is sufficient for high frame rates at this resolution, and the CPU's strong single-thread score (2249 in Cinebench R23) supports this.

Q: How much VRAM does the GTX 1080 Ti have, and is it enough for Rust?

A: The GPU has 11 GB of GDDR5X memory. The measured frame rates at 4K Low (64 FPS) suggest the memory capacity is not a constraint at that setting, as the bottleneck is compute-bound rather than memory-bound.

Q: What is the CPU's single-thread performance?

A: The i5-12400 scores 2249 in Cinebench R23 single-core, which is strong for games that rely on single-threaded physics and simulation, such as Rust.

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

A: It ranks 982nd out of 1717 combos, placing it in the lower half of the database. This indicates that while it is not a top-tier setup, it is still capable of delivering playable frame rates at lower resolutions.

Q: What is the GPU's memory bandwidth?

A: The GTX 1080 Ti has a 352-bit bus and 484.4 GB/s bandwidth, which is high for its generation and contributes to its performance at 1080p and 1440p.

How This Combo Ranks

The combo ranks 982nd out of 1717 tested combinations in Rust, meaning it sits below the median performance level. This rank reflects the GPU's age and the game's demanding nature at higher resolutions. However, the ranking does not tell the whole story: at 1080p, the combo outperforms many newer setups due to the CPU's strong single-thread performance and the GPU's ample VRAM. The i5-12400's percentile vs all CPUs is 77, and its nearest rivals—Intel Core i7-9700, i7-8700, and i5-11600K—are within 0.4% of its average benchmark score, indicating a tight cluster of mid-range processors. The GTX 1080 Ti's percentile vs all GPUs is 61, with nearest rivals including the GTX 780 and TITAN Xp, all within 1.1% of its score. This suggests that the GPU is a solid mid-tier performer, but not a top contender. In Rust, the combo's rank is a reflection of the GPU's limitations at 4K, while its 1080p performance is competitive.

CPU Role

The Intel Core i5-12400 is a 6-core, 12-thread processor with a base clock of 2.50 GHz and a boost clock of 4.40 GHz. It features 18 MB of shared L3 cache and is built on Intel's 10 nm Alder Lake architecture. In synthetic benchmarks, it scores 15935 in Cinebench R23 multicore and 2249 in single-core, with a Passmark multithread score of 18747. Its percentile vs all CPUs is 77, placing it above the majority of processors. The nearest rivals—i7-9700, i7-8700, and i5-11600K—are within 0.4% of its average benchmark score, showing that the i5-12400 is a competitive mid-range chip. In Rust, the CPU's single-thread performance is crucial for the game's physics and entity updates. The high boost clock of 4.40 GHz ensures that the CPU can keep up with the GPU at lower resolutions, as evidenced by the 152.3 FPS at 1080p Low. At higher resolutions, the CPU is not the bottleneck; the GPU's rendering load dominates. The 6 cores and 12 threads are sufficient for Rust's multithreaded aspects, and the 18 MB L3 cache helps with data-heavy scenes. Overall, the CPU provides a strong foundation for this combo, allowing the GPU to be the primary performance limiter.

Measured FPS Breakdown

| Resolution | Settings | Avg FPS |

|------------|----------|---------|

| 3840x2160 | High | 37.2 |

| 3840x2160 | Low | 64 |

| 3840x2160 | Medium | 43.1 |

| 3840x2160 | Ultra | 29.6 |

| 2560x1440 | High | 58.7 |

| 2560x1440 | Low | 105.6 |

| 2560x1440 | Medium | 74.4 |

| 2560x1440 | Ultra | 48.3 |

| 1920x1080 | High | 90 |

| 1920x1080 | Low | 152.3 |

| 1920x1080 | Medium | 106.1 |

| 1920x1080 | Ultra | 68.3 |

The table shows a clear pattern: at each resolution, Low settings yield the highest frame rate, followed by Medium, High, and Ultra. The gap between Low and Ultra widens as resolution increases, with a 23.7 FPS difference at 1080p (152.3 vs 68.3) and a 34.4 FPS difference at 4K (64 vs 29.6). This indicates that the GPU's compute resources are more strained at higher resolutions, making the preset choice more impactful. At 1080p, even Ultra remains above 60 FPS, but at 1440p, only Low and Medium exceed 60 FPS. At 4K, only Low reaches 64 FPS, while all other presets fall below 45 FPS. These measurements provide a clear guide for users: 1080p can handle any preset, 1440p is best with Medium, and 4K requires Low.

GPU Role

The NVIDIA GeForce GTX 1080 Ti is a Pascal-architecture GPU with 11 GB of GDDR5X memory on a 352-bit bus, delivering 484.4 GB/s of bandwidth. Its base clock is 1481 MHz, with a boost clock of 1582 MHz, and it features 3584 shading units, 224 TMUs, and 88 ROPs. The GPU's FP32 performance is 11.34 TFLOPS, and its pixel rate is 139.2 GPixel/s. In synthetic benchmarks, it scores 18600 in Passmark G3D and 9632 in Passmark GPU compute, with a percentile vs all GPUs of 61. Its nearest rivals—GTX 780, Radeon Pro 560X, and TITAN Xp—are within 1.1% of its average score, indicating that the 1080 Ti is a strong mid-tier card. In Rust, the GPU is the primary bottleneck at 4K, as shown by the steep FPS drop from 1080p to 4K. At 1080p, the GPU can push 152.3 FPS on Low, but at 4K, even Low only reaches 64 FPS. The 11 GB VRAM is ample for Rust's textures, but the compute power is insufficient for high settings at 4K. The GPU's memory bandwidth of 484.4 GB/s helps maintain performance at 1440p, where Medium achieves 74.4 FPS. Overall, the GTX 1080 Ti is a capable card for 1080p and 1440p gaming, but its age shows at 4K, where only the lowest settings are playable.