Rust

# Intel Core i9-14900K + NVIDIA GeForce RTX 5090 in Rust

This combination places 4th out of 1717 tested combos in Rust, putting it in the top 0.2% of all systems measured. The pairing of Intel's 24-core, 32-thread Raptor Lake flagship with NVIDIA's Blackwell 2.0-based RTX 5090 delivers exceptional frame rates across all resolutions, though the data reveals interesting scaling behavior that points to where the bottleneck shifts as you move from 1080p to 4K. The Core i9-14900K sits in the 97th percentile among all CPUs, while the RTX 5090 holds the 94th percentile among GPUs, so both components are near the top of their respective hierarchies.

FAQ

Q: What is the best performing settings preset for this combo?

A: Low settings consistently produce the highest average FPS at every resolution. At 1080p, Low yields 275.7 FPS, which is 55 FPS higher than Medium and 135.3 FPS higher than Ultra. The gap narrows at 4K, but Low still leads with 137.2 FPS versus 90.3 FPS on Medium and 56.2 FPS on Ultra.

Q: How does this combo rank against other tested systems in Rust?

A: The Intel Core i9-14900K with RTX 5090 ranks 4th out of 1717 tested combinations. This places it in the top percentile of all systems, with only three other configurations achieving higher average performance in this game.

Q: Is the CPU or GPU the limiting factor at 1080p?

A: The data suggests the CPU becomes more relevant at 1080p. The RTX 5090's massive 32 GB GDDR7 memory and 1.79 TB/s bandwidth are underutilized at this resolution, while the Core i9-14900K's 6.00 GHz boost clock and 36 MB shared L3 cache handle the game's simulation and entity processing. The relatively small FPS drop from Low to Medium settings (54.8 FPS) indicates the GPU has headroom.

Q: What kind of performance can I expect at 1440p?

A: At 2560x1440, the combo delivers 227.3 FPS on Low, 153.6 FPS on Medium, 132.1 FPS on High, and 97.5 FPS on Ultra. This resolution represents a sweet spot where all presets remain highly playable, with even Ultra settings maintaining nearly triple-digit frame rates.

Q: Does the RTX 5090's 32 GB VRAM matter for Rust?

A: While Rust is not typically VRAM-hungry, the 32 GB GDDR7 capacity ensures no memory-related stutters regardless of settings or resolution. The 512-bit memory bus and 1.79 TB/s bandwidth also help maintain consistent frame pacing when large bases or dense environments are rendered.

Q: How does the Core i9-14900K compare to its nearest rivals?

A: The Core i9-14900K's average benchmark score is 79824. It sits 0.3% behind the AMD EPYC 7413 (which scores 80041), but 0.7% ahead of both the Intel Core i9-14900KF and Intel Core Ultra 7 265KF, and 0.9% ahead of the Intel Core Ultra 7 265K.

GPU Role

The NVIDIA GeForce RTX 5090 is built on the GB202 chip with a 5 nm process from TSMC, packing 92,200 million transistors into a 750 mm² die. Its base clock runs at 2017 MHz with a boost clock of 2407 MHz, while the 32 GB of GDDR7 memory operates at 1750 MHz with 28 Gbps effective speed across a 512-bit bus. This configuration yields 1.79 TB/s of memory bandwidth, which is critical for feeding the 21,760 shading units at high resolutions.

In Rust, the GPU's role varies dramatically based on settings and resolution. At 1080p Low, the RTX 5090 produces 275.7 FPS, indicating that the GPU is nowhere near its limits. The 104.8 TFLOPS FP32 compute and 1,636.8 GTexel/s texture rate are barely stressed. However, when Ultra settings are enabled at 4K, the frame rate drops to 56.2 FPS, showing that the GPU's rendering load increases substantially. The 176 ROPs and 680 TMUs handle the increased pixel and texture work, but the game's draw calls and object complexity still create a bottleneck.

The RTX 5090's 170 RT cores and 680 tensor cores provide headroom for future updates or mods that might add ray tracing or DLSS features, though the current data shows no such workloads in Rust. The GPU's 94th percentile ranking among all GPUs, with an average benchmark score of 84306, places it just 0.1% ahead of the RTX 5090 D and 0.2% ahead of the RTX 5050 Mobile in synthetic tests. This consistency suggests the card performs uniformly across different workloads.

Settings Recommendations

The measured data shows a clear pattern: Low settings deliver the highest average FPS at every resolution, and the performance gap between presets shrinks as resolution increases. At 1080p, Low hits 275.7 FPS, Medium drops to 220.9 FPS (a 19.9% reduction), High falls to 188.3 FPS, and Ultra bottoms out at 140.4 FPS. This means moving from Low to Ultra at 1080p costs 135.3 FPS, which is substantial.

At 1440p, the same progression shows Low at 227.3 FPS, Medium at 153.6 FPS, High at 132.1 FPS, and Ultra at 97.5 FPS. The gap between Low and Ultra narrows to 129.8 FPS. At 4K, Low delivers 137.2 FPS, Medium drops to 90.3 FPS, High falls to 75 FPS, and Ultra reaches only 56.2 FPS. Here, the Low-to-Ultra gap is 81 FPS.

For competitive play, Low settings at any resolution are the clear choice, as they maximize frame rate and minimize input latency. For a balanced experience, Medium at 1440p offers 153.6 FPS, which remains well above the 144 Hz refresh rate common on gaming monitors. High at 1440p (132.1 FPS) also stays within high-refresh territory. Ultra is playable only at 1080p (140.4 FPS) or 1440p (97.5 FPS), but at 4K it falls below 60 FPS, making it unsuitable for smooth gameplay.

How This Combo Ranks

This CPU-GPU combination achieves rank 4 out of 1717 tested combos in Rust, placing it in the 99.8th percentile of all systems measured. This top-tier ranking reflects both components' strengths: the Core i9-14900K's 24 cores and 32 threads handle Rust's simulation-heavy gameplay, while the RTX 5090 provides enough raw graphics power to push high frame rates across all resolutions.

The Core i9-14900K's nearest rivals show how competitive the CPU market is at this level. The AMD EPYC 7413 scores 80041 (0.3% higher), while the Intel Core i9-14900KF scores 79245 (0.7% lower), and the Intel Core Ultra 7 265K scores 79102 (0.9% lower). These differences are small, but in a game like Rust where CPU performance matters for server-side and simulation tasks, even small deltas can affect minimum frame times.

The RTX 5090's nearest rivals similarly cluster closely. The RTX 5090 D scores 84241 (0.1% lower), the RTX 5050 Mobile scores 84171 (0.2% lower), and the AMD Radeon PRO W6600 scores 83209 (1.3% lower). The NVIDIA CMP 40HX scores 85637 (1.6% higher), which shows that raw compute benchmarks don't always translate directly to gaming performance.

Resolution Scaling

The FPS scaling from 1080p to 4K reveals where the bottleneck lies. At Low settings, performance drops from 275.7 FPS at 1080p to 227.3 FPS at 1440p (a 17.6% reduction) and then to 137.2 FPS at 4K (a 50.2% reduction from 1440p). This progressive decline suggests the CPU becomes less of a factor as resolution increases, allowing the GPU to become the primary limiter.

At Ultra settings, the scaling is more dramatic: 140.4 FPS at 1080p drops to 97.5 FPS at 1440p (30.6% reduction) and then to 56.2 FPS at 4K (42.4% reduction from 1440p). The steeper drop from 1080p to 1440p indicates that Ultra settings place significantly more load on the GPU's shading units and ROPs, which are finite resources.

The data shows that at 1080p, the RTX 5090 is not fully utilized even with Ultra settings, as the Core i9-14900K can only feed it so many frames per second. At 4K, the GPU's workload increases enough that frame rates become more reasonable relative to its theoretical capabilities. The 1.79 TB/s memory bandwidth helps at higher resolutions, but the 32 GB VRAM is clearly not a limiting factor in this game.

Measured FPS Breakdown

1920x1080:

• Low: 275.7 FPS average
• Medium: 220.9 FPS average (19.9% lower than Low)
• High: 188.3 FPS average (31.7% lower than Low)
• Ultra: 140.4 FPS average (49.1% lower than Low)

2560x1440:

• Low: 227.3 FPS average
• Medium: 153.6 FPS average (32.4% lower than Low)
• High: 132.1 FPS average (41.9% lower than Low)
• Ultra: 97.5 FPS average (57.1% lower than Low)

3840x2160:

• Low: 137.2 FPS average
• Medium: 90.3 FPS average (34.2% lower than Low)
• High: 75 FPS average (45.3% lower than Low)
• Ultra: 56.2 FPS average (59.0% lower than Low)

Across all resolutions, the performance penalty for each settings tier remains relatively consistent, with Ultra costing roughly half the FPS of Low at each resolution. The RTX 5090's 423.6 GPixel/s pixel rate and 1,636.8 GTexel/s texture rate are sufficient to handle even the most demanding preset at 1080p, but the 4K Ultra result of 56.2 FPS shows that even this flagship GPU needs settings adjustments to maintain high refresh rates at maximum resolution.