Rust

The Intel Core Ultra 5 225 and AMD Radeon RX 7900 XTX combination delivers a solid 1080p experience in Rust, but the data reveals a system where the CPU’s capabilities are often the limiting factor at lower resolutions. This analysis breaks down the measured performance across resolutions and settings, examining the specific roles of the processor and graphics card.

CPU Role — cores, clocks, and how they relate to this game's results

The Intel Core Ultra 5 225 is a 10-core, 10-thread processor based on the Arrow Lake architecture. It operates with a base clock of 3.30 GHz and a boost clock of 4.90 GHz. This configuration, with no hyper-threading, provides 10 physical cores for the game to utilize. The processor’s 20 MB of shared L3 cache is a key resource for a game like Rust, which features large, persistent worlds with many entities that need to be tracked. The benchmark results for this CPU show strong single-thread performance, with a Cinebench R23 single-core score of 3655, which is critical for Rust’s primary game logic and physics thread.

The performance data indicates that this CPU is more than capable of driving high frame rates. At 1080p with Low settings, the system achieves an average of 258 FPS, a figure that is heavily dependent on CPU throughput rather than GPU capability. The transition from Low to Medium settings at 1080p sees a significant drop to 176 FPS, which suggests the increased draw calls and object complexity are starting to tax the processor. The CPU’s PassMark multithread score of 30459 places it in the 85th percentile of all CPUs, indicating it has substantial headroom for multi-threaded workloads like Rust’s server-side and world simulation tasks.

Comparing the Ultra 5 225 to its nearest rivals, its average benchmark score of 36938 is virtually identical to the AMD Ryzen 5 5600F, which scores 36945 (0% delta). It is also on par with the AMD Ryzen 5 5500X3D, which has a 0.2% lower score. This puts the Core Ultra 5 225 in a competitive position for gaming, but the data shows that at lower resolutions, the CPU is the bottleneck. The fact that the 1080p Low setting yields 258 FPS while the 4K Low setting yields only 107 FPS highlights that the CPU’s role is to push frames as fast as possible, but the GPU’s workload increases with resolution, making it the limiting factor at higher resolutions. The CPU’s 10 cores and 10 threads are sufficient to avoid massive frame rate collapses, but the game’s engine appears to be sensitive to the memory bandwidth and cache latency that the processor provides.

GPU Role — VRAM, clocks, and how they relate to this game's results

The AMD Radeon RX 7900 XTX is a high-end graphics card built on the RDNA 3.0 architecture with the Navi 31 chip. It features 24 GB of GDDR6 memory on a 384-bit bus, providing a massive 960.0 GB/s of memory bandwidth. The GPU has a base clock of 1929 MHz and a boost clock of 2498 MHz. This substantial memory capacity and bandwidth are crucial for Rust, which can use large texture pools and has a tendency to consume significant VRAM at high resolutions and settings. The GPU’s 6144 shading units and 192 ROPs give it immense raw rasterization power, which is reflected in its PassMark G3D score of 31238.

The benchmark data shows that the RX 7900 XTX is the primary driver of performance at 4K resolution. At 3840x2160, the average frame rate scales directly with the graphics settings: 46 FPS at Ultra, 60 FPS at High, 72 FPS at Medium, and 107 FPS at Low. This scaling pattern is a classic indication of a GPU-bound scenario. The GPU is fully utilized, and its performance dictates the final frame rate. The 24 GB of VRAM ensures that there is no memory capacity issue even at 4K Ultra, meaning the performance differences are purely due to the GPU’s compute and fill-rate limits.

However, the GPU’s role diminishes at 1080p. At 1920x1080 with Low settings, the system hits 258 FPS, which is far below what the RX 7900 XTX could theoretically deliver if it were the sole bottleneck. This suggests the CPU is holding the system back from reaching even higher frame rates. The GPU’s performance is still strong at 1080p High (149 FPS), but the frame rate is no longer scaling as dramatically with resolution changes, indicating that the CPU is starting to cap the output. The GPU’s average benchmark score of 19410 places it in the 64th percentile, but its nearest rivals include the NVIDIA GeForce GTX 1060 3 GB (0.4% higher score) and the NVIDIA TITAN Xp (1.2% higher score), which are far less powerful cards in real-world gaming. This discrepancy highlights that raw synthetic benchmarks do not always translate directly to gaming performance, and in Rust’s case, the RX 7900 XTX is clearly a high-end part that is often waiting on the CPU.

Resolution Scaling — how FPS drops from 1080p to 4K and what it says about the limiting component

The measured data provides a clear picture of how the system’s bottleneck shifts with resolution. At 1080p Low, the average FPS is 258. Moving to 1440p Low, the FPS drops to 181, a 30% decrease. At 4K Low, the FPS falls to 107, which is a 59% decrease from the 1080p figure. This steep decline in performance as resolution increases is a textbook sign of the GPU becoming the limiting factor. The CPU is capable of preparing frames at a very high rate, but the GPU must process more pixels at higher resolutions, and its workload grows faster than the CPU’s.

The scaling is even more pronounced at higher settings. At 1080p Ultra, the average FPS is 113. At 1440p Ultra, it drops to 78 FPS (a 31% decrease), and at 4K Ultra, it plummets to 46 FPS (a 59% decrease from 1080p). This shows that the GPU is the primary constraint at higher settings and resolutions, as the gap between 1080p and 4K performance remains consistent. The fact that the 1080p Low frame rate (258 FPS) is over double the 4K Low frame rate (107 FPS) confirms that the RX 7900 XTX is the performance limiter at 4K, while the CPU is the limiter at 1080p.

The data suggests that the system is well-balanced for 1440p gaming. At 1440p High, the system achieves 102 FPS, which is a very playable frame rate. The drop from 1080p High (149 FPS) to 1440p High (102 FPS) is a 32% reduction, which is a typical scaling factor for a GPU-bound workload. The most significant insight is that the CPU is not able to push much beyond 258 FPS at 1080p Low, which means that for users with high-refresh-rate 1080p monitors, the CPU will be the bottleneck, preventing the GPU from reaching its full potential. At 4K, the GPU is clearly the limiting factor, with the frame rate at all settings being significantly lower than at 1080p, regardless of the CPU’s capability.

Settings Recommendations — which preset gives the best experience per the measured rows

Based on the measured FPS data, the optimal settings depend heavily on the target resolution and desired frame rate. For 1080p gaming, the Medium preset offers an excellent balance. It delivers an average of 176 FPS, which is high enough for competitive play, and the minimum FPS of 150 ensures that there are no noticeable stutters. The jump from Low to Medium costs 82 FPS (from 258 to 176), but the visual improvement is substantial, making it the best choice for a smooth and visually appealing experience. The High preset at 1080p also provides a great experience at 149 FPS, but the Medium preset’s higher minimum FPS makes it a more stable option.

For 1440p, the High preset is the recommended choice. The average FPS of 102 is ideal for a 100Hz or 120Hz monitor, and the visual quality is significantly better than Medium. The Medium preset at 1440p provides 121 FPS, but the High preset’s increase in visual fidelity is worth the 19 FPS drop. The Ultra preset at 1440p (78 FPS) is playable, but it is not as fluid as High and may not be worth the performance cost. For 4K, the Medium preset is the most sensible option. It provides an average of 72 FPS with a minimum of 61 FPS, which is just at the edge of smooth gameplay. The High preset at 4K (60 FPS) is also playable, but the Medium preset’s higher minimum FPS of 61 provides a more consistent experience than High’s lack of a minimum FPS figure. The Ultra preset at 4K (46 FPS) is not recommended for a smooth experience.

In summary, the data suggests that using the Medium preset at 4K, High at 1440p, and Medium at 1080p provides the best balance of visual quality and performance. The Low preset is only recommended for users who prioritize maximum frame rates above all else, as it achieves 258 FPS at 1080p but looks significantly worse than Medium.

FAQ

Q: What is the average FPS at 1080p with High settings?

A: The system achieves an average of 149 FPS at 1920x1080 with the High preset.

Q: Is the CPU or GPU the bottleneck at 4K resolution?

A: The GPU is the primary bottleneck at 4K. The frame rate drops significantly from 1080p to 4K (e.g., from 258 to 107 FPS at Low settings), which is a clear sign of GPU limitation.

Q: What is the minimum FPS recorded at 1440p with Medium settings?

A: The minimum FPS at 2560x1440 with Medium settings is 103 FPS, with a maximum of 139 FPS.

Q: How does the Ultra 5 225's performance compare to the AMD Ryzen 5 5600F?

A: The two processors have nearly identical average benchmark scores. The Intel Core Ultra 5 225 scores 36938, while the AMD Ryzen 5 5600F scores 36945, a delta of 0%.

Q: Can the system handle 4K Ultra settings?

A: The system can run 4K Ultra settings, but the average FPS is only 46, which is not smooth for most players. For a better experience, Medium settings at 4K are recommended.

Q: What is the maximum FPS recorded in the entire dataset?

A: The highest average FPS is 258, achieved at 1920x1080 with Low settings.

Measured FPS Breakdown — resolution by resolution, settings by settings, exact numbers

The following table details the exact measured average FPS for each resolution and settings preset combination.

| Resolution | Settings | Average FPS | Min FPS | Max FPS |

| :--------- | :------- | :---------- | :------ | :------ |

| 3840x2160 | High | 60 | - | - |

| 3840x2160 | Low | 107 | - | - |

| 3840x2160 | Medium | 72 | 61 | 82 |

| 3840x2160 | Ultra | 46 | - | - |

| 2560x1440 | High | 102 | - | - |

| 2560x1440 | Low | 181 | - | - |

| 2560x1440 | Medium | 121 | 103 | 139 |

| 2560x1440 | Ultra | 78 | - | - |

| 1920x1080 | High | 149 | - | - |

| 1920x1080 | Low | 258 | - | - |

| 1920x1080 | Medium | 176 | 150 | 203 |

| 1920x1080 | Ultra | 113 | - | - |

The data shows a clear performance hierarchy. At 1080p, the system is capable of very high frame rates, especially at Low settings. As resolution increases, the frame rates drop consistently across all settings, with the most significant impact seen at 4K. The Medium settings are the only preset that provides minimum and maximum FPS data, indicating it is the most stable configuration across all resolutions. For example, at 1080p Medium, the frame rate ranges from 150 to 203 FPS, while at 4K Medium, it ranges from 61 to 82 FPS. This consistency makes Medium the most reliable preset for a smooth experience. The Ultra preset, while offering the best visuals, results in the lowest frame rates, making it suitable only for users with lower refresh rate displays or those who prioritize image quality over responsiveness. The overall combination ranks 288th out of 2953 tested combos in this game, placing it in the top 10% of configurations, which is a strong indicator of its overall capability.