Rust

The AMD Ryzen 5 5500X3D paired with the Intel Arc B390 produces a constrained gaming experience in Rust, with performance heavily dependent on resolution and quality settings. The data indicates that 1080p Low is the only configuration approaching a consistently playable frame rate, while higher settings and resolutions result in severe drops. This analysis breaks down the measured results to determine the optimal settings, the role of each component, and the overall ranking of this combination.

Settings Recommendations

Based on the measured FPS data, the Low preset at 1920x1080 is the only viable option for a responsive experience, yielding an average of 76 FPS. This is the single highest average frame rate recorded across all tested configurations and provides a significant margin over the next best option.

The Medium preset at 1920x1080 produces an average of 51 FPS, with a minimum of 44 FPS and a maximum of 59 FPS. While this is a substantial drop from Low, it remains technically playable for many users. However, the 25 FPS difference between Low and Medium at this resolution represents a 33% performance penalty, which is considerable for a visual fidelity increase that may not be necessary in a fast-paced survival game.

At 2560x1440, the Low preset is the only option that breaks the 60 FPS barrier, averaging 53 FPS. This is still below the 1080p Low result, indicating that the resolution increase carries a notable cost. The Medium preset at this resolution averages 35 FPS, which begins to feel sluggish for a game requiring quick reactions.

The High and Ultra presets are not recommended at any resolution. At 1080p, High averages 43 FPS and Ultra averages 33 FPS. At 1440p, these drop to 30 FPS and 23 FPS, respectively. At 4K, High averages 18 FPS and Ultra averages 13 FPS, making them effectively unplayable.

The data strongly suggests that users should prioritize frame rate over visual quality. The performance gap between Low and the next preset is the largest single-step drop in the data, indicating that the Low preset likely disables the most demanding effects. For a game like Rust, where survival depends on awareness and responsiveness, a stable 76 FPS at 1080p Low is the optimal configuration from the measured results.

CPU Role

The AMD Ryzen 5 5500X3D is a 6-core, 12-thread processor based on the Zen 3 architecture, with a base clock of 3.00 GHz and a boost clock of 4.00 GHz. It features a substantial 96 MB of shared L3 cache, which is a defining characteristic of the X3D series and is generally beneficial for gaming workloads. The CPU’s performance percentile is 85, indicating it outperforms the majority of tested processors.

The CPU’s benchmark scores show a strong multi-threaded capability, with a Passmark multithread score of 20363 and an integer math score of 60033. Its single-thread score is 2941, which is a crucial metric for gaming, as many game engines rely heavily on a few cores. The data shows that this CPU is competitive with its nearest rivals, such as the AMD Ryzen 5 5600F and the Intel Core Ultra 5 225, both of which have a deltaPct of 0.2.

In the context of Rust, the CPU's role is to handle game logic, entity updates, and world simulation. The large L3 cache likely helps with the game's procedural generation and the constant streaming of world data. The benchmark results suggest the CPU is not the primary bottleneck in this specific pairing, as even at 1080p Low, the frame rate is limited to 76 FPS, which is well below what this CPU is capable of in less GPU-bound scenarios.

The 5500X3D’s performance relative to its rivals is marginal. It scores 0.2% higher than the Ryzen 5 5600F and the Core Ultra 5 225, and 0.2% lower than the AMD Ryzen AI 7 PRO 450 and 0.3% lower than the Intel Core i9-12900T. These tiny deltas indicate that the CPU is positioned in a highly competitive performance tier, and the choice between them would likely come down to platform features rather than raw compute power. For this game, the CPU’s 12 threads provide ample parallelism for Rust’s background tasks, but the measured frame rates show that the GPU is the limiting factor.

GPU Role

The Intel Arc B390 is an integrated graphics processor (IGP) based on the Xe3-LPG architecture, built on a 3 nm process. It has a base clock of 300 MHz and a boost clock of 2500 MHz. A critical detail is that its memory is "System Shared," meaning it relies on the system's DDR4 RAM for video memory, with bandwidth that is "System Dependent." This is a major constraint for gaming, as shared memory bandwidth is typically far lower than dedicated VRAM.

The GPU’s compute specifications include 1536 shading units, 48 TMUs, and 24 ROPs. It has a pixel rate of 60.00 GPixel/s and a texture rate of 120.0 GTexel/s. The card supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4. However, its benchmark performance is very low, with a 3DMark Steel Nomad score of 1482, placing it in the 9th percentile of all GPUs.

This low percentile is reflected in the measured FPS. The GPU's nearest rivals are ancient, low-end discrete cards like the NVIDIA GeForce GT 520MX and GT 710, which are not designed for modern gaming. The Arc B390 scores 1.3% higher than the GT 520MX and 2.7% higher than the GT 710, indicating that its raw performance is in the same class as those decade-old parts.

In Rust, the GPU is responsible for rendering the scene, handling textures, and post-processing effects. The "System Shared" memory is a severe handicap, as the GPU must compete with the CPU for memory bandwidth. This explains why the frame rates drop so precipitously as settings and resolution increase. At 1080p Low, the lower texture detail and simpler effects reduce the memory bandwidth and shader load, allowing for the 76 FPS result. As settings increase, the demand on the GPU and memory subsystem rises, leading to the dramatic FPS drops observed. The GPU is unequivocally the bottleneck in this system.

How This Combo Ranks

The combination of the AMD Ryzen 5 5500X3D and Intel Arc B390 ranks 2601 out of 2953 tested combos for Rust. This places it in the bottom 12% of all configurations, confirming that this pairing is far from optimal for this title.

The high CPU percentile (85th) juxtaposed with the low GPU percentile (9th) creates a stark imbalance. The CPU is more than capable of feeding the GPU, but the GPU cannot keep up with the CPU's demands. This is a classic case of a system being heavily GPU-limited. The data suggests that the CPU is not the constraint; a more powerful GPU would yield significantly higher frame rates. However, with the current GPU, the system's overall ranking is dragged down by the graphics component.

The ranking of 2601 is a direct consequence of the GPU's inability to handle Rust's graphical load at higher settings. While the CPU ensures the game logic runs smoothly, the GPU fails to translate that into a playable frame rate. The combo's position in the bottom 12% indicates that most other systems, even those with weaker CPUs, likely perform better because they have more capable GPUs. This rank is a quantitative measure of the severe bottleneck created by the Arc B390.

FAQ

Q: What is the best resolution and settings to use for this system?

A: The data shows that 1920x1080 with the Low preset is the best configuration, producing an average of 76 FPS. This is the only tested setting that provides a frame rate above 60 FPS.

Q: Is the AMD Ryzen 5 5500X3D or the Intel Arc B390 the limiting factor?

A: The Intel Arc B390 is the limiting factor. The CPU has an 85th percentile performance ranking, while the GPU is in the 9th percentile. The frame rates are consistently low across all settings, indicating the GPU cannot keep up with the CPU.

Q: How does the Intel Arc B390 compare to its nearest rivals?

A: The Arc B390 scores 1.3% higher than the NVIDIA GeForce GT 520MX, 1.5% higher than the GeForce 800M, 2.5% higher than the GT 625 OEM, and 2.7% higher than the GT 710. This places it in the same performance tier as these very old, low-end GPUs.

Q: Can this system play Rust at 1440p?

A: Yes, but only at the Low preset, which averages 53 FPS. The Medium preset at 1440p averages 35 FPS, which is a significant drop and may be considered too slow for a competitive survival game.

Q: What is the performance difference between 1080p Low and 1080p Medium?

A: The average frame rate drops from 76 FPS at Low to 51 FPS at Medium at 1920x1080. This is a 25 FPS decrease, representing a 33% reduction in performance for the higher quality preset.

Q: What does a 4K resolution result look like?

A: At 3840x2160, all settings produce unplayable frame rates. The Low preset averages 31 FPS, Medium averages 21 FPS, High averages 18 FPS, and Ultra averages 13 FPS.

Measured FPS Breakdown

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

| Resolution | Settings | Avg FPS | Min FPS | Max FPS |

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

| 1920x1080 | Low | 76 | - | - |

| 1920x1080 | Medium | 51 | 44 | 59 |

| 1920x1080 | High | 43 | - | - |

| 1920x1080 | Ultra | 33 | - | - |

| 2560x1440 | Low | 53 | - | - |

| 2560x1440 | Medium | 35 | 30 | 41 |

| 2560x1440 | High | 30 | - | - |

| 2560x1440 | Ultra | 23 | - | - |

| 3840x2160 | Low | 31 | - | - |

| 3840x2160 | Medium | 21 | 18 | 24 |

| 3840x2160 | High | 18 | - | - |

| 3840x2160 | Ultra | 13 | - | - |

The data shows a clear hierarchy: lower settings and lower resolutions yield higher frame rates. The 1080p Low result of 76 FPS is the standout figure, while the 4K Ultra result of 13 FPS is the worst. The Medium presets at all resolutions are the only other configurations with recorded min and max values, showing a consistent frame time variance.

Resolution Scaling

The impact of resolution on performance is severe, highlighting the GPU's limited bandwidth and compute resources. Moving from 1920x1080 to 2560x1440 on the Low preset reduces the average FPS from 76 to 53, a drop of 23 FPS (or roughly 30%). This indicates that the GPU is already struggling with the increased pixel count at 1440p.

The scaling continues to worsen at 4K. At the Low preset, the FPS falls from 53 at 1440p to 31 at 3840x2160, a further drop of 22 FPS (or about 42%). The trend is similar for other settings. For instance, the Medium preset goes from 51 FPS at 1080p to 35 FPS at 1440p, and then to 21 FPS at 4K.

This non-linear scaling pattern suggests the system is severely bandwidth-limited. As the resolution increases, the demand on the "System Shared" memory grows, and the GPU's access to system memory becomes a critical bottleneck. The drop from 1080p to 1440p is significant, but the drop from 1440p to 4K is even more pronounced in relative terms. This is because the pixel count increase from 1440p to 4K (over 2.2x) requires a massive increase in memory traffic, which the shared memory architecture cannot provide. The CPU’s role becomes less relevant at higher resolutions, as the GPU is completely overwhelmed, making the 5500X3D’s strong multi-threading capabilities irrelevant to the final frame rate.