Rust

The Intel Core i5-12600KF paired with the Intel Arc B390 is a severely GPU-limited configuration for Rust. The recorded data shows that this combination only achieves a playable 60 FPS at 1080p with Low settings, hitting an average of 76 FPS. At every other resolution and preset, the system falls short of the 60 FPS threshold, making this a build for the absolute lowest end of playability.

Measured FPS Breakdown

The database contains measured FPS results for three resolutions and four quality presets. The data is sparse on min and max values, with only the Medium preset providing those figures, but the averages paint a clear picture of performance scaling.

At 3840x2160 (4K), the results are uniformly poor. The High preset delivers an average of 18 FPS. Dropping to Medium raises the average to 21 FPS, with a recorded range of 18 to 24 FPS. The Low preset improves the average to 31 FPS, which is still far below the 60 FPS playability threshold. The Ultra preset bottoms out at an average of 13 FPS. No 4K setting produces a smooth experience; even the best case, Low, only reaches 31 FPS, which is barely half of the required frame rate.

Moving down to 2560x1440 (1440p) shows meaningful gains but remains below the playable line. The High preset averages 30 FPS. Medium increases this to 35 FPS, with a min of 30 and a max of 41 FPS. Low is the strongest preset here, averaging 53 FPS, a solid improvement over 4K but still 7 FPS short of the 60 FPS target. Ultra averages 23 FPS. The gap between Low and Medium at this resolution is 18 FPS, while the gap between Medium and High is 5 FPS, indicating diminishing returns as settings rise.

At 1920x1080 (1080p), the results finally approach usability. The High preset averages 43 FPS. Medium averages 51 FPS, with a min of 44 and a max of 59 FPS, meaning even the peak frame rate during Medium gameplay stays just under the 60 FPS line. Low breaks through, averaging 76 FPS, which clears the threshold with a 16 FPS margin. Ultra averages 33 FPS. The scaling from High to Low at 1080p is 33 FPS, the largest jump between any two preset tiers recorded in the data.

Across all resolutions, the trend is consistent: Low settings always provide the highest average FPS, and Ultra always provides the lowest. The Medium preset is the only one with complete min and max data, and it shows that frame pacing at 1080p Medium (44 to 59 FPS) is tight, but the ceiling is still below 60 FPS.

FAQ

Q: Can this PC run Rust at 4K with playable frame rates?

A: No. The highest average FPS at 3840x2160 is 31 FPS on Low settings. Medium averages 21 FPS, High averages 18 FPS, and Ultra averages 13 FPS. None of these approach the 60 FPS playability threshold.

Q: What is the best settings preset at 1440p for this combo?

A: Low is the best preset at 2560x1440, producing an average of 53 FPS. However, this still falls short of the 60 FPS target. Medium averages 35 FPS, High averages 30 FPS, and Ultra averages 23 FPS.

Q: Which settings preset at 1080p exceeds the 60 FPS playable mark?

A: Only the Low preset at 1920x1080 exceeds 60 FPS, averaging 76 FPS. All other presets at 1080p fall below: Medium averages 51 FPS, High averages 43 FPS, and Ultra averages 33 FPS.

Q: How does the Medium preset's frame range compare across resolutions?

A: The Medium preset has recorded min and max values. At 3840x2160, it ranges from 18 to 24 FPS. At 2560x1440, it ranges from 30 to 41 FPS. At 1920x1080, it ranges from 44 to 59 FPS. The spread widens as resolution drops, from 6 FPS at 4K to 15 FPS at 1080p.

Q: Is there any resolution where the Ultra preset is viable?

A: No. Ultra averages 13 FPS at 4K, 23 FPS at 1440p, and 33 FPS at 1080p. The highest Ultra average is 33 FPS, which is less than half of the 60 FPS target.

Q: What is the performance gap between the lowest and highest presets at each resolution?

A: At 3840x2160, the gap between Low (31 FPS) and Ultra (13 FPS) is 18 FPS. At 2560x1440, the gap is 30 FPS (Low at 53, Ultra at 23). At 1920x1080, the gap is 43 FPS (Low at 76, Ultra at 33). The performance cost of Ultra over Low grows significantly as resolution decreases.

CPU and GPU Roles

The recorded data reveals that the Intel Arc B390 is the dominant bottleneck in this pairing. The CPU, an Intel Core i5-12600KF, is a capable desktop processor with 10 cores and 16 threads, but it is paired with an integrated-class GPU that has a low benchmark standing. The GPU's percentile ranking versus all GPUs is 9, placing it in the bottom decile. Its average benchmark score is 1482, and its nearest rivals include the NVIDIA GeForce GT 520MX and GT 625 OEM, both of which are entry-level parts from older generations.

The scaling between resolutions confirms the GPU's limiting role. Moving from 1080p Low (76 FPS) to 1440p Low (53 FPS) results in a 30% drop in frame rate. Moving from 1440p Low (53 FPS) to 4K Low (31 FPS) results in a 42% drop. This steep decline as pixel count increases is characteristic of a GPU-bound scenario. The CPU, with a percentile ranking of 79 against all CPUs, has far more headroom than the GPU is capable of using.

The preset scaling also points to GPU limits. At 1080p, the difference between High (43 FPS) and Low (76 FPS) is 33 FPS, a substantial gain from lowering graphical load. At 4K, the same preset change yields only a 13 FPS gain (18 to 31 FPS). This suggests that at higher resolutions, the GPU is so saturated that even reducing settings provides limited relief. The CPU is unlikely to be the constraint, as its benchmark scores (Cinebench R23 multi-core at 23391 and single-core at 3302) are well above what Rust's typical workload would demand. The data indicates that the GPU is the primary determinant of performance at every resolution tested.

How This Combo Ranks

The combination of the Intel Core i5-12600KF and Intel Arc B390 ranks 3312 out of 3723 tested combos in the database for Rust. This places it in the bottom 11% of all configurations recorded. The rank reflects a system that is functional but near the tail end of the performance distribution.

The CPU itself is not the cause of this low ranking. The i5-12600KF sits in the 79th percentile of all CPUs, with an average benchmark score of 27799. Its nearest rivals include the AMD Ryzen 7 5800X3D, which scores 27896 (a 0.3% difference), and the Intel Core i9-10900K, which scores 27872 (a 0.3% difference). These are strong processors by any measure. The GPU, however, drags the overall combo down. The Arc B390 sits in the 9th percentile of all GPUs, and its nearest rivals, such as the NVIDIA GeForce GT 710 with a score of 1443, are decades-old parts. The massive imbalance between CPU strength and GPU weakness is the reason this combo ranks so poorly.

Similar Performance Alternatives

For the CPU, the Intel Core i5-12600KF has several nearby alternatives in the database. The Intel Core i9-10900K has an average score of 27872, a 0.3% difference from the i5-12600KF's 27799. The AMD Ryzen 7 5800X3D scores 27896, also 0.3% higher. The AMD Ryzen 7 6800U scores 27887 (0.3% higher), and the AMD Ryzen 5 8500GE scores 27712 (0.3% lower). All of these processors would behave nearly identically in Rust, meaning the CPU is not a differentiating factor for this game.

For the GPU, the Intel Arc B390's nearest rivals are all much older NVIDIA parts. The NVIDIA GeForce GT 520MX scores 1463, which is 1.3% lower than the Arc B390's 1482. The NVIDIA GeForce 800M scores 1460 (1.5% lower), the NVIDIA GeForce GT 625 OEM scores 1446 (2.5% lower), and the NVIDIA GeForce GT 710 scores 1443 (2.7% lower). These GPUs would deliver nearly indistinguishable frame rates in Rust. If a user were considering a swap to one of these alternatives, the performance would be essentially the same, meaning no meaningful upgrade or downgrade exists within this GPU tier.

The Verdict

The verdict from the database is clear: this PC cannot run Rust at a playable level in most configurations. The playability threshold is 60 FPS. At 3840x2160, no settings preset is playable; the best average is 31 FPS on Low. At 2560x1440, no settings preset is playable; the best average is 53 FPS on Low. At 1920x1080, only the Low preset clears the threshold, with an average of 76 FPS. The best settings for 1080p are Low, and the average FPS at that setting is 76.

The data indicates that a user with this combo would need to run the game at 1080p with the lowest possible graphical settings to achieve a smooth experience. Even then, the margin above the 60 FPS line is only 16 FPS, which could be vulnerable to dips during intense scenes, though the recorded data does not provide min FPS values for the Low preset to confirm stability. For 1440p or 4K, this system is not viable for playable frame rates, and for 1080p Medium or higher, it also falls short. The Intel Arc B390 is the clear limiting factor, and the strong CPU cannot compensate for the GPU's low performance tier.