Rust

How This Combo Ranks

The Intel Core i5-9400 paired with the AMD Radeon RX 7600 XT lands at rank 2416 out of 3723 tested combinations in the database for Rust. That places this combo in the lower half of all recorded configurations, roughly the 35th percentile of tested systems. The ranking reflects a pairing where the GPU is decidedly modern and capable, while the CPU is an older six-core part that has been end-of-life for some time. The data shows this is not a top-tier combination for Rust, but the rank alone does not tell the full story, as the measured frame rates reveal a system that can handle the game at several settings levels.

The CPU sits at the 47th percentile among all processors in the database, with an average benchmark score of 2254. Its nearest rivals in the database include the Intel Core i7-1068NG7 (average score 2259, 0.2% faster), the Intel Core i7-10710U (2248, 0.3% slower), the AMD Ryzen 5 PRO 1500 (2246, 0.4% slower), and the Intel Core i3-10305 (2264, 0.4% faster). These deltas are tiny, meaning the i5-9400 is essentially neck-and-neck with a cluster of other mid-range parts. The GPU, by contrast, ranks at the 60th percentile among all graphics cards, with an average benchmark score of 17083. Its nearest rivals are the NVIDIA GeForce GTX 690 (17037, 0.3% slower), the AMD Radeon HD 7970M (17019, 0.4% slower), the NVIDIA GeForce RTX 3070 (17208, 0.7% faster), and the NVIDIA Tesla M4 (16932, 0.9% slower). Again, the deltas are small, placing the RX 7600 XT in a tight band of GPU performance.

The combination of a 47th-percentile CPU and a 60th-percentile GPU yields a system that is balanced in the sense that neither component is a dramatic outlier, but the overall rank of 2416 suggests that Rust is demanding enough to push this pairing down the list. The game is known for its heavy server-side and simulation workloads, which tend to lean on the CPU, and the i5-9400's six cores and six threads may be a limiting factor at higher resolutions where the GPU is also under load. The recorded data indicates that the combo performs admirably at 1080p, but the margin for error shrinks as resolution climbs.

CPU and GPU Roles

The measured FPS data reveals a clear pattern in how the CPU and GPU divide responsibilities across resolutions. At 1920x1080, the system delivers 142 FPS on Low settings, which is a strong indicator that the CPU is keeping up with the GPU at lower graphical loads. The gap between Low and Ultra at 1080p is substantial: 142 FPS down to 62 FPS, a drop of 80 FPS. That scaling is almost entirely driven by the GPU, as the RX 7600 XT is being tasked with more pixel work and shader complexity at Ultra. The CPU has enough headroom at this resolution to feed the GPU adequately, as evidenced by the fact that even the most demanding preset stays above the 60 FPS threshold.

At 2560x1440, the picture shifts. Low settings produce 99 FPS, which is still well above playable, but the drop from 1080p Low (142 FPS) to 1440p Low (99 FPS) is 43 FPS, a 30% reduction. Medium at 1440p yields 67 FPS, and High drops to 56 FPS, just below the 60 FPS playable threshold. The scaling from Low to Ultra at 1440p is 99 to 43 FPS, a 56 FPS spread. Here, the CPU is still managing, but the GPU is beginning to strain. The fact that High at 1440p falls below 60 FPS while Low and Medium stay above suggests that the RX 7600 XT is the primary bottleneck at this resolution, as the CPU's role in frame generation is less pronounced when the GPU is already struggling with the pixel count.

At 3840x2160, the GPU clearly dominates the performance picture. Low settings yield 59 FPS, almost exactly at the 60 FPS threshold but just under it, while Medium drops to 39 FPS and High to 33 FPS. Ultra is a slideshow at 25 FPS. The step from 1440p Low (99 FPS) to 4K Low (59 FPS) is a 40 FPS loss, and the pattern holds across all settings. The CPU is no longer the limiting factor at this resolution; the RX 7600 XT's 16 GB of memory and 128-bit bus are simply not enough to push high frame rates at 4K. The data suggests that for 1080p and 1440p gaming, the i5-9400 is a competent partner, but at 4K, the GPU is the sole determinant of playability.

Measured FPS Breakdown

At 1920x1080, the recorded frame rates are strong across all presets. Low settings average 142 FPS, which is more than double the playable threshold. Medium averages 97 FPS, with a minimum of 82 and a maximum of 112. High averages 82 FPS, and Ultra averages 62 FPS. The Ultra figure is noteworthy: it is just 2 FPS above the 60 FPS playable line, meaning this combo can run Rust at maximum settings at 1080p, but with little headroom for complex scenes or heavy server activity. The minimum FPS is only recorded for Medium (82 FPS), but the average at Ultra suggests that dips below 60 are possible in demanding moments.

At 2560x1440, the data shows a more constrained picture. Low averages 99 FPS, which is comfortable. Medium averages 67 FPS, with a minimum of 57 and a maximum of 77. The minimum of 57 FPS is below the 60 FPS playable threshold, indicating that Medium at 1440p can briefly drop under the line during intense gameplay. High averages 56 FPS, just under the threshold, and Ultra averages 43 FPS. The gap between Medium and High is 11 FPS, while the gap between High and Ultra is 13 FPS. This suggests that the GPU is scaling predictably with settings, but the system cannot sustain 60 FPS at High or Ultra at this resolution.

At 3840x2160, the system struggles across the board. Low averages 59 FPS, which is 1 FPS below the playable threshold. Medium averages 39 FPS, with a minimum of 34 and a maximum of 45. High averages 33 FPS, and Ultra averages 25 FPS. The drop from Low to Medium is 20 FPS, the largest single-step decline in the entire dataset, indicating that even modest graphical improvements at 4K tax the GPU heavily. The minimum FPS of 34 at Medium confirms that this resolution is not viable for smooth gameplay, as even the average at Low is below 60.

The Verdict

The Intel Core i5-9400 and AMD Radeon RX 7600 XT can run Rust, but the playable resolutions are clearly delineated in the database. At 1920x1080, every preset clears the 60 FPS threshold: Low (142 FPS), Medium (97 FPS), High (82 FPS), and Ultra (62 FPS). This is the sweet spot for this combo, where the CPU and GPU work in harmony to deliver a smooth experience even at maximum settings.

At 2560x1440, the system is playable only on Low (99 FPS) and Medium (67 FPS). High (56 FPS) and Ultra (43 FPS) fall short of the 60 FPS mark. The best playable setting at this resolution is Medium, which averages 67 FPS, though the minimum of 57 FPS shows that dips below 60 can occur. At 3840x2160, no preset reaches the 60 FPS threshold. The best result is Low at 59 FPS, which is technically under the playable line. The verdict is clear: this combo is a 1080p machine for Rust, with acceptable 1440p performance only on reduced settings, and no viable 4K options.

FAQ

Q: Can this PC run Rust at 1080p on Ultra settings?

A: Yes. The database records an average of 62 FPS at 1920x1080 on Ultra, which is above the 60 FPS playable threshold.

Q: What is the best playable setting at 2560x1440?

A: Medium is the best playable setting at 1440p, with an average of 67 FPS. High and Ultra both fall below 60 FPS.

Q: Is 4K gaming possible with this combo?

A: No. The highest average at 3840x2160 is 59 FPS on Low, which is just below the 60 FPS playable threshold. All other 4K presets are well under 60 FPS.

Q: How does the CPU compare to its nearest rivals in the database?

A: The Intel Core i5-9400 has an average benchmark score of 2254. Its closest rival, the Intel Core i7-1068NG7, scores 2259 (0.2% faster), while the Intel Core i3-10305 scores 2264 (0.4% faster). The differences are minimal.

Q: What is the minimum FPS recorded for this combo at 1080p Medium?

A: The minimum FPS at 1920x1080 Medium is 82, with an average of 97 and a maximum of 112.

Q: How does the GPU rank among all graphics cards?

A: The AMD Radeon RX 7600 XT is at the 60th percentile among all GPUs, with an average benchmark score of 17083. Its nearest rival, the NVIDIA GeForce RTX 3070, scores 17208 (0.7% faster).

Best Settings per Resolution

For 1920x1080, the most demanding preset that stays at or above 60 FPS is Ultra, which averages 62 FPS. This is the optimal choice for maximum visual quality while maintaining playability. For 2560x1440, the best setting is Medium, averaging 67 FPS. This provides a solid frame rate with a moderate visual upgrade over Low. For 3840x2160, there is no playable setting, as even Low averages 59 FPS, which is below the 60 FPS threshold. The database lists no best setting for 4K, as none of the presets meet the playable standard.

Similar Performance Alternatives

For the CPU, the Intel Core i5-9400's nearest rivals in the database are all within a fraction of a percent in average benchmark score. The Intel Core i7-1068NG7 (0.2% faster), the Intel Core i7-10710U (0.3% slower), the AMD Ryzen 5 PRO 1500 (0.4% slower), and the Intel Core i3-10305 (0.4% faster) would all behave nearly identically in Rust. The i3-10305 is the strongest of the group, but the differences are so small that users would not notice a change in frame rates.

For the GPU, the AMD Radeon RX 7600 XT's nearest rivals include the NVIDIA GeForce GTX 690 (0.3% slower), the AMD Radeon HD 7970M (0.4% slower), the NVIDIA GeForce RTX 3070 (0.7% faster), and the NVIDIA Tesla M4 (0.9% slower). The RTX 3070 is the most notable alternative, as it edges out the RX 7600 XT in raw benchmark score, which might translate to a few extra frames in Rust at 1080p or 1440p. The GTX 690 and HD 7970M are older parts that would likely show their age in other games, but in Rust, the recorded scores suggest they would land in a similar performance band. The Tesla M4 is a compute-focused card, but its benchmark score places it close enough that it would also produce similar frame rates in this title.