Rust

How This Combo Ranks

The Intel Core i5-9400 paired with the AMD Radeon RX 5700 XT ranks 2699 out of 3723 tested combos in Rust, placing it in the lower half of the database. This position reflects a configuration that is clearly functional but far from top-tier, and the ranking makes sense given the hardware's age and tier. The CPU sits at the 47th percentile among all processors, while the GPU lands at the 59th percentile among all graphics cards, so the combo's overall rank is dragged down by the processor rather than lifted by the graphics card.

Within the context of Rust, this ranking means the system will handle the game at mainstream resolutions, but it will not dominate. The data shows that the combo's performance ceiling is defined by the interaction between a six-core, six-thread CPU without hyperthreading and a GPU that is now several generations old. The rank of 2699 out of 3723 suggests that a significant portion of tested systems outperform this pairing, but it also means that thousands of other combinations are slower. For a game like Rust, which is known for its demanding simulation and rendering loads, this placement is workable for 1080p play, acceptable for 1440p with reduced settings, and insufficient for 4K at high quality.

The measured FPS values across all resolutions and presets reinforce this assessment. The best result, 135.7 FPS at 1080p Low, is strong, but the system falls to 57.1 FPS at 1080p Ultra, which is just below the playable threshold of 60 FPS. At 1440p, the spread is tighter, with 96 FPS at Low and 42.9 FPS at Ultra. The 4K results are the weakest, with only 25.5 FPS at Ultra and 31 FPS at High. This pattern indicates that the GPU is the limiting factor at higher resolutions, while the CPU becomes more relevant at lower resolutions where frame rates climb.

Similar Performance Alternatives

The nearest rivals for the CPU and GPU provide context for what other hardware would behave similarly in Rust. The Intel Core i5-9400 has an average benchmark score of 2254, and its closest competitors are all within a fraction of a percent. The Intel Core i7-1068NG7 scores 2259, a delta of -0.2 percent, meaning it is essentially identical in performance. The Intel Core i7-10710U scores 2248, a delta of 0.3 percent, and the AMD Ryzen 5 PRO 1500 scores 2246, a delta of 0.4 percent. The Intel Core i3-10305 scores 2264, a delta of -0.4 percent. In practical terms, swapping the i5-9400 for any of these CPUs would result in almost no measurable change in Rust's frame rates, as the performance difference is well under one percent.

On the GPU side, the AMD Radeon RX 5700 XT has an average benchmark score of 16361, and its nearest rivals are similarly close. The AMD Radeon Pro 5600M scores 16351, a delta of 0.1 percent. The NVIDIA RTX PRO 6000 Blackwell scores 16408, a delta of -0.3 percent, and the AMD Radeon PRO W7500 scores 16415, a delta of -0.3 percent. The NVIDIA GeForce RTX 5090 D V2 scores 16504, a delta of -0.9 percent. These deltas are all within one percent, so any of these GPUs would produce nearly identical frame rates in Rust when paired with the same CPU. The practical takeaway is that if a user cannot find the exact CPU or GPU, these alternatives would behave almost indistinguishably in this game, provided the rest of the system is similar.

It is worth remembering the nearest rivals for the GPU include some professional or workstation-class cards, which might be unexpected, but the benchmark scores show that their raw performance aligns closely with the RX 5700 XT. The data does not account for driver optimizations or specific game features, so in Rust, the similarity in average scores should translate to comparable FPS, though minor differences may appear in specific scenes.

CPU and GPU Roles

The division of labor between the Intel Core i5-9400 and the AMD Radeon RX 5700 XT in Rust becomes clear when examining the FPS scaling across resolutions and presets. At 1080p, the system achieves 135.7 FPS at Low settings, 91.7 FPS at Medium, 76.1 FPS at High, and 57.1 FPS at Ultra. The drop from Low to Ultra is 78.6 FPS, which is a substantial reduction of about 58 percent. This large spread indicates that the GPU is being pushed harder as settings increase, but at 1080p, the CPU is also heavily involved, especially at Low settings where the frame rate is high enough to expose CPU limits.

Moving to 1440p, the same pattern continues but with lower absolute numbers: 96 FPS at Low, 64.9 FPS at Medium, 53.4 FPS at High, and 42.9 FPS at Ultra. The difference between Low and Ultra is 53.1 FPS, a reduction of about 55 percent. The lower frame rates at 1440p compared to 1080p at the same settings show that the GPU is becoming more of a bottleneck as pixel count increases. For example, at Low settings, the drop from 1080p (135.7 FPS) to 1440p (96 FPS) is 39.7 FPS, or about 29 percent less performance. At Ultra settings, the drop from 57.1 FPS to 42.9 FPS is 14.2 FPS, or about 25 percent less.

At 4K, the GPU dominates the equation. The system delivers 57.1 FPS at Low, 37.5 FPS at Medium, 31 FPS at High, and 25.5 FPS at Ultra. The gap between Low and Ultra is 31.6 FPS, and even the best 4K result is below the 60 FPS threshold. The scaling from 1440p Low (96 FPS) to 4K Low (57.1 FPS) is a 38.9 FPS drop, while 1440p Ultra (42.9 FPS) to 4K Ultra (25.5 FPS) is a 17.4 FPS drop. This shows that at 4K, the RX 5700 XT's 8 GB of GDDR6 memory and 448.0 GB/s bandwidth are not sufficient to maintain high frame rates regardless of settings.

The data indicates that at 1080p, the CPU plays a significant role, as the i5-9400 with six cores and six threads can keep up with the GPU at lower settings but may limit maximum FPS. At 1440p and above, the GPU becomes the primary constraint. For users aiming for high frame rates, lowering settings at 1080p yields the best results, while at 1440p, only Low and Medium settings clear 60 FPS, and at 4K, no settings reach that threshold.

The Verdict

The question of whether this PC can run Rust is answered by the verdict data. At 1920x1080, the system is playable at High, Low, and Medium settings, with the best playable preset being High at 76.1 FPS. This is comfortably above the 60 FPS threshold, and even Ultra at 57.1 FPS is close, though technically below playable. At 2560x1440, the system is playable at Low and Medium, with Medium being the best at 64.9 FPS. High at 53.4 FPS and Ultra at 42.9 FPS are not playable. At 3840x2160, no settings are playable, as the best result is Low at 57.1 FPS, which falls short of 60 FPS.

So, the answer is yes, this PC can run Rust, but with clear limitations. At 1080p, users can enjoy the game at High settings with solid frame rates, and even Medium at 91.7 FPS is excellent. At 1440p, sticking to Medium is the way to go, as it provides a playable experience while maintaining decent visual quality. At 4K, the system is not viable for playable frame rates, so users should avoid that resolution unless they are willing to accept sub-60 FPS performance. The data shows that the i5-9400 and RX 5700 XT combination is best suited for 1080p gaming in Rust, with 1440p being a secondary option at reduced settings.

FAQ

Q: What is the best resolution and preset for this combo in Rust?

A: The best playable configuration is 1920x1080 at High settings, which delivers 76.1 FPS. This is the highest preset that stays above the 60 FPS threshold at any resolution.

Q: Can this system handle Rust at 4K?

A: No, at 3840x2160, no settings are playable. The best result is 57.1 FPS at Low settings, which is below the 60 FPS playable threshold.

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

A: The Intel Core i5-9400 scores 2254 in average benchmarks, nearly identical to the Intel Core i7-1068NG7 (2259, -0.2 percent), Intel Core i7-10710U (2248, 0.3 percent), AMD Ryzen 5 PRO 1500 (2246, 0.4 percent), and Intel Core i3-10305 (2264, -0.4 percent). Any of these would perform very similarly in Rust.

Q: What GPU alternatives would perform like the RX 5700 XT?

A: The AMD Radeon Pro 5600M (16351, 0.1 percent), NVIDIA RTX PRO 6000 Blackwell (16408, -0.3 percent), AMD Radeon PRO W7500 (16415, -0.3 percent), and NVIDIA GeForce RTX 5090 D V2 (16504, -0.9 percent) all have average scores within one percent of the RX 5700 XT's 16361.

Q: At 1440p, which preset should I use for 60 FPS?

A: Medium settings at 2560x1440 deliver 64.9 FPS, which is the best playable preset at that resolution. Low settings run at 96 FPS, but High (53.4 FPS) and Ultra (42.9 FPS) are below the threshold.

Q: Is the CPU or GPU more important at 1080p?

A: At 1920x1080, the CPU matters more at Low settings, where the frame rate reaches 135.7 FPS, but as settings increase to Medium (91.7 FPS) and High (76.1 FPS), the GPU becomes more influential. The data shows a range of outcomes depending on preset.

Best Settings per Resolution

At 1920x1080, the most demanding preset that stays at or above 60 FPS is High, with an average of 76.1 FPS. Medium runs at 91.7 FPS and Low at 135.7 FPS, but High offers the best balance of visual quality and playable performance. Ultra falls short at 57.1 FPS.

At 2560x1440, the best playable preset is Medium, delivering 64.9 FPS. Low runs at 96 FPS, but High at 53.4 FPS and Ultra at 42.9 FPS are not playable. Users should stick to Medium for a stable experience.

At 3840x2160, no preset is playable, as even Low only reaches 57.1 FPS. The data shows no valid best settings for 4K, so this resolution should be avoided with this hardware for Rust.