Rust

Rust is a notoriously variable survival title, and the measured data for the Intel Core i5-9400 paired with the AMD Radeon RX 9060 XT 8 GB shows a configuration that is highly dependent on both resolution and preset. The benchmark results indicate a system that can deliver smooth framerates at 1080p and 1440p, but one that struggles significantly at 4K Ultra settings. This pairing sits in the 55th percentile of all tested combinations for this game, ranking 2054 out of 3723, which suggests a mid-pack standing that is heavily influenced by the GPU's limitations at higher loads.

Resolution Scaling

The resolution scaling behavior of this configuration is the most telling aspect of its performance profile. Moving from 1920x1080 to 2560x1440 on the High preset, the average framerate drops from 95 FPS to 65 FPS, a reduction of 31.6%. Scaling further to 3840x2160 High yields an average of just 38 FPS, which represents a 60% drop from the 1080p baseline. This steep decline indicates that the GPU is becoming the primary bottleneck as pixel count increases, a common trait for a card with 8 GB of VRAM and a 128-bit memory bus.

The scaling pattern is even more pronounced on the Ultra preset. At 1080p Ultra, the system produces 72 FPS, which is still playable. However, at 1440p Ultra, the average falls to 49 FPS, and at 4K Ultra, it plummets to a mere 29 FPS. This 59.7% reduction from 1080p to 4K on Ultra settings is a clear sign that the Radeon RX 9060 XT is overwhelmed by the combination of high detail settings and extreme resolution. The data suggests that the limiting component at 4K is definitively the GPU, as the CPU's six cores are unlikely to be the constraint at such low framerates.

Interestingly, the Low preset shows a different scaling curve. From 142 FPS at 1080p to 115 FPS at 1440p and 68 FPS at 4K, the percentage drops are 19% and 52.1% respectively. The 1080p to 1440p drop is relatively modest, suggesting that the CPU is still able to feed the GPU adequately at these lower settings. However, the significant drop at 4K Low still points to the GPU hitting its memory bandwidth or raw throughput ceiling. The delta between Low and Ultra at 4K is a stark 39 FPS, confirming that the highest settings are simply not viable at this resolution.

FAQ

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

A: Based on measured averages, 1920x1080 is the most consistent resolution. The High preset delivers 95 FPS, and even Ultra achieves 72 FPS. At 2560x1440, the High preset still provides a solid 65 FPS, but the Ultra preset drops to 49 FPS.

Q: Can this system handle 4K gaming in Rust?

A: The data shows that 4K is only playable on the Low preset, where it averages 68 FPS. The Medium preset averages 46 FPS, High averages 38 FPS, and Ultra averages just 29 FPS, making those settings impractical for smooth gameplay.

Q: How does the RX 9060 XT compare to its nearest rivals in synthetic benchmarks?

A: In the 3DMark Steel Nomad DX12 test, the RX 9060 XT scores 4093. This puts it a mere 0.4% ahead of the Intel HD Graphics 630 (4075) and 1.5% ahead of the NVIDIA GeForce GT 755M (4033). It trails the NVIDIA Quadro K2100M by 1.4% (4151).

Q: Is the CPU a bottleneck at 1080p?

A: The evidence suggests not at lower settings. At 1080p Low, the system hits 142 FPS, which is a high enough frame rate that the six-core i5-9400 is likely still keeping up. The scaling to 1440p Low (115 FPS) is a modest 19% drop, indicating a more balanced load.

Q: What kind of framerate variance can be expected at Medium settings?

A: For the Medium preset, the only settings with recorded minimum and maximum framerates, the variance is consistent. At 1080p, the range is 95 to 129 FPS with an average of 112 FPS. At 1440p, it's 66 to 89 FPS with an average of 77 FPS. At 4K, it's 39 to 52 FPS with an average of 46 FPS.

Q: What is the launch MSRP of the GPU?

A: The AMD Radeon RX 9060 XT 8 GB has a launch MSRP of 299 USD.

GPU Role

The AMD Radeon RX 9060 XT 8 GB is the dominant factor in this configuration's gaming performance, particularly as resolution increases. The GPU's 8 GB of GDDR6 memory on a 128-bit bus provides a bandwidth of 322.3 GB/s, which is sufficient for 1080p and 1440p gaming but becomes a limiting factor at 4K. The benchmark results clearly show that the card's memory subsystem and raw compute power are strained when rendering Rust's large, open-world environments at high pixel counts.

The GPU's clock speeds are notably high, with a base clock of 1700 MHz, a game clock of 2530 MHz, and a boost clock of 3130 MHz. These clocks help the card achieve a peak FP32 throughput of 25.64 TFLOPS. However, the data shows that this theoretical compute power does not translate into consistent 4K performance. The 29 FPS average at 4K Ultra is a clear indication that the card is not designed for extreme resolutions in this title, despite its modern RDNA 4.0 architecture and 4 nm process node.

The GPU's 64 ROPs and 128 TMUs are responsible for the pixel and texture fill rates of 200.3 GPixel/s and 400.6 GTexel/s, respectively. While these figures are respectable, the 128-bit memory interface remains the bottleneck. The scaling from Medium to High at 4K shows only a 8 FPS difference (46 to 38 FPS), whereas the jump from Low to Medium is a more substantial 22 FPS (68 to 46 FPS). This suggests that once the memory bandwidth is saturated, additional graphical fidelity has a diminishing return on performance.

Measured FPS Breakdown

At 1920x1080, the configuration shows a wide range of performance across presets. The Low preset delivers the highest average at 142 FPS, followed by Medium at 112 FPS (with a range of 95 to 129 FPS), High at 95 FPS, and Ultra at 72 FPS. This demonstrates that the GPU has enough headroom at 1080p to allow for high framerates, even on the most demanding preset.

Moving to 2560x1440, the averages drop across the board. Low still provides a very playable 115 FPS, while Medium averages 77 FPS (ranging from 66 to 89 FPS). The High preset falls to 65 FPS, and Ultra drops to 49 FPS. The 1440p results indicate that the card is still capable of delivering a good experience, but the gap between Low and Ultra widens to 66 FPS, showing the increasing cost of high settings.

At 3840x2160, the performance takes a significant hit. The Low preset averages 68 FPS, which is acceptable, but Medium drops to 46 FPS (ranging from 39 to 52 FPS). High averages just 38 FPS, and Ultra falls to 29 FPS. The 4K data clearly shows that this combination is only suitable for the Low preset if a consistent 60 FPS is desired. The difference between 1080p Low and 4K Low is 74 FPS, highlighting the massive impact of resolution on this particular GPU.

Settings Recommendations

Based on the measured data, the optimal experience for this hardware in Rust depends heavily on the target resolution. For 1080p gamers, the High preset at 95 FPS is the best balance of visual quality and performance, as it offers a significant jump from the 72 FPS of Ultra without sacrificing the smoothness that competitive play requires. The Medium preset is also a strong choice, providing 112 FPS with a minimum of 95 FPS, which is excellent for high-refresh-rate monitors.

For 1440p, the Low preset at 115 FPS is the only way to achieve consistently high framerates, but it sacrifices visual fidelity. The High preset at 65 FPS is a better visual experience and is still playable, but users with 144Hz displays will need to accept the lower average. The Medium preset at 77 FPS is arguably the sweet spot for 1440p, offering a decent visual upgrade over Low while maintaining a framerate above 60 FPS.

At 4K, the recommendations are more restrictive. The Low preset at 68 FPS is the only option for smooth gameplay. The Medium preset at 46 FPS is borderline, but the 39 FPS minimum could lead to noticeable stuttering. The High and Ultra presets are not recommended, as the 38 FPS and 29 FPS averages respectively fall below the threshold for an enjoyable experience. Users targeting 4K should stick to Low or consider reducing the resolution to 1440p for a better overall experience.

CPU Role

The Intel Core i5-9400 provides a solid foundation for this gaming configuration, though its role is secondary to the GPU in most scenarios. With 6 cores and 6 threads, it lacks the simultaneous multithreading of its rivals, but its boost clock of 4.10 GHz helps maintain responsiveness. The CPU's Cinebench R23 multi-core score of 6629 places it in the 47th percentile of all CPUs, which is a mid-range standing that is adequate for gaming.

The CPU's performance relative to its nearest rivals is very tight. In the average benchmark score, the i5-9400 scores 2254, which is just 0.2% behind the Intel Core i7-1068NG7 (2259) and 0.4% behind the Intel Core i3-10305 (2264). It is 0.3% ahead of the Intel Core i7-10710U (2248) and 0.4% ahead of the AMD Ryzen 5 PRO 1500 (2246). This clustering suggests that the i5-9400 is a competitive six-core part, but not a standout.

In Rust, the CPU's 9 MB of shared L3 cache and dual-channel DDR4 memory support (with 42.7 GB/s bandwidth) are sufficient for feeding the GPU at 1080p and 1440p. The fact that the game scales well from Low to High at 1080p (142 FPS to 95 FPS) suggests that the CPU is not the primary bottleneck at these settings. However, at 4K, where GPU load is highest, the CPU has more headroom, but the GPU's inability to render frames quickly enough makes the CPU's performance moot. The data implies that this CPU is well-matched for the GPU at mainstream resolutions, but the pairing is ultimately limited by the RX 9060 XT's memory bandwidth and compute capacity at higher resolutions.