Rust

The Intel Core i5-9400 and NVIDIA GeForce GTX 1660 Ti combination delivers a playable, if not spectacular, Rust experience, with performance heavily dependent on the settings preset you choose. The measured data shows a clear hierarchy across the four available presets, and the optimal choice is a trade-off between visual fidelity and frame rate. For the best balance of smoothness and visual quality, the Medium preset is the recommended starting point. At 1920x1080, Medium delivers an average of 72.4 FPS, which is a substantial 61.6% improvement over the High preset’s 59.4 FPS, while still looking noticeably better than Low. While High can approach the 60 FPS threshold, Medium provides a more comfortable margin for the frame drops common in Rust’s busy scenes, making it the most practical choice for consistent play. For competitive play or on older monitors, the Low preset at 107.9 FPS is the best option. Conversely, the Ultra preset is not recommended for this combo, as it drops below 45 FPS even at 1080p, which is a poor experience for a game that requires quick reactions.

Settings Recommendations

The data provides a clear picture of how the preset choices scale performance. At 1920x1080, the frame rate ranges from a high of 107.9 FPS on Low to a low of 44.9 FPS on Ultra. The jump from Low to Medium is a significant drop of 35.5 FPS, while the jump from Medium to High is a more modest 13 FPS drop. The most dramatic decline is from High to Ultra, which costs 14.5 FPS. This indicates that the Ultra preset’s additional visual effects are particularly demanding on this hardware. The Medium preset is the sweet spot for most users, as it provides a 72.4 FPS average, which is well above the 60 FPS target for a smooth experience. It offers a substantial visual upgrade over Low while maintaining a high frame rate. If you prioritize a consistently high frame rate above all else, the Low preset is the clear winner. The data shows that the performance cost of the Ultra preset is too high for this GPU, making it a poor choice for regular gameplay.

GPU Role

The NVIDIA GeForce GTX 1660 Ti is the primary determinant of frame rate at higher resolutions and settings. Its 6 GB of GDDR6 memory on a 192-bit bus provides 288.0 GB/s of bandwidth, which is sufficient for the game’s textures at 1080p and 1440p, but appears to become a limiting factor at 4K. The GPU’s boost clock of 1770 MHz and its 1536 shading units are responsible for the raw processing power, and the benchmark results show how this power is consumed. At 1080p with Medium settings, the GPU is clearly the main driver of the 72.4 FPS result. However, the performance scaling from 1080p to 1440p is not linear. For example, at Medium settings, the FPS drops from 72.4 to 52.9, a 26.9% decrease, which is less than the 77.8% increase in pixel count. This suggests that while the GPU is still the primary bottleneck, other components, such as the CPU, start to play a more significant role as the resolution decreases. The GPU’s performance relative to its peers is solid, with its average benchmark score of 13925 placing it just 0.4% ahead of the AMD Radeon RX 570X and 0.8% behind the NVIDIA RTX A2000 Mobile. This indicates that the GTX 1660 Ti is a mid-range performer that is well-suited for 1080p gaming but will struggle to maintain high frame rates at 4K.

How This Combo Ranks

In the database of 1717 tested combinations for Rust, this specific pairing of the Intel Core i5-9400 and NVIDIA GeForce GTX 1660 Ti ranks at position 1465. This places it in the lower 15% of all tested combinations, indicating that there are many more powerful setups that can deliver significantly higher frame rates. The rank of 1465 suggests that while this combo is capable of running the game, it is not a high-performance configuration. This is consistent with the measured FPS data, which shows that the combo is only able to achieve a smooth 60+ FPS experience at 1080p on Low and Medium settings. The rank is a relative measure, showing that this hardware is not near the top of the performance spectrum for this particular game. It is a functional but not exceptional pairing, and users should have realistic expectations about its capabilities, particularly at higher resolutions and detail settings.

FAQ

Q: What is the best settings preset for this combo at 1080p?

A: The Medium preset is the best balance, delivering 72.4 FPS. The Low preset provides the highest frame rate at 107.9 FPS, while the High preset achieves 59.4 FPS and Ultra drops to 44.9 FPS.

Q: Can this combo handle 4K resolution in Rust?

A: No, it cannot. At 4K, the average frame rates are 42.4 FPS on Low, 28.1 FPS on Medium, 27.7 FPS on High, and 20.5 FPS on Ultra. These are all far below the 60 FPS target for a smooth experience.

Q: How much of a performance drop is there from 1080p to 1440p?

A: The drop varies by settings. On Low, the FPS goes from 107.9 to 76, a 29.6% decrease. On Medium, it goes from 72.4 to 52.9, a 26.9% decrease. On High, it goes from 59.4 to 42.3, a 28.8% decrease. On Ultra, it goes from 44.9 to 33.5, a 25.4% decrease.

Q: Is the CPU or GPU the main bottleneck in this system?

A: At 1080p and 1440p, the GPU is the primary bottleneck, as evidenced by the large FPS changes with different settings. The performance drop from 1080p to 4K is also significant, indicating the GPU’s limits. However, the CPU's 6 cores and 6 threads are sufficient to keep up with the GPU at these settings, but it is not a top-tier processor, ranking only in the 50th percentile of all CPUs.

Q: How does the GTX 1660 Ti compare to its closest rival, the RX 570X?

A: The GTX 1660 Ti has an average benchmark score of 13925, which is 0.4% higher than the AMD Radeon RX 570X's score of 13871. This makes the performance nearly identical in synthetic benchmarks.

Q: What is the performance difference between the Low and Ultra presets at 1080p?

A: The Low preset averages 107.9 FPS, while the Ultra preset averages 44.9 FPS. This is a difference of 63 FPS, meaning the Low preset is 140.3% faster than Ultra, highlighting the massive cost of the highest visual settings.

Resolution Scaling

The FPS data across resolutions shows how this system responds to increasing pixel counts. At 1080p, the combo is capable of a wide range of performance, from 107.9 FPS on Low to 44.9 FPS on Ultra. Moving to 1440p, the frame rates drop by roughly 25-30% across all settings. For instance, the Medium preset falls from 72.4 FPS to 52.9 FPS. This is a significant decrease, but the game remains playable on Low and Medium settings. The jump to 4K is far more punishing. At 4K, the highest frame rate achievable is 42.4 FPS on the Low preset, which is a 60.7% drop from the 107.9 FPS seen at 1080p on the same settings. On the High preset, the frame rate collapses to 27.7 FPS, making the game feel sluggish. This pattern indicates that the GTX 1660 Ti is the limiting component at 4K, as its 6 GB of VRAM and memory bandwidth are insufficient to handle the massive increase in pixel data. The data suggests that this combo is best suited for 1080p gaming, with 1440p being a viable option only on lower settings, and 4K being largely unplayable.

CPU Role

The Intel Core i5-9400 provides a solid foundation for this gaming system. With 6 cores and 6 threads, it has enough processing power to handle the game’s logic and physics without becoming the primary bottleneck at lower resolutions. Its base clock of 2.90 GHz and boost clock of 4.10 GHz are adequate for the task. In synthetic benchmarks, the CPU scores 7969 in Cinebench R23 multi-core and 1125 in single-core, placing it in the 50th percentile of all CPUs. This is a mid-pack result, showing that the processor is not a high-end part but is sufficient for mainstream gaming. Its nearest rival is the Intel Core i3-10305, which is 0.2% faster in average benchmark score. The i5-9400’s role in Rust is to ensure that the GPU is fed with data, and the measured FPS shows that it does this effectively at 1080p and 1440p. The fact that frame rates scale with resolution and settings suggests that the CPU is not the limiting factor in most scenarios. However, it is not a powerhouse either, and its 50th percentile ranking indicates that it is a competent, but not exceptional, partner for the GTX 1660 Ti.