Rust

# Rust with AMD Ryzen 5 3600 + NVIDIA GeForce RTX 4070

Rust, a survival title from 2018, remains a demanding benchmark for modern hardware due to its unique blend of large-scale world simulation and physics-driven interactions. The pairing of the 6-core AMD Ryzen 5 3600 with the 12 GB NVIDIA GeForce RTX 4070 produces a fascinating dataset that reveals a system frequently constrained by its processor rather than its graphics card. The measured FPS across resolutions and settings tells a clear story: this is a combo where the CPU often sets the ceiling, while the GPU's raw power only becomes fully visible at 4K with lower graphical loads. The data shows a combo ranking 579th out of 1717 tested combinations, placing it in the upper third of all pairings, a position that suggests solid but not top-tier performance.

Resolution Scaling

The FPS drop from 1080p to 4K is not linear, and the pattern reveals a system shifting between CPU and GPU bottlenecks. At 1080p with Low settings, the combo averages 151.1 FPS, but at 4K Low, that number falls to 93.4 FPS — a 38% reduction. This is a substantial drop, yet it is far less severe than the scaling seen at Ultra settings, where 1080p delivers 99.6 FPS and 4K plummets to 36.5 FPS, a 63% decline. The difference in scaling between Low and Ultra is the key insight: at Low settings, the CPU's workload dominates, so raising resolution from 1080p to 1440p only reduces FPS from 151.1 to 129.6, a modest 14% hit. But at Ultra, the same resolution jump cuts performance by 34%, from 99.6 to 65.3 FPS.

This divergent behavior indicates that at 1080p Low, the Ryzen 5 3600 is the limiting factor, and the RTX 4070 has headroom to spare. As resolution climbs, the GPU begins to take on more of the load, and the FPS scaling becomes steeper. At 4K, the picture changes completely: the gap between Low (93.4 FPS) and Medium (63.2 FPS) is 32%, while the gap between Medium and High (51 FPS) is 19%, and High to Ultra (36.5 FPS) is another 28%. The data implies that at 4K, the GPU is the primary constraint, and each settings tier adds a significant pixel-shading burden that the RTX 4070 struggles to overcome. The 1440p results sit in a middle ground, with the system balancing both components, as seen in the 87.7 FPS High and 103.1 FPS Medium figures.

CPU Role

The AMD Ryzen 5 3600 brings 6 cores and 12 threads, with a base clock of 3.60 GHz and a boost of 4.20 GHz. Its Zen 2 architecture, built on a 7 nm process, provides a 32 MB shared L3 cache, which is critical for Rust's heavy use of world data and entity tracking. The CPU's benchmark scores show a strong multithreaded presence: Cinebench R23 multicore reaches 15045, while single-core hits 2124. The 3DMark 16-thread score of 4605 and max-thread score of 4603 indicate that scaling beyond 8 threads offers little gain, suggesting the 6-core design is adequate for Rust's typical thread usage.

The CPU's influence is most apparent in the 1080p Low results. At 151.1 FPS, the system is likely hitting a CPU-imposed ceiling, as the RTX 4070 is far more capable than this frame rate suggests. The data supports this: moving from 1080p Low to 1440p Low only costs 21.5 FPS, a 14% drop, while the same settings change from 1440p to 4K costs 36.2 FPS, a 28% drop. The CPU's percentile rank of 76 (better than 76% of all CPUs) and its average benchmark score of 18129 place it near the Intel Core i5-11400 (18150, -0.1% delta) and AMD Ryzen 5 7535HS (18101, +0.2% delta). This positions the 3600 as a competent mid-range processor that can feed the RTX 4070 at 1080p but begins to show its limits in Rust's most CPU-intensive scenarios.

FAQ

Q: Why does the FPS drop so much from 1080p to 4K at Ultra settings?

A: The data shows a 63% reduction from 99.6 FPS to 36.5 FPS. This steep decline indicates that at Ultra, the RTX 4070 becomes the limiting component, as the higher resolution and settings demand more pixel shading and memory bandwidth, which the GPU's 504.2 GB/s bandwidth and 12 GB GDDR6X memory must supply.

Q: Is the Ryzen 5 3600 holding back the RTX 4070?

A: Benchmark results indicate yes, particularly at 1080p Low where the system averages 151.1 FPS. Given the GPU's passmark G3D score of 26927, it is capable of much higher frame rates, but the CPU's 6-core design and single-thread score of 2562 in passmark likely cap performance in Rust's simulation-heavy gameplay.

Q: What is the best resolution for this combo?

A: At 1440p High, the system delivers 87.7 FPS, which is playable and shows a good balance. The 1080p High setting at 122 FPS is smoother, but the 1440p results indicate the GPU is being utilized more effectively without overburdening the CPU.

Q: How does the combo rank against other tested systems?

A: The combo ranks 579th out of 1717 combinations, placing it in the 66th percentile. This suggests it outperforms most tested pairings, though it is not near the top, likely due to the CPU's mid-range standing rather than the GPU's capability.

Q: Does Rust prefer more cores or higher clocks?

A: The data shows the CPU's multithreaded score (Cinebench R23 multicore: 15045) is strong, but the single-thread score (2124) is relatively lower. The 1080p Low FPS of 151.1, which is close to the 1440p Low of 129.6, suggests Rust's performance is more sensitive to single-thread speed, as the gap narrows when the CPU is the bottleneck.

How This Combo Ranks

The combo's rank of 579 out of 1717 tested combinations places it in the upper third of all pairings, a position that reflects a capable but not elite system. This ranking is influenced by the CPU's 76th percentile standing among all processors, while the GPU sits at the 81st percentile. The delta between these percentiles is small, but the CPU's nearest rivals show how close the competition is: the Intel Core i5-11400 scores 18150 (-0.1% delta), and the AMD Ryzen 5 1600 scores 18158 (-0.2% delta). This indicates the 3600 is in a tightly contested CPU tier, and its performance in Rust could vary significantly with small clock or cache differences.

The GPU's rivals also cluster closely: the AMD Radeon RX Vega 56 scores 37507 (-0.6% delta), and the NVIDIA GeForce MX570 A scores 38008 (-1.9% delta). The RTX 4070's average benchmark score of 37283 is just slightly below the RX Vega 56, yet the 4070 has a higher percentile (81 vs. presumably lower for the Vega). This suggests that in Rust, the GPU's architecture and memory bandwidth matter more than raw benchmark scores, as the 4070's 504.2 GB/s bandwidth is substantial. Overall, the rank of 579 indicates the system sits comfortably in the mid-to-upper range, with the CPU being the more likely upgrade path to push higher.

GPU Role

The NVIDIA GeForce RTX 4070, built on the Ada Lovelace architecture with a 5 nm process, brings 5888 shading units, 184 texture mapping units, and 64 raster output units. Its 12 GB of GDDR6X memory on a 192-bit bus provides 504.2 GB/s of bandwidth, a figure that becomes crucial at 4K Ultra where the data shows 36.5 FPS. The GPU's boost clock of 2475 MHz and FP32 performance of 29.15 TFLOPS indicate substantial raw compute power, yet the 4K Ultra result suggests this is not enough for Rust's most demanding settings.

The GPU's role is most evident in the scaling from Medium to High at 4K: a drop from 63.2 to 51 FPS, a 19% reduction. This is a smaller relative drop than the 28% reduction from High to Ultra (51 to 36.5 FPS), which implies the Ultra preset introduces effects that heavily tax the GPU's memory subsystem or ray tracing capabilities. The GPU's RT cores (46) and tensor cores (184) are present but may not be fully utilized in Rust's traditional rasterization pipeline. The 4070's passmark G3D score of 26927 and 3DMark Steel Nomad DX12 score of 3854 show it is a strong performer, but the 4K data reveals that Rust at Ultra can push it to its limits, especially when combined with a CPU that may not feed it efficiently at lower resolutions.

Measured FPS Breakdown

At 1920x1080, the system delivers its highest averages: Low settings reach 151.1 FPS, Medium hits 130.6 FPS, High achieves 122 FPS, and Ultra drops to 99.6 FPS. The 1080p results show diminishing returns as settings rise, with the gap between Low and Medium (20.5 FPS) larger than between Medium and High (8.6 FPS), but the High to Ultra drop (22.4 FPS) is significant. This suggests Ultra adds a heavy load that the GPU partially handles, but the CPU may still be a factor.

At 2560x1440, the averages are 129.6 FPS (Low), 103.1 FPS (Medium), 87.7 FPS (High), and 65.3 FPS (Ultra). The 1440p data shows a more uniform scaling pattern: Low to Medium drops 26.5 FPS, Medium to High drops 15.4 FPS, and High to Ultra drops 22.4 FPS. This consistency indicates the system is in a balanced state where both CPU and GPU contribute to performance.

At 3840x2160, the averages are 93.4 FPS (Low), 63.2 FPS (Medium), 51 FPS (High), and 36.5 FPS (Ultra). The 4K results show the GPU becoming the dominant factor, as the Low to Medium drop (30.2 FPS) and High to Ultra drop (14.5 FPS) are both substantial, while the Medium to High drop (12.2 FPS) is slightly smaller. The 4K Low result of 93.4 FPS is notable, as it shows the RTX 4070 can handle lower settings at high resolution, but the CPU's influence is still present in the gap between 1080p and 4K Low (57.7 FPS difference).

Settings Recommendations

The measured data points to the 1440p High preset as the best balance for this combo. At 87.7 FPS, it provides a smooth experience while leveraging the GPU's capabilities more fully than 1080p, where the CPU limits performance. The 1440p Medium setting at 103.1 FPS is also viable for players prioritizing frame rate, but the visual quality gains from High are worth the 15.4 FPS cost. For 4K users, the Low preset at 93.4 FPS is the only playable option, as Medium drops to 63.2 FPS and High to 51 FPS, which may be too low for fast-paced survival gameplay.

At 1080p, the High preset at 122 FPS is recommended over Ultra, as the 22.4 FPS gain from dropping to High is substantial and the visual difference is often minimal in Rust's environmental rendering. The Ultra preset at 99.6 FPS is still playable but offers diminishing returns. The data suggests that the system's sweet spot is 1440p High, where the FPS is high enough for competitive play and the resolution leverages the RTX 4070's 12 GB memory and 504.2 GB/s bandwidth. For users with 1080p monitors, the High preset is the clear choice, while 4K owners should stick to Low settings to maintain frame rates above 90 FPS.