Rust

Resolution Scaling

The measured FPS data for Rust reveals a steep and consistent penalty as resolution climbs, confirming that this pairing of AMD Ryzen 5 7600X and AMD Radeon RX 580 is firmly GPU-limited at higher resolutions. At 1080p Low, the combo averages 73.6 FPS, which drops to 49.2 FPS at 1440p Low (a 33% reduction) and further to 28.7 FPS at 4K Low (a 61% reduction from the 1080p figure). This scaling pattern is classic GPU-bound behavior — the CPU has ample headroom, but the RX 580's fillrate and memory bandwidth are saturated as pixel count increases.

The gap between settings widens dramatically at higher resolutions. At 1080p, the spread from Low to Ultra is 39.9 FPS (73.6 vs 33.7). At 1440p, that spread narrows to 26.5 FPS (49.2 vs 22.7). At 4K, the spread compresses further to 12.9 FPS (28.7 vs 15.8). This convergence indicates that at 4K, even the Low preset is bottlenecked by the GPU's raw throughput, leaving little room for settings to matter. The data suggests that 4K is not viable for this combo in Rust — the highest average at 4K is 28.7 FPS on Low, which falls below smooth gameplay thresholds.

The 1440p results are more nuanced. At 1440p Medium, the average is 32.7 FPS, essentially tied with 1440p High at 31.9 FPS. This near-identical performance indicates that the GPU is the limiting component even at these moderate settings; raising the preset from Medium to High costs only 0.8 FPS because the renderer is already waiting on the GPU. The 1080p results show the opposite trend: the gap between Low (73.6) and Medium (47.8) is 25.8 FPS, suggesting that at 1080p, the CPU still has some influence, but the GPU quickly becomes the bottleneck once settings rise.

Settings Recommendations

For this specific configuration, the data strongly favors the Low preset at 1080p as the only setting that delivers a consistently playable experience. The 1080p Low average of 73.6 FPS is the only measured result above 60 FPS across all resolutions and settings. At 1080p Medium, the average falls to 47.8 FPS, a 35% drop from Low, which is a substantial penalty for what may be modest visual gains in a survival title like Rust. The 1080p High preset at 42.8 FPS and Ultra at 33.7 FPS further degrade the experience without offering any FPS advantage.

At 1440p, the Low preset's 49.2 FPS is the only result above 40 FPS, making it the sole viable option at that resolution. The 1440p Medium (32.7) and High (31.9) results are nearly identical, meaning players gain nothing from choosing High over Medium — both sit below 35 FPS, which is borderline for a game where reaction time matters. The 4K results are uniformly poor, with the best being 28.7 FPS on Low; none of the 4K presets reach 30 FPS, so 4K should be avoided entirely.

The optimal configuration based on measured data is 1080p Low for competitive play or 1080p Medium for those who prioritize visual fidelity over frame rate. The jump from Low to Medium at 1080p costs 25.8 FPS, which is steep, but the Medium preset still maintains an average above 45 FPS. For 1440p users, Low is the only recommendation; any higher preset pushes averages below 35 FPS, which is likely to feel sluggish in Rust's combat scenarios.

GPU Role

The AMD Radeon RX 580's specifications directly explain the measured results. With 8 GB of GDDR5 memory on a 256-bit bus delivering 256.0 GB/s bandwidth, the GPU has sufficient memory capacity for Rust's textures but lacks the bandwidth to sustain high frame rates at higher resolutions. The card's 2304 shading units and 32 ROPs, combined with a boost clock of 1340 MHz, yield a pixel rate of 42.88 GPixel/s and a texture rate of 193.0 GTexel/s. These figures are modest by modern standards, and the benchmark data reflects this: the GPU's percentile vs all GPUs is 53, placing it in the middle of the pack.

The RX 580's FP32 performance of 6.175 TFLOPS is the theoretical ceiling for compute tasks, but Rust's rendering workload is more dependent on memory bandwidth and fillrate. The 4K results — where even Low settings produce only 28.7 FPS — indicate that the 256.0 GB/s bandwidth is severely insufficient for 8.3 million pixels. At 1080p, the same bandwidth is less taxed, allowing the Low preset to reach 73.6 FPS. The GPU's nearest rivals in average benchmark score include the NVIDIA GeForce GTX 570 (deltaPct 0) and the GTX 950 (deltaPct 0.1), which are both older architectures; this contextualizes the RX 580 as a capable 1080p card but not a 1440p or 4K performer.

The GPU's 8 GB memory size is not the limiting factor in Rust — the bandwidth is. If the card had more bandwidth, the 1440p Medium results (32.7 FPS) would likely be closer to the 1080p Medium results (47.8 FPS), but the data shows a 15.1 FPS drop, which is attributable to memory throughput constraints. The GDDR5 memory clock of 2000 MHz (8 Gbps effective) is fixed, and the 256-bit bus is the primary bottleneck at higher resolutions.

FAQ

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

A: The data shows 1920x1080 is the only resolution where any preset exceeds 60 FPS. At 1080p Low, the average is 73.6 FPS; at 1440p, the best is 49.2 FPS (Low); at 4K, the best is 28.7 FPS (Low).

Q: How much FPS is lost when going from 1080p to 1440p at the same settings?

A: At Low settings, the drop is from 73.6 FPS to 49.2 FPS, a loss of 24.4 FPS. At High settings, the drop is from 42.8 FPS to 31.9 FPS, a loss of 10.9 FPS.

Q: Does the Ultra preset ever outperform Medium?

A: No. At every resolution, Ultra produces the lowest average FPS: 33.7 at 1080p, 22.7 at 1440p, and 15.8 at 4K. Medium always outperforms Ultra, with margins of 14.1 FPS at 1080p, 10.0 FPS at 1440p, and 4.2 FPS at 4K.

Q: Is the CPU or GPU the limiting factor at 1080p Low?

A: The 73.6 FPS result at 1080p Low is the highest in the dataset, suggesting the CPU still has headroom. However, the steep drop to 47.8 FPS at Medium indicates the GPU becomes the bottleneck as soon as settings increase.

Q: Can this combo run Rust at 4K at all?

A: Technically yes, but not playably. The best 4K result is 28.7 FPS on Low, and Ultra drops to 15.8 FPS. All 4K averages fall below 30 FPS.

Q: How does the RX 580 compare to its nearest rivals in synthetic benchmarks?

A: The RX 580's average benchmark score is 13559, with the GTX 570 at 13564 (deltaPct 0) and the GTX 950 at 13549 (deltaPct 0.1). This places it in a virtual tie with those cards.

How This Combo Ranks

In the database of tested combinations for Rust, this pairing of AMD Ryzen 5 7600X and AMD Radeon RX 580 ranks 1578 out of 1717 combos. This places it in the bottom 8% of all tested configurations, which is a poor result for a CPU that ranks in the 83rd percentile among all CPUs. The discrepancy between the CPU's strong standing and the combo's weak ranking is entirely attributable to the GPU, which sits in the 53rd percentile among all GPUs.

The rank of 1578 out of 1717 means that 139 combos perform worse, but 1577 perform better. This is a decisive verdict: the RX 580 is the anchor dragging down an otherwise capable system. The CPU's nearest rivals — such as the AMD Ryzen 7 5700X (deltaPct 0.2) — would likely achieve much higher rankings when paired with a stronger GPU. The data indicates that for Rust specifically, the GPU choice matters more than the CPU, as the game's rendering workload scales heavily with pixel count and texture detail.

The combination's performance profile is consistent with a mid-range GPU from 2017 (launch MSRP 229 USD) paired with a high-end CPU from 2022 (launch MSRP $299). The 5-year gap in architecture — GCN 4.0 on 14 nm for the GPU versus Zen 4 on 5 nm for the CPU — explains the imbalance. For Rust players, upgrading the GPU would yield far more benefit than upgrading the CPU, as the current bottleneck is clearly on the graphics side.

CPU Role

The AMD Ryzen 5 7600X brings substantial processing power to this pairing, with 6 cores and 12 threads based on Zen 4 architecture. The CPU's boost clock of 5.30 GHz and base clock of 4.70 GHz, combined with 32 MB of shared L3 cache, provide strong single-thread and multi-thread performance. Its benchmark scores are impressive: Cinebench R23 multi-core at 24128 and single-core at 3406, with a PassMark multi-thread score of 28390. The CPU's percentile vs all CPUs is 83, indicating it outperforms 83% of all processors in the database.

In Rust, the CPU's role is to handle game logic, simulation, and draw calls. The measured FPS data suggests the CPU is not the limiting factor at any resolution. At 1080p Low, the 73.6 FPS result is likely near the CPU's rendering limit for this game, but the rapid decline at higher settings (47.8 FPS at Medium) indicates the GPU takes over as the primary constraint. The CPU's 12 threads are sufficient for Rust's multi-threaded engine, and its high single-core performance (Geekbench single-core 2892) helps with the game's main-thread workload.

The CPU's memory bandwidth of 83.2 GB/s (DDR5 dual-channel) is more than adequate for feeding the GPU, especially compared to the GPU's own 256.0 GB/s. The 5 nm process node and 6,570 million transistors provide efficiency, but this does not translate into higher FPS when the GPU is saturated. The data shows that even at 4K Ultra (15.8 FPS), the CPU is not the bottleneck — the GPU's fillrate is. For players considering upgrades, the CPU has headroom to support a faster GPU in the future, as evidenced by its high benchmark scores relative to the combo's overall ranking.

Measured FPS Breakdown

1920x1080:

• Low: 73.6 FPS average
• Medium: 47.8 FPS average
• High: 42.8 FPS average
• Ultra: 33.7 FPS average

At 1080p, the Low preset is the only one above 60 FPS. The step from Low to Medium costs 25.8 FPS, while the step from Medium to High costs only 5.0 FPS, indicating diminishing returns as settings rise.

2560x1440:

• Low: 49.2 FPS average
• Medium: 32.7 FPS average
• High: 31.9 FPS average
• Ultra: 22.7 FPS average

At 1440p, the Low preset is the only one above 40 FPS. Medium and High are within 0.8 FPS of each other, showing that the GPU is saturated at both settings.

3840x2160:

• Low: 28.7 FPS average
• Medium: 20.0 FPS average
• High: 18.2 FPS average
• Ultra: 15.8 FPS average

At 4K, all presets fall below 30 FPS. The gap between Low and Ultra is 12.9 FPS, which is the smallest spread across all resolutions, confirming that the GPU is the sole limiting factor at 4K.

The overall trend is clear: the RX 580 delivers playable performance only at 1080p Low, with marginal viability at 1080p Medium. The CPU's strong scores do not compensate for the GPU's age, and the combo ranks poorly in the database. For Rust, the data recommends 1080p Low for smooth gameplay, with any higher resolution or preset resulting in a sub-50 FPS experience.