Rust

CPU Role — cores, clocks, and how they relate to this game's results

The AMD Ryzen 5 7500F is a 6-core, 12-thread processor based on the Zen 4 architecture, built on a 5 nm process at TSMC. It operates with a base clock of 3.70 GHz and a boost clock of 5.00 GHz, with a 65 W TDP. This desktop chip supports DDR5 memory in a dual-channel configuration, providing 83.2 GB/s of bandwidth, and connects via PCIe Gen 5 with 24 CPU lanes. The processor's cache arrangement includes 64 KB of L1 per core, 1 MB of L2 per core, and a shared 32 MB L3 cache.

In synthetic benchmarks, this CPU demonstrates strong single-thread and multi-thread capabilities. Its Cinebench R23 scores are 3218 for single-core and 22799 for multi-core. Geekbench results show 2759 single-core and 12686 multi-core. The PassMark multi-thread score is 26825, with a single-thread score of 3841. The 3DMark 16-thread test yields 6376, while the 2-thread test yields 1902. These numbers place the Ryzen 5 7500F at the 82nd percentile among all CPUs, with an average benchmark score of 24993.

Relative to its nearest rivals, this processor is essentially tied with the Intel Core i7-11850H, which scores 24974, a delta of just 0.1%. The AMD Ryzen 7 2700X scores 25057, placing it 0.3% ahead, while the AMD Ryzen 5 8400F also scores 25064, also 0.3% ahead. The AMD Ryzen 9 6900HX scores 24897, which is 0.4% behind. This clustering indicates that the Ryzen 5 7500F sits in a highly competitive performance band for general compute workloads.

For Rust, the CPU's role is significant because survival games with large persistent worlds often rely on physics, entity updates, and server-side simulation. The measured FPS data at 1080p Low shows 74.5 FPS, which is the highest of any configuration tested. At 1080p Medium, the frame rate drops to 49.5 FPS, and at High it is 43.2 FPS. The gap between Low and Medium settings suggests that the game's rendering pipeline is sensitive to certain CPU-side workloads that scale with visual complexity. The 6-core, 12-thread configuration with a 5.00 GHz boost clock provides enough single-thread headroom to handle Rust's primary game thread, while the additional threads can absorb secondary tasks like audio, networking, and world streaming.

How This Combo Ranks

The combination of the AMD Ryzen 5 7500F and AMD Radeon RX 580 ranks 1572 out of 1717 tested combos for Rust. This places the pairing in the lower portion of the database, indicating that while the CPU is capable, the overall system is constrained by other factors when running this title.

The rank of 1572 out of 1717 means that roughly 91% of tested combinations deliver better measured performance in Rust. This is a notable finding because the CPU itself scores well in synthetic benchmarks — its 82nd percentile ranking among all CPUs suggests it is not the primary bottleneck. The data indicates that the GPU, which sits at the 53rd percentile among all GPUs, is the limiting component in this pairing. The RX 580's average benchmark score of 13559 places it near the NVIDIA GeForce GTX 570 (13564, delta 0%) and the NVIDIA GeForce GTX 950 (13549, delta 0.1%). The AMD Radeon Pro 455 scores 13416, which is 1.1% behind, while the NVIDIA P106-090 scores 13716, 1.1% ahead.

When examining the measured FPS across all resolutions and settings, the pattern is consistent: the system cannot maintain high frame rates at demanding settings. At 1080p Ultra, the average FPS is 32.6, which is below the 60 FPS threshold that many players consider smooth. At 1440p High, the average drops to 27.7 FPS, and at 4K High it falls to 16.9 FPS. These results confirm that the combo's ranking is driven by GPU limits rather than CPU performance.

Resolution Scaling

The measured FPS data shows a clear and predictable scaling pattern as resolution increases from 1080p to 4K. At Low settings, the average FPS drops from 74.5 at 1080p to 50.6 at 1440p, and then to 30.5 at 4K. This represents a 32% reduction from 1080p to 1440p, and a 59% reduction from 1080p to 4K when comparing the Low preset levels.

At Medium settings, the progression is 49.5 FPS at 1080p, 34.4 FPS at 1440p, and 21.2 FPS at 4K. The High preset shows 43.2 FPS at 1080p, 27.7 FPS at 1440p, and 16.9 FPS at 4K. Ultra settings follow the same trend: 32.6 FPS at 1080p, 22.0 FPS at 1440p, and 16.0 FPS at 4K.

The ratio of FPS drop from 1080p to 4K is consistent across settings, indicating that the scaling is primarily resolution-bound rather than settings-bound. For example, at Low, the 4K FPS is 41% of the 1080p value (30.5 / 74.5). At Medium, it is 43% (21.2 / 49.5). At High, it is 39% (16.9 / 43.2). This narrow range suggests that the GPU's pixel throughput and memory bandwidth are the limiting factors, not CPU-side geometry processing.

The RX 580 has 8 GB of GDDR5 memory on a 256-bit bus, delivering 256.0 GB/s of bandwidth. Its pixel rate is 42.88 GPixel/s and texture rate is 193.0 GTexel/s. At 4K, the pixel count is four times that of 1080p, and the measured FPS reductions are roughly proportional to this increase in pixel workload. This confirms that the GPU is the bottleneck at higher resolutions, while at 1080p Low, the CPU's strong single-thread performance is able to push the frame rate to 74.5 FPS, which is more than double the 4K Low result.

FAQ

Q: What is the best resolution and setting combination for this system in Rust?

A: The highest measured average FPS is 74.5 at 1080p Low. This is the only configuration that exceeds 60 FPS in the measured data, making it the most playable option for smooth performance.

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

A: The Ryzen 5 7500F has an average benchmark score of 24993. It is essentially tied with the Intel Core i7-11850H (24974, delta 0.1%) and the AMD Ryzen 9 6900HX (24897, delta 0.4%). The AMD Ryzen 7 2700X and AMD Ryzen 5 8400F both score slightly higher at 25057 and 25064 respectively, each with a delta of -0.3%.

Q: What is the GPU's performance percentile and how does it compare to its nearest rivals?

A: The AMD Radeon RX 580 sits at the 53rd percentile among all GPUs with an average benchmark score of 13559. It is tied with the NVIDIA GeForce GTX 570 (13564, delta 0%) and nearly tied with the NVIDIA GeForce GTX 950 (13549, delta 0.1%). The AMD Radeon Pro 455 scores 13416 (delta 1.1%), while the NVIDIA P106-090 scores 13716 (delta -1.1%).

Q: How much FPS does the system lose when moving from 1080p to 4K at High settings?

A: At High settings, the average FPS drops from 43.2 at 1080p to 27.7 at 1440p, and then to 16.9 at 4K. This represents a 61% reduction from 1080p to 4K.

Q: Is the CPU or GPU the limiting factor for this combo in Rust?

A: The data indicates the GPU is the primary limiter. The CPU scores at the 82nd percentile, while the GPU scores at the 53rd percentile. The FPS scaling with resolution (where higher resolutions cause proportional FPS drops) points to GPU-bound performance, especially at 1440p and 4K.

Q: What is the combo's overall ranking in the database for Rust?

A: The combo ranks 1572 out of 1717 tested combinations, placing it in the lower 9% of all tested systems for this game.

GPU Role

The AMD Radeon RX 580 is built on the Polaris 20 chip using the GCN 4.0 architecture, manufactured on a 14 nm process at GlobalFoundries. It features 2304 shading units, 144 texture mapping units, and 32 raster operations units. The GPU operates at a base clock of 1257 MHz and a boost clock of 1340 MHz, with memory clocked at 2000 MHz (8 Gbps effective). The 8 GB of GDDR5 memory is connected via a 256-bit bus, providing 256.0 GB/s of bandwidth. The card has a TDP of 185 W and requires a single 8-pin power connector with a suggested 450 W PSU.

In terms of compute performance, the RX 580 delivers 6.175 TFLOPS of FP32 and FP16 (1:1) throughput. Its texture rate is 193.0 GTexel/s and pixel rate is 42.88 GPixel/s. The GPU supports DirectX 12 (12_0), OpenGL 4.6, and Vulkan 1.3, which are relevant for modern game APIs. The card's PassMark G3D score is 8813, with a DirectX 12 score of 43 and DirectX 11 score of 60. Its Geekbench Vulkan score is 45173.

The GPU's role in Rust is defined by its measured FPS results. At 1080p Low, the system achieves 74.5 FPS, which is the only measured configuration above 60 FPS. At 1080p Medium, it drops to 49.5 FPS, and at High it is 43.2 FPS. The Ultra preset at 1080p yields only 32.6 FPS. These numbers show that the GPU struggles with higher visual fidelity settings, likely due to its 2017-era architecture lacking modern features like hardware ray tracing or variable rate shading.

At higher resolutions, the GPU's memory bandwidth of 256.0 GB/s becomes a limiting factor. The 4K Ultra result of 16.0 FPS is the lowest measured, and even 4K Low only reaches 30.5 FPS. The GPU's position at the 53rd percentile among all GPUs, near the NVIDIA GeForce GTX 570 and GTX 950, confirms that it is a mid-range part from its generation. The deltaPct values show it is within 1.1% of its nearest rivals, indicating that its performance class is well-established.

Settings Recommendations

The measured FPS data provides a clear guide for optimal settings. The only configuration that achieves a playable frame rate above 60 FPS is 1080p Low, with an average of 74.5 FPS. This is the recommended preset for smooth gameplay, particularly in a survival game where responsiveness matters for combat and resource gathering.

If visual quality is prioritized over raw frame rate, the 1080p Medium preset offers 49.5 FPS, which is playable but noticeably less smooth. The 1080p High preset at 43.2 FPS is a further compromise, while 1080p Ultra at 32.6 FPS dips below the 30 FPS threshold that many consider the minimum for acceptable playability.

At 1440p, the situation is more constrained. The Low preset yields 50.6 FPS, which is the only 1440p configuration above 45 FPS. Medium drops to 34.4 FPS, High to 27.7 FPS, and Ultra to 22.0 FPS. For 1440p users, the Low preset is the only viable option for maintaining a playable frame rate.

At 4K, none of the measured presets reach 30 FPS except for Low, which achieves 30.5 FPS. Medium yields 21.2 FPS, High 16.9 FPS, and Ultra 16.0 FPS. The 4K Low result is marginal at best, and players at this resolution would need to accept significant compromises.

The data suggests that the best experience for this combo in Rust is 1080p Low, which provides 74.5 FPS. This is 50% higher than the next best option (1440p Low at 50.6 FPS) and 129% higher than 1080p Ultra (32.6 FPS). The gap between Low and Medium at 1080p is 25 FPS (74.5 vs 49.5), indicating that the Low preset removes significant GPU workload, likely through reduced shadow quality, draw distance, or texture filtering. Players seeking a balance between visuals and performance may find 1080p Medium acceptable, but the data clearly favors Low for consistent frame rates in this demanding survival title.