Rust

Resolution Scaling

The measured FPS data for Rust on this Intel Core i7-13700K + Intel Arc B580 combo shows a clear and consistent pattern of performance degradation as resolution increases. At 1080p with Low settings, the system produces an average of 130.9 FPS. Moving to 1440p at the same settings drops this to 88.7 FPS, a reduction of roughly 32%. At 4K, the Low preset yields 56.9 FPS, which is about 36% lower than the 1440p figure and 56% lower than the 1080p result.

The scaling pattern is similar across all settings presets. With High settings, the average FPS goes from 77.4 at 1080p, to 53.2 at 1440p, and finally to 32.8 at 4K. The gap between 1080p and 4K at High settings is a 58% drop. Medium settings show 86.8 FPS at 1080p, 63.1 at 1440p, and 39 at 4K. Ultra settings are the most demanding, starting at 55 FPS at 1080p, falling to 38.8 at 1440p, and reaching only 25.9 at 4K.

These numbers indicate that the limiting component shifts as resolution climbs. At 1080p, the GPU has enough headroom to push high frame rates, but the CPU's role in driving the game's simulation and draw calls becomes more apparent. The fact that 1080p Low reaches 130.9 FPS suggests the CPU can feed the GPU adequately at lower resolutions. However, as resolution increases, the pixel throughput demands on the Intel Arc B580 grow, and the frame rate drops proportionally. The 4K results, particularly the 25.9 FPS at Ultra, point to the GPU being the primary constraint at that resolution. The data shows a nearly linear relationship between pixel count and FPS, which is typical for a GPU-bound scenario at higher resolutions.

GPU Role

The Intel Arc B580 is built on the Xe2-HPG architecture, using a 5 nm process from TSMC with 19,600 million transistors on a 272 mm² die. It features 12 GB of GDDR6 memory on a 192-bit bus, providing a bandwidth of 456.0 GB/s. The GPU's base and boost clocks are both 2670 MHz, with memory running at 2375 MHz (19 Gbps effective). Its compute capability is rated at 13.67 TFLOPS for FP32 operations, and it includes 20 ray tracing cores and 2560 shading units.

In Rust, the GPU's memory allocation and bandwidth are significant factors. The 12 GB VRAM is sufficient for the game's textures and world data at 1080p and 1440p, but the 4K Ultra result of 25.9 FPS suggests that memory bandwidth or capacity may be strained. The 456.0 GB/s bandwidth is a measurable resource, and the frame rate drops at 4K are consistent with the GPU struggling to manage the increased data throughput. The pixel rate of 213.6 GPixel/s and texture rate of 427.2 GTexel/s are the theoretical limits, but the measured FPS shows that real-world performance is far below these ceilings, indicating that the game's shader complexity and memory access patterns are the bottlenecks.

The Arc B580's benchmark scores place it in the 66th percentile of all GPUs, with an average benchmark score of 23021. Its nearest rival, the NVIDIA GeForce RTX 4060, has an average score of 23181, which is 0.7% higher. This close proximity in synthetic benchmarks does not directly translate to Rust's specific workload, but the measured FPS data shows the B580 holding its own at 1080p, where it delivers 77.4 FPS at High settings. The GPU's driver and architecture are optimized for DirectX 12 Ultimate, which Rust can leverage, but the 4K results remain modest.

CPU Role

The Intel Core i7-13700K is a 16-core, 24-thread processor based on the Raptor Lake architecture, manufactured on Intel's 10 nm process. Its base clock is 3.40 GHz, with a boost clock of 5.40 GHz. It has 30 MB of shared L3 cache and 2 MB of L2 cache per core. The CPU's benchmark results show strong multi-threaded performance, with a Cinebench R23 multi-core score of 39000 and a single-core score of 5505. Its PassMark multi-thread score is 45887, and the average benchmark score is 47282, placing it in the 93rd percentile of all CPUs.

In Rust, the CPU's role is critical due to the game's simulation of the world, entity interactions, and server-side logic that must be processed on the client. The 16 cores and 24 threads provide ample parallelism for these tasks, and the high boost clock of 5.40 GHz ensures responsive single-threaded performance. The measured FPS at 1080p Low, 130.9 FPS, is a strong indicator that the CPU is not the primary bottleneck at lower resolutions. The CPU's nearest rivals include the Intel Core i7-13700KF with a deltaPct of -0.1, and the AMD EPYC 4364P with a deltaPct of 0.3, showing that the 13700K is essentially on par with these processors in average benchmark scores.

The CPU's L3 cache of 30 MB is substantial, and Rust's dynamic world generation benefits from larger caches to reduce memory latency. The benchmark data shows a 3dmark single-thread score of 1136 and a 3dmark max-threads score of 12412, indicating that the CPU can scale well with increased thread usage. However, the FPS drop from 130.9 at 1080p Low to 88.7 at 1440p Low suggests that while the CPU can handle the simulation, the GPU's workload increases, and the overall frame rate becomes limited by the graphics pipeline. The CPU's performance is sufficient to avoid being the limiting component at 1080p, but at 4K, the GPU's lower FPS figures dominate the outcome.

How This Combo Ranks

This combination of the Intel Core i7-13700K and Intel Arc B580 ranks 1316 out of 1717 tested combos for Rust. This places it in the lower 23% of all combinations, which may seem surprising given the CPU's high percentile ranking. The rank is influenced by the GPU's modest 66th percentile standing, as the Arc B580's average benchmark score of 23021 is not exceptionally high compared to other GPUs. The combo's rank of 1316 indicates that while the CPU is a top-tier performer, the GPU holds back the overall system in this specific game.

The data shows that the CPU's strength does not translate into a high combo rank because Rust's frame rate at higher settings is GPU-limited. For instance, at 1080p Ultra, the combo achieves only 55 FPS, which is below the 60 FPS threshold often sought for smooth gameplay. The combo's rank is a reflection of the GPU's performance ceiling rather than the CPU's capability. In contrast, the CPU's nearest rivals, such as the Intel Core i7-13700KF, would likely produce similar ranks when paired with the same GPU, since the deltaPct in CPU scores is minimal. The combo's position in the database suggests that users seeking higher frame rates in Rust would need a more powerful GPU to complement the 13700K's strong computational abilities.

Settings Recommendations

Based on the measured FPS rows, the optimal settings for this combo depend on the target resolution and desired frame rate. At 1080p, the Low preset delivers 130.9 FPS, which is the highest measured average. This is suitable for competitive play where high refresh rates are beneficial. The Medium preset at 1080p yields 86.8 FPS, still above 60, and offers a balance between visual quality and performance. The High preset at 1080p provides 77.4 FPS, which is adequate for most users, while Ultra at 1080p drops to 55 FPS, which may be acceptable for those prioritizing visuals over smoothness.

For 1440p, the Low preset produces 88.7 FPS, which is the only setting that exceeds 60 FPS at this resolution. Medium at 1440p gives 63.1 FPS, just above the 60 FPS mark, making it a viable option for a smoother experience. High at 1440p yields 53.2 FPS, and Ultra at 1440p drops to 38.8 FPS, which is below ideal for fast-paced action. At 4K, no preset achieves 60 FPS. The Low preset at 4K is the best at 56.9 FPS, followed by Medium at 39 FPS, High at 32.8 FPS, and Ultra at 25.9 FPS.

The data suggests that for the best experience, users should run the game at 1080p with Medium or High settings to maintain a balance, or drop to Low if maximum frame rate is the priority. At 1440p, Low is the only setting that comfortably exceeds 60 FPS, so users with 1440p monitors should consider this preset. The 4K resolution is not recommended for this combo if smooth gameplay is desired, as even the Low preset struggles to maintain 60 FPS. The measured rows indicate that the combo is best suited for 1080p gaming, with diminishing returns at higher resolutions.

Measured FPS Breakdown

The exact measured FPS values for this combo are as follows. At 1920x1080, the Low settings produce an average of 130.9 FPS. The Medium settings yield 86.8 FPS, and the High settings produce 77.4 FPS. The Ultra settings at 1080p result in 55 FPS. These numbers show a clear downward trend as settings increase, with the difference between Low and Ultra being 75.9 FPS.

At 2560x1440, the Low settings achieve 88.7 FPS. The Medium settings produce 63.1 FPS, and the High settings yield 53.2 FPS. The Ultra settings at 1440p result in 38.8 FPS. The gap between Low and Ultra at this resolution is 49.9 FPS, which is narrower than at 1080p, indicating that the GPU is becoming more of a limiting factor.

At 3840x2160, the Low settings produce 56.9 FPS. The Medium settings yield 39 FPS, and the High settings result in 32.8 FPS. The Ultra settings at 4K produce 25.9 FPS. The difference between Low and Ultra at 4K is 31 FPS, which shows that the GPU's performance ceiling is reached at this resolution, and settings changes have a smaller impact on frame rate.

These measured values are consistent across all settings and resolutions, demonstrating that the combo's performance is predictable and scales with the workload. The data shows that the highest frame rate is achieved at 1080p Low with 130.9 FPS, and the lowest is at 4K Ultra with 25.9 FPS. The full breakdown provides a clear picture of the combo's capabilities, and the numbers indicate that for the best visual fidelity, the 1080p High setting is a reasonable choice, while for maximum frame rate, the 1080p Low setting is the clear winner.