Rust

# Rust Performance Analysis: Intel Core i7-13700K + AMD Radeon RX 7800 XT

The Intel Core i7-13700K paired with the AMD Radeon RX 7800 XT delivers a compelling Rust experience across all tested resolutions, with the combo ranking 1207th out of 3723 tested configurations in this survival title. The 16-core, 24-thread Raptor Lake processor, boosting to 5.40 GHz, combines with the 16 GB RDNA 3.0 GPU to produce frame rates ranging from 36 FPS at 4K Ultra to 203 FPS at 1080p Low. This analysis breaks down the measured performance data, explores how the CPU and GPU interact under Rust's demanding load, and provides settings guidance based on the benchmark results.

FAQ

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

A: The Low preset delivers the highest average framerate at 1920x1080, reaching 203 FPS. Medium follows at 137 FPS, High at 115 FPS, and Ultra drops to 88 FPS. For competitive play, Low provides the maximum headroom, while Medium offers a strong balance between visual quality and speed.

Q: How does the RX 7800 XT's 16 GB VRAM influence Rust performance?

A: The 16 GB GDDR6 memory on a 256-bit bus with 624.1 GB/s bandwidth provides ample capacity for Rust's texture-heavy environments. The data shows significant framerate scaling with settings changes—from 47 FPS at 4K High to 36 FPS at 4K Ultra—indicating the GPU is handling increasing memory and shading loads without hitting capacity limits.

Q: Which resolution shows the smallest performance gap between Low and Ultra settings?

A: At 3840x2160, the gap between Low (83 FPS) and Ultra (36 FPS) is 47 FPS. At 2560x1440, the gap expands to 80 FPS (140 to 60), and at 1920x1080 it widens further to 115 FPS (203 to 88). The 4K results show the GPU becoming the limiting factor, compressing the settings-based performance spread.

Q: Is the Core i7-13700K bottlenecking the RX 7800 XT in Rust?

A: Benchmark results suggest the CPU is not the primary constraint at higher resolutions. The framerate drop from 115 FPS at 1080p High to 79 FPS at 1440p High (a 31% reduction) and then to 47 FPS at 4K High (a further 40% reduction) indicates GPU-bound scaling as resolution increases, consistent with the RX 7800 XT's 51st percentile ranking among all GPUs.

Q: What is the lowest framerate recorded in the entire dataset?

A: The minimum average FPS is 36, recorded at 3840x2160 with Ultra settings. The Medium preset at 4K shows a min FPS of 47 with a max of 64, while the 1080p Medium preset shows a min of 116 and max of 157, demonstrating how resolution and settings jointly impact frame pacing.

Q: How does this combo's ranking compare to the total number of tested configurations?

A: The combo ranks 1207th out of 3723 tested combinations, placing it in the top 32% of all configurations in the database for Rust. This mid-tier ranking reflects the balance between the i7-13700K's strong single-thread performance and the RX 7800 XT's mid-range GPU positioning.

GPU Role

The AMD Radeon RX 7800 XT, built on the RDNA 3.0 architecture with the Navi 32 chip, plays a decisive role in Rust's visual output. Its 16 GB of GDDR6 memory across a 256-bit bus delivers 624.1 GB/s of bandwidth, which is substantial for a survival game that streams large open-world environments. The GPU's boost clock reaches 2430 MHz, with a game clock of 2124 MHz, providing the raw shading throughput—37.32 TFLOPS FP32—needed to handle Rust's draw calls and post-processing effects.

The measured FPS data reveals how the GPU's capabilities scale with settings. At 1080p, the RX 7800 XT pushes 203 FPS on Low settings, but this drops to 88 FPS on Ultra—a 56.7% reduction. This steep decline suggests that Ultra settings introduce computationally expensive effects that heavily tax the GPU's 3840 shading units and 96 ROPs. The Medium preset at 1080p (137 FPS) shows a more reasonable compromise, while High (115 FPS) sits closer to the Ultra end of the spectrum.

At 1440p, the same pattern emerges with compressed absolute numbers: Low hits 140 FPS, Medium 94 FPS, High 79 FPS, and Ultra 60 FPS. The gap between Low and Ultra narrows to 80 FPS, compared to 115 FPS at 1080p, indicating that resolution scaling begins to dominate over settings-based differences. By 4K, the GPU's pixel throughput becomes the limiting factor—Low manages 83 FPS, Medium 55 FPS, High 47 FPS, and Ultra just 36 FPS. The 16 GB VRAM capacity appears sufficient even at 4K Ultra, as the framerate degradation follows a consistent pattern rather than a sudden collapse that would indicate memory swapping.

The GPU's 51st percentile ranking among all GPUs places it squarely in the mid-range tier, which aligns with its performance profile in Rust. The nearest rival comparisons show the RX 7800 XT's average benchmark score of 11627 sits within 1.8% of the AMD Radeon RX 6500 XT and 1.3% of the NVIDIA Tesla K20c, though these synthetic benchmarks don't fully capture gaming-specific strengths like the 60 RT cores or DirectX 12 Ultimate support.

Resolution Scaling

The measured FPS data across 1080p, 1440p, and 4K resolutions reveals a clear GPU-bound scaling pattern for this combo. Starting at 1920x1080, the average framerates range from 203 FPS (Low) to 88 FPS (Ultra). Moving to 2560x1440, these numbers drop to 140 FPS (Low) and 60 FPS (Ultra)—representing 31% and 32% reductions respectively. At 3840x2160, the decline steepens: Low falls to 83 FPS (a 41% drop from 1440p), and Ultra falls to 36 FPS (a 40% drop).

This consistent ~30-40% reduction at each resolution step indicates that the RX 7800 XT is the primary scaling bottleneck. The Core i7-13700K, with its 5.40 GHz boost clock and 30 MB of shared L3 cache, provides ample CPU headroom even at 1080p where CPU-bound scenarios typically emerge. The 1080p Low result of 203 FPS demonstrates that the CPU can feed the GPU well beyond typical display refresh rates, and the subsequent framerate drops as resolution increases are almost entirely attributable to the GPU's pixel and texture processing limits.

The Medium preset data points, which include min and max FPS values, offer additional insight into scaling behavior. At 1080p Medium, the range spans 116 to 157 FPS (average 137). At 1440p Medium, the range narrows to 80 to 108 FPS (average 94). At 4K Medium, the range tightens further to 47 to 64 FPS (average 55). This compression of the frame time distribution at higher resolutions suggests that the GPU's work becomes more uniform as pixel count increases, reducing the variance caused by scene complexity spikes—a characteristic of GPU-bound rendering.

The data also shows that the Low preset at 4K (83 FPS) outperforms the Ultra preset at 1440p (60 FPS), highlighting how settings modifications can offset resolution penalties. Players targeting 4K can achieve playable framerates by selecting Low or Medium settings, while those prioritizing visual fidelity at 1440p can still exceed 60 FPS on Ultra. The measured results indicate that 1080p remains the sweet spot for high-refresh-rate monitors, with Low and Medium both exceeding 137 FPS.

How This Combo Ranks

The Intel Core i7-13700K + AMD Radeon RX 7800 XT combination ranks 1207th out of 3723 tested combos in Rust, placing it in the upper third of all configurations. This ranking reflects a balanced pairing where neither component dramatically outperforms the other, avoiding the severe bottlenecks that can push combinations into lower percentiles.

The CPU component of this combo, the i7-13700K, holds an 89th percentile ranking among all CPUs, with an average benchmark score of 46881. Its nearest rivals include the AMD Ryzen 9 5900 (46971, 0.2% higher) and the AMD Ryzen AI 9 HX PRO 375 (47022, 0.3% higher), while it edges out the AMD Ryzen 9 7845HX (46654, 0.5% lower) and Intel Xeon w3-2535 (46653, 0.5% lower). The i7-13700K's synthetic scores—including a Cinebench R23 multi-core result of 30745 and single-core of 2116—demonstrate strong all-around processing power that translates well to Rust's simulation-heavy gameplay.

The GPU, RX 7800 XT, ranks lower at the 51st percentile among all GPUs, with an average benchmark score of 11627. Its nearest rivals show a tight cluster: the NVIDIA GeForce GTX 1660 (11680, 0.5% higher), AMD Radeon Pro 5500M (11528, 0.9% lower), NVIDIA Tesla K20c (11479, 1.3% lower), and AMD Radeon RX 6500 XT (11842, 1.8% higher). This mid-range GPU positioning explains why the overall combo ranks in the top third rather than higher—the GPU's 51st percentile pulls down what the CPU's 89th percentile alone would suggest.

In the context of Rust specifically, the combo's 1207th ranking out of 3723 suggests that many configurations with higher-end GPUs achieve better framerates, but the i7-13700K ensures the system remains responsive even when GPU load spikes. The 16-core, 24-thread CPU with its 125 W TDP provides consistent performance across the benchmark suite, from the 3DMark max-thread score of 12412 to the Geekbench multi-core result of 19429, ensuring that Rust's server-side simulation and entity updates don't cause CPU stalls.

Measured FPS Breakdown

The dataset includes 12 measured FPS rows, covering four settings presets (Low, Medium, High, Ultra) at three resolutions (1920x1080, 2560x1440, 3840x2160). Medium settings include min and max FPS values; other presets report only averages.

At 1920x1080, the results are: Low averages 203 FPS; Medium averages 137 FPS with a range of 116 to 157; High averages 115 FPS; Ultra averages 88 FPS. The 115 FPS spread between Low and Ultra is the largest across all resolutions, confirming that 1080p is the most GPU-favorable scenario where settings choices have maximum impact.

At 2560x1440, the averages are: Low at 140 FPS; Medium at 94 FPS (min 80, max 108); High at 79 FPS; Ultra at 60 FPS. The percentage drop from 1080p Low to 1440p Low is 31%, while the drop from 1080p Ultra to 1440p Ultra is 31.8%, showing consistent scaling regardless of settings preset.

At 3840x2160, the averages are: Low at 83 FPS; Medium at 55 FPS (min 47, max 64); High at 47 FPS; Ultra at 36 FPS. The 4K results show the tightest absolute spread between settings (47 FPS from Low to Ultra), indicating that the GPU is approaching its throughput ceiling where even Low settings can't fully compensate for the pixel count.

The Medium preset's min/max data provides frame pacing insights. At 1080p Medium, the 41 FPS range (116 to 157) suggests some scene complexity variance but generally smooth performance. At 1440p Medium, the range narrows to 28 FPS (80 to 108), and at 4K Medium, it narrows further to 17 FPS (47 to 64). This progressive tightening of frame time variance as resolution increases is typical of GPU-bound workloads where consistent pixel processing dominates over scene-dependent CPU spikes.

Settings Recommendations

Based on the measured FPS data, the optimal settings preset depends on the target resolution and framerate goals. For 1080p gamers with high-refresh-rate displays (144 Hz or above), the Low preset at 203 FPS is the clear choice—it provides enough headroom to maintain smooth gameplay even during Rust's most demanding moments, such as large player bases or radiation zone traversals. Players preferring visual fidelity at 1080p can select Medium (137 FPS) to maintain triple-digit framerates while gaining improved textures and lighting over Low.

At 1440p, the Medium preset at 94 FPS offers the best balance for most players, providing a comfortable margin above 60 FPS while including enhanced visual effects. The High preset at 79 FPS remains viable for gamers with 75 Hz or 144 Hz monitors who prioritize image quality, though frame pacing may suffer during intense firefights. The Ultra preset at 60 FPS is playable but leaves no headroom for framerate drops; the data shows that even the Medium preset's minimum of 80 FPS exceeds Ultra's average, making Medium the safer recommendation for consistent performance.

For 4K gaming, the Low preset at 83 FPS is the only option that comfortably exceeds 60 FPS, making it the recommended choice for smooth gameplay on 4K displays. The Medium preset at 55 FPS dips below 60 FPS on average, which may cause noticeable stutter on standard 60 Hz panels. Players with adaptive sync displays (VRR) could accept Medium's 55 FPS average, but the 47 FPS minimum risks dropping below the VRR range of many monitors. The High preset at 47 FPS and Ultra at 36 FPS are best reserved for screenshot purposes or heavily scripted environments where framerate is less critical.

Across all resolutions, the Medium preset offers the most consistent frame times, as evidenced by its min/max data. The 1080p Medium range of 116 to 157 FPS, 1440p Medium range of 80 to 108 FPS, and 4K Medium range of 47 to 64 FPS all show tighter variance than the settings-level differences suggest. For players who prioritize smoothness over absolute framerate, Medium provides the most predictable performance profile. The High preset, while offering a middle ground in average FPS, lacks the min/max data in this dataset, making it a less certain choice for frame pacing-sensitive players. Ultimately, the measured data indicates that the i7-13700K + RX 7800 XT combo is best utilized at 1080p or 1440p with Medium settings, where it delivers framerates well above playability thresholds while maintaining visual quality.