Rust

The AMD Ryzen 9 7900X paired with the NVIDIA GeForce RTX 4080 SUPER delivers a high-performance foundation for Rust, a survival title that stresses both CPU logic and GPU rendering. The measured frame rates across resolutions and settings show a system capable of high refresh rates at 1080p and 1440p, with 4K Ultra presenting a demanding scenario. The data shows a clear progression where the CPU keeps pace with the GPU at lower resolutions, but the GPU becomes the primary constraint as resolution scales upward.

FAQ

Q: What is the average FPS at 1080p with Low settings?

A: At 1920x1080 with Low settings, the combo achieves an average of 248 FPS, which is the highest measured average in the entire dataset for this game.

Q: How much of a performance drop is there from 1080p to 4K at High settings?

A: At High settings, the average FPS drops from 162 at 1080p to 66 at 4K. This represents a decrease of 96 FPS, or roughly 59% lower performance at the higher resolution.

Q: Does the system maintain playable frame rates at 4K Ultra?

A: At 3840x2160 with Ultra settings, the average FPS is 50. While still technically playable, this is the lowest average recorded in the dataset and indicates a heavy GPU load at maximum settings.

Q: What is the difference in average FPS between Medium and Ultra settings at 1440p?

A: At 2560x1440, the Medium preset yields an average of 132 FPS, while the Ultra preset yields an average of 85 FPS. This shows a difference of 47 FPS between the two settings presets.

Q: How does the combo rank among all tested configurations for Rust?

A: The combo ranks 231 out of 3723 tested combos, placing it in the top percentile of all configurations tested in this game.

Q: What is the minimum FPS recorded at 4K Medium?

A: The measured data shows a minimum FPS of 66 at 3840x2160 with Medium settings, with a maximum of 90 FPS in the same configuration.

CPU Role

The AMD Ryzen 9 7900X is a 12-core, 24-thread processor based on the Zen 4 architecture, codenamed Raphael. It operates at a base clock of 4.70 GHz and can boost up to 5.60 GHz, providing substantial multi-threaded and single-threaded throughput. This CPU uses a 5 nm process node from TSMC and supports DDR5 memory through a dual-channel interface on the AMD Socket AM5 platform.

In Rust, which is known for its complex world simulation and physics calculations, the CPU's multi-core performance is critical. The 7900X's 3DMark results show a significant scaling from 2 threads to 16 threads, with scores of 2137 and 10972 respectively, indicating strong multi-core headroom. The Cinebench R23 multicore score of 29300 reinforces this, while the single-core score of 2016.5 shows it can handle single-threaded game logic efficiently.

The data indicates that at 1080p Low settings, where the GPU load is minimized, the CPU is able to push the average FPS to 248. This suggests that the Ryzen 9 7900X is not a bottleneck in this scenario. The PassMark single-thread score of 4238 and multithread score of 51406 further confirm a balanced high-end processor. The CPU's 64 MB of shared L3 cache is beneficial for the large, data-intensive worlds typical of survival games like Rust.

Benchmark results place the 7900X in the 91st percentile among all CPUs. It performs nearly identically to the AMD EPYC 7313P, with a deltaPct of 0.2, and is 0.6% ahead of the Intel Xeon 634 in average benchmark score. The processor's ability to maintain high frame rates at lower resolutions in Rust reflects its raw computational power, as the game's server-side and client-side simulation demands scale with core count and clock speed.

GPU Role

The NVIDIA GeForce RTX 4080 SUPER is built on the Ada Lovelace architecture and features 16 GB of GDDR6X memory on a 256-bit bus, resulting in a bandwidth of 736.3 GB/s. The GPU has a base clock of 2295 MHz and a boost clock of 2550 MHz. It contains 10240 shading units, 320 texture mapping units, and 112 raster output units. The memory clock is rated at 1438 MHz, with an effective data rate of 23 Gbps.

In Rust, the GPU is responsible for rendering the environment, including lighting, shadows, and textures. The RTX 4080 SUPER's 16 GB of VRAM is more than sufficient for the game's demands, even at 4K resolution with high-detail textures. The measured data shows that at 4K Ultra, the average FPS falls to 50, indicating that the GPU is heavily loaded at this resolution and settings combination. The GPU's FP32 performance of 52.22 TFLOPS provides the raw compute power needed for modern rendering techniques.

The GPU benchmark scores show a strong performance profile. The 3DMark Steel Nomad DX12 score is 6600, and the Geekbench Vulkan score is 260075. The PassMark G3D score of 34245 places it in the 86th percentile of all GPUs. The nearest rival in terms of average benchmark score is the NVIDIA GeForce RTX 4080, with a deltaPct of -0.1, meaning the 4080 SUPER is essentially tied with its predecessor. This indicates that the GPU's role in Rust is to provide high frame rates at 1440p, where it achieves 197 FPS on Low settings, and to maintain playable performance at 4K on Medium and High settings.

Measured FPS Breakdown

The measured FPS data provides a comprehensive view of performance across three resolutions and four settings presets. At 1920x1080, the system is clearly CPU-bound at lower settings. The Low preset yields an average of 248 FPS, which drops to 192 FPS at Medium, 162 FPS at High, and 123 FPS at Ultra. The Medium preset shows a minimum FPS of 163 and a maximum of 221, indicating a wide variance in frame times.

Moving to 2560x1440, the GPU load increases, and the frame rates adjust accordingly. The Low preset averages 197 FPS, Medium averages 132 FPS (with a min of 112 and max of 152), High averages 112 FPS, and Ultra averages 85 FPS. The performance gap between Low and Ultra at 1440p is 112 FPS, showing the significant impact of graphical fidelity on this hardware.

At 3840x2160, the GPU becomes the primary limiting factor. The Low preset still manages an average of 116 FPS, but the Medium preset drops to 78 FPS (with a min of 66 and max of 90), High drops to 66 FPS, and Ultra drops to 50 FPS. The data shows a clear trend: as resolution increases, the CPU's influence wanes, and the GPU's rendering capabilities dictate the final frame rate. The difference between 1080p Low and 4K Low is 132 FPS, while the difference between 1080p Ultra and 4K Ultra is 73 FPS, indicating that the GPU is the bottleneck at higher resolutions.

Resolution Scaling

The scaling of FPS from 1080p to 4K reveals the dynamics between CPU and GPU load. At Low settings, the average FPS drops from 248 at 1080p to 116 at 4K, a decrease of 53%. This shows that even at low graphical fidelity, the 4K resolution imposes a substantial rendering burden on the GPU. At Medium settings, the drop is from 192 FPS to 78 FPS, a 59% reduction.

The High preset shows a similar pattern: 162 FPS at 1080p drops to 66 FPS at 4K, a 59% decrease. The Ultra preset sees the smallest relative drop, from 123 FPS to 50 FPS, a 59% reduction as well. This consistent percentage drop across settings indicates that the 4K resolution is scaling the GPU workload nearly linearly, regardless of the preset.

The data suggests that at 1080p, the CPU is able to feed the GPU efficiently, but the GPU is still the limiting factor at 4K. The fact that the 1080p Low setting reaches 248 FPS while the 4K Low setting only reaches 116 FPS underscores the pixel-count impact. The RTX 4080 SUPER's 736.3 GB/s memory bandwidth and 16 GB VRAM are sufficient for the data, but the sheer number of pixels at 4K requires more shading and rasterization work, which ultimately caps performance.

Settings Recommendations

Based on the measured rows, the optimal settings preset depends on the target resolution and refresh rate. For 1080p displays with high refresh rates (144Hz or above), the High preset is recommended, as it delivers an average of 162 FPS while maintaining a higher level of visual detail than Medium. The Ultra preset at 1080p, with an average of 123 FPS, is still viable for 120Hz displays but sacrifices some performance for marginal visual gains.

At 1440p, the Medium preset offers a balanced experience with an average of 132 FPS, which is suitable for 144Hz monitors. The High preset at 112 FPS is also acceptable for 120Hz displays, while the Ultra preset at 85 FPS is best for 60-75Hz panels or users prioritizing image quality. The Low preset at 197 FPS is unnecessary for most displays but shows the system's headroom.

For 4K resolution, the Medium preset provides the best balance, with an average of 78 FPS and a minimum of 66 FPS. This is playable on a 60Hz display, though some users may prefer the High preset at 66 FPS for better visuals, accepting a lower minimum performance. The Ultra preset at 50 FPS is not recommended for competitive play, but it remains an option for visually immersive single-player experiences. The Low preset at 116 FPS is a viable choice for high-refresh-rate 4K monitors, albeit with reduced graphical fidelity.

How This Combo Ranks

The combination of the AMD Ryzen 9 7900X and the NVIDIA GeForce RTX 4080 SUPER achieves a rank of 231 out of 3723 tested combos in Rust. This places it in the top 6.2% of all configurations, reflecting the high-end nature of both components. The CPU's 91st percentile ranking among all CPUs and the GPU's 86th percentile ranking among all GPUs contribute to this strong overall position.

In comparison to other tested combos, this system offers a balanced high-performance profile. The CPU's nearest rivals include the AMD EPYC 7313P, which is nearly identical in average benchmark score (within 0.2%), and the Intel Core i7-14700F, which is 0.6% higher. The GPU's nearest rival, the RTX 4080, is essentially tied with a deltaPct of -0.1. This indicates that the combo's rank is driven by the combination of two top-tier components working well together in Rust's specific workload.

The rank suggests that very few configurations outperform this setup in Rust, with the top 231 combos likely consisting of even higher-tier CPUs like the Ryzen 9 7950X3D or newer GPUs. However, the measured data shows that this combo is capable of delivering exceptional frame rates at 1080p and 1440p, and solid 4K performance, making it a strong choice for players who demand high refresh rates without compromising on resolution.