Rust

The AMD Ryzen 7 5800X and NVIDIA GeForce RTX 4080 SUPER combination delivers a robust Rust experience, but the performance scaling across resolutions reveals a clear shift in bottleneck behavior. At 1080p, the system is heavily CPU-limited, with the RTX 4080 SUPER unable to fully stretch its legs; at 4K, the GPU takes over as the primary constraint, yielding a more predictable performance curve.

Resolution Scaling

The measured FPS data shows a steep, predictable decline as resolution increases, but the rate of that decline varies significantly by settings preset. At Low settings, the system produces 202 FPS at 1920x1080, 178 FPS at 2560x1440, and 116 FPS at 3840x2160. That represents a 12% drop from 1080p to 1440p, but a substantial 35% drop from 1440p to 4K. This pattern indicates that at Low settings, the CPU is the limiting factor at 1080p and 1440p, while the GPU becomes the constraint as pixel count climbs toward 4K.

The High preset tells a similar story with different magnitudes: 162 FPS at 1080p, 112 FPS at 1440p, and 66 FPS at 4K. The 1080p-to-1440p drop is 31%, and the 1440p-to-4K drop is 41%. The larger percentage losses at higher settings suggest that the graphics workload is scaling more aggressively, which is expected given the increased shading and texture demands of Rust’s High preset on the RTX 4080 SUPER’s 16 GB of GDDR6X memory.

Medium settings show the most balanced scaling curve: 174 FPS at 1080p, 132 FPS at 1440p, and 78 FPS at 4K. The 1080p-to-1440p reduction is 24%, and the 1440p-to-4K reduction is 41%. This preset appears to strike a middle ground where neither component is completely dominant, though the 4K result still reveals a GPU-bound scenario.

Ultra settings produce the steepest curve: 123 FPS at 1080p, 85 FPS at 1440p, and 50 FPS at 4K. The 31% drop from 1080p to 1440p and the 41% drop from 1440p to 4K mirror the High preset’s scaling, but the absolute numbers are lower across the board. The 4K Ultra result of 50 FPS is the only measured configuration that falls below the 60 FPS threshold, indicating that this preset is too demanding for smooth 4K play on this hardware.

The data suggests that at 1080p, the Ryzen 7 5800X’s 8 cores and 16 threads are the primary bottleneck, as the FPS differences between Low and Ultra (202 vs. 123) are smaller than at higher resolutions. At 4K, the RTX 4080 SUPER’s rendering load dominates, and the CPU has enough headroom to feed the GPU adequately. This is a classic sign of a well-balanced pairing for high-refresh 1440p gaming, where the combination delivers strong performance without severe stutter or frame-time spikes.

How This Combo Ranks

In the database of tested combinations, this pairing ranks 356th out of 3,723 total combos for Rust. That places it in the top 9.6% of all tested systems, which is a strong showing for a last-generation CPU paired with a current-generation GPU. The rank reflects the overall performance across all measured resolutions and settings, and the data indicates that this combo is well above the median.

The Ryzen 7 5800X itself sits at the 81st percentile among all CPUs in the benchmark database, with an average benchmark score of 29,123. Its nearest rivals include the Intel Core Ultra 5 135H (average score 29,093, delta 0.1%), the Intel Xeon Phi 7210 (29,245, delta -0.4%), and the Intel Core i5-13500HX (29,270, delta -0.5%). The 5800X essentially trades blows with these chips, with a negligible 0.1% advantage over the Core Ultra 5 135H and a 0.5% deficit to the i5-13500HX. This indicates that the CPU’s raw compute performance is competitive with much newer mobile and desktop parts, despite its 2020 release.

The RTX 4080 SUPER ranks at the 86th percentile among all GPUs, with an average benchmark score of 54,209. Its nearest rival is the standard RTX 4080 (score 54,247, delta -0.1%), which the SUPER trails by just 0.1%—essentially a statistical tie. The AMD Radeon Pro W5700X is 1.1% ahead, and the AMD Radeon RX 6750 GRE 12 GB is 2.7% ahead, though these are less relevant comparisons for gaming. The fact that the SUPER is virtually identical to the non-SUPER 4080 in synthetic benchmarks suggests that the 4080 SUPER’s higher clocks are offset by other architectural factors in Rust’s specific workload.

The combo rank of 356 out of 3,723 is particularly notable because it reflects Rust’s unique optimization profile. Rust is known to be CPU-intensive in its simulation and entity-tick logic, and the 5800X’s 8-core/16-thread configuration handles this well without becoming a severe bottleneck at 1440p. The RTX 4080 SUPER’s 16 GB VRAM is ample for Rust’s texture streaming, and the data shows that the GPU is not the limiting factor until 4K Ultra.

GPU Role

The NVIDIA GeForce RTX 4080 SUPER is built on the Ada Lovelace architecture with a 5 nm process and features 10,240 shading units, 320 texture mapping units, and 112 ROPs. Its boost clock is 2550 MHz, with a base clock of 2295 MHz. The memory subsystem consists of 16 GB of GDDR6X on a 256-bit bus, delivering 736.3 GB/s of bandwidth. This is a high-end configuration that is more than capable of handling Rust’s graphics demands.

In the measured FPS data, the GPU’s role becomes apparent when comparing the Low and Ultra presets at each resolution. At 1080p, the difference between Low (202 FPS) and Ultra (123 FPS) is 79 FPS, which is a 39% reduction. At 1440p, the gap widens to 93 FPS (178 vs. 85), a 52% reduction. At 4K, the gap narrows to 66 FPS (116 vs. 50), a 57% reduction. This increasing percentage gap at higher resolutions is a classic sign of the GPU becoming the dominant bottleneck, as the shading and texture work scales with pixel count.

The RTX 4080 SUPER’s 16 GB VRAM is not a limiting factor in Rust, as the game’s maximum texture quality at Ultra settings does not appear to exceed this capacity in the measured scenarios. The 4K Ultra result of 50 FPS is the only sub-60 FPS outcome, and this is due to raw compute throughput rather than memory capacity. The GPU’s 52.22 TFLOPS of FP32 performance is sufficient for 1440p Ultra at 85 FPS, but the 4K Ultra workload demands more than the chip can deliver while maintaining 60 FPS.

The GPU’s benchmark results show a 3DMark Steel Nomad DX12 score of 6,600, a Geekbench OpenCL score of 219,065, and a Geekbench Vulkan score of 260,075. These synthetic results confirm that the RTX 4080 SUPER is a top-tier GPU, but Rust’s engine is not purely GPU-bound at lower resolutions. The fact that the 1080p Low result (202 FPS) is only slightly higher than the 1080p Medium result (174 FPS) suggests that the CPU is preventing the GPU from reaching even higher frame rates.

Settings Recommendations

Based on the measured FPS rows, the Medium preset offers the best balance of visual quality and performance for this combination. At 2560x1440, Medium delivers 132 FPS average with a minimum of 112 FPS and a maximum of 152 FPS. This is well above the 60 FPS threshold for smooth gameplay, and it provides a 47 FPS advantage over High settings at the same resolution. The 1440p Medium result also shows only a 42 FPS drop from the 1080p Medium result, indicating that the GPU has sufficient headroom.

For players prioritizing maximum frame rates, the Low preset at 1920x1080 yields 202 FPS, which is ideal for high-refresh-rate monitors. However, the visual compromise is significant, and the data shows that the 1080p Low result is only 28 FPS higher than the 1080p Medium result. This suggests that the CPU is the limiting factor at 1080p Low, and the GPU has untapped potential that Medium settings can utilize without a major FPS penalty.

At 4K, the Medium preset is the highest playable option, with 78 FPS average and a minimum of 66 FPS. The High preset at 4K drops to 66 FPS average, which is borderline for competitive play, and Ultra falls to 50 FPS, which is not recommended. The Medium preset at 4K provides a smooth experience that retains most of the visual fidelity, making it the optimal choice for this resolution.

For the best overall experience, the data suggests that 1440p Medium is the sweet spot. It offers 132 FPS average, which is smooth for both competitive and casual play, and it only sacrifices 30 FPS compared to Low settings while providing substantially better visuals. The High preset at 1440p (112 FPS) is also viable, but the 20 FPS gain from moving to Medium is worth the visual trade-off for most players.

Measured FPS Breakdown

At 1920x1080, the performance across settings is as follows: Low produces 202 FPS, Medium produces 174 FPS (minimum 148, maximum 200), High produces 162 FPS, and Ultra produces 123 FPS. The scaling from Low to Ultra is a 39% reduction, which is modest compared to higher resolutions. The Medium preset’s minimum of 148 FPS is notably high, indicating that frame times are consistent and stutter is unlikely.

At 2560x1440, the results are: Low 178 FPS, Medium 132 FPS (minimum 112, maximum 152), High 112 FPS, and Ultra 85 FPS. The Low-to-Ultra reduction is 52%, showing that the GPU is becoming more involved. The Medium preset’s minimum of 112 FPS is still well above the 60 FPS threshold, and the maximum of 152 FPS suggests that there is headroom for occasional peaks.

At 3840x2160, the results are: Low 116 FPS, Medium 78 FPS (minimum 66, maximum 90), High 66 FPS, and Ultra 50 FPS. The Low-to-Ultra reduction is 57%, confirming the GPU-bound nature of 4K. The Medium preset’s minimum of 66 FPS is just above the 60 FPS line, and the maximum of 90 FPS indicates that the game is playable but not smooth enough for high-refresh displays.

The data shows a consistent pattern: the gap between Medium and High narrows as resolution increases. At 1080p, Medium is 12 FPS ahead of High; at 1440p, it is 20 FPS ahead; and at 4K, it is 12 FPS ahead. This suggests that Medium is a more efficient preset that avoids some of the GPU-intensive effects that High enables, while still maintaining a solid visual baseline.

CPU Role

The AMD Ryzen 7 5800X is a Zen 3 architecture processor with 8 cores and 16 threads, base clock of 3.80 GHz, and boost clock of 4.70 GHz. It features 32 MB of L3 cache and supports dual-channel DDR4 memory with a bandwidth of 51.2 GB/s. The CPU’s 3DMark scores show a 16-thread result of 7,586 and a single-thread result of 943, with a max-thread result of 7,578. Cinebench R23 scores are 15,476 multi-core and 1,574.5 single-core, while Geekbench scores are 11,036 multi-core and 2,032 single-core.

In Rust, the CPU’s role is primarily in handling the game’s server-side simulation and entity management, which scales with the number of players and structures on the map. The 5800X’s 8 cores are sufficient for this task, and the data shows that at 1080p Low, the CPU is the bottleneck, as the FPS does not scale proportionally with the GPU’s capability. The 1080p Low result of 202 FPS is likely near the CPU’s maximum frame rate for this game, regardless of GPU.

The CPU’s nearest rivals in the benchmark database include the Intel Core Ultra 5 135H (delta 0.1%), which is a mobile chip with a similar average score, and the Intel Core i5-13500HX (delta -0.5%), which is also a mobile part. This indicates that the 5800X’s desktop-class performance is competitive with newer mobile processors, but it is not a top-tier CPU by 2024 standards. However, for Rust, the 8-core/16-thread configuration is more than adequate, as the game does not typically utilize more than 8 threads effectively.

The CPU’s PassMark multi-thread score of 27,732 and single-thread score of 3,445 further confirm its mid-range standing. The data suggests that the 5800X is not a limiting factor at 1440p or 4K, where the GPU dominates. At 1440p Medium, the 132 FPS result is likely GPU-limited, as the CPU has enough headroom to feed the RTX 4080 SUPER without causing frame drops. The 4K results show even less CPU involvement, with the GPU clearly being the constraining component.

One notable aspect is the CPU’s memory bandwidth of 51.2 GB/s, which is lower than what newer platforms offer. In Rust, which is known for its memory-heavy entity updates, this could theoretically cause micro-stutters in large bases or heavily populated servers. However, the measured minimum FPS values do not indicate severe drops, with the lowest being 66 FPS at 4K Medium. This suggests that the dual-channel DDR4 configuration is sufficient for Rust’s current optimization, even if it is not ideal.