Rust

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

The AMD Ryzen 9 9900X3D is a 12-core, 24-thread processor based on the Zen 5 architecture, built on a 4 nm process at TSMC. Its base clock sits at 4.40 GHz with a boost clock of 5.50 GHz, and it carries a substantial 128 MB L3 cache. The CPU’s benchmark profile shows strong multi-threaded capability: it scores 47,737 in Cinebench R23 multi-core and 6,739 in single-core, while Geekbench results reach 22,884 multi-core and 3,041 single-core. In PassMark’s multi-thread test, the chip posts 56,154, and its 3DMark max-thread score is 13,795.

In Rust, the CPU’s role is significant, but the measured frame rates across all settings and resolutions suggest the GPU is the dominant constraint. The game’s simulation and entity-update logic tend to scale with single-thread performance, and this chip’s 5.50 GHz boost clock and single-thread score of 6,739 in Cinebench R23 are strong assets. However, the data shows that even at 1080p Low, where CPU load is typically highest relative to GPU, the average FPS is 97 — a figure that is far below what the 9900X3D alone could deliver if the GPU were not limiting. The CPU’s 91st percentile ranking among all tested CPUs places it well above most processors in the database, yet the measured performance in Rust is capped by the companion GPU.

The 12-core configuration provides ample headroom for background tasks and game-server overhead, which Rust often generates due to its persistent-world simulation. The 128 MB L3 cache is particularly relevant for Rust’s asset streaming and procedural map generation, as larger caches can reduce memory latency for frequently accessed data. Still, the benchmark results indicate that the CPU is not the bottleneck: the transition from 1080p Low (97 FPS) to 4K Low (40 FPS) shows a 57 FPS drop, a pattern that points to GPU-bound behavior as resolution increases.

Settings Recommendations — which preset gives the best experience per the measured rows

The measured data includes four presets at each of three resolutions: Low, Medium, High, and Ultra. At 1080p, the Low preset delivers an average of 97 FPS, which is the highest frame rate recorded in the entire dataset. Medium at 1080p drops to 65 FPS, High to 55 FPS, and Ultra to 42 FPS. The step from Low to Medium costs 32 FPS (a 33% reduction), while the step from Medium to High costs another 10 FPS (a 15% reduction), and High to Ultra costs 13 FPS (a 24% reduction). The diminishing returns become clear: the gap between Low and Medium is the largest single-step penalty, suggesting that the Medium preset engages additional GPU workload that the RTX 3050 4 GB struggles to sustain.

At 1440p, Low yields 67 FPS, Medium 45 FPS, High 38 FPS, and Ultra 29 FPS. The relative pattern is similar, but every preset is roughly 30% lower than its 1080p counterpart. At 4K, the numbers fall further: Low averages 40 FPS, Medium 27 FPS, High 22 FPS, and Ultra 17 FPS. None of the 4K presets reach 60 FPS, and even the Low preset falls well short of smooth gameplay.

For the best experience per the measured rows, the 1080p Low preset is the only configuration that approaches a consistently playable frame rate, with an average of 97 FPS. If visual fidelity is a priority, 1080p Medium at 65 FPS offers a reasonable middle ground, but the 32 FPS penalty over Low is substantial. At 1440p, Low at 67 FPS is the only preset above 60 FPS, while all other 1440p settings fall below that threshold. The data suggests that this combo is best suited to 1080p with the Low preset, and that any move toward higher presets or resolutions incurs severe frame-rate costs.

Resolution Scaling — how FPS drops from 1080p to 4K and what it says about the limiting component

The FPS scaling across resolutions reveals a classic GPU-bound pattern. At Low settings, the average frame rate drops from 97 FPS at 1080p to 67 FPS at 1440p, then to 40 FPS at 4K. That is a 31% reduction from 1080p to 1440p, and a further 40% reduction from 1440p to 4K. The total drop from 1080p to 4K is 59%, which is a steep decline but not as severe as what a purely GPU-limited scenario might show if the GPU were even weaker.

At Medium settings, the progression is 65 FPS (1080p) → 45 FPS (1440p) → 27 FPS (4K). The percentage drops are 31% and 40%, respectively, mirroring the Low preset’s scaling almost exactly. At High settings, the numbers are 55 FPS → 38 FPS → 22 FPS, with drops of 31% and 42%. At Ultra, the pattern continues: 42 FPS → 29 FPS → 17 FPS, with drops of 31% and 41%. The consistency of these percentages across all four presets is striking — each resolution step reduces FPS by roughly the same proportion regardless of quality level.

This uniformity indicates that the limiting component scales predictably with pixel count, which is the hallmark of a GPU bottleneck. If the CPU were the constraint, we would expect FPS to remain relatively flat as resolution increases, since the CPU work per frame does not change with pixel count. Instead, the data shows a near-linear relationship between resolution and frame rate, confirming that the RTX 3050 4 GB is the primary limiter. The CPU’s high single-thread performance and large cache are effectively wasted at higher resolutions because the GPU cannot keep up with the pixel-shading workload.

The 4K results are particularly telling: even at Low settings, the average FPS is only 40, which is below the 60 FPS target for smooth gameplay. At Ultra 4K, the 17 FPS average makes the game nearly unplayable. The resolution scaling data strongly suggests that any attempt to play Rust at 1440p or above will be severely constrained by the GPU, regardless of the CPU’s capability.

How This Combo Ranks — use comboRankInGame vs other tested combos

This specific combination of the AMD Ryzen 9 9900X3D with the NVIDIA GeForce RTX 3050 4 GB ranks 2,581 out of 2,953 tested combos in Rust. That places it in the bottom 13% of all combinations in the database. The rank is a direct reflection of the GPU’s limitations — the CPU is a high-end part (91st percentile among all CPUs), but the GPU sits at the 50th percentile among all GPUs, and its 4 GB VRAM is a significant handicap for a game like Rust that can consume substantial memory for textures and world data.

The combo rank is substantially lower than what the CPU alone would suggest. The 9900X3D’s nearest rivals in CPU benchmarks include the Intel Core Ultra 5 245KF (average score 55,093, delta -0.6%), the Intel Core Ultra 5 245K (54,053, delta +1.3%), the Intel Xeon 6505P (53,701, delta +2%), and the Intel Core i7-14700F (53,620, delta +2.1%). The 9900X3D’s average benchmark score is 54,762, which puts it in the same performance class as these processors. Yet in Rust, this combo’s rank is dragged down by the GPU, which has no nearest rivals listed in the data — a sign that it is an outlier on the low end of the GPU spectrum.

The bottom-quartile ranking means that most other tested combos deliver better frame rates in Rust. This is not a reflection of the CPU’s capability, but rather a mismatch between a high-end processor and an entry-level GPU. The data shows that the combo’s performance is entirely GPU-bound, and the rank would likely improve dramatically with a more capable graphics card. For users considering this pairing, the rank serves as a warning that the GPU will prevent the CPU from showing its true potential in Rust.

GPU Role — VRAM, clocks, and how they relate to this game's results

The NVIDIA GeForce RTX 3050 4 GB is built on the Ampere architecture with the GA107 chip, fabricated on an 8 nm process at Samsung. It has 2,048 shading units, 64 texture mapping units, and 32 raster output units, along with 16 ray tracing cores and 64 tensor cores. The boost clock is 1,740 MHz, and the memory runs at 12 Gbps effective on a 128-bit bus, yielding a bandwidth of 192.0 GB/s. The GPU’s 4 GB GDDR6 memory is a critical limitation for Rust, which can require significant VRAM for high-resolution textures and draw distances.

The GPU’s FP32 performance is 7.127 TFLOPS, and its pixel rate is 55.68 GPixel/s with a texture rate of 111.4 GTexel/s. These figures place the RTX 3050 4 GB in the mid-to-low range for modern GPUs, and its 50th percentile ranking among all GPUs confirms this. The 4 GB VRAM is particularly problematic for Rust at higher settings, as the game’s asset streaming can easily exceed this capacity, leading to texture swapping that can cause frame-time spikes — though the measured data does not include min FPS for most rows, the Medium preset shows min FPS values of 55 at 1080p, 38 at 1440p, and 23 at 4K, which are 15-17% below the respective averages.

The GPU’s role in the measured results is dominant. At 1080p Low, the GPU manages 97 FPS, which is respectable for an entry-level card. But the moment settings increase, the GPU’s limited shading power and VRAM capacity become apparent. The 4 GB VRAM is likely the reason why the Ultra preset at 1080p yields only 42 FPS — a 57% drop from Low — as the GPU must handle both higher shading loads and larger texture sets. The 128-bit memory bus and 192 GB/s bandwidth are also constraints, as Rust’s world streaming requires substantial memory throughput.

The GPU’s 90 W TDP and 250 W suggested PSU indicate that this is a low-power part, which aligns with its performance profile. The data shows that the GPU is the clear bottleneck in this combo, and its 4 GB VRAM is a fundamental limitation for Rust at higher settings. The lack of nearest rivals for the GPU in the fact pack underscores its position as an outlier on the low end, and the measured FPS reflects this.

Measured FPS Breakdown — resolution by resolution, settings by settings, exact numbers

The measured FPS data covers three resolutions and four settings presets, with average FPS values for every row and min/max values for the Medium preset only.

1080p (1920x1080):

• Low: average 97 FPS
• Medium: average 65 FPS, min 55, max 75
• High: average 55 FPS
• Ultra: average 42 FPS

1440p (2560x1440):

• Low: average 67 FPS
• Medium: average 45 FPS, min 38, max 52
• High: average 38 FPS
• Ultra: average 29 FPS

4K (3840x2160):

• Low: average 40 FPS
• Medium: average 27 FPS, min 23, max 31
• High: average 22 FPS
• Ultra: average 17 FPS

The Medium preset’s min/max values provide insight into frame-time consistency. At 1080p, the min FPS of 55 is 15% below the average of 65, suggesting some frame-time variance but not catastrophic stuttering. At 1440p, the min of 38 is 16% below the average of 45, and at 4K, the min of 23 is 15% below the average of 27. Across all resolutions, the min FPS is roughly 15% lower than the average, indicating a consistent pattern of frame-time spikes that occur regardless of resolution. This consistency suggests that the spikes are likely due to the GPU’s VRAM limitations or driver overhead, rather than resolution-specific effects.

The gap between Low and Ultra at each resolution is substantial: at 1080p, the difference is 55 FPS (97 vs 42); at 1440p, it is 38 FPS (67 vs 29); and at 4K, it is 23 FPS (40 vs 17). The absolute gap shrinks as resolution increases because the GPU is already struggling at low settings, leaving less headroom for higher presets. The percentage gap, however, remains similar — Ultra is roughly 57% slower than Low at 1080p, 57% slower at 1440p, and 58% slower at 4K. This uniformity further confirms the GPU-bound nature of the combo.

FAQ — 4-6 Q&A pairs answerable from FACT PACK data

Q: What is the best resolution and preset for this combo in Rust based on the measured data?

A: The 1080p Low preset provides the highest average FPS at 97, which is the only configuration in the dataset that approaches a smooth 100 FPS experience. At 1440p, Low drops to 67 FPS, and at 4K, Low yields 40 FPS. All other presets at any resolution fall below 97 FPS, with 1080p Medium at 65 FPS being the next best option, though it is 33% slower than Low.

Q: How much performance is lost when moving from 1080p to 4K at the same settings?

A: At Low settings, the average FPS drops from 97 at 1080p to 40 at 4K, a 59% reduction. At Medium, it drops from 65 to 27, a 58% reduction. At High, it drops from 55 to 22, a 60% reduction. At Ultra, it drops from 42 to 17, a 60% reduction. The consistent ~59-60% drop indicates GPU-bound scaling.

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

A: The data strongly indicates the GPU is the limiter. The CPU scores 47,737 in Cinebench R23 multi-core and ranks in the 91st percentile among all CPUs, while the GPU’s 4 GB VRAM and 50th percentile ranking create a bottleneck. The resolution scaling pattern — uniform FPS drops across all presets — is typical of GPU-bound performance, and the GPU’s low FP32 throughput (7.127 TFLOPS) cannot keep pace with the CPU’s capability.

Q: What frame rates can be expected at 1440p Medium settings?

A: The measured data shows an average of 45 FPS at 1440p Medium, with a min of 38 and a max of 52. This is below the 60 FPS target for smooth gameplay, and the min FPS of 38 indicates noticeable frame-time dips during demanding scenes.

Q: How does this combo rank compared to other tested combinations in Rust?

A: This combo ranks 2,581 out of 2,953 tested combos, placing it in the bottom 13% of all combinations. The rank is primarily dragged down by the GPU, as the CPU’s 91st percentile standing is nullified by the RTX 3050 4 GB’s performance ceiling.

Q: What is the impact of the 4 GB VRAM on Rust’s performance at higher presets?

A: The 4 GB VRAM is a critical limitation. At 1080p Ultra, the average FPS drops to 42, and at 4K Ultra, it falls to 17. The Medium preset’s min FPS values (55 at 1080p, 38 at 1440p, 23 at 4K) are consistently 15% below the averages, suggesting VRAM pressure causes frame-time spikes. The GPU’s 192.0 GB/s bandwidth on a 128-bit bus further constrains texture streaming at higher settings.