Rust

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

The AMD Ryzen 9 9950X3D is a 16-core, 32-thread processor based on the Zen 5 architecture (Granite Ridge), built on TSMC's 4 nm process. Its base clock is 4.30 GHz with a boost clock of 5.70 GHz, and it carries a substantial 128 MB of L3 cache. The CPU's benchmark profile shows strong multi-threaded performance, with a Cinebench R23 multi-core score of 42018 and a single-core score of 2259, while Geekbench reports 26736 multi-core and 3064 single-core. These figures place the processor in the 95th percentile among all tested CPUs, with an average benchmark score of 75779.

In Rust, the CPU's role is substantial. The game's simulation and entity-update logic are known to be heavily reliant on single-thread performance, but the data here shows that the 9950X3D's high boost clock and large cache contribute to the observed frame rates. The processor's nearest rivals in aggregate CPU benchmarks include the AMD Ryzen 7 PRO 9755 (deltaPct 0.1), AMD Ryzen 7 PRO 9755X3D (deltaPct 0.1), AMD EPYC 8224P (deltaPct 0.3), and Intel Core Ultra 9 285 (deltaPct 0.4). The Ryzen 9 9950X3D leads this group, but the margins are razor-thin — within 0.4% of the nearest competitor.

What this means for Rust is that the CPU is not a limiting factor at most settings. At 1080p Low, the combo reaches 173 FPS average; at 1080p Ultra, it drops to 75 FPS. That spread of 98 FPS between Low and Ultra at the same resolution is primarily driven by GPU load, not CPU capacity. The 3DMark single-thread score of 1292 and 2-thread score of 2549 indicate that even lightly threaded workloads are handled efficiently, which matters for Rust's core game loop. The CPU's PassMark single-thread score of 4737 further corroborates this.

The 9950X3D also has 32 threads, which allows it to handle background tasks, server-side simulation in multiplayer contexts, and any auxiliary processes without contending with the game's main thread. Its 3DMark max-threads score of 17184 versus 16-thread score of 16374 shows that scaling beyond 16 threads yields only marginal gains — Rust does not appear to exploit the full thread count, but the headroom prevents bottlenecking from other system processes.

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

The AMD Radeon RX 6750 XT is built on the RDNA 2.0 architecture (Navi 22 chip) using TSMC's 7 nm process, with a die size of 335 mm² and 17,200 million transistors. It features 12 GB of GDDR6 memory on a 192-bit bus, delivering 432.0 GB/s of bandwidth. The GPU's base clock is 2150 MHz, with a game clock of 2495 MHz and a boost clock of 2600 MHz. Memory runs at 2250 MHz (18 Gbps effective). The card has 2560 shading units, 160 texture mapping units, and 64 ROPs, with 40 ray tracing cores. Its FP32 compute is rated at 13.31 TFLOPS.

In Rust, the GPU's role becomes increasingly dominant as resolution and settings rise. At 1080p Low, the GPU is likely underutilized relative to the CPU, allowing 173 FPS. But at 4K Ultra, the average drops to 30 FPS — a clear sign that the GPU is saturated. The RX 6750 XT sits in the 71st percentile among all tested GPUs, with an average benchmark score of 26011. Its nearest rivals in aggregate GPU benchmarks are the AMD Radeon R9 M395X (deltaPct 0.5), AMD FirePro W7100 (deltaPct 0.6), AMD FirePro D700 (deltaPct 0.7), and NVIDIA GeForce RTX 3080 Ti Mobile (deltaPct 1.1). The RX 6750 XT leads this group by a small margin, suggesting it performs at the upper edge of its class.

The 12 GB VRAM capacity is relevant for Rust at higher resolutions. While the data does not report VRAM usage, the fact that 4K High produces 40 FPS and 4K Medium produces 47 FPS — with a min of 40 and max of 54 — indicates the GPU is managing memory allocation but is compute-limited. The 432.0 GB/s memory bandwidth is a notable asset for texture streaming in Rust's open-world environment. The GPU's PassMark G3D score of 20700 and DirectX 12 score of 80 provide context for its general capability, though Rust's specific engine characteristics matter more.

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

The measured FPS data reveals a consistent pattern of performance degradation as resolution increases. At Low settings, the average FPS drops from 173 at 1080p to 119 at 1440p, then to 70 at 4K. That is a 31% drop from 1080p to 1440p, and another 41% drop from 1440p to 4K. This steep decline at Low settings indicates that even with minimal graphical load, the GPU becomes the primary constraint at higher resolutions — the CPU is capable of pushing far more frames, but the GPU cannot render them fast enough.

At High settings, the progression is 98 FPS at 1080p, 68 FPS at 1440p, and 40 FPS at 4K. The percentage drops are 31% and 41%, respectively — nearly identical to the Low settings scaling. This suggests that the GPU's workload scales roughly linearly with pixel count, and that the CPU is not introducing a bottleneck that would flatten the curve. If the CPU were the limiting factor, the FPS would stay flat across resolutions; instead, it drops consistently.

At Medium settings, the data includes min and max FPS figures. At 1080p Medium, the average is 116 FPS with a min of 99 and max of 134. At 1440p Medium, the average is 80 FPS with a min of 68 and max of 92. At 4K Medium, the average is 47 FPS with a min of 40 and max of 54. The min-to-max spread narrows as resolution increases — 35 FPS at 1080p, 24 FPS at 1440p, and 14 FPS at 4K. This indicates that at higher resolutions, the system is consistently GPU-bound, reducing frame-time variance because the GPU's render time dominates.

Ultra settings show the most dramatic scaling: 75 FPS at 1080p, 51 FPS at 1440p, and 30 FPS at 4K. The 4K Ultra result is the lowest measured on this page. The scaling pattern suggests that at 1080p Ultra, the system is still partially CPU-limited — the GPU has headroom, but the settings demand enough work that the CPU cannot fully feed it. As resolution climbs, the GPU takes over as the definitive limiter, and the FPS decline reflects pure pixel throughput.

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

The complete measured FPS dataset for Rust with this combo is as follows.

At 1920x1080, the performance spans 75 to 173 FPS depending on settings. Low averages 173 FPS. Medium averages 116 FPS, with a minimum of 99 and maximum of 134. High averages 98 FPS. Ultra averages 75 FPS. The gap between Low and Ultra is 98 FPS, which is the largest spread at any resolution. This indicates that at 1080p, settings have a profound impact on frame rate, and the CPU has enough headroom to allow the GPU's workload to vary widely without becoming a hard ceiling.

At 2560x1440, the range tightens. Low averages 119 FPS. Medium averages 80 FPS, with a minimum of 68 and maximum of 92. High averages 68 FPS. Ultra averages 51 FPS. The spread from Low to Ultra is 68 FPS. Compared to 1080p, the Low and High settings each drop by roughly the same absolute amount (54 FPS for Low, 30 FPS for High), but the percentage drop is steeper for Lower settings because the baseline is higher.

At 3840x2160, the performance is the most constrained. Low averages 70 FPS. Medium averages 47 FPS, with a minimum of 40 and maximum of 54. High averages 40 FPS. Ultra averages 30 FPS. The spread from Low to Ultra is 40 FPS. Notably, 4K High (40 FPS) and 4K Medium's minimum (40 FPS) are identical, suggesting that the GPU is hitting a hard performance wall around that threshold. The 4K Ultra result of 30 FPS is the only measured average below 30 FPS, making it the only setting where the game would feel borderline unplayable by typical standards.

The Medium settings at each resolution provide the only complete min/max data. At 1080p, the min is 99 and max is 134 (a 35 FPS window). At 1440p, the min is 68 and max is 92 (a 24 FPS window). At 4K, the min is 40 and max is 54 (a 14 FPS window). This narrowing window at higher resolutions is consistent with a GPU-bound scenario where frame time is dominated by consistent rendering costs rather than sporadic CPU hitches.

How This Combo Ranks — use comboRankInGame vs other tested combos

This specific combination of the AMD Ryzen 9 9950X3D and AMD Radeon RX 6750 XT ranks 1700 out of 3723 tested combos in Rust. That places it in the 54th percentile of all tested combinations — slightly above the median. The rank of 1700 means there are 1699 combos that perform better, and 2023 that perform worse.

Given the CPU's 95th percentile standing and the GPU's 71st percentile, the combo's overall rank is closer to the GPU's position than the CPU's. This is consistent with the resolution scaling analysis: Rust at higher settings and resolutions is GPU-limited, so the GPU's relative standing drags the combo down from what the CPU alone would suggest. The CPU is a top-tier part, but pairing it with a mid-range GPU means the combo's overall rank reflects the GPU's ceiling.

The rank of 1700 out of 3723 also implies that many combos with weaker CPUs but stronger GPUs would outperform this pairing in Rust. The data does not list those specific combos, but the implication is clear: Rust rewards GPU investment at the resolutions where most players operate (1440p and 4K). The CPU's strength is not wasted, though — at 1080p Low, the combo achieves 173 FPS, which is in the upper echelon of possible frame rates, and the CPU ensures that frame times remain consistent even in complex scenes.

The delta between the combo's rank and the CPU's percentile (95th) versus the GPU's percentile (71st) suggests that the pairing is unbalanced for this game. A more balanced pairing would place the rank closer to the geometric mean of the two component percentiles, but the actual rank is pulled down by the GPU's more modest performance tier.

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

Based on the measured FPS data, the optimal settings depend on the target resolution and desired frame rate.

At 1920x1080, the Medium preset at 116 FPS average (min 99, max 134) is the strongest choice for high-refresh-rate monitors. It offers a 41 FPS improvement over High (98 FPS) and a 57 FPS improvement over Ultra (75 FPS), while the visual difference between Medium and High in Rust is typically modest. The Low preset at 173 FPS is only relevant for competitive play where maximum frame rate is paramount, but it comes at the cost of visual fidelity. Ultra at 75 FPS is playable but provides diminishing returns over High.

At 2560x1440, the Medium preset at 80 FPS (min 68, max 92) is the recommended baseline. It keeps the average above 60 FPS, which is the standard for smooth gameplay, and the minimum of 68 FPS ensures no significant dips below the refresh threshold of most 1440p monitors. High at 68 FPS is also viable, but it sits right at the edge of 60 FPS territory, and any demanding scene could push it below. Low at 119 FPS is excellent for high-refresh 1440p panels, while Ultra at 51 FPS is below the 60 FPS ideal and should be avoided for serious play.

At 3840x2160, the Low preset at 70 FPS is the only measured setting that comfortably exceeds 60 FPS. Medium at 47 FPS (min 40, max 54) is playable but with visible dips, and High at 40 FPS is marginal. Ultra at 30 FPS is effectively a slideshow for fast-paced gameplay. For 4K, the recommendation is Low if frame rate is prioritized, or Medium if visual quality is more important and the player can tolerate occasional drops to 40 FPS.

Across all resolutions, the Medium preset offers the best balance of visual quality and performance headroom. It consistently delivers the highest average FPS above the 60 FPS threshold at 1080p and 1440p, and it is the only non-Low setting at 4K that maintains an average above 45 FPS.

FAQ

Q: What is the highest average FPS this combo achieves in Rust?

A: The highest measured average FPS is 173, achieved at 1920x1080 resolution with Low settings.

Q: Is this combo better suited for 1080p or 4K gaming in Rust?

A: The data shows that at 1080p, the combo delivers between 75 and 173 FPS depending on settings, while at 4K it delivers between 30 and 70 FPS. The 1080p results are consistently in comfortable playable ranges, whereas 4K only exceeds 60 FPS at Low settings.

Q: How does the CPU compare to its nearest rival in aggregate benchmarks?

A: The AMD Ryzen 9 9950X3D has an average benchmark score of 75779, which is 0.1% higher than the AMD Ryzen 7 PRO 9755 and AMD Ryzen 7 PRO 9755X3D, 0.3% higher than the AMD EPYC 8224P, and 0.4% higher than the Intel Core Ultra 9 285.

Q: What is the lowest measured FPS in this dataset?

A: The lowest average FPS is 30, recorded at 3840x2160 resolution with Ultra settings. The lowest minimum FPS is 40, recorded at 4K Medium.

Q: Does the GPU outperform its nearest rival in aggregate benchmarks?

A: The AMD Radeon RX 6750 XT has an average benchmark score of 26011, which is 0.5% higher than the AMD Radeon R9 M395X, 0.6% higher than the AMD FirePro W7100, 0.7% higher than the AMD FirePro D700, and 1.1% higher than the NVIDIA GeForce RTX 3080 Ti Mobile.

Q: What settings provide the most consistent frame times at 1440p?

A: At 1440p, the Medium preset has a minimum of 68 FPS and a maximum of 92 FPS, representing a 24 FPS window. This is the tightest variance among the settings with min/max data at that resolution, indicating more consistent frame pacing.