Rust

FAQ

Q: What is the combo rank of this AMD Ryzen 9 9900X3D + NVIDIA GeForce RTX 5090 D configuration in Rust?

A: The combo ranks 10th out of 2,953 tested combinations in Rust, placing it in the top 0.3% of all tested systems.

Q: What is the best average FPS this combo achieves at 1080p?

A: At 1920x1080 with Low settings, the combo reaches 272 average FPS, which is the highest measured result across all tested resolutions and settings.

Q: How does the FPS drop when moving from 1080p to 4K at High settings?

A: At High settings, the average FPS drops from 197 at 1920x1080 to 136 at 2560x1440, then further to 80 at 3840x2160. This represents a 59% reduction from 1080p to 4K.

Q: What is the minimum FPS recorded for this combo in Rust?

A: The lowest recorded minimum FPS is 81, which occurs at 3840x2160 with Medium settings. The only other measured minimum is 136 at 2560x1440 Medium and 198 at 1920x1080 Medium.

Q: Does the CPU or GPU appear to be the limiting factor at 1080p?

A: At 1920x1080, the FPS difference between Low (272) and Ultra (150) is 122 FPS, indicating the GPU still influences performance significantly even at lower resolutions, though the CPU's 12 cores and high clocks contribute to the high frame rates.

Q: What is the launch MSRP of the RTX 5090 D in this combo?

A: The NVIDIA GeForce RTX 5090 D has a launch MSRP of 2,299 USD. The AMD Ryzen 9 9900X3D has a launch MSRP of $599.

Settings Recommendations

The data reveals a clear performance hierarchy across the four settings presets tested. At 1920x1080, Low settings deliver 272 average FPS, Medium drops to 233, High to 197, and Ultra to 150. The step from Low to Medium costs 39 FPS (14% reduction), Medium to High costs 36 FPS (15% reduction), and High to Ultra costs 47 FPS (24% reduction). The diminishing returns become evident: Ultra provides only 55% of the Low-settings frame rate at the same resolution.

For players prioritizing maximum smoothness on high-refresh monitors, Low settings at 1080p provide the headroom needed for 240Hz displays, with 272 FPS clearing that threshold comfortably. Medium settings at 1080p still offer 233 FPS, which remains above 144Hz refresh rates while presumably providing better visual fidelity. The Medium preset also has the only measured minimum FPS data at each resolution, showing 198 minimum at 1080p, 136 at 1440p, and 81 at 4K — these are the only min/max ranges available, so Medium appears to be the sweet spot for consistent frame pacing.

At 2560x1440, the Medium preset delivers 161 average FPS with a minimum of 136, making it suitable for 144Hz gaming. High settings at 1440p produce 136 FPS, which still approaches that threshold. Ultra at 1440p drops to 103 FPS, which remains playable but sacrifices the high-refresh experience. For 4K gaming, Medium at 95 FPS with an 81 FPS minimum is the only preset that stays above 60 FPS consistently, while High drops to 80 FPS and Ultra falls to 61 FPS — the latter being borderline for 60Hz displays.

The best experience per the measured data depends on the target display refresh rate. For 1080p users, Medium offers the best balance at 233 FPS with measured stability. For 1440p, Medium is the recommendation at 161 FPS. For 4K, Medium at 95 FPS provides the most comfortable margin above 60 FPS, while High at 80 FPS is acceptable for slower-paced gameplay. Ultra settings at 4K should only be considered when visual fidelity outweighs frame rate concerns, as 61 FPS leaves little headroom.

Resolution Scaling

The measured FPS data shows how performance scales from 1080p through 1440p to 4K across all four settings presets. At Low settings, the progression is 272 FPS at 1080p, 239 FPS at 1440p, and 141 FPS at 4K. This represents a 12% drop from 1080p to 1440p, followed by a 41% drop from 1440p to 4K. The total reduction from 1080p to 4K at Low is 48%. At Medium settings, the numbers are 233, 161, and 95 FPS respectively — a 31% drop to 1440p and another 41% drop to 4K, totaling 59% overall.

High settings show 197 FPS at 1080p, 136 at 1440p, and 80 at 4K. The 1080p-to-1440p drop is 31%, and the 1440p-to-4K drop is 41%, again totaling 59%. Ultra settings produce 150 FPS at 1080p, 103 at 1440p, and 61 at 4K. Here the 1080p-to-1440p reduction is 31%, and the 1440p-to-4K reduction is 41%, for a total of 59% as well.

The pattern is telling: at Low settings, the 1080p-to-1440p penalty is much smaller (12%) than at higher presets (31%). This suggests that at Low settings with 1080p, the CPU is more of a limiting factor, since the GPU has less work to do and the frame rate hits 272 FPS — near the practical ceiling for many CPUs. As resolution increases, the GPU becomes the bottleneck, and the consistent 41% drop from 1440p to 4K across all presets indicates that the RTX 5090 D's rendering workload scales predictably with pixel count.

The 4K results are particularly informative. At 4K Low, the combo still achieves 141 FPS, which is higher than the 1080p Ultra result of 150 FPS — only 6% lower despite quadruple the pixel count. This demonstrates that the GPU has substantial headroom at lower settings and that the CPU begins to limit performance at high frame rates. The fact that 4K Ultra still reaches 61 FPS shows that even at maximum settings with 32 GB of GDDR7 memory and 1.79 TB/s bandwidth, this combo remains playable at 4K.

Measured FPS Breakdown

At 1920x1080, the data shows four distinct performance tiers. Low settings produce 272 average FPS, which is the highest measured result in the entire dataset. Medium settings deliver 233 average FPS with a minimum of 198 and a maximum of 268, showing a tight range that suggests stable frame delivery. High settings reach 197 average FPS, and Ultra settings drop to 150 average FPS. The spread from Low to Ultra at 1080p is 122 FPS, meaning Ultra delivers 55% of the Low-settings performance.

At 2560x1440, the same settings hierarchy persists with reduced absolute values. Low settings produce 239 average FPS, Medium delivers 161 average FPS with a minimum of 136 and a maximum of 185, High reaches 136 average FPS, and Ultra drops to 103 average FPS. The Low-to-Ultra spread here is 136 FPS, with Ultra delivering 43% of Low performance. The Medium preset at 1440p shows a 49 FPS range between minimum and maximum, which is proportionally wider than at 1080p, suggesting more frame variance at higher resolution.

At 3840x2160, the performance drops become more pronounced. Low settings achieve 141 average FPS, Medium delivers 95 average FPS with a minimum of 81 and a maximum of 109, High reaches 80 average FPS, and Ultra falls to 61 average FPS. The Low-to-Ultra spread is 80 FPS, and Ultra delivers 43% of Low performance — the same ratio as at 1440p. The Medium preset at 4K shows a 28 FPS range, which is the narrowest absolute range in the dataset, indicating that at 4K the frame delivery becomes more consistent even though average FPS is lower.

The only preset with full min/max data at all three resolutions is Medium. At 1080p, the range is 198-268 FPS (70 FPS spread). At 1440p, the range narrows to 136-185 FPS (49 FPS spread). At 4K, the range is 81-109 FPS (28 FPS spread). This pattern shows that as resolution increases, the frame delivery becomes more stable relative to the average — the coefficient of variation shrinks from 30% at 1080p to 29% at 1440p to 29% at 4K, though the absolute variance decreases substantially.

GPU Role

The NVIDIA GeForce RTX 5090 D is built on the Blackwell 2.0 architecture using TSMC's 5 nm process, with a chip size of 750 mm² containing 92,200 million transistors. The GPU operates with a base clock of 2017 MHz and a boost clock of 2407 MHz, with memory clocked at 1750 MHz (28 Gbps effective). The 32 GB of GDDR7 memory sits on a 512-bit bus, providing 1.79 TB/s of bandwidth — this is critical for Rust's large open-world environments where texture streaming and draw distances tax memory subsystems.

The GPU's compute resources include 21,760 shading units, 680 texture mapping units, and 176 raster output pipelines. The 170 ray tracing cores and 680 tensor cores support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4 APIs. The pixel rate is 423.6 GPixel/s and the texture rate is 1,636.8 GTexel/s, with FP32 performance at 104.8 TFLOPS. These specifications explain why the GPU can push 141 FPS at 4K Low settings — the raw throughput is substantial enough to handle 4K rendering even at reduced quality presets.

In the GPU benchmark suite, the RTX 5090 D scores 14,326 in 3DMark Steel Nomad DX12, 310,674 in Geekbench OpenCL, and 376,915 in Geekbench Vulkan. The PassMark G3D score is 44,065, with a GPU compute score of 28,396. The GPU's percentile versus all GPUs is 92, meaning it outperforms 92% of tested graphics cards. However, its nearest rivals in the database are notably different — the AMD Radeon RX 6650M XT scores 76,904 (1.1% higher), the RX 6850M XT scores 78,940 (1.6% lower), and NVIDIA Tesla P100 variants score 79,396 and 79,605 (2.1% and 2.4% lower respectively). These are mobile and data-center parts, indicating the avgBenchmarkScore of 77,712 may not fully capture the RTX 5090 D's gaming strengths.

The VRAM capacity of 32 GB is the defining feature for Rust. The game's procedurally generated maps and long session times can accumulate significant texture and geometry data, and the 1.79 TB/s bandwidth ensures that this data can be streamed to the GPU quickly. In the measured FPS data, the 4K Ultra result of 61 FPS suggests that even at maximum settings, the GPU is not completely overwhelmed — the combination of high bandwidth and 32 GB capacity prevents memory-related stutters that could otherwise tank frame times.

CPU Role

The AMD Ryzen 9 9900X3D is a 12-core, 24-thread processor based on the Zen 5 architecture (Granite Ridge) built on TSMC's 4 nm process. The base clock is 4.40 GHz with a boost clock of 5.50 GHz, and the CPU has a TDP of 120 W. The cache hierarchy is substantial: 80 KB of L1 per core, 1 MB of L2 per core, and 128 MB of L3 cache. This large L3 cache is particularly beneficial for Rust, which has complex world interactions and many entities that need to be tracked simultaneously.

In CPU benchmarks, the 9900X3D scores 12,490 in 3DMark 16-thread, 4,885 in 4-thread, and 13,795 in max-thread tests. The Cinebench R23 multi-core score is 47,737 with a single-core score of 6,739. Geekbench results show 22,884 multi-core and 3,041 single-core. PassMark tests reveal strong integer (179,727) and floating-point (119,622) performance, with a multi-thread score of 56,154 and single-thread score of 4,646. The CPU's percentile versus all CPUs is 91, and its average benchmark score is 54,762.

The nearest CPU rivals in the database are the Intel Core Ultra 5 245KF (average score 55,093, 0.6% higher), Intel Core Ultra 5 245K (54,053, 1.3% lower), Intel Xeon 6505P (53,701, 2% lower), and Intel Core i7-14700F (53,620, 2.1% lower). These deltas are small, indicating the 9900X3D is competitively positioned among current desktop processors.

In Rust specifically, the CPU's role is evident from the 1080p Low result of 272 FPS. At this resolution and settings combination, the GPU is not heavily taxed, yet the frame rate reaches 272 — suggesting the CPU's single-thread boost clock of 5.50 GHz and the 128 MB L3 cache are what enable such high frame rates. The 12 cores and 24 threads handle Rust's background simulation tasks (entity tracking, physics, AI) while the high boost clock keeps the main game thread responsive. The measured 1080p Ultra result of 150 FPS, despite the GPU having plenty of headroom, further indicates that the CPU's single-thread performance becomes a limiting factor at high frame rates.

How This Combo Ranks

The combo of AMD Ryzen 9 9900X3D and NVIDIA GeForce RTX 5090 D ranks 10th out of 2,953 tested combinations in Rust. This places it in the top 0.34% of all tested systems, which is an exceptional position given the large number of combinations in the database. The rank of 10 means only 9 other CPU+GPU pairings achieve higher average FPS in this game.

The ranking context becomes clearer when examining the individual component performance. The CPU's 91st percentile and the GPU's 92nd percentile both indicate top-tier hardware, but the combo ranking of 10th out of 2,953 (99.66th percentile) shows that the pairing is more than the sum of its parts. The 12-core CPU with 128 MB L3 cache and the 32 GB GPU with 1.79 TB/s bandwidth create a balanced system where neither component is a clear bottleneck across the tested settings.

The measured FPS data supports this top-10 ranking. At 1080p Low, the combo achieves 272 FPS, which is among the highest frame rates possible in Rust given typical engine limitations. At 4K Ultra, it still maintains 61 FPS, showing that this system can handle the most demanding configuration. The fact that the combo maintains playable frame rates across all 12 measured data points (4 settings × 3 resolutions) confirms its balanced nature — no single configuration falls below 60 FPS, and even the weakest result (4K Ultra at 61 FPS) is above the 60 FPS threshold.

The nearest rival systems in the database would need to pair similarly high-end CPUs with the RTX 5090 D or its closest competitors to challenge this ranking. Given that the GPU's nearest rivals are mobile or data-center parts with lower gaming performance, and the CPU's nearest rivals are all within 2.1% in average benchmark scores, the 10th place ranking is likely driven by the specific combination of the 9900X3D's cache-heavy design and the RTX 5090 D's raw bandwidth. Systems ranked above this combo likely use CPUs with even higher single-thread performance or more specialized gaming optimizations, but the data confirms that this pairing delivers top-tier Rust performance across all tested scenarios.