A true test for system memory. Procedural maps can exhaust RAM quickly; 16GB is the minimum, and 32GB is recommended. CPUs with 3D V-Cache (AMD X3D) offer massive performance gains here.
Actual FPS may vary based on RAM speed, background processes, and other system factors
Performance Report
At 1080p, all quality settings exceed 93 FPS. At 1440p, all settings exceed 64 FPS. At 4K, frame rates range from 33 to 58 FPS.
The GeForce RTX 4090 is 244% above the recommended GPU (GeForce GTX 980) for Rust. The Ryzen 5 2500X is 8% below minimum CPU requirement.
The Ryzen 5 2500X sets the FPS ceiling at all 1080p settings, all 1440p settings, all 4k settings, while the GeForce RTX 4090 still has headroom.
Approximated average price on current market:
Combo price: $1729. At 1080p Ultra, this combo delivers 93 FPS, equivalent to 0.05 FPS per dollar.
| Resolution | Low | Medium | High | Ultra |
|---|---|---|---|---|
| 1080p | 0.087 fps/$ | 0.080 fps/$ | 0.068 fps/$ | 0.054 fps/$ |
| 1440p | 0.070 fps/$ | 0.060 fps/$ | 0.046 fps/$ | 0.037 fps/$ |
| 4k | 0.034 fps/$ | 0.031 fps/$ | 0.026 fps/$ | 0.019 fps/$ |
* Table values represent FPS per Dollar (higher is better)
This section is based on estimated CPU/GPU FPS ceilings, not utilization percentages.
At 4k low, the Ryzen 5 2500X sets the ceiling at about 58 FPS, while the GeForce RTX 4090 could reach 160 FPS. In this scenario, the CPU limits the GPU potential by 64% (FPS gap: 102 FPS). Overall distribution: CPU limits 12/12 cells, GPU limits 0/12, balanced 0/12.
Your Ryzen 5 2500X is the limiting side in the heaviest mismatch. This means part of the GeForce RTX 4090 rendering potential remains unused in those settings.
| Resolution | Low | Medium | High | Ultra |
|---|---|---|---|---|
| 1080p (Full HD) | CPU Limits GPU 42% | CPU Limits GPU 38% | CPU Limits GPU 36% | CPU Limits GPU 41% |
| 1440p (2K QHD) | CPU Limits GPU 50% | CPU Limits GPU 51% | CPU Limits GPU 49% | CPU Limits GPU 49% |
| 4K (Ultra HD) | CPU Limits GPU 64% | CPU Limits GPU 63% | CPU Limits GPU 61% | CPU Limits GPU 62% |
We estimate the maximum FPS the processor can sustain and the maximum FPS the graphics card can sustain in each setting, then compare those limits directly.
Limit Factor formula: (stronger - weaker) / stronger. Example: if CPU ceiling is 200 FPS and GPU ceiling is 140 FPS, then GPU limits CPU by 30%.
CPU Limits GPU means the processor ceiling is lower. GPU Limits CPU means the graphics ceiling is lower. Balanced means the FPS ceilings are close enough that the gap is negligible.
A component can still be the FPS limiter without reaching 100% utilization. The displayed percentages are derived from FPS ceilings, not generic utilization heuristics.
| Resolution | Low | Medium | High | Ultra |
|---|---|---|---|---|
| 1080p (Full HD) | CPU58% - 79% <> GPU78% - 83% <> | CPU60% - 83% <> GPU79% - 85% <> | CPU59% - 81% <> GPU81% - 94% <> | CPU55% - 81% <> GPU79% - 94% <> |
| 1440p (2K QHD) | CPU58% - 79% <> GPU78% - 83% <> | CPU60% - 82% <> GPU79% - 85% <> | CPU59% - 80% <> GPU82% - 94% <> | CPU55% - 80% <> GPU80% - 93% <> |
| 4K (Ultra HD) | CPU57% - 78% <> GPU81% - 100% <> | CPU60% - 81% <> GPU82% - 100% <> | CPU58% - 79% <> GPU98% - 99% <> | CPU54% - 79% <> GPU98% - 99% <> |
The Ryzen 5 2500X + GeForce RTX 4090 pairing runs this title with CPU utilization between 54% and 83% and GPU utilization between 78% and 100%. Ryzen 5 2500X stays in a controlled operating range, while GeForce RTX 4090 carries most of the graphics load at heavier visual settings. As resolution scales, average GPU load rises from 84% at 1080p to 94% at 4K, while CPU averages move from 70% to 68%.
The utilization pattern is relatively even. The GeForce RTX 4090 reaches 98% average at its highest-load preset, while the Ryzen 5 2500X peaks at 72% average. This suggests a fairly controlled load distribution, but the actual FPS-limiting side should still be read from the limiter analysis above.
At 1080p, averages sit around CPU 70% and GPU 84%. At 1440p, that shifts to CPU 69% and GPU 84%, and at 4K it reaches CPU 68% and GPU 94%. This shows that GPU demand scales sharply with resolution while CPU load remains comparatively stable.
1080p (Full HD) High is the most balanced preset based on this dataset. It runs around CPU 70% (59-81%) and GPU 88% (81-94%), which keeps GeForce RTX 4090 well utilized without constant max-out behavior while Ryzen 5 2500X remains stable for consistent frame delivery.
Current utilization does not show an urgent upgrade requirement for either component; the Ryzen 5 2500X and GeForce RTX 4090 remain reasonably matched for this title.
Understanding Hardware Utilization: These percentages represent how much of your component's maximum processing power is actively being used during gameplay. They describe hardware load, but they do not directly tell you which component sets the FPS ceiling.
Important: a CPU or GPU can still be the FPS limiter without reaching 100% utilization. Two processors can both show 40% usage and still deliver very different frame rates, depending on per-core speed, cache, engine threading, driver overhead, and frame preparation efficiency.
Data generated by our Machine Learning engine trained on real-world benchmarks. Shows the approximate average utilization at each setting.
See how your processor and graphics card compare against the game official minimum and recommended system specs. The placement of your hardware is calculated using relative synthetic performance scores to help you gauge overall playability.
Your hardware is below minimum requirements. CPU is the limiting factor (8% below minimum). Expect performance issues. Low settings recommended.
-23%vsrecommended
+244%vsrecommended
-8%vsminimum
+589%vsminimum
Yes, the Ryzen 5 2500X paired with the GeForce RTX 4090 can run Rust smoothly up to 1440p achieving around 64 FPS at Ultra quality. Your GPU is 244% above the recommended specs, and your CPU is 23% below the recommended requirements.
This CPU + GPU combo costs approximately $1729 ($80 CPU (Rank #139 Value) + $1649 GPU (Rank #77 Value)). Since the CPU is the main limiting factor, investing in a stronger processor will improve your framerates and overall value. For example, the Ryzen 9 9950X is a great upgrade option for around $649 (Rank #5 for value).
For Rust, upgrading the CPU would have the biggest impact on performance. The Ryzen 5 2500X is currently the limiting factor — the GeForce RTX 4090 has extra headroom that a faster processor could take advantage of. This is especially noticeable at 1080p where CPU performance matters more. CPU-limited at: 1080p low, 1080p medium, 1080p high, 1080p ultra, 1440p low, 1440p medium, 1440p high, 1440p ultra, 4k low, 4k medium, 4k high, 4k ultra.
Rust does not currently support Frame Generation technologies like DLSS 3 or FSR 3. Your performance is based entirely on native rendering. If the game adds support in a future update, newer GPUs will benefit the most.
Rust requires at minimum a Core i7-3770 (CPU) and GeForce GTX 670 (GPU) with 10 GB RAM and 25 GB (SSD) storage. For the recommended experience, you need a Core i7-4790K and GeForce GTX 980 with 16 GB RAM. Your hardware falls below the minimum requirements for this game, which may result in poor performance.
These Rust FPS results are not arbitrary numbers. They come from calculations informed by thousands of real gaming benchmarks, and the typical accuracy range is around 10% to 15%. That makes them far more useful than generic FPS calculators that simply invent values without a benchmark foundation. Actual in-game performance can still vary with drivers, updates, RAM configuration, cooling, and the exact scene being rendered.
Performance estimates are based on synthetic benchmarks and hardware capabilities.
Results may vary based on drivers, OS, and background processes.
