A Source engine sandbox where performance depends entirely on the mods and contraptions you spawn. RAM errors are common on systems with only 4GB.
Actual FPS may vary based on RAM speed, background processes, and other system factors
Performance Report
At 1080p, all quality settings exceed 388 FPS, suitable for 144Hz+ monitors. At 1440p, all settings exceed 326 FPS. At 4K, all settings exceed 225 FPS.
The GeForce RTX 4090 is 1051% above the recommended GPU (GeForce GTX 750) for Garry's Mod. The Core i7-12800HX is 136% above the recommended CPU (Core i5).
At lower resolutions (1440p (medium/high/ultra), all 4k settings), the Core i7-12800HX sets the FPS ceiling. As graphical load increases at (1080p low), the GeForce RTX 4090 becomes the FPS-limiting side. The FPS ceiling is closely matched at 1080p (medium/high/ultra), 1440p low.
This section is based on estimated CPU/GPU FPS ceilings, not utilization percentages.
At 4k high, the Core i7-12800HX sets the ceiling at about 291 FPS, while the GeForce RTX 4090 could reach 333 FPS. In this scenario, the CPU limits the GPU potential by 13% (FPS gap: 42 FPS). Overall distribution: CPU limits 7/12 cells, GPU limits 2/12, balanced 3/12.
The Core i7-12800HX and GeForce RTX 4090 stay close in effective frame-generation ceiling across most presets, so neither side consistently suppresses the other by a large margin.
| Resolution | Low | Medium | High | Ultra |
|---|---|---|---|---|
| 1080p (Full HD) | GPU Limits CPU 6% | GPU Limits CPU 6% | Balanced | Balanced |
| 1440p (2K QHD) | Balanced | CPU Limits GPU 7% | CPU Limits GPU 9% | CPU Limits GPU 9% |
| 4K (Ultra HD) | CPU Limits GPU 12% | CPU Limits GPU 9% | CPU Limits GPU 13% | CPU Limits GPU 12% |
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) | CPU27% - 32% <> GPU3% - 15% <> | CPU27% - 32% <> GPU3% - 15% <> | CPU27% - 32% <> GPU3% - 15% <> | CPU21% - 31% <> GPU3% - 15% <> |
| 1440p (2K QHD) | CPU20% - 26% <> GPU3% - 15% <> | CPU20% - 26% <> GPU3% - 15% <> | CPU20% - 26% <> GPU3% - 15% <> | CPU15% - 24% <> GPU3% - 15% <> |
| 4K (Ultra HD) | CPU20% - 26% <> GPU3% - 15% <> | CPU20% - 26% <> GPU3% - 15% <> | CPU20% - 26% <> GPU3% - 15% <> | CPU15% - 24% <> GPU3% - 15% <> |
The Core i7-12800HX + GeForce RTX 4090 pairing runs this title with CPU utilization between 15% and 32% and GPU utilization between 3% and 15%. Core i7-12800HX keeps significant headroom across presets, while GeForce RTX 4090 is utilized efficiently without persistent saturation. As resolution scales, average GPU load rises from 9% at 1080p to 9% at 4K, while CPU averages move from 29% to 22%.
Neither component is close to saturation: CPU tops out at 32% and GPU at 15%. This pattern suggests possible engine-side limits, an FPS cap, or workload constraints unrelated to raw hardware throughput. It also shows why low utilization does not automatically mean there is no FPS limiter.
At 1080p, averages sit around CPU 29% and GPU 9%. At 1440p, that shifts to CPU 22% and GPU 9%, and at 4K it reaches CPU 22% and GPU 9%. This shows that workload scaling is present on both components, with stronger pressure on the GPU.
1080p (Full HD) Low is the most balanced preset based on this dataset. It runs around CPU 30% (27-32%) and GPU 9% (3-15%), which keeps GeForce RTX 4090 well utilized without constant max-out behavior while Core i7-12800HX remains stable for consistent frame delivery.
Current utilization does not show an urgent upgrade requirement for either component; the Core i7-12800HX 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 CPU is 136% above and your GPU is 1051% above the recommended specs. Ultra settings at 1080p, or High at 1440p/4K.
+136%vsrecommended
+1051%vsrecommended
+941%vsminimum
+11449%vsminimum
Yes, the Core i7-12800HX paired with the GeForce RTX 4090 can run Garry's Mod smoothly up to 4k achieving around 225 FPS at Ultra quality. Your GPU is 1051% above the recommended specs, and your CPU is 136% above the recommended requirements.
Price data is not currently available for this combination. In general, look for setups where the CPU and GPU are balanced — this ensures you're not overspending on one component that the other can't keep up with.
For Garry's Mod, upgrading the CPU would have the biggest impact on performance. The Core i7-12800HX 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: 1440p medium, 1440p high, 1440p ultra, 4k low, 4k medium, 4k high, 4k ultra. GPU fully utilized at: 1080p low.
Garry's Mod 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.
Garry's Mod requires at minimum a Pentium 4 (CPU) and GeForce 6 series (GPU) with 4 GB RAM and 5 GB storage. For the recommended experience, you need a Core i5 and GeForce GTX 750 with 8 GB RAM. Your Core i7-12800HX and GeForce RTX 4090 both exceed the recommended specs, so you're well-positioned for a great experience.
These Garry's Mod 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.
