1Can the EPYC 7371 and GeForce RTX 4090 run Garry's Mod well?
The EPYC 7371 and GeForce RTX 4090 will struggle to run Garry's Mod at smooth framerates.
A Source engine sandbox where performance depends entirely on the mods and contraptions you spawn. RAM errors are common on systems with only 4GB.
Performance Report
The GeForce RTX 4090 is 1051% above the recommended GPU (GeForce GTX 750) for Garry's Mod. The EPYC 7371 is 128% above the recommended CPU (Core i5).
No major FPS-ceiling mismatch detected. The GeForce RTX 4090 and EPYC 7371 stay close in effective frame-generation ceiling across the tested resolutions and quality settings.
| Resolution | Low | Medium | High | Ultra |
|---|---|---|---|---|
| 1080p (Full HD) | CPU27% - 32% <> GPU3% - 15% <> | CPU27% - 32% <> GPU3% - 15% <> | CPU27% - 32% <> GPU3% - 15% <> | CPU24% - 32% <> GPU3% - 15% <> |
| 1440p (2K QHD) | CPU21% - 26% <> GPU3% - 15% <> | CPU21% - 26% <> GPU3% - 15% <> | CPU21% - 26% <> GPU3% - 15% <> | CPU19% - 25% <> GPU3% - 15% <> |
| 4K (Ultra HD) | CPU21% - 26% <> GPU3% - 15% <> | CPU21% - 26% <> GPU3% - 15% <> | CPU21% - 26% <> GPU3% - 15% <> | CPU19% - 25% <> GPU3% - 15% <> |
The EPYC 7371 + GeForce RTX 4090 pairing runs this title with CPU utilization between 19% and 32% and GPU utilization between 3% and 15%. EPYC 7371 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 30% to 24%.
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 30% and GPU 9%. At 1440p, that shifts to CPU 24% and GPU 9%, and at 4K it reaches CPU 24% 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 EPYC 7371 remains stable for consistent frame delivery.
Current utilization does not show an urgent upgrade requirement for either component; the EPYC 7371 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 128% above and your GPU is 1051% above the recommended specs. Ultra settings at 1080p, or High at 1440p/4K.

+128%vsrecommended

+1051%vsrecommended

+905%vsminimum

+11449%vsminimum
The EPYC 7371 and GeForce RTX 4090 will struggle to run Garry's Mod at smooth framerates.
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.
This setup is already well-balanced for Garry's Mod. No significant bottleneck - CPU and GPU are well matched across all settings. Both the EPYC 7371 and GeForce RTX 4090 complement each other effectively, so upgrading either component individually would yield diminishing returns. If you want more FPS, you'd benefit most from upgrading both CPU and GPU together.
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 EPYC 7371 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.