Scales from mobile devices to high-end PCs. The engine is lightweight and typically capped at 60 FPS. It requires a stable internet connection for asset streaming and a DX10 compatible GPU.
This game has a built-in FPS cap of 60 FPS
Actual FPS may vary based on RAM speed, background processes, and other system factors
Performance Report
At 1080p, all quality settings exceed 212 FPS, suitable for 144Hz+ monitors. At 1440p, all settings exceed 217 FPS. At 4K, all settings exceed 203 FPS.
The GeForce RTX 4090 is 843% above the recommended GPU (GeForce GTX 660) for Roblox. The Xeon Silver 4123 is 557% above the recommended CPU (Core 2 Duo).
The Xeon Silver 4123 sets the FPS ceiling at all 1080p settings, all 1440p settings, 4k (medium/high/ultra), while the GeForce RTX 4090 still has headroom. The FPS ceiling is closely matched at 4k low.
This section is based on estimated CPU/GPU FPS ceilings, not utilization percentages.
At 1080p medium, the Xeon Silver 4123 sets the ceiling at about 266 FPS, while the GeForce RTX 4090 could reach 384 FPS. In this scenario, the CPU limits the GPU potential by 31% (FPS gap: 118 FPS). Overall distribution: CPU limits 11/12 cells, GPU limits 0/12, balanced 1/12.
Your Xeon Silver 4123 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 19% | CPU Limits GPU 31% | CPU Limits GPU 21% | CPU Limits GPU 20% |
| 1440p (2K QHD) | CPU Limits GPU 16% | CPU Limits GPU 26% | CPU Limits GPU 19% | CPU Limits GPU 16% |
| 4K (Ultra HD) | Balanced | CPU Limits GPU 9% | CPU Limits GPU 11% | CPU Limits GPU 9% |
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) | CPU34% - 64% <> GPU9% - 31% <> | CPU33% - 63% <> GPU10% - 31% <> | CPU33% - 65% <> GPU12% - 35% <> | CPU35% - 64% <> GPU12% - 34% <> |
| 1440p (2K QHD) | CPU34% - 65% <> GPU14% - 41% <> | CPU33% - 64% <> GPU15% - 41% <> | CPU33% - 66% <> GPU18% - 45% <> | CPU34% - 65% <> GPU17% - 44% <> |
| 4K (Ultra HD) | CPU34% - 65% <> GPU15% - 42% <> | CPU33% - 64% <> GPU16% - 43% <> | CPU34% - 66% <> GPU19% - 46% <> | CPU35% - 65% <> GPU18% - 45% <> |
The Xeon Silver 4123 + GeForce RTX 4090 pairing runs this title with CPU utilization between 33% and 66% and GPU utilization between 9% and 46%. Xeon Silver 4123 keeps significant headroom across presets, while GeForce RTX 4090 is utilized efficiently without persistent saturation. As resolution scales, average GPU load rises from 22% at 1080p to 31% at 4K, while CPU averages move from 49% to 50%.
The utilization pattern is relatively even. The GeForce RTX 4090 reaches 32% average at its highest-load preset, while the Xeon Silver 4123 peaks at 50% 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 49% and GPU 22%. At 1440p, that shifts to CPU 50% and GPU 30%, and at 4K it reaches CPU 50% and GPU 31%. This shows that workload scaling is present on both components, with stronger pressure on the GPU.
1440p (2K QHD) High is the most balanced preset based on this dataset. It runs around CPU 50% (33-66%) and GPU 32% (18-45%), which keeps GeForce RTX 4090 well utilized without constant max-out behavior while Xeon Silver 4123 remains stable for consistent frame delivery.
Current utilization does not show an urgent upgrade requirement for either component; the Xeon Silver 4123 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 557% above and your GPU is 843% above the recommended specs. Ultra settings at 1080p, or High at 1440p/4K.
+557%vsrecommended
+843%vsrecommended
+380%vsminimum
+2422%vsminimum
Yes, the Xeon Silver 4123 paired with the GeForce RTX 4090 can run Roblox smoothly up to 4k achieving around 203 FPS at Ultra quality. Your GPU is 843% above the recommended specs, and your CPU is 557% 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 Roblox, upgrading the CPU would have the biggest impact on performance. The Xeon Silver 4123 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 medium, 4k high, 4k ultra.
Roblox 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.
Roblox requires at minimum a Celeron D (CPU) and GeForce 6600 (GPU) with 1 GB RAM and 20 MB storage. For the recommended experience, you need a Core 2 Duo and GeForce GTX 660 with 4 GB RAM. Your Xeon Silver 4123 and GeForce RTX 4090 both exceed the recommended specs, so you're well-positioned for a great experience.
These Roblox 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.
