Roblox

The AMD Ryzen 5 4600G paired with the NVIDIA GeForce RTX 5090 presents an extreme imbalance in Roblox, where a mainstream 2020 processor meets a flagship 2025 graphics card. The benchmark data shows a combination that is almost entirely CPU-limited, with the RTX 5090’s immense compute headroom left largely untapped. This analysis examines the measured frames per second across resolutions and settings, contextualizing the results against other tested configurations.

Resolution Scaling

The FPS scaling from 1080p to 4K reveals the classic signature of a CPU bottleneck. At 1920x1080 with Low settings, the combo produces 606 FPS average. Moving to 2560x1440 Low drops that to 486 FPS, a 19.8% reduction. At 4K (3840x2160) Low, the average falls further to 275 FPS, which is 54.6% lower than the 1080p result. While a 4K resolution inherently demands more from the GPU, the severity of this drop indicates the CPU is struggling to feed frames as pixel count rises.

The 1080p to 1440p scaling on High settings shows a similar pattern: 562 FPS drops to 391 FPS, a 30.4% decrease. However, the jump from 1440p High to 4K High is less dramatic in percentage terms, going from 391 to 221 FPS, a 43.5% reduction. This suggests that the GPU begins to take on more responsibility at 4K, but the CPU remains the primary limiter even at the highest resolution tested.

The most telling evidence of the CPU constraint is the gap between settings at each resolution. At 1080p, the difference between Low (606 FPS) and Ultra (475 FPS) is only 131 FPS, or 21.6%. At 4K, the spread between Low (275 FPS) and Ultra (179 FPS) is 96 FPS, or 34.9%. If the GPU were the limiting factor, we would expect the gap between Low and Ultra to widen dramatically at higher resolutions as more shading work is required. Instead, the relatively narrow gap confirms that the Ryzen 5 4600G’s single-thread performance is the ceiling, not the RTX 5090's rendering capacity.

FAQ

Q: What is the best resolution for this CPU+GPU combo in Roblox?

A: The data shows the highest average FPS at 1920x1080, with 606 FPS on Low settings. However, even at 3840x2160 Ultra, the combo maintains 179 FPS, which is well above playable thresholds. For maximum smoothness, 1440p offers a strong balance, with 442 FPS on Medium, but 4K remains viable for those prioritizing visual fidelity.

Q: Does the RTX 5090 get fully utilized in Roblox?

A: No. The benchmark results indicate a severe CPU bottleneck. At 1080p Low, the FPS is only 606, which is modest for a flagship GPU. If the RTX 5090 were the limiting factor, we would expect significantly higher frame rates at lower resolutions, as the GPU has 32 GB of GDDR7 memory and a 1.79 TB/s bandwidth. The data suggests the Ryzen 5 4600G cannot issue draw calls fast enough to saturate the GPU.

Q: How does the Ryzen 5 4600G compare to its nearest rivals in CPU performance?

A: The 4600G’s average benchmark score is 17507. Its closest rival, the AMD Ryzen 3 PRO 5355GE, scores 17482, a negligible 0.1% difference. The Intel Core 7 150U scores 17395, which is 0.6% lower. The data shows the 4600G is essentially on par with these chips, with a 0.6% deltaPct against the Intel Core 7 150U and a 0.8% deltaPct against the Intel Core i3-14100T, which scores 17648.

Q: Is the RTX 5090's performance in line with its closest GPU rivals?

A: The RTX 5090’s average benchmark score is 79842. This places it 0.3% ahead of the NVIDIA Tesla P100 PCIe 16 GB (score 79605) and 0.6% ahead of the Tesla P100 PCIe 12 GB (score 79396). It is 1.1% ahead of the AMD Radeon RX 6850M XT (score 78940) and 1.4% behind the AMD Radeon Pro Vega 64X (score 80959). In raw compute, the 5090 is competitive, but these synthetic scores do not translate to Roblox FPS due to the CPU limit.

Q: What settings provide the highest minimum FPS for stable gameplay?

A: The only settings rows with minFps data are Medium. At 1920x1080 Medium, the min FPS is 499. At 2560x1440 Medium, the min FPS is 376. At 3840x2160 Medium, the min FPS is 212. For the most stable experience with no drops below 200 FPS, 4K Medium is the only Ultra HD option with recorded minimums, while 1440p Medium offers a higher floor of 376 FPS.

Q: Does the integrated Radeon Vega 7 graphics affect the discrete GPU performance?

A: No. The Ryzen 5 4600G includes Radeon Vega 7 integrated graphics, but the system is using the discrete RTX 5090 for rendering. The benchmark data measures the FPS output of the combo, which is entirely handled by the NVIDIA GPU. The integrated graphics are irrelevant to the measured results, serving only as a fallback for systems without a discrete card.

GPU Role

The NVIDIA GeForce RTX 5090 is a colossal piece of hardware: 32 GB of GDDR7 on a 512-bit bus, yielding 1.79 TB/s of bandwidth, with a boost clock of 2407 MHz. Its 21760 shading units and 104.8 TFLOPS of FP32 compute place it in the 92nd percentile of all GPUs. In synthetic tests, it scores 39650 in Passmark G3D and 334370 in Geekbench OpenCL. These are top-tier numbers.

In Roblox, however, the GPU’s role is diminished. The measured FPS at 1080p Low is 606, which is high, but not indicative of the 5090's raw power. The game’s rendering engine and the CPU's ability to process game logic are the limiting factors. The GPU is essentially waiting for instructions.

The VRAM capacity is a non-issue. Roblox is not a VRAM-intensive title, and 32 GB is overkill. The 1.79 TB/s bandwidth is similarly underutilized. The GPU’s clocks are also not the bottleneck; boosting to 2407 MHz does not help if the CPU cannot deliver more frames. The data shows that the RTX 5090's performance is constrained, acting more like a mid-range card than a flagship. The GPU is being held back, and its high benchmark scores are irrelevant to the Roblox experience with this CPU.

Measured FPS Breakdown

At 1920x1080, the combo delivers its highest frame rates. Low settings average 606 FPS. Medium averages 587 FPS, with a minimum of 499 and maximum of 675. High settings average 562 FPS. Ultra drops to 475 FPS. The spread from Low to Ultra is 131 FPS, showing that even at 1080p, the CPU is the primary constraint, as the GPU is capable of far more than 600 FPS.

Moving to 2560x1440, the averages decrease noticeably. Low averages 486 FPS. Medium averages 442 FPS, with a minimum of 376 and maximum of 508. High averages 391 FPS. Ultra averages 317 FPS. The gap between Low and Ultra grows to 169 FPS, indicating the GPU is starting to contribute to the bottleneck, but the CPU remains the dominant limiter.

At 3840x2160, the FPS drops further. Low averages 275 FPS. Medium averages 250 FPS, with a minimum of 212 and maximum of 287. High averages 221 FPS. Ultra averages 179 FPS. The difference between Low and Ultra is 96 FPS. While this is the largest relative drop, the absolute numbers remain high. The 4K Medium row shows a minimum of 212 FPS, which is still exceptionally smooth.

The data shows that the combo is capable of maintaining high frame rates across all tested configurations. The minimum recorded FPS across the entire dataset is 179 FPS (4K Ultra), which is far above what most displays can show. The bottleneck is not a playability issue; it is a performance ceiling that prevents the RTX 5090 from reaching its full potential.

How This Combo Ranks

The combo ranks 177th out of 3711 tested combinations in Roblox. This places it in the top 4.8% of all systems tested. This is a strong overall rank, but it is not reflective of the hardware's individual capabilities. The RTX 5090 is in the 92nd percentile of GPUs, and the Ryzen 5 4600G is in the 71st percentile of CPUs. The combo rank is pulled down by the CPU.

The ranking suggests that while this system performs well in Roblox, there are many other combinations that achieve higher frame rates. The data indicates that the 4600G is the weak link. The nearest CPU rivals, such as the Ryzen 3 PRO 5355GE and Intel Core i3-14100T, have near-identical average scores, so swapping the CPU for one of those would likely yield similar results. To improve the combo rank, a stronger CPU with higher single-thread performance would be necessary.

The 177th rank out of 3711 is respectable, but it confirms the GPU's brute force. Even with a severe CPU bottleneck, the RTX 5090’s raw power pushes the combo into the top 5% of systems. However, the gap between the GPU's potential and the actual FPS is significant. The data suggests that this combo is a waste of the RTX 5090's capabilities in Roblox, as a less powerful GPU would likely achieve similar frame rates with this CPU.

Settings Recommendations

The optimal settings depend on the user's display and preference for maximum FPS versus visual quality. For users with a 1080p or 1440p monitor with a high refresh rate (240Hz or higher), the Medium preset is the best choice. At 1080p Medium, the average is 587 FPS with a minimum of 499 FPS. At 1440p Medium, the average is 442 FPS with a minimum of 376 FPS. These settings provide the highest minimum FPS in the dataset, ensuring no drops below 376 FPS at 1440p.

For 4K displays, the Medium preset is also recommended. The 4K Medium row shows an average of 250 FPS, a minimum of 212 FPS, and a maximum of 287 FPS. This is the only 4K configuration with recorded minimum and maximum values, indicating a stable frame time. The 212 FPS minimum is well above the 144Hz refresh rate of most 4K gaming monitors, making this the sweet spot for a smooth 4K experience.

The Low preset offers the highest average FPS at every resolution, but it does not provide min or max data. The Ultra preset offers the lowest FPS, with 475 FPS at 1080p and 179 FPS at 4K. Given that the CPU is the bottleneck, there is little benefit to using Low settings over Medium, as the FPS gain is modest (606 vs 587 at 1080p, 486 vs 442 at 1440p, 275 vs 250 at 4K). The Medium preset provides a better visual experience with only a small FPS penalty and has the added benefit of recorded minimum FPS values, which is crucial for assessing stability.

Ultimately, the Medium preset is the recommended configuration across all resolutions. It provides the best balance of high average FPS, a known minimum FPS floor, and improved visuals over Low. The Ultra preset should be avoided if maximum frame rates are desired, as the visual fidelity increase does not justify the FPS loss. The data clearly shows that Medium is the most efficient setting for this unbalanced combo.