Roblox

Roblox is not typically a stress test for flagship hardware, but the data for the Intel Core Ultra 5 235 and NVIDIA GeForce RTX 4090 combination tells a clear story of overwhelming performance headroom. The measured frames per second (FPS) at every resolution and preset are exceptionally high, often exceeding the refresh rates of even the most premium displays. The benchmark results indicate that this pairing is far more likely to be limited by game engine constraints or CPU threading than by the GPU's rendering capabilities. The scores reveal a system that delivers a consistently fluid experience, with the only meaningful variables being the chosen resolution and graphical preset.

Resolution Scaling

The FPS drop from 1080p to 4K demonstrates a classic shift in system bottleneck. At 1920x1080 with Low settings, the combo produces an average of 711 FPS. Moving to 2560x1440 on the same Low preset, the average drops to 474 FPS, a significant reduction of 237 FPS. At 3840x2160, the Low preset average further declines to 268 FPS. This steep curve indicates that at lower resolutions, the CPU is the primary limiting factor; the RTX 4090 is not being fully utilized, resulting in frame rates that are constrained by the processor's ability to feed the GPU with draw calls.

The scaling pattern shifts as resolution increases. At 1080p, the difference between Low (711 FPS) and Ultra settings (464 FPS) is substantial, showing that even the CPU-bound scenario is sensitive to the increased draw calls and object complexity of higher presets. However, the gap narrows relatively as resolution climbs. At 4K, the Low preset yields 268 FPS, while Ultra yields 175 FPS. The data suggests that at 4K, the GPU begins to take on a more significant role, though it still has ample headroom, evidenced by the fact that even the most demanding 4K preset maintains an average above 170 FPS.

The scaling from 1080p to 4K shows that the RTX 4090 is not the limiting component until the very high end of the resolution spectrum. The average FPS at 4K Ultra (175 FPS) is still exceptionally high, but the performance hit from the 1080p Low score is proportionally larger than what would be seen in a purely GPU-limited title. This indicates that while the GPU is powerful, the game's engine and the CPU's single-threaded performance create a ceiling that prevents the full potential of the graphics card from being realized at lower resolutions, making the Ultra 5 235 a critical partner in this pairing.

Settings Recommendations

Based on the measured rows, the Medium preset appears to offer the most balanced experience across all resolutions. At 1920x1080, Medium yields 647 FPS, which is only 64 FPS less than Low but 183 FPS more than Ultra. This suggests that Medium provides a significant visual upgrade over Low with a comparatively modest performance penalty, while avoiding the more substantial cost of Ultra. The same trend holds at 2560x1440, where Medium averages 432 FPS, and at 3840x2160, where it averages 244 FPS.

For users seeking the absolute highest frame rates, the Low preset is the clear choice, delivering 711 FPS at 1080p and 474 FPS at 1440p. However, given that even the High preset at 4K maintains an average of 216 FPS, the need to drop to Low for competitive advantage is minimal in this title. The data indicates that High settings provide a robust experience, with 572 FPS at 1080p and 382 FPS at 1440p, making it a strong recommendation for those who want a visual quality bump without sacrificing the fluidity that this hardware can provide.

The Ultra preset is the only one that brings the frame rates down to a level where a high-refresh-rate monitor might not be fully saturated. At 4K Ultra, the average is 175 FPS, which is still exceptionally smooth but does represent a 41 FPS drop from the High preset at the same resolution. Given the minimal visual differences often seen between High and Ultra in a sandbox game like Roblox, the data suggests that High settings offer the best performance-per-visual-quality trade-off, while Medium is the safest choice for maintaining the highest possible minimum frame rates, as it is the only preset with recorded minFps data showing 550 FPS at 1080p and 208 FPS at 4K.

GPU Role

The NVIDIA GeForce RTX 4090 is an end-of-life flagship with a massive 24 GB of GDDR6X memory on a 384-bit bus, providing 1.01 TB/s of bandwidth. Its boost clock is listed at 2520 MHz, and it supports DirectX 12 Ultimate. In the context of Roblox, these specifications are extreme overkill. The benchmark results show that the GPU's role is to ensure that no resolution or preset causes a significant frame rate drop, but the data suggests its full capabilities are rarely taxed.

The GPU's performance percentile of 88 versus all GPUs places it well above average, but its nearest rival list includes professional workstation cards like the AMD Radeon Pro W6600M and Intel Arc Pro A60, indicating that its raw benchmark scores are not directly correlated with gaming performance in this specific title. The measured FPS shows that the GPU is not the bottleneck at 1080p or 1440p, where the CPU is likely limiting performance. It is only at 4K resolution that the GPU's workload increases enough to cause a noticeable frame rate reduction, yet even then, the average FPS remains extraordinarily high.

The data shows that the 24 GB VRAM capacity is irrelevant for Roblox, as the game's demands are far below this threshold. The GPU's role here is to provide a safety net, ensuring that even the most complex scenes at 4K Ultra cannot push the frame rate below 175 FPS. The high memory bandwidth and clock speeds are not fully utilized, but they guarantee that the system never becomes GPU-bound in a way that would compromise gameplay smoothness. The performance delta between this GPU and its nearest rivals is minimal (0% to 2.9%), but those rivals are not gaming-focused cards, highlighting that the RTX 4090's gaming strength in this title is its sheer consistency rather than a dramatic lead over alternatives.

Measured FPS Breakdown

At 1920x1080, the data shows a clear hierarchy across presets. The Low setting achieves an average of 711 FPS, which is the highest score in the entire dataset. Medium follows at 647 FPS, with a recorded range of 550 to 744 FPS. High drops to 572 FPS, and Ultra is the most demanding at 464 FPS. The spread between Low and Ultra is 247 FPS, indicating that the CPU and GPU have enough headroom to support high frame rates even at the most demanding settings.

Moving to 2560x1440, the averages decrease as expected. Low yields 474 FPS, Medium 432 FPS (with a range of 367 to 496 FPS), High 382 FPS, and Ultra 310 FPS. The performance gap between Low and Ultra narrows to 164 FPS, showing that the increased resolution places more load on the GPU, but the system still has substantial headroom. The Medium preset's minimum of 367 FPS is higher than the Ultra average, demonstrating a significant performance tier separation.

At 3840x2160, the frame rates remain high but show a more pronounced drop. Low averages 268 FPS, Medium 244 FPS (with a range of 208 to 281 FPS), High 216 FPS, and Ultra 175 FPS. The difference between Low and Ultra is now 93 FPS, the smallest absolute gap across all resolutions. This indicates that at 4K, the GPU is becoming a more significant factor, but the overall performance is still far beyond what is required for a smooth experience. The minFps of 208 FPS at Medium 4K is notable, as it confirms that even in demanding scenes, the frame rate does not dip below what would be considered a very high refresh rate.

How This Combo Ranks

The Intel Core Ultra 5 235 and RTX 4090 combination ranks 144th out of 3,711 tested combos for Roblox. This places it in the top percentile of systems, though not at the absolute top, which is expected given that the CPU is a mid-range desktop part and the GPU is a last-generation flagship. The rank of 144 suggests that there are other combinations that achieve higher frame rates, likely due to CPUs with higher single-threaded performance, which is critical for this game's engine.

The CPU's nearest rivals in terms of average benchmark score include the AMD Ryzen AI 9 HX 375 and Intel Core i9-13900HX, with deltaPct values of 0.1% and -0.1%, respectively. This indicates that the Ultra 5 235 performs on par with these mobile processors in synthetic tests. However, the gaming rank of 144 implies that in Roblox, the specific combination of this CPU and GPU is slightly less effective than some others, potentially due to the CPU's 14 cores and 14 threads, which may not provide the single-threaded boost that the game engine favors.

The GPU's rank percentile is 88, but its gaming performance in this combo is not solely defined by its own score. The combo rank of 144 out of 3,711 is a strong result, indicating that this system is more capable than roughly 96% of the tested configurations. The data shows that while the GPU is a top-tier part, the overall ranking is influenced by the CPU's ability to keep up, and the Ultra 5 235 appears to be a solid, if not spectacular, partner for the RTX 4090 in this specific title.

CPU Role

The Intel Core Ultra 5 235 is a 14-core, 14-thread processor based on the Arrow Lake architecture, with a base clock of 3.40 GHz and a boost clock of 5.00 GHz. It has a 24 MB shared L3 cache and supports DDR5 memory with a bandwidth of 102.4 GB/s. In Roblox, the data suggests that single-threaded performance is paramount, as the game is often limited by the CPU's ability to process game logic and physics. The processor's boost clock of 5.00 GHz is likely a key factor in achieving the high frame rates seen at lower resolutions.

The CPU's benchmark scores show a strong single-threaded performance, with a Cinebench R23 single-core score of 2085 and a Passmark single-thread score of 4516. These numbers are competitive with its nearest rivals, which include the AMD Ryzen AI 9 HX 375 and Intel Core i9-13900HX, all within a 0.2% delta of each other. This suggests that the Ultra 5 235 is not a bottleneck in terms of raw processing power, but the game's engine may not fully utilize all 14 cores, leaving performance dependent on the speed of a single thread.

The CPU's role in the measured results is evident from the FPS scaling. At 1080p Low, the average of 711 FPS indicates that the CPU is pushing its limits, as the GPU is far from being saturated. The fact that the FPS drops significantly when moving to 4K Low (268 FPS) shows that the GPU is finally taking on more work, but the CPU is still providing enough throughput to maintain high frame rates. The CPU's 65W TDP and 3 nm process indicate an efficient design, but the data shows that its 14 threads are sufficient for Roblox, as the game does not appear to be heavily multi-threaded. The performance percentile of 89 versus all CPUs and an average benchmark score of 46062 solidify its position as a capable mid-range processor that pairs well with a flagship GPU in this context.