Roblox

# How This Combo Ranks

The Intel Core Ultra 7 155H paired with the NVIDIA GeForce RTX 5090 ranks 816th out of 3,711 tested combos in Roblox. This places the pairing in the top 22% of all tested configurations, a strong result for a game that is not typically demanding on high-end hardware. The rank reflects a combination that delivers exceptional frame rates across all tested resolutions, with the data showing that this pairing is firmly in the upper echelon of systems tested for this title.

What makes this rank particularly interesting is the disparity between the two components' individual standings. The RTX 5090 sits at the 92nd percentile among all GPUs, while the Core Ultra 7 155H ranks at the 83rd percentile among all CPUs. The combo's overall position in the 78th percentile of tested combos suggests that Roblox's workload characteristics prevent the system from achieving the absolute top-tier ranking that the GPU alone might suggest. The game's engine appears to place a ceiling on performance that neither component can fully overcome, yet the measured results still demonstrate a system that handles Roblox with substantial headroom.

Benchmark results indicate that this combo outperforms the vast majority of alternatives in the database, with only 22% of tested pairings producing better frame rates. The gap between this combo and lower-ranking configurations is substantial, particularly at 1440p and 1080p where the system delivers frame rates well beyond what most displays can showcase. At 4K, the combo still produces results that are highly competitive, though the performance scaling pattern reveals important characteristics about where the bottleneck lies in this specific pairing.

# CPU Role

The Intel Core Ultra 7 155H brings 16 cores and 22 threads to the pairing, with a base clock of 3.80 GHz and a boost clock of 4.80 GHz. This Meteor Lake architecture processor, built on Intel's 7 nm process, features a 24 MB shared L3 cache and dual-channel DDR5 memory support with 89.6 GB/s of memory bandwidth. The CPU's 28 W TDP classification marks it as a mobile-oriented part, yet the benchmark results show it performs admirably in Roblox's workload.

In Cinebench R23 multi-core testing, the 155H scores 15,028 points, while its single-core score reaches 1,743 points. PassMark results show a multi-thread score of 24,873 and a single-thread score of 3,468. These numbers place the CPU at the 83rd percentile among all tested processors, with its average benchmark score of 32,697 sitting nearly identical to the Intel Core i5-14600T's 32,707 and the AMD Ryzen AI 7 PRO 360's 32,662. The delta between these rivals is negligible, ranging from -0.4% to +0.1%, indicating that the 155H delivers performance parity with these alternatives.

Roblox's performance characteristics in the measured data suggest that the CPU plays a meaningful role at lower resolutions where frame rates exceed 500 FPS. At 1080p Low settings, the combo achieves 528 FPS average, a figure that demands strong single-thread performance to feed the GPU. The 155H's single-core capabilities, evidenced by its 1,743 Cinebench R23 score, provide sufficient throughput to maintain these high frame rates without creating a significant bottleneck. The 22 threads also handle background tasks and game logic efficiently, though Roblox's relatively simple physics and scripting workloads do not heavily stress the multi-threaded capabilities.

The CPU's position relative to its nearest rivals reinforces that the 155H is a balanced mobile processor that, in this pairing, does not limit Roblox performance. With the RTX 5090 handling the graphics workload, the 155H's job is to maintain a consistent stream of draw calls and game state updates, a task it handles with sufficient headroom as demonstrated by the measured frame rates.

# GPU Role

The NVIDIA GeForce RTX 5090 is the dominant component in this pairing, featuring 32 GB of GDDR7 memory on a 512-bit bus with 1.79 TB/s of bandwidth. The GPU operates at a 2017 MHz base clock and 2407 MHz boost clock, with its 21,760 shading units and 170 RT cores providing substantial compute resources. Built on TSMC's 5 nm process with 92,200 million transistors, the 5090 delivers 104.8 TFLOPS of FP32 performance, placing it at the 92nd percentile among all tested GPUs.

In synthetic benchmarks, the RTX 5090 achieves strong results across various tests. Its PassMark G3D score of 39,650 and Geekbench Vulkan score of 376,728 demonstrate the GPU's raw capabilities. The nearest rivals to the 5090 include the NVIDIA Tesla P100 PCIe 16 GB with a 0.3% delta and the AMD Radeon RX 6850M XT with a 1.1% delta, showing that the 5090 sits in a performance tier that is competitive with professional and high-end mobile workstation parts, though the deltaPct values indicate these are close comparisons in average benchmark scores.

In Roblox, the GPU's role becomes evident when examining the scaling of frame rates across settings. At 4K Ultra, the combo manages 130 FPS average, while dropping to 4K Low produces 199 FPS. This scaling pattern indicates that the GPU is the primary constraint at 4K, as the additional load from higher settings reduces frame rates proportionally. However, the sheer power of the 5090 means that even the most demanding settings at 4K remain highly playable, with the 130 FPS Ultra result representing a strong experience for Roblox's visual style.

The GPU's 92nd percentile ranking relative to all GPUs underscores its position as one of the most capable graphics processors in the database. In a game like Roblox, which features relatively simple geometry and lighting compared to AAA titles, the 5090's capabilities are not fully utilized at lower resolutions. The measured data shows that at 1080p, the frame rates are consistently above 345 FPS even at Ultra settings, indicating that the GPU is not the limiting factor at these resolutions.

# FAQ

Q: How does this combo compare to its nearest CPU rivals in synthetic benchmarks?

A: The Core Ultra 7 155H's average benchmark score of 32,697 is essentially tied with the Intel Core i5-14600T at 32,707 and the AMD Ryzen AI 7 PRO 360 at 32,662, with deltas of 0% and +0.1% respectively. The AMD Ryzen 5 7400F scores 32,750, representing a -0.2% delta, while the AMD Ryzen 7 PRO 6850H scores 32,812 with a -0.4% delta. These differences are within measurement noise.

Q: What is the RTX 5090's percentile ranking, and how does it compare to its nearest rivals?

A: The RTX 5090 ranks at the 92nd percentile among all GPUs. Its average benchmark score of 79,842 is slightly above the NVIDIA Tesla P100 PCIe 16 GB at 79,605 (0.3% delta) and the NVIDIA Tesla P100 PCIe 12 GB at 79,396 (0.6% delta). The AMD Radeon RX 6850M XT scores 78,940 (1.1% delta), while the AMD Radeon Pro Vega 64X scores 80,959 (-1.4% delta).

Q: What frame rate does this combo achieve at 1440p Medium settings?

A: At 2560x1440 with Medium settings, the combo achieves an average of 321 FPS, with a minimum of 273 FPS and a maximum of 369 FPS. This represents a substantial performance level that exceeds the refresh rate capabilities of most monitors.

Q: How does the 4K Ultra performance compare to 4K Low performance?

A: At 4K Ultra, the combo averages 130 FPS, while at 4K Low it averages 199 FPS. This represents a 53% performance increase when dropping from Ultra to Low settings, indicating that the GPU is the primary constraint at this resolution.

Q: What are the CPU's core and thread counts, and what is its boost clock?

A: The Intel Core Ultra 7 155H features 16 cores and 22 threads, with a base clock of 3.80 GHz and a boost clock of 4.80 GHz. It has a 24 MB shared L3 cache and supports dual-channel DDR5 memory.

Q: Does this combo maintain high frame rates at 1080p?

A: Yes, at 1920x1080 the combo achieves 528 FPS average on Low settings, 481 FPS on Medium, 425 FPS on High, and 345 FPS on Ultra. These results demonstrate that the system is capable of extremely high frame rates at this resolution, with the CPU becoming a more significant factor at the highest settings.

# Resolution Scaling

The resolution scaling behavior reveals important insights into this combo's performance characteristics. Moving from 1080p to 1440p to 4K at High settings, the average frame rates are 425, 284, and 160 FPS respectively. This represents a 33% drop from 1080p to 1440p and a further 44% drop from 1440p to 4K. The scaling pattern is consistent with a GPU-bound scenario at higher resolutions, where the RTX 5090's workload increases significantly as pixel count grows.

The data shows that at 1080p, the combo achieves frame rates that are likely limited by the CPU or game engine rather than the GPU. The difference between Low and Ultra settings at 1080p is 183 FPS (528 to 345), which is a 35% reduction. At 4K, the same settings comparison shows a 69 FPS difference (199 to 130), representing a 35% reduction as well. This consistent percentage drop across resolutions suggests that the settings scaling is proportional, but the absolute frame rates indicate different bottleneck points.

At 1440p, the combo delivers frame rates that are still exceptionally high, with Ultra settings producing 230 FPS and Low settings reaching 353 FPS. The 4K results, while lower, remain highly playable across all settings. The scaling from 1080p to 4K at Medium settings shows a drop from 481 to 181 FPS, a 62% reduction, which is more pronounced than the 60% reduction seen at High settings. This suggests that Medium settings at 4K place a relatively heavier load on the GPU compared to the same settings at lower resolutions.

The limiting component shifts as resolution increases. At 1080p, the system's frame rates are so high that the CPU's ability to process game logic and issue draw calls becomes the primary constraint. At 4K, the GPU's rendering workload dominates, as evidenced by the larger absolute FPS differences between settings. This combination of a mid-range mobile CPU and a top-tier desktop GPU creates a pairing where the bottleneck is clearly resolution-dependent.

# Settings Recommendations

The measured data provides clear guidance for optimizing the Roblox experience with this combo. At 4K, the Ultra preset delivers 130 FPS average, which is a playable experience, but the High preset at 160 FPS provides a better balance of visual quality and performance. The Medium preset at 181 FPS offers an even smoother experience with only a modest reduction in visual fidelity compared to High. For players prioritizing frame rate at 4K, the Medium preset is the recommended choice, as it maintains a 181 FPS average while still providing reasonable visual quality.

At 1440p, the High preset achieves 284 FPS, which is sufficient for even the highest refresh rate gaming monitors. The Ultra preset at 230 FPS still provides an excellent experience, and the visual quality improvements over High may be noticeable in Roblox's environments. The Medium preset at 321 FPS is unnecessary for most displays, as it exceeds the refresh rate capabilities of virtually all monitors. For 1440p users, the High preset represents the best balance, while Ultra is recommended for those who prioritize visual quality over maximum frame rates.

At 1080p, all settings produce frame rates that exceed 345 FPS, meaning the limiting factor becomes the display's refresh rate rather than the system's performance. The Ultra preset at 345 FPS remains highly playable, and the visual improvements over lower presets are worth the performance trade-off since the frame rate is still exceptionally high. The High preset at 425 FPS offers additional headroom for competitive play or for users with 360 Hz or higher refresh rate displays.

The data indicates that the Medium preset provides the most consistent frame times across resolutions, as evidenced by the minimum and maximum FPS values recorded at each resolution. At 4K Medium, the minimum is 154 FPS and the maximum is 209 FPS, representing a tighter distribution compared to other settings. This consistency makes Medium the safest choice for maintaining smooth gameplay, particularly at 4K where the absolute frame rates are lower. For users with high refresh rate displays at 1440p or 1080p, the Ultra preset is recommended, as the frame rates remain well above 200 FPS even at the most demanding settings.