Roblox

Resolution Scaling

The measured FPS data for Roblox with the Intel Core Ultra 5 245 and NVIDIA GeForce RTX 5080 reveals a clear and dramatic scaling pattern as resolution drops. At 4K (3840x2160) with Ultra settings, the combo averages 164 FPS. Moving down to 1440p (2560x1440) at the same Ultra preset, the average jumps to 290 FPS, a 76.8% increase. The most dramatic shift occurs at 1080p (1920x1080), where the same Ultra settings produce an average of 435 FPS. This progression from 164 to 290 to 435 FPS as resolution decreases strongly suggests that the GPU is the primary scaling component at higher resolutions, while the CPU's capability becomes the limiting factor at lower ones.

When the settings are dropped to Low, the pattern becomes even more pronounced. At 4K Low, the average is 252 FPS. At 1440p Low, it climbs to 445 FPS, and at 1080p Low, it reaches 667 FPS. The delta between 1440p and 1080p at Low settings is 222 FPS, which is nearly identical to the 155 FPS delta between 4K and 1440p at the same settings. This near-linear scaling at low settings indicates that the game is highly responsive to the raw performance of the RTX 5080, but the fact that 1080p Low hits 667 FPS while 1080p Ultra sits at 435 FPS suggests that the CPU, with its 14 cores and 14 threads, begins to impose a practical ceiling on frame rates as the GPU workload lightens.

The Medium preset tells a similar story, with 4K averaging 229 FPS, 1440p averaging 405 FPS, and 1080p averaging 606 FPS. Notably, the Medium preset at 1080p is only 61 FPS slower than the Low preset at the same resolution, and at 1440p the gap narrows to just 40 FPS. This implies that the game's Medium settings introduce additional GPU load that the RTX 5080 can absorb without significant frame rate penalties at higher resolutions, but the CPU's role becomes more visible at 1080p where the absolute frame rates exceed 600 FPS. The data suggests that for this pairing, the practical performance envelope is bounded by the CPU's ability to feed frames at extreme rates, while the GPU's 16 GB of GDDR7 memory and 960.0 GB/s bandwidth ensure that memory capacity is not a bottleneck at any tested resolution.

GPU Role

The NVIDIA GeForce RTX 5080, built on the Blackwell 2.0 architecture with a 5 nm process, is clearly the dominant force driving Roblox's frame rates, particularly at 4K. The GPU's 16 GB of GDDR7 memory, paired with a 256-bit bus and 960.0 GB/s bandwidth, provides ample headroom for Roblox's sandbox scenarios, which often involve expansive worlds and numerous dynamic objects. The benchmark results indicate that even at 4K Ultra, the GPU maintains an average of 164 FPS, which is well above playable thresholds for most users. At 4K Low, the average rises to 252 FPS, a 53.7% improvement over Ultra, demonstrating that the GPU's 10752 shading units and 112 ROPs are not saturated at lower settings.

The clock speeds of the RTX 5080 (2295 MHz base, 2617 MHz boost) contribute to its consistent performance across resolutions. When comparing to its nearest rivals, the RTX 5080's average benchmark score of 56083 places it 0.6% ahead of the AMD Radeon 8060S and 0.7% ahead of the AMD Radeon RX 6750 GRE 12 GB, while trailing the AMD Radeon RX 9070 GRE by 2.2%. These margins are small, but in Roblox specifically, the GPU's role is amplified by the game's relatively simple rendering pipeline, which allows the RTX 5080 to push frame rates to extreme levels. The GPU's 84 RT cores and 336 tensor cores are underutilized in this title, as Roblox does not heavily rely on ray tracing or DLSS features, but the raw rasterization performance shines through.

The VRAM allocation is not a limiting factor in any measured scenario. The 16 GB capacity is more than sufficient for Roblox's texture and geometry demands, even at 4K Ultra. The data shows that the GPU's memory bandwidth of 960.0 GB/s ensures that texture streaming and draw calls do not cause frame hitches, as evidenced by the relatively stable average FPS figures. The GPU's percentile ranking of 87 among all GPUs indicates it is a high-end part, and in Roblox, this translates to performance that is rarely constrained by the graphics card, except at 4K Ultra where the average FPS drops to 164, still a strong showing. The GPU's PassMark G3D score of 36565 further validates its position, though in Roblox, the actual measured results suggest the CPU becomes the more interesting variable at lower resolutions.

CPU Role

The Intel Core Ultra 5 245, with its 14 cores and 14 threads, plays a nuanced role in Roblox's performance, becoming increasingly critical as resolution drops and frame rates soar. At 4K Ultra, the CPU's 3.50 GHz base and 5.10 GHz boost clocks are sufficient to keep the GPU fed, resulting in 164 FPS. However, at 1080p Low, the CPU's single-thread performance (Cinebench R23 single-core score of 4648) is pushed to its limits as the GPU renders frames faster than 600 FPS. The data shows that the CPU's 24 MB of L3 cache and 3 MB per-core L2 cache help mitigate latency, but the gap between 1080p Low (667 FPS) and 1080p Ultra (435 FPS) indicates that the CPU is the limiting factor in the former scenario, while the GPU takes over in the latter.

The CPU's average benchmark score of 48995 places it in the 90th percentile among all CPUs, with nearest rivals like the AMD Ryzen 9 7900 (0.5% slower) and Intel Core i5-14600K (0.8% slower). In Roblox, the CPU's 14 threads are more than adequate for the game's multithreaded simulation and physics, but the single-threaded nature of the game's main loop means that the 5.10 GHz boost clock is the key driver. The PassMark single-thread score of 4394 supports this, indicating strong per-core performance. At 1080p Medium, the average FPS of 606 is only 61 FPS below the Low preset, suggesting that the CPU can handle the increased draw calls without significant degradation, but the 1080p Ultra average of 435 FPS shows a more pronounced drop, likely due to the GPU's fill rate limits combined with CPU overhead.

The CPU's memory bandwidth of 102.4 GB/s and dual-channel DDR5 support ensure that data transfer is not a bottleneck, even at high frame rates. The 65W TDP and 3 nm process node from TSMC contribute to efficient operation, though this is not directly reflected in the FPS data. The CPU's integrated Arc Xe-LPG Graphics 64EU is irrelevant in this configuration, as the discrete RTX 5080 handles all rendering. The benchmark results indicate that the Core Ultra 5 245 is well-matched to the RTX 5080 for Roblox, but the data suggests that users seeking maximum frame rates at 1080p would benefit from a CPU with even higher single-thread performance, as the gap between Low and Ultra at that resolution is 232 FPS, a clear sign of GPU saturation at Ultra and CPU limits at Low.

Settings Recommendations

Based on the measured FPS rows, the optimal settings for this combo depend on the user's resolution and refresh rate priorities. At 4K, the High preset delivers an average of 202 FPS, which is a 23.2% improvement over Ultra (164 FPS) while still providing enhanced visuals over Medium (229 FPS) and Low (252 FPS). For users with 4K displays capped at 120Hz or 144Hz, the High preset is the sweet spot, as it offers a substantial visual upgrade over Low without sacrificing frame rate stability. The Medium preset at 4K (229 FPS) is also viable, but the 27 FPS gain over High is marginal given the visual downgrade.

At 1440p, the High preset averages 358 FPS, which is sufficient for even high-refresh 240Hz monitors. The Medium preset (405 FPS) provides an additional 47 FPS, but the visual fidelity loss may not be worth it for most users. The Ultra preset at 1440p (290 FPS) is still above 240Hz, making it a strong choice for users with the most demanding displays. The data suggests that at 1440p, the High preset offers the best balance, as it maintains an average frame rate that exceeds all but the most extreme refresh rates while preserving visual quality.

At 1080p, the situation is more complex. The Ultra preset averages 435 FPS, which is above 360Hz displays but below 480Hz panels. The High preset (536 FPS) and Medium preset (606 FPS) push frame rates higher, but the Low preset (667 FPS) is only 61 FPS faster than Medium. For competitive players with 360Hz or 480Hz monitors, the Medium preset is recommended, as it provides a 171 FPS advantage over Ultra while maintaining acceptable visuals. The High preset is a reasonable middle ground, but the Medium preset's min FPS of 515 (versus no min data for High) suggests better frame pacing. Overall, the data indicates that Medium at 1080p is the best experience per the measured rows, offering a 39.3% improvement over Ultra while remaining visually presentable.

How This Combo Ranks

In the context of all tested combos in Roblox, the Intel Core Ultra 5 245 paired with the NVIDIA GeForce RTX 5080 achieves a combo rank of 195 out of 3010, placing it in the top 6.5% of all configurations. This ranking reflects the exceptional performance of both components, but the data suggests that the combo's position is driven more by the GPU's raw power than the CPU's contribution. The RTX 5080's percentile rank of 87 among GPUs is lower than the CPU's percentile rank of 90, yet the GPU's impact on Roblox's frame rates is more pronounced, as evidenced by the resolution scaling data. The combo sits in a strong position, but there are 194 other combos that outperform it, likely featuring higher-end CPUs or GPUs.

The combo's rank implies that while it is not the absolute best for Roblox, it is significantly ahead of the average tested configuration. The nearest rivals in the CPU benchmark (AMD Ryzen 7 PRO 5755G, AMD Ryzen 9 7900, Intel Xeon Gold 5318H, Intel Core i5-14600K) all have average scores within 0.8% of the Core Ultra 5 245, suggesting that swapping the CPU for a similar-tier part would have minimal impact on the combo's rank. Conversely, the GPU's nearest rivals (AMD Radeon 8060S, RX 6750 GRE 12 GB, Pro W5700X, RX 9070 GRE) show that the RTX 5080 is closely matched, but the 2.3% gap between the RTX 5080 and the Radeon Pro W5700X in the GPU's favor is small. The data implies that the combo's 195th rank is stable, but users seeking higher rankings would need to upgrade the GPU to a model with a higher percentile or accept the diminishing returns of CPU upgrades.

FAQ

Q: What is the average FPS at 4K Ultra for this combo?

A: The average FPS at 3840x2160 with Ultra settings is 164 FPS, with no min or max FPS data provided.

Q: How does the RTX 5080 compare to its nearest rival in benchmark scores?

A: The RTX 5080's average benchmark score is 56083, which is 0.6% higher than the AMD Radeon 8060S and 2.2% lower than the AMD Radeon RX 9070 GRE.

Q: What is the highest average FPS recorded in the measured data?

A: The highest average FPS is 667, recorded at 1920x1080 with Low settings.

Q: Does the CPU or GPU limit performance more at 1080p Low?

A: At 1080p Low, the average FPS of 667 suggests the CPU is the limiting factor, as the GPU is capable of even higher frame rates at this low workload.

Q: What is the combo's rank among all tested configurations in Roblox?

A: The combo ranks 195th out of 3010 tested combos, placing it in the top 6.5%.

Q: What is the memory bandwidth of the RTX 5080?

A: The RTX 5080 has a memory bandwidth of 960.0 GB/s, with 16 GB of GDDR7 memory on a 256-bit bus.

Measured FPS Breakdown

The measured FPS data is organized by resolution and settings, providing a comprehensive view of performance:

3840x2160 (4K):

• High: Average 202 FPS
• Low: Average 252 FPS
• Medium: Average 229 FPS, Min 195 FPS, Max 263 FPS
• Ultra: Average 164 FPS

2560x1440 (1440p):

• High: Average 358 FPS
• Low: Average 445 FPS
• Medium: Average 405 FPS, Min 344 FPS, Max 465 FPS
• Ultra: Average 290 FPS

1920x1080 (1080p):

• High: Average 536 FPS
• Low: Average 667 FPS
• Medium: Average 606 FPS, Min 515 FPS, Max 697 FPS
• Ultra: Average 435 FPS

This breakdown highlights the scaling efficiency of the RTX 5080 across resolutions and settings. At 1080p, the average FPS ranges from 435 (Ultra) to 667 (Low), a spread of 232 FPS. At 1440p, the range narrows to 155 FPS (from 290 to 445), and at 4K, it narrows further to 88 FPS (from 164 to 252). The Medium preset is the only one with min and max FPS data, showing a consistent 68-70 FPS range between min and max at each resolution, indicating stable frame pacing. The data reveals that the RTX 5080's performance scales nearly linearly with resolution, while the CPU's influence becomes more apparent at lower resolutions and higher frame rates, as evidenced by the 1080p Low result of 667 FPS being the maximum recorded average.