Roblox

The AMD Ryzen 9 9900X and NVIDIA GeForce RTX 4080 combination produces unusually high frame rates in Roblox, a sandbox title that behaves differently from most modern AAA releases. Across the measured resolution and settings matrix, every playable preset stays far above refresh-rate headroom, with the lowest average figure being 158 FPS at 4K Ultra. These results place the pairing in the 250th position out of 3,711 tested combos for this game, suggesting it sits in the upper percentile of available systems. The CPU, a 12-core / 24-thread Zen 5 part running at 4.40 GHz base and 5.60 GHz boost, and the GPU, a 16 GB GDDR6X Ada Lovelace card with 9728 shading units and 716.8 GB/s bandwidth, together deliver a dataset that is more useful for understanding scaling behavior than for practical playability improvements.

Resolution Scaling

The measured FPS values show a clear monotonic decline as resolution increases from 1920x1080 to 3840x2160 across all four quality presets. For example, at Low settings the 1080p average of 643 drops to 429 at 1440p, then to 243 at 4K. That is a reduction of 214 FPS when moving from 1080p to 1440p, and another 186 FPS from 1440p to 4K. At High settings, the numbers go from 517 at 1080p to 345 at 1440p, and finally to 195 at 4K. The Ultra preset shows 420, 280, and 158 respectively. This indicates that the GPU becomes the limiting factor at higher resolutions, though the absolute performance remains extraordinarily high.

The ratio of scaling is consistent across settings. At Medium, the only preset with both min and max frame caps, 1080p averages 585 with a 497 min and 673 max, while 1440p averages 390 with 332 min and 449 max, and 4K averages 221 with 188 min and 254 max. The drop from 1080p to 1440p is 195 FPS, and from 1440p to 4K is 169 FPS. This pattern suggests that even at the medium level, the GPU’s rasterization load grows faster than the CPU’s ability to supply draw calls, but the extreme pixel count at 4K still leaves the RTX 4080 with plenty of headroom. A notable observation is that the Low preset at 1080p exceeds 600 frames per second, which is a frame rate far beyond any typical monitor’s refresh rate, and it indicates that the system is predominantly CPU‑bound at that resolution.

In practical terms, the limiting component at 1080p is the CPU, since doubling resolution to 1440p only reduces FPS by roughly one‑third across most presets, and doubling again to 4K yields a much smaller relative drop. At 4K, the GPU begins to matter more, but even at Ultra the 158 average remains well above the 144 Hz threshold. The data suggests that for players using 1080p or 1440p monitors, the combination is far ahead of what the display can showcase, and the user could turn up settings without losing smoothness.

FAQ

Q: What is the average FPS at 1440p with High settings?

A: The RTX 4080 with the 9900X yields 345 FPS at 2560x1440 High preset, which is well above typical high refresh rates.

Q: Is there any data on minimum and maximum frame rates?

A: The pack includes min and max FPS only for Medium settings, e.g., 1920x1080 Medium shows 497 min and 673 max, while 2560x1440 Medium shows 332 min and 449 max, and 3840x2160 Medium shows 188 min and 254 max.

Q: How does the Ultra preset compare to High at each resolution?

A: Ultra produces lower averages than High across all resolutions: at 4K Ultra averages 158, High 195; at 1440p Ultra 280, High 345; and at 1080p Ultra 420, High 517.

Q: What is the combo’s overall rank in Roblox?

A: The AMD Ryzen 9 9900X and RTX 4080 combination is ranked 250th out of 3,711 tested configurations.

Q: Does the CPU or the GPU limit performance in this game?

A: The scaling data implies that at 1080p the CPU is the primary bottleneck, since FPS remains in the hundreds despite high GPU load, and the FPS drops when moving to 4K are clearly GPU‑driven. The CPU’s 12-core, 24-thread arrangement and 5.60 GHz boost clock are more than sufficient to keep the GPU fed.

Q: What are the GPU’s benchmark scores relative to its closest rival?

A: The RTX 4080’s average is within 0.1% of the RTX 4080 SUPER’s average score (54,209 vs 54,?????). The exact rivals and deltas are listed in the nearestRivals fields.

CPU Role

The AMD Ryzen 9 9900X provides 12 cores and 24 threads, with a base clock of 4.40 GHz and boost clock of 5.60 GHz. Its L3 cache is 64 MB, and it uses the AMD Socket AM5 with a 4 nm process. This Zen 5 part, codenamed Granite Ridge, posts broad synthetic benchmark scores: Cinebench R23 multi‑core 32,172 and single‑core 2,253, and Cinebench R15 scores of 5,008 multi and 353 single. Geekbench multi‑core reaches 22,174 and single‑core 3,010. In the internal PassMark suite, the multi‑thread score is 54,643, single‑thread is 4,672, integer math 181,056, floating‑point math 120,083, and the core physical math fields.

The CPU’s average benchmark score is 57,498, which gives it a percentile vsAll CPUs of 92. Its nearest rival is AMD EPYC 9015 with an average score of 57,555 (a delta of -0.1%), followed by Intel Core i9-14900 with 58,115 (-1.1%) and Intel Xeon Platinum 8260M with 58,323 (-1.4%). The 9900X sits comfortably in the top 10% of all processors, and its high single‑thread and multi‑thread performance supports the Roblox frame rates. For Roblox, which is a sandbox game but implies sheer graphics logic, the CPU should not be a limiting factor; the high FPS at 1080p Low (643 FPS) indicates that the processor can process draw calls and physics arbitrarily quickly. The cache and memory bandwidth (89.6 GB/s) are more than sufficient for the modest latencies.

How This Combo Ranks

The specific middleware of an AMD Ryzen 9 9900X and an RTX 4080 on Roblox stands at rank 250 out of 3,711 tested CPU‑GPU combos, placing it in the top 0.7% of all datasets. For context, the median rank would be 1,855.5, so this combo is well above average. The CPU percentileVsAllCpus is 92, and the GPU percentileVsAllGpus is 86, both being high probability of hitting the highest quality presets. The Roblox data is measured (as per the "dataIsMeasured": true) rather than extrapolated, so the rank reflects actual in‑game performance.

Within Roblox, the raw measured FPS at 4K Ultra of 158 places the system in an elite group, as most CPUs and GPU pairs likely struggle to reach 30–45 FPS at that setting. The close‑proximity rival GPUs, the RTX 4080 SUPER (delta 0.1%), RX 6750 GRE (‑2.6%), and Radeon 8060S (‑2.7%), indicate that the RTX 4080 is on the border of the highest available scores, but the absolute frame rate numbers are already extreme for the title. Therefore, this is not a combo used to judge performance limits; it is a top‑end system for a game that is inherently highly scalable.

Measured FPS Breakdown

All listed FPS are average (with min and max given only for Medium). The exact measured values are:

• 1920x1080 Low: 643 FPS avg
• 1920x1080 Medium: 585 FPS avg (497 min, 673 max)
• 1920x1080 High: 517 FPS avg
• 1920x1080 Ultra: 420 FPS avg

• 2560x1440 Low: 429 FPS avg
• 2560x1440 Medium: 390 FPS avg (332 min, 449 max)
• 2560x1440 High: 345 FPS avg
• 2560x1440 Ultra: 280 FPS avg

• 3840x2160 Low: 243 FPS avg
• 3840x2160 Medium: 221 FPS avg (188 min, 254 max)
• 3840x2160 High: 195 FPS avg
• 3840x2160 Ultra: 158 FPS avg

At 1080p High, the 517 FPS means that the 9900X and RTX 4080 are beyond the refresh rate of any consumer monitor. At 4K Medium, the system still delivers 221 FPS average with a min above 188, ensuring a tear‑free experience on 4K displays when using a High‑refresh‑rate panel. At 4K Ultra, 158 FPS is still 2.6× the 60 FPS target but is the only preset that falls below 200 FPS, and the minimum is not provided for Ultra to estimate the severity.

The data allows for direct comparisons. Dropping from High to Low at 4K improves from 195 FPS to 243 FPS, a 48 FPS lift. At 1440p, the same drop adds 84 FPS (345→429). At 1080p, it adds 126 FPS (517→643). The game thus responds clearly to graphics settings even at high resolutions, but the system remains fluid.

Settings Recommendations

The measurement set provides four quality ticks per resolution. For a balanced experience, the High preset appears optimal: it offers a 185 FPS average at 4K, 345 at 1440p, and 517 at 1080p, with excellent visual quality. Ultra sacrifices a measurable portion of FPS—at 4K it drops to 158 (37 FPS reduction), at 1440p down to 280 (65 lower), and at 1080p to 420 (97 lower)—while the visual uplift is likely only marginal given that the game is a sandbox title with wide scene variability. Medium produces values close to High: 221, 390, and 585, but the difference is small about 5–15% relative, yet Medium also has the only min‑to‑max recorded data, indicating stable frame delivery. Low, while providing the highest FPS, sacrifices visual quality and the payoff is only useful for extremely high refresh rate monitors beyond 200 Hz.

For a 4K Ultra‑Performance setup, the High preset is the most sensible: a 195 FPS average translates to smooth motion on a 144 Hz or higher display. If the user prefers to push frame rates beyond 200 FPS, Medium yields 221 FPS with known min of 188 and max of 254. A future has shown the GPU is not the ultimate limit; the RTX 4080 could render 4K Vsync at 165, so optimizing visual quality to High provides the best return. At 1080p, even Ultra is ironically overkill, but the difference between Ultra and Low is 223 FPS, yet both exceed 240 Hz.

GPU Role

The NVIDIA GeForce RTX 4080 uses the AD103 chip with Ada Lovelace architecture, processed on a 5 nm process with 45,900 million transistors on a 379 mm² die. Its base clock is 2205 MHz, boost clock 2505 MHz, memory clock 1400 MHz with an effective data rate of 22.4 Gbps. The VRAM is 16 GB of GDDR6X on a 256‑bit bus, providing 716.8 GB/s of bandwidth. It houses 9721 shating units, 304 texture mapping units (TMU), 112 Raster Operation Pipelines (ROPs), 76 ray tracing cores, and 304 Tensor cores. Its pixel rate is 280.6 GPixel/s and texture rate is 761.5 GTexel/s. The FP32 performance is 48.74 TFLOPS, the same as FP16, indicating a 1:1 ratio.

In Roblox, the GPU takes over at higher resolutions. At 4K High, the 195 FPS average pulls the GPU to a significant load, while at 1080p low the FPS is limited by the CPU’s capabilities. The benchmark suite for the GPU shows a passmark G3D score of 34,457, passmark compute of 20,671, G2D 1,239, and DirectX 12 score of 132 (with DirectX 9 at 370, DX11 at 314, DX10 at 204). Its passmark overall average is 54,342, with the unique Geekbench OpenCL 214979 and Vulkan 263779. The GPU’s percentileVsAllGpus is 86, indicating it’s near the top of the pool.

The RTX 4080’s nearest rival is the RTX 4080 SUPER with an average score of 54,209 (delta 0.1%), showing nearly identical synthetic results. This close score means user can expect the 4080 to perform at the same level as the newer SUPER variant in most tasks. Looking at VRAM, 16 GB is more than enough for Roblox on any settings, as the game’s textures are not heavy; the GPU’s memory bandwidth 716.8 GB/s supports the high fill rates. The card’s triple‑slot form factor and 700 W suggested PSU are irrelevant to the gameplay itself but are part of the overall system design.

The GPU’s behavior in the Roblox tests is predictable: at low resolutions, the CPU is hamstringing the GPU, but at higher loads the RTX 4080’s rasterization shines, delivering 195 FPS at 4K Ultra and 158 FPS at the most demanding Ultra setting. The minimum and maximum data are only available for Medium, which shows a reasonable 97 FPS difference at 4K (188→254). This variance is rarely noticeable to the player. Consequently, the RTX 4080, despite being end‑of‑life in production status, remains an excellent part for this title, as evidenced by its placement in the top decile of all GPUs.