Roblox

Roblox with an AMD Ryzen 7 9800X3D and NVIDIA GeForce RTX 4090 is an extreme pairing for a game that is typically considered light on system demands. The data shows a configuration that delivers exceptionally high frame rates across all tested resolutions and settings, firmly placing it in the top tier of tested combos. This analysis breaks down the measured FPS to understand where the bottlenecks lie and how to best configure the game for this hardware.

Resolution Scaling

The frame rate scaling from 1080p to 4K reveals a clear picture of where this combo's limits are. At 1920x1080 with High settings, the system produces 572 FPS. Moving to 2560x1440, that number drops to 382 FPS, a significant 33% reduction. Pushing further to 3840x2160, the frame rate falls to 216 FPS, which is another 43% drop from the 1440p result. This steep decline as resolution increases strongly indicates that the GPU is becoming the primary limiting factor at higher pixel counts.

The trend is consistent across all settings presets. At Low settings, the system goes from 711 FPS at 1080p, to 474 FPS at 1440p, and finally to 268 FPS at 4K. At Ultra settings, the progression is 464 FPS, 310 FPS, and 175 FPS for the respective resolutions. The fact that even at 4K Ultra the system still maintains an average of 175 FPS shows that the RTX 4090 is powerful enough to handle the game's demands at high resolutions, but the scaling pattern proves that the GPU is doing progressively more work.

The data suggests that at 1080p, the CPU is a significant contributor to performance, as the frame rates are extraordinarily high. The gap between 1080p and 1440p is substantial, indicating that the GPU's workload is increasing quickly. The scaling between 1440p and 4K is also steep, reinforcing that the RTX 4090 is the component being stressed by the higher pixel counts. This is a classic sign of a system where the CPU is powerful enough to feed the GPU at lower resolutions, but the GPU's rendering workload becomes the bottleneck as resolution climbs.

GPU Role

The NVIDIA GeForce RTX 4090 is a powerhouse, and its role in these results is defined by its massive memory pool and high clock speeds. The GPU comes with 24 GB of GDDR6X memory on a 384-bit bus, providing a bandwidth of 1.01 TB/s. This is far more memory than a game like Roblox would ever need at these settings, ensuring that texture loading and memory allocation are never a bottleneck. The high memory bandwidth also helps maintain consistent frame delivery, especially when the game world loads new assets.

The GPU's clock speeds are set at a base of 2235 MHz and a boost of 2520 MHz. These high clocks, combined with 16,384 shading units, allow the card to process geometry and pixel data at an incredible rate. The benchmark results for the GPU show a Passmark G3D score of 38194, placing it in the 88th percentile of all GPUs. Its average benchmark score is 60347, which puts it in a statistical tie with rivals like the Intel Arc Pro A60, which has a deltaPct of 0, and the AMD Radeon Pro Vega 48, which is 0.3% slower.

In Roblox specifically, the GPU's role is to handle the rendering workload. As resolution increases from 1080p to 4K, the number of pixels the GPU must process quadruples. The data reflects this, with frame rates dropping from 711 FPS to 268 FPS at Low settings. The RTX 4090's raw compute power, reflected in its 82.58 TFLOPS FP32 performance, is what allows it to still deliver over 175 FPS at 4K Ultra. The GPU's performance is clearly the deciding factor in the higher resolution results, as its workload scales directly with pixel count.

CPU Role

The AMD Ryzen 7 9800X3D is a Zen 5 architecture processor with 8 cores and 16 threads. Its defining feature is the large 96 MB of shared L3 cache, which is crucial for gaming performance. The CPU has a base clock of 4.70 GHz and a boost clock of 5.20 GHz. In a game like Roblox, which often has a single primary simulation thread, the high clock speeds are important for maintaining high frame rates, especially at lower resolutions where the GPU is not the limiting factor.

The CPU's benchmark scores are substantial. It scores 23230 in Cinebench R23 multicore and 2080 in single-core. Its Passmark single-thread score is 4430, and its average benchmark score is 39768, placing it in the 87th percentile of all CPUs. Its nearest rivals show it is in a tight pack: the AMD Ryzen 7 PRO 8840HS is 0.4% slower, and the AMD Ryzen AI 7 450 is 0.7% slower. This indicates that while the 9800X3D is an excellent gaming CPU, its raw compute performance is not far ahead of other modern chips.

The CPU's role in the Roblox data is most apparent at 1080p. The frame rates at this resolution, reaching up to 711 FPS at Low settings, are so high that they are likely limited by the game's engine or the CPU's ability to process game logic and draw calls. The 96 MB L3 cache helps keep frequently accessed data close to the cores, reducing latency and improving performance in scenarios with many objects. The data indicates that the CPU is not a bottleneck at 1440p and 4K, as the GPU's workload takes over, but its strong single-core performance ensures that the system can push high frame rates when the GPU is not saturated.

How This Combo Ranks

This specific combination of the AMD Ryzen 7 9800X3D and NVIDIA GeForce RTX 4090 ranks 144th out of 3711 tested combos in Roblox. This places it in the top 4% of all systems tested, which is an exceptionally strong result. The high ranking is a direct consequence of both components being top-tier in their respective categories.

The ranking reflects that while this is a top-tier setup, it is not the absolute best possible combination for Roblox. The 144th position out of 3711 combos suggests that there are a few other pairings of CPUs and GPUs that produce slightly higher average frame rates in this specific game. This could be due to factors like a CPU with higher single-core clock speeds or a GPU with a different architectural advantage in Roblox's specific rendering pipeline. However, the data clearly shows that this combo is far ahead of the vast majority of tested systems.

The data suggests that the combo is not bottlenecked in a way that a different component would fix. The high ranking confirms the balanced performance of the 9800X3D and the RTX 4090. While the GPU is the limiting factor at 4K, its performance is so high that the system still achieves excellent frame rates. The CPU's strength at lower resolutions ensures that the system can maximize performance when the GPU is less stressed. This combination of strengths is what secures its position in the upper echelon of the rankings.

Measured FPS Breakdown

The measured FPS data provides a detailed look at performance across all settings and resolutions. At 1920x1080, the average frame rates are as follows: Low settings produce 711 FPS, Medium settings produce 647 FPS with a minimum of 550 FPS and a maximum of 744 FPS, High settings produce 572 FPS, and Ultra settings produce 464 FPS. These numbers are exceptionally high, indicating that the system has no trouble at all at this resolution.

Moving to 2560x1440, the performance remains very high. Low settings yield 474 FPS, Medium settings yield 432 FPS with a minimum of 367 FPS and a maximum of 496 FPS, High settings yield 382 FPS, and Ultra settings yield 310 FPS. The frame rates are still far above what any monitor can display, but the drop from 1080p is noticeable, showing the GPU's increased workload.

At 3840x2160, the system still delivers excellent performance. Low settings produce 268 FPS, Medium settings produce 244 FPS with a minimum of 208 FPS and a maximum of 281 FPS, High settings produce 216 FPS, and Ultra settings produce 175 FPS. Even at the most demanding settings and resolution, the system maintains an average of 175 FPS, which is well above the refresh rate of most high-end displays. The minimum FPS recorded at 4K Medium was 208, indicating that even in demanding scenes, the frame rate does not dip to an unplayable level.

Settings Recommendations

Based on the measured data, the best experience is achieved by targeting a frame rate that matches a high-refresh-rate monitor's capabilities. For a 4K display, the Ultra preset at 3840x2160 produces an average of 175 FPS, which is an excellent experience for competitive or fast-paced gameplay. If a higher frame rate is desired, the High preset at 4K offers 216 FPS, a 23% increase over Ultra with a likely negligible visual difference in this game.

For users with a 1440p 240Hz monitor, the High preset at 2560x1440 is the sweet spot, delivering 382 FPS. This is well above the monitor's refresh rate, ensuring that the display is always saturated with frames. The Ultra preset at 1440p produces 310 FPS, which is still more than enough for a 240Hz panel, but the High preset provides a buffer for more complex scenes. The Medium preset at 1440p, with an average of 432 FPS, is also an option for those seeking maximum frame rates.

At 1080p, the system is so powerful that even the Ultra preset delivers 464 FPS. This makes the Ultra preset the clear recommendation for 1080p users, as it provides the best visual quality without sacrificing performance. The data shows that all settings at 1080p are playable, but the Ultra preset is the logical choice to maximize the visual experience. The High preset at 1080p offers 572 FPS, which is a good alternative if you want extra headroom, but the visual improvement from High to Ultra is typically worth the slight FPS cost in a game like Roblox.

Given the data, the High preset at 2560x1440 or 3840x2160 provides the best balance of visual fidelity and raw performance, with the Ultra preset being a viable choice for those prioritizing image quality over sheer frame rate. The measured data shows that the system is so powerful that any of these settings will deliver a smooth, high-performance experience. The choice ultimately comes down to the refresh rate of the display and personal preference for visual quality versus maximum FPS.