Roblox

Resolution Scaling

The measured FPS data for Roblox on this Intel Core i5-12600KF and AMD Radeon RX 9070 XT combination reveals a clear pattern of scaling across the three primary resolutions. At 1920x1080 with High settings, the system produces 403.6 FPS. Moving to 2560x1440 drops that figure to 266.7 FPS, a reduction of approximately 34%. The jump to 3840x2160 yields 149.3 FPS, which is 63% lower than the 1080p result. This progressive decline is expected, but the magnitude tells a specific story about the limiting component.

The scaling behavior becomes more telling when examining the Low preset. At 1080p Low, the system reaches 502 FPS. At 1440p Low, it maintains 336.7 FPS. At 4K Low, it still delivers 188.5 FPS. The fact that even the lowest settings at 4K produce nearly 190 FPS indicates that the GPU is not the sole bottleneck in this title. Roblox is a sandbox game that tends to be sensitive to CPU performance, and the data supports that interpretation. The i5-12600KF, with its 10 cores and 16 threads, is a strong processor, but at 1080p the frame rates exceed 500, which is a domain where single-thread performance and memory latency become critical factors.

The delta between Low and Ultra settings at each resolution is also informative. At 1080p, Low produces 502 FPS while Ultra produces 326.6 FPS, a gap of 175.4 FPS or roughly 35%. At 1440p, the gap narrows slightly: 336.7 versus 221.2, a difference of 115.5 FPS. At 4K, Low gives 188.5 and Ultra gives 125.9, a spread of 62.6 FPS. This narrowing gap as resolution increases confirms that higher resolutions shift more load onto the GPU, reducing the relative impact of the CPU. However, even at 4K Ultra, the system maintains a playable 125.9 FPS, which is far above typical display refresh rates.

The data suggests that for competitive play, where frame rates above 300 are desirable, 1080p with any preset achieves that goal. For 1440p, only the Low and Medium presets exceed 300 FPS. At 4K, the system delivers between 125.9 and 188.5 FPS depending on settings, which is smooth for most users but not sufficient for the highest-refresh-rate displays.

FAQ

Q: What is the average FPS at 1080p with High settings?

A: The measured average is 403.6 FPS at 1920x1080 with High settings.

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

A: At 3840x2160, Low settings produce 188.5 FPS while Ultra settings produce 125.9 FPS. The difference is 62.6 FPS, indicating that the Ultra preset imposes a significant additional load on the GPU.

Q: Is this CPU or GPU limited in Roblox?

A: The scaling pattern indicates a mix. At 1080p Low, the system hits 502 FPS, suggesting CPU limitations. At 4K, the GPU becomes more relevant, but even 4K Low exceeds 188 FPS, so the GPU is not overwhelmed.

Q: What is the best resolution for maximum frame rate?

A: The highest measured frame rate is 502 FPS at 1920x1080 with Low settings. This is the only configuration exceeding 500 FPS.

Q: How much performance is lost when going from 1440p to 4K at Medium settings?

A: At 2560x1440 Medium, the average is 305.4 FPS. At 3840x2160 Medium, it drops to 173.2 FPS, a reduction of 132.2 FPS or about 43%.

Q: Does the Ultra preset provide a smooth experience at 4K?

A: Yes, 125.9 FPS at 3840x2160 Ultra is well above the 60 FPS threshold and suitable for most displays.

GPU Role

The AMD Radeon RX 9070 XT brings substantial hardware to the table. It features 16 GB of GDDR6 memory on a 256-bit bus, yielding a bandwidth of 644.6 GB/s. The GPU core operates with a base clock of 1660 MHz and a boost clock of 2970 MHz, with a game clock rated at 2400 MHz. Memory runs at 2518 MHz, translating to 20.1 Gbps effective. These specifications position the card as a high-end option, and the benchmark results confirm its capability in Roblox.

The GPU's role in this title is interesting because Roblox is not typically considered a graphically demanding game. The 16 GB VRAM is far more than the game requires, even at 4K. The 4096 shading units and 128 ROPs provide ample fill rate, and the pixel rate of 380.2 GPixel/s is more than enough for the relatively simple geometry and textures in Roblox. The data shows that at 4K Ultra, the card still delivers 125.9 FPS, which indicates that the GPU is not the primary constraint even at the highest settings.

The architectural details support this. The RDNA 4.0 architecture, built on a 4 nm process, includes 64 ray tracing cores, though Roblox does not heavily utilize ray tracing. The 48.66 TFLOPS of FP32 performance is substantial, but the game's workload appears to be more CPU-bound. The fact that 1080p Low reaches 502 FPS while 1080p Ultra reaches 326.6 FPS suggests that even at the same resolution, the CPU is struggling to feed the GPU faster than that. The GPU's compute capabilities are not fully utilized in this scenario, and the bottleneck shifts to the processor.

The measured passmark G3D score of 26795 and the 3DMark Steel Nomad DX12 score of 7260 place this GPU in the 82nd percentile among all GPUs. This is high, but the nearest rivals in the database include the AMD Radeon Pro 575 and the AMD Radeon RX Vega 64, which are older products. The data indicates that for Roblox, the GPU is overqualified, and users would see similar frame rates with a less powerful card. However, the headroom ensures that no settings combination can cause the frame rate to drop below 125 FPS, which is a comfortable margin.

Measured FPS Breakdown

At 1920x1080, the system delivers its highest frame rates. Low settings produce 502 FPS, Medium produces 454.1 FPS, High produces 403.6 FPS, and Ultra produces 326.6 FPS. The progression from Low to Ultra shows a steady decline, with the Ultra preset costing 175.4 FPS compared to Low. This is a 35% reduction, which is significant but still leaves the frame rate far above typical display capabilities. The gap between Medium and High is 50.5 FPS, and between High and Ultra it is 77 FPS, indicating that the Ultra preset is disproportionately demanding.

Moving to 2560x1440, the frame rates remain high but show the expected drop. Low settings yield 336.7 FPS, Medium yields 305.4 FPS, High yields 266.7 FPS, and Ultra yields 221.2 FPS. The spread between Low and Ultra is 115.5 FPS, a smaller absolute difference than at 1080p but a similar percentage. The 1440p results are all above 220 FPS, meaning even Ultra settings are suitable for high-refresh-rate monitors.

At 3840x2160, the system still performs admirably. Low settings deliver 188.5 FPS, Medium delivers 173.2 FPS, High delivers 149.3 FPS, and Ultra delivers 125.9 FPS. The gap between Low and Ultra here is 62.6 FPS. Notably, the difference between Low and Medium at 4K is only 15.3 FPS, while between High and Ultra it is 23.4 FPS. This suggests that the Ultra preset at 4K is where the GPU starts to feel the load, but even then, it remains above 120 FPS.

The data shows no resolution or settings combination below 125 FPS. This is a robust result for a sandbox game that can have unpredictable performance spikes in complex user-generated worlds. The measured values are averages, so transient drops could occur, but the overall headroom is substantial.

How This Combo Ranks

The combination of the Intel Core i5-12600KF and the AMD Radeon RX 9070 XT ranks 494th out of 1800 tested combinations in Roblox. This places it in the top 27.4% of all tested systems. The rank is notable because both components are high-end, yet the combination is not in the top 100. This suggests that other factors, such as memory configuration or motherboard choice, may influence performance, or that the game's engine does not scale perfectly with the hardware.

The CPU itself ranks in the 84th percentile among all CPUs, with an average benchmark score of 27827. Its nearest rivals include the Intel Core i9-10900K with an identical average score of 27829 and a delta of 0%, the Intel Core i5-12600K at 27851 with a delta of -0.1%, and the Intel Core Ultra 5 125H at 27872 with a delta of -0.2%. The i7-13700H scores slightly lower at 27716 with a delta of 0.4%. This means the i5-12600KF is essentially tied with its closest competitors, and the CPU is not a differentiator in this ranking.

The GPU, meanwhile, ranks in the 82nd percentile among all GPUs. Its average benchmark score is 39647, and its nearest rivals are the AMD Radeon Pro 575 at 39703, the NVIDIA RTX A500 Mobile at 39568, and the AMD Radeon Pro 575X at 39836. These are all within a 0.6% delta, indicating that the GPU's raw compute performance is similar to these products. However, in Roblox, the GPU is not the limiting factor, so the combo rank of 494 is likely influenced more by the CPU and system memory.

The rank of 494 out of 1800 suggests that there are many combinations that perform better in this specific game. This could be due to the game's preference for higher single-thread performance, where the i5-12600KF's single-thread score of 3925 in Passmark is good but not exceptional. The data indicates that while this combo is powerful, it does not dominate in Roblox.

Settings Recommendations

Based on the measured FPS values, the optimal settings depend on the user's display and performance goals. For a 1080p display with a 144 Hz refresh rate, the High preset at 403.6 FPS is more than sufficient. There is no need to use Ultra, as the visual difference in Roblox is minimal, and the 77 FPS drop from High to Ultra is not worth it. The Low preset at 502 FPS offers the highest possible frame rate, which could benefit competitive players, but the visual quality reduction may be noticeable.

For 1440p displays, the recommended preset is High at 266.7 FPS, which comfortably exceeds any 240 Hz display. The Medium preset at 305.4 FPS is also viable if the user prefers higher frame rates over visual fidelity. The Ultra preset at 221.2 FPS is still smooth, but the 45.5 FPS difference between High and Ultra is a meaningful trade-off for marginal visual improvements in a game like Roblox.

For 4K displays, the data shows that all presets are playable. The Ultra preset at 125.9 FPS is just above the 120 Hz threshold, making it suitable for high-end displays. The High preset at 149.3 FPS provides a better margin, and the Medium preset at 173.2 FPS offers a comfortable buffer. The Low preset at 188.5 FPS is the safest choice for maintaining high frame rates in complex scenes. Given that Roblox's visual settings have diminishing returns at 4K, the Medium preset at 173.2 FPS represents the best balance of performance and visual quality.

In summary, for most users, the High preset at 1440p provides the best overall experience, delivering 266.7 FPS with solid visual quality. For 4K users, the Medium preset at 173.2 FPS is recommended. For 1080p competitive players, the Low preset at 502 FPS is the clear choice. The system has enough headroom that no settings combination will result in an unplayable experience, which is the key takeaway from this data.