Roblox

FAQ

Q: Can this system run Roblox at 4K resolution?

A: Yes, but only at Low settings. The recorded data shows a 3840x2160 Low preset averages 64 FPS, which clears the 60 FPS playable threshold. Medium averages 59 FPS (just below the threshold), High averages 52 FPS, and Ultra averages 42 FPS.

Q: What is the best preset at 1440p for a smooth experience?

A: At 2560x1440, every preset from Low to Ultra averages above 60 FPS. Ultra delivers 74 FPS on average, making it the best visual option that still maintains smooth performance.

Q: How does the Intel Arc B390 compare to its closest GPU rivals?

A: The Arc B390 sits in the 9th percentile of all GPUs in the database. Its nearest rivals are the NVIDIA GeForce GT 520MX (1.3% slower in average benchmark score), the NVIDIA GeForce 800M (1.5% slower), the NVIDIA GeForce GT 625 OEM (2.5% slower), and the NVIDIA GeForce GT 710 (2.7% slower).

Q: Is the AMD Ryzen 9 5950X a high-performing CPU in the database?

A: Yes, the Ryzen 9 5950X ranks in the 91st percentile of all CPUs. Its average benchmark score is 51,947, which is nearly identical to the Intel Core Ultra 5 235HX (0.2% faster), the AMD EPYC 8124P (0.3% faster), and the Intel Core i7-14700 (0.7% faster), while being 0.4% faster than the Intel Core i9-13900F.

Q: Does the CPU or GPU limit performance in Roblox?

A: The data indicates the GPU is the limiting factor. The Arc B390 is an integrated graphics solution with system-shared memory and a 9th percentile GPU ranking, while the Ryzen 9 5950X is a high-end desktop processor in the 91st percentile. The frame rates scale heavily with resolution and preset changes, which is typical of GPU-bound workloads.

Q: What is the overall ranking of this CPU and GPU combo in Roblox?

A: This combination ranks 3,289 out of 3,711 tested combos in Roblox, placing it in the lower portion of the database for this specific game.

CPU and GPU Roles

The benchmark data shows a clear pattern: the Intel Arc B390 integrated GPU is the primary performance bottleneck in Roblox, while the AMD Ryzen 9 5950X provides ample headroom. This conclusion comes from observing how frame rates scale with resolution and preset changes.

At 1920x1080, the system moves from 171 FPS on Low to 111 FPS on Ultra, a drop of 60 FPS when pushing the graphics preset to its maximum. The Medium preset records 155 FPS with a minimum of 132 FPS and a maximum of 179 FPS. This wide range between presets indicates the GPU is doing the heavy lifting, as the CPU has far more capability than needed for this workload.

Moving to 2560x1440, the same pattern continues. Low averages 114 FPS, Medium 104 FPS, High 92 FPS, and Ultra 74 FPS. The scaling from 1080p to 1440p shows a reduction of roughly 33% to 37% across presets, which aligns with the increased pixel count that the GPU must process. The CPU's role remains secondary, as its 16 cores and 32 threads are far beyond what Roblox requires for physics and game logic.

At 3840x2160, the GPU strain becomes severe. Low drops to 64 FPS, Medium to 59 FPS, High to 52 FPS, and Ultra to 42 FPS. The 4K resolution demands approximately four times the pixel throughput of 1080p, and the Arc B390's integrated architecture with system-shared memory cannot sustain high frame rates under this load. The CPU's performance characteristics, including its high single-thread score of 1,614 in Cinebench R23, remain unchanged across resolutions, confirming that the GPU is the deciding factor.

The preset scaling also reveals the GPU's limits. At 1080p, the difference between Low and Ultra is 60 FPS. At 1440p, this difference narrows to 40 FPS. At 4K, it narrows further to 22 FPS. As resolution increases, the absolute frame rate ceiling compresses, meaning the GPU reaches its saturation point more quickly at higher pixel counts. The CPU, by contrast, never becomes saturated in this game based on the recorded measurements.

Similar Performance Alternatives

Looking at the nearest rivals in the database, both the CPU and GPU have close performance neighbors that would produce similar results in Roblox.

For the AMD Ryzen 9 5950X, the closest alternatives are the Intel Core Ultra 5 235HX, which scores 0.2% higher on average, and the AMD EPYC 8124P, which scores 0.3% higher. The Intel Core i7-14700 is 0.7% faster, while the Intel Core i9-13900F is 0.4% slower. These four processors all sit within a 1% performance band, meaning any of them paired with the same Arc B390 GPU would yield near-identical frame rates in this game. Since Roblox is GPU-bound with this graphics solution, the choice among these CPUs would have negligible impact on the measured FPS.

For the Intel Arc B390, the nearest GPU rivals are all older, low-end NVIDIA parts. The GeForce GT 520MX is 1.3% faster in average benchmark score, the GeForce 800M is 1.5% faster, the GeForce GT 625 OEM is 2.5% faster, and the GeForce GT 710 is 2.7% faster. These deltas are small, so swapping the Arc B390 for any of these GPUs would produce very similar performance in Roblox. The practical takeaway is that this system behaves like a low-end integrated graphics platform, regardless of the powerful CPU attached to it.

The combination of a top-tier CPU with a bottom-tier GPU creates an unusual pairing. Users who already own the Ryzen 9 5950X but are constrained to integrated graphics would see essentially the same Roblox performance as someone using a much weaker processor, because the GPU bottleneck dominates the frame rate in every resolution and preset tested.

The Verdict

The database verdict is clear: this PC can run Roblox, but the playable settings depend heavily on resolution.

At 1920x1080, all four presets (Low, Medium, High, Ultra) clear the 60 FPS threshold. The best preset is Ultra with an average of 111 FPS. This is a fully playable experience at maximum quality.

At 2560x1440, all four presets also clear 60 FPS. The best preset is Ultra with an average of 74 FPS. The system has enough headroom to run the game at high visual quality while staying comfortably above the playable threshold.

At 3840x2160, only the Low preset reaches 60 FPS, averaging 64 FPS. Medium falls just short at 59 FPS, High averages 52 FPS, and Ultra averages 42 FPS. For 4K gaming, users must accept Low settings to maintain smooth performance.

The verdict by resolution states that 1080p and 1440p support all presets, while 4K supports only Low. Users targeting 4K should set expectations accordingly, as the integrated GPU cannot handle higher presets at that resolution without dropping below 60 FPS.

Measured FPS Breakdown

1920x1080:

• Low: 171 FPS average
• Medium: 155 FPS average, 132 FPS minimum, 179 FPS maximum
• High: 137 FPS average
• Ultra: 111 FPS average

2560x1440:

• Low: 114 FPS average
• Medium: 104 FPS average, 88 FPS minimum, 119 FPS maximum
• High: 92 FPS average
• Ultra: 74 FPS average

3840x2160:

• Low: 64 FPS average
• Medium: 59 FPS average, 50 FPS minimum, 67 FPS maximum
• High: 52 FPS average
• Ultra: 42 FPS average

The data shows a consistent downward trend as both resolution and preset quality increase. The Medium preset at each resolution includes minimum and maximum frame times, which are useful for understanding frame pacing. At 1080p Medium, the minimum of 132 FPS still exceeds the 60 FPS threshold by a wide margin. At 1440p Medium, the minimum of 88 FPS remains comfortable. At 4K Medium, the minimum of 50 FPS drops below the playable threshold, which explains why this preset is not recommended for 4K.

Best Settings per Resolution

1920x1080: The most demanding preset that stays at or above 60 FPS is Ultra, which averages 111 FPS. This delivers the maximum visual quality while maintaining a significant margin above the playable threshold.

2560x1440: The most demanding preset that stays at or above 60 FPS is also Ultra, averaging 74 FPS. The margin is smaller than at 1080p but still comfortable, with no risk of dropping near the threshold based on the average data.

3840x2160: The most demanding preset that stays at or above 60 FPS is Low, averaging 64 FPS. This is the only playable option at 4K. Medium falls short at 59 FPS, so users seeking smooth 4K performance must accept the reduced visual fidelity of Low settings.

How This Combo Ranks

In the database of tested combinations for Roblox, this specific pairing of the AMD Ryzen 9 5950X and Intel Arc B390 ranks 3,289 out of 3,711 total combos. This places the system in the bottom 11% of all tested configurations for this game.

The low ranking is almost entirely attributable to the GPU. The Arc B390 sits in the 9th percentile of all GPUs in the database, meaning roughly 91% of tested graphics solutions outperform it. The Ryzen 9 5950X, by contrast, sits in the 91st percentile of all CPUs, meaning it outperforms the vast majority of processors. The combination of a top-10% CPU with a bottom-10% GPU produces a system that is heavily constrained by its graphics component.

In practical terms, this ranking means that most other hardware combinations in the database will deliver higher frame rates in Roblox, particularly at higher resolutions and presets. The system is playable at 1080p and 1440p across all presets, and at 4K on Low settings, but it does not compete with systems that use discrete graphics cards. The ranking reflects the GPU's limited pixel throughput and system-shared memory architecture, which cannot match the performance of dedicated graphics solutions tested in the database.