Roblox

Best Settings per Resolution

At 1920x1080, the AMD Ryzen 5 7600 with Intel Arc B390 can run Roblox at Ultra settings while maintaining an average of 111 FPS. This is the most demanding preset that clears the 60 FPS playable threshold, and it does so with a substantial margin of 51 FPS. The 1080p Ultra result is the strongest performance point in the entire dataset for this combination.

At 2560x1440, the best playable settings are also Ultra, with an average of 74 FPS. This is 14 FPS above the playable threshold, leaving some headroom for scene complexity spikes. The 1440p Ultra result is 37 FPS lower than the 1080p Ultra figure, showing a predictable resolution penalty.

At 3840x2160, the picture changes notably. Ultra settings drop to 42 FPS, which is below the 60 FPS playable line. Medium settings at 4K produce 59 FPS, just 1 FPS short of the threshold. The highest playable setting at 4K is Low, which delivers an average of 64 FPS. This is the only 4K preset that stays at or above 60 FPS. High at 4K sits at 52 FPS, and Ultra at 42 FPS, both unplayable by the 60 FPS standard.

The data shows a clear pattern: the Arc B390 is capable of Ultra settings at 1080p and 1440p, but at 4K, the user must step down to Low to maintain playable performance. The recorded metric for 4K Low is 64 FPS, exactly 4 FPS above the threshold.

CPU and GPU Roles

The recorded measurements show how the balance between the Ryzen 5 7600 and the Arc B390 shifts across resolutions. At 1920x1080, the CPU has more influence on the frame rate ceiling. The difference between 1080p Low (171 FPS) and 1080p Ultra (111 FPS) is 60 FPS, indicating that the GPU is still the limiting factor when settings increase, but the CPU is capable of feeding a very high frame rate at lower settings.

At 2560x1440, the gap between Low (114 FPS) and Ultra (74 FPS) is 40 FPS. The resolution increase from 1080p to 1440p reduces the Low setting performance from 171 to 114 FPS, a 33% drop. The Ultra setting drops from 111 to 74 FPS, a 33% drop as well. This proportional scaling suggests that the GPU load is scaling consistently with pixel count, while the CPU is not the primary constraint.

At 3840x2160, the GPU becomes the dominant factor. Low settings at 4K (64 FPS) are 43% lower than Low at 1440p (114 FPS). Medium at 4K (59 FPS) is 43% lower than Medium at 1440p (104 FPS). The 4K Ultra result of 42 FPS is 43% lower than the 1440p Ultra result of 74 FPS. The consistent 43% reduction across all settings when moving from 1440p to 4K points to a purely pixel-bound workload at 4K, with the CPU showing no additional strain.

The 1080p to 1440p transition shows a smaller, yet still noticeable drop: Low from 171 to 114 FPS (33% drop), Medium from 155 to 104 (33% drop), High from 137 to 92 (33% drop), and Ultra from 111 to 74 (33% drop). The uniform 33% reduction across all settings at this transition again highlights GPU scaling, since the CPU is capable of handling the scene complexity at these settings.

At 4K, the GPU is the clear limiting factor. The data shows that dropping from High to Low at 4K only improves from 52 to 64 FPS, which is a 12 FPS gain. At 1080p, the same setting change yields a 34 FPS gain (137 to 171). This confirms that the Arc B390 is the bottleneck at 4K, while the CPU is not being fully utilized at lower resolutions.

Similar Performance Alternatives

For the CPU, the nearest recorded rivals to the AMD Ryzen 5 7600 are all within a 0.5% performance delta. The AMD Ryzen 9 6900HX scores 0.2% higher, the Intel Core i9-11900KF is 0.4% higher, the AMD Ryzen 7 7435HS is 0.3% lower, and the AMD Ryzen 5 8540U is 0.5% higher. In Roblox, any of these processors would produce frame rates within the margin of error of the Ryzen 5 7600 at all resolutions, meaning the CPU choice is unlikely to change the measured FPS by more than a few frames.

For the GPU, the Intel Arc B390 sits very low in the general GPU ranking, with a percentile of 9 among all GPUs. Its nearest recorded rivals are the NVIDIA GeForce GT 520MX (1.3% higher score), the NVIDIA GeForce 800M (1.5% higher), the NVIDIA GeForce GT 625 OEM (2.5% higher), and the NVIDIA GeForce GT 710 (2.7% higher). These are all much older, low-end parts. In Roblox, a system with any of these GPUs would produce very similar frame rates to the Arc B390, which means that at 4K the user would see the same 52 to 64 FPS range, and at 1080p the frame rates would be close to the 111 to 171 FPS range. The Arc B390 is not a high-end GPU, and the data shows that its performance profile is similar to those older NVIDIA parts.

The CPU side is vastly stronger. The Ryzen 5 7600 has a percentile of 78 among all CPUs, and its nearest rivals are all modern or upper-midrange parts. This means the CPU is delivering excellent performance in Roblox, and the 1080p frame rates are limited only by the GPU. The GPU is the weaker link in this combination, as shown by the 4K results.

FAQ

Q: Can this PC run Roblox at 60 FPS on a 4K monitor?

A: Only with Low settings. The recorded average at 3840x2160 Low is 64 FPS. Medium at 4K produces 59 FPS, which is just below the 60 FPS threshold, and High produces 52 FPS.

Q: What is the best setting for 1440p gameplay?

A: Ultra settings at 2560x1440 produce an average of 74 FPS, which is the best playable resolution. All four settings (Low, Medium, High, Ultra) at 1440p exceed 60 FPS, with Low at 114, Medium at 104, High at 92, and Ultra at 74.

Q: How many FPS does this system get at 1080p with Medium settings?

A: The recorded average is 155 FPS, with a minimum of 132 and a maximum of 179 FPS. This is well above the 60 FPS threshold.

Q: Is the Arc B390 a high-end GPU?

A: The data shows it is not. The Arc B390 has a percentile of 9 among all GPUs, and its nearest rivals are the NVIDIA GeForce GT 520MX and GT 710, which are older entry-level parts.

Q: Which resolution gives the best performance headroom?

A: 1920x1080 with Low settings gives the highest recorded average FPS at 171. Even at Ultra, 1080p produces 111 FPS, leaving a 51 FPS margin over the 60 FPS threshold.

Q: Why are 4K Medium and High not playable?

A: The recorded data shows 4K Medium at 59 FPS and 4K High at 52 FPS, both below the 60 FPS threshold. Only 4K Low, at 64 FPS, meets the playable standard.

Measured FPS Breakdown

At 3840x2160, the only setting with a recorded minimum and maximum is Medium, with an average of 59, a minimum of 50, and a maximum of 67 FPS. Low produces an average of 64 FPS, High produces 52 FPS, and Ultra produces 42 FPS. No min or max values are recorded for Low, High, or Ultra at this resolution.

The 2560x1440 measurements show Medium with the only full min/max range: average 104, minimum 88, maximum 119. Low averages 114 FPS, High averages 92 FPS, and Ultra averages 74 FPS. All four settings at 1440p exceed the 60 FPS threshold, with the minimum recorded frame being 88 FPS on Medium.

For 1920x1080, Medium also has a full min/max: average 155, minimum 132, maximum 179 FPS. Low, High, and Ultra have no min/max values, with averages of 171, 137, and 111 FPS respectively. The 1080p results are the highest in the dataset, with all settings producing averages above 100 FPS. The lowest recorded minimum at any resolution is 50 FPS at 4K Medium, and the highest recorded maximum is 179 FPS at 1080p Medium.

The data shows a consistent pattern: the only setting with full min/max data is Medium, and the spread between minimum and maximum is around 20 to 47 FPS. At 4K Medium, the spread is 17 FPS (50 to 67), at 1440p Medium it is 31 FPS (88 to 119), and at 1080p Medium it is 47 FPS (132 to 179). The larger spread at lower resolutions indicates the CPU is delivering more variable frame times when the GPU is less stressed.

How This Combo Ranks

The AMD Ryzen 5 7600 with Intel Arc B390 has a combo rank of 3289 out of 3711 tested combinations in the Roblox database. This places it in the lower 11% of all tested PC configurations for this game. The ranking is driven by the GPU, since the Arc B390 is a low-end part. The CPU alone, with a percentile of 78 among all CPUs, is a strong performer. The combination ranks low because Roblox at higher resolutions is GPU-limited, and the Arc B390 is weak relative to other GPUs in the database.

The rank of 3289 out of 3711 means there are 422 tested combos that perform worse than this one in Roblox. The bottom of the ranking is dominated by old integrated GPUs and low-end parts. This combination sits just above those, but it is far from the top performers. The data indicates that the CPU is not holding the system back, but the GPU is, which is why the combo rank is low.

The Verdict

Yes, this PC can run Roblox, but the playable settings vary heavily with resolution. At 1920x1080, all four settings (Low, Medium, High, Ultra) are playable, with the best being Ultra at 111 FPS. At 2560x1440, all four settings are also playable, with Ultra at 74 FPS as the best. At 3840x2160, only Low is playable, with 64 FPS. Medium at 4K falls just short at 59 FPS, and High is at 52 FPS.

The verdict is clear: the system is a solid 1080p and 1440p machine for Roblox, capable of running the game at maximum settings with a comfortable margin above 60 FPS. At 4K, the user must accept Low settings, which still delivers a playable average but with a smaller margin. The GPU is the limiting factor at 4K, and the CPU is not the bottleneck at any resolution. For a 1080p or 1440p display, this combination handles Roblox very well. For a 4K display, the user will have to stay on Low settings or lower the render scale to stay above 60 FPS.