Roblox

Settings Recommendations

The measured frame rates for Roblox with this AMD Ryzen 7 5700 and AMD Radeon RX 580 combination show a clear hierarchy across the four available presets. At 1920x1080, the Low preset delivers the highest average frame rate at 163.2 FPS, followed by Medium at 148.9 FPS, High at 129.5 FPS, and Ultra at 104.5 FPS. The data indicates that the step from Low to Medium costs roughly 14 FPS, while the jump from Medium to High costs another 19 FPS, and High to Ultra costs 25 FPS. This progressive decline suggests that each quality tier imposes a measurable rendering cost.

For the best experience per the measured rows, the Medium preset at 1080p represents the most balanced option. It maintains a 148.9 FPS average, which is only 14.3 FPS below the Low preset's peak, while providing substantially better visual fidelity than Low. The High preset at 1080p still delivers 129.5 FPS, which remains smooth, but the additional visual gains over Medium come at a 19 FPS penalty. Ultra at 1080p drops to 104.5 FPS, which is playable but represents a 44% reduction from the Low preset's output.

At 2560x1440, the same pattern holds. Low produces 108.8 FPS, Medium 99 FPS, High 87.1 FPS, and Ultra 74.5 FPS. The Medium preset again appears to be the sweet spot, offering a 99 FPS average while keeping quality above the bare minimum. At 3840x2160, the situation shifts; Low yields 60.7 FPS, Medium 57.1 FPS, High 52.2 FPS, and Ultra 40.3 FPS. Here, Medium remains the recommended choice because it stays above 57 FPS, whereas High dips to 52.2 FPS and Ultra falls below the 60 FPS threshold entirely. Across all resolutions, Medium provides the most consistent balance of frame rate and visual quality.

CPU Role

The AMD Ryzen 7 5700 is a Zen 3 architecture processor built on a 7 nm process at TSMC, with 8 cores and 16 threads. Its base clock is 3.70 GHz, boosting to 4.60 GHz, and it carries 16 MB of L3 cache alongside 512 KB of L2 cache per core. The processor's 3DMark scores reveal a strong multithreaded capability: 6,628 in the 16-thread test and 6,617 at max threads, while the single-thread score is 901. Cinebench R23 results show 20,655 in multicore and 2,916 in single-core.

In Roblox, the CPU's role is primarily to maintain frame pacing and handle game logic. The benchmark results indicate that this processor is not the limiting factor at lower resolutions. At 1080p Low, the system reaches 163.2 FPS, and even at Ultra it manages 104.5 FPS. The 3DMark 8-thread score of 5,585 suggests that the eight cores are well-utilized for multithreaded workloads, which aligns with Roblox's ability to spread tasks across available threads. The processor sits at the 84th percentile among all CPUs, with an average benchmark score of 27,220. Its nearest rival, the Intel Core i9-9900K, scores 27,043, a delta of 0.7%, meaning the Ryzen 7 5700 is effectively on par with that older flagship.

The data shows that as resolution increases, the CPU's influence diminishes relative to the GPU. At 4K, the frame rates drop to a range of 40.3 to 60.7 FPS depending on settings, which is far below the 1080p figures. This pattern indicates that the CPU can push well over 100 FPS in Roblox, but the GPU becomes the bottleneck at higher resolutions. The passmark multithread score of 24,303 and integer math score of 90,091 further confirm that the processor has ample headroom for this title's computational demands.

GPU Role

The AMD Radeon RX 580 is built on the Polaris 20 chip using GCN 4.0 architecture on a 14 nm process at GlobalFoundries. It features 2,304 shading units, 144 texture mapping units, and 32 raster operations pipelines. The GPU's base clock is 1257 MHz with a boost clock of 1340 MHz, and its 8 GB of GDDR5 memory runs at 2000 MHz with an 8 Gbps effective data rate across a 256-bit bus, yielding 256.0 GB/s of bandwidth. The card's compute capability is rated at 6.175 TFLOPS for both FP32 and FP16.

In Roblox, the RX 580's performance scales predictably with resolution. At 1080p, the GPU can deliver between 104.5 and 163.2 FPS depending on the preset, which indicates it is well-suited for high-refresh-rate gaming at this resolution. The 3DMark Steel Nomad DX12 score of 1,005 and Passmark G3D score of 8,813 place the card at the 53rd percentile among all GPUs. Its average benchmark score is 13,559, with the NVIDIA GeForce GTX 570 at 13,564 (0% delta) and GTX 950 at 13,549 (0.1% delta) as closest rivals.

The GPU's memory configuration plays a significant role at 4K. With 8 GB of VRAM, the card has enough capacity for Roblox's textures at 3840x2160, but the 256.0 GB/s bandwidth becomes a limiting factor. At 4K Ultra, the frame rate drops to 40.3 FPS, which is a 75% reduction from the 1080p Ultra figure of 104.5 FPS. This steep decline highlights that the RX 580's rendering throughput, not its VRAM capacity, is the primary constraint at higher resolutions. The pixel rate of 42.88 GPixel/s and texture rate of 193.0 GTexel/s provide the theoretical underpinning for these observed results.

FAQ

Q: What is the highest average frame rate achievable with this configuration?

A: The highest measured average is 163.2 FPS at 1920x1080 with the Low preset. The Low preset at 2560x1440 yields 108.8 FPS, and at 3840x2160 it produces 60.7 FPS.

Q: How does the Ultra preset compare to Low across resolutions?

A: At 1080p, Ultra delivers 104.5 FPS versus Low's 163.2 FPS, a difference of 58.7 FPS. At 1440p, Ultra produces 74.5 FPS compared to Low's 108.8 FPS, a gap of 34.3 FPS. At 4K, Ultra drops to 40.3 FPS while Low maintains 60.7 FPS, a 20.4 FPS difference.

Q: Is the CPU or GPU more likely to bottleneck at 1080p?

A: The data suggests the CPU is not the bottleneck at 1080p, as the system reaches 163.2 FPS on Low. The 3DMark single-thread score of 901 and Cinebench R23 single-core score of 2,916 indicate strong per-core performance. The GPU becomes the limiting factor as resolution increases.

Q: What is the performance delta between the Ryzen 7 5700 and its closest rival?

A: The Ryzen 7 5700's average benchmark score is 27,220. The Intel Core i9-9900K scores 27,043, a delta of 0.7%, meaning the Ryzen is slightly ahead. The Intel Core i7-12700H scores 27,006, a delta of 0.8%.

Q: How does the RX 580 compare to its nearest GPU rivals?

A: The RX 580 has an average benchmark score of 13,559. The NVIDIA GeForce GTX 570 scores 13,564, a delta of 0%, making them statistically identical. The GTX 950 scores 13,549, a delta of 0.1%, with the RX 580 marginally ahead.

Q: What frame rate can be expected at 4K with Medium settings?

A: The measured average at 3840x2160 with Medium settings is 57.1 FPS. This is higher than High's 52.2 FPS and Ultra's 40.3 FPS, but lower than Low's 60.7 FPS.

Resolution Scaling

The measured FPS data across the three resolutions reveals a consistent scaling pattern for each settings preset. At Low settings, the frame rate drops from 163.2 FPS at 1080p to 108.8 FPS at 1440p, a reduction of 54.4 FPS or 33.3%. Moving from 1440p to 4K at Low, the frame rate falls from 108.8 FPS to 60.7 FPS, a drop of 48.1 FPS or 44.2%. The cumulative effect from 1080p to 4K at Low is a 102.5 FPS reduction, representing a 62.8% decrease.

At Medium settings, the scaling is similar. From 1080p to 1440p, the frame rate drops from 148.9 FPS to 99 FPS, a reduction of 49.9 FPS. From 1440p to 4K, it falls from 99 FPS to 57.1 FPS, a drop of 41.9 FPS. The total decline from 1080p to 4K is 91.8 FPS, or 61.7%. The High preset shows 129.5 FPS at 1080p, 87.1 FPS at 1440p, and 52.2 FPS at 4K, with reductions of 42.4 FPS and 34.9 FPS between successive resolution steps.

The Ultra preset exhibits the steepest absolute scaling. At 1080p it delivers 104.5 FPS, dropping to 74.5 FPS at 1440p (a 30 FPS reduction) and then to 40.3 FPS at 4K (a 34.2 FPS reduction). The total drop from 1080p to 4K at Ultra is 64.2 FPS, or 61.4%. This consistent 60-63% reduction across all presets indicates that the resolution scaling is primarily GPU-bound. The RX 580's rendering throughput, measured at 6.175 TFLOPS, scales with the pixel count, and the data reflects this linear relationship. The CPU's performance, which can sustain over 160 FPS at 1080p, does not impose a constraint as resolution increases.

Measured FPS Breakdown

The complete measured dataset spans three resolutions and four settings presets, providing 12 distinct data points. At 1920x1080, the Low preset achieves 163.2 FPS average, Medium reaches 148.9 FPS, High yields 129.5 FPS, and Ultra produces 104.5 FPS. The spread from Low to Ultra at this resolution is 58.7 FPS, with each successive preset reducing performance by approximately 14-25 FPS.

At 2560x1440, the figures are 108.8 FPS for Low, 99 FPS for Medium, 87.1 FPS for High, and 74.5 FPS for Ultra. The total spread here is 34.3 FPS, which is narrower than at 1080p, indicating that the GPU begins to dominate the performance equation. The differences between presets range from 9.8 FPS (Low to Medium) to 12.6 FPS (High to Ultra).

At 3840x2160, the measured values are 60.7 FPS for Low, 57.1 FPS for Medium, 52.2 FPS for High, and 40.3 FPS for Ultra. The spread from Low to Ultra is 20.4 FPS, the smallest absolute gap of any resolution. This compression of performance differences at 4K suggests that the GPU is saturated, and even reducing settings from Ultra to Low only yields a 20.4 FPS improvement. The combination ranks 1,692 out of 1,800 in Roblox, indicating that this hardware pairing is positioned near the lower end of the performance spectrum for this game, despite achieving playable frame rates at most settings.