Roblox

The Intel Core i5-13400F paired with the NVIDIA GeForce GTX 1660 SUPER delivers a surprisingly robust experience in Roblox, with data showing average frame rates that remain playable even at 4K Ultra settings. The measured results reveal a system where the GPU becomes the primary scaling factor as resolution increases, while the CPU’s substantial multi-threaded headroom keeps minimum performance in check. This analysis breaks down how each component contributes to the final frame rates across the tested spectrum of settings and resolutions.

Resolution Scaling — how FPS drops from 1080p to 4K and what it says about the limiting component

The data shows a clear and predictable pattern: as resolution climbs from 1920x1080 to 3840x2160, average frame rates drop significantly across all settings. At Low settings, the system delivers 236.8 FPS at 1080p, which falls to 159.3 FPS at 1440p (a 32.7% reduction), and then to 88.1 FPS at 4K (a further 44.7% reduction from 1440p). This steep decline at higher resolutions indicates the GTX 1660 SUPER’s rendering pipeline becomes the limiting factor, as the sheer pixel count overwhelms its 5.027 TFLOPS of FP32 compute power.

At Ultra settings, the scaling is even more pronounced. The frame rate drops from 153.3 FPS at 1080p to 102.8 FPS at 1440p, then plummets to 56.4 FPS at 4K. The 4K Ultra result is particularly telling—it sits 63.2% below the 1080p Ultra figure, showing that the GPU’s 48 ROPs and 157.1 GTexel/s texture rate are simply not sufficient for the highest quality settings at 4K. Meanwhile, the CPU’s role appears secondary, as the Intel Core i5-13400F’s 20 MB of shared L3 cache and 10 cores provide ample headroom for Roblox’s typically lightweight physics and logic threads.

The gap between Low and Ultra settings widens as resolution increases. At 1080p, the difference is 83.5 FPS (236.8 vs 153.3), but at 4K the gap grows to 31.7 FPS (88.1 vs 56.4). This pattern suggests that while the CPU can easily feed the GPU at lower resolutions, the GPU’s memory bandwidth of 336.0 GB/s becomes a bottleneck at 4K, particularly with the higher texture loads demanded by Ultra settings. The 6 GB GDDR6 buffer also plays a role, as Ultra presets likely push closer to its capacity.

GPU Role — VRAM, clocks, and how they relate to this game's results

The GTX 1660 SUPER’s specifications directly explain the measured frame rates. With a boost clock of 1785 MHz and 1408 shading units, the card produces 5.027 TFLOPS of FP32 performance, which is adequate for Roblox’s blocky geometry but struggles when shader complexity increases. The 6 GB of GDDR6 memory on a 192-bit bus provides 336.0 GB/s of bandwidth—a figure that appears sufficient for 1080p and 1440p, but the 4K Ultra result of 56.4 FPS suggests the memory subsystem is nearing its limits.

The card’s 48 ROPs handle pixel output at a theoretical rate of 85.68 GPixel/s, which translates to solid fill rates at lower resolutions but becomes strained at 4K. The 88 TMUs deliver 157.1 GTexel/s, and this texture throughput is likely why Medium settings at 4K (79.7 FPS) hold up better than Ultra (56.4 FPS). The 12 nm Turing architecture, while older, still supports DirectX 12 (12_1), which Roblox can leverage for draw call batching.

Interestingly, the GPU’s percentile rank of 55 among all GPUs and its average benchmark score of 14286 place it in mid-range territory, yet its nearest rivals—the AMD Radeon RX Vega 11 and Intel Iris Xe MAX Graphics—score nearly identically (14314 and 14315, respectively, with deltaPct values of -0.2%). This clustering suggests the GTX 1660 SUPER is well-matched to Roblox’s requirements, as the game’s visual style does not demand extreme rasterization power. The card’s 229 mm length and dual-slot design also indicate a compact cooling solution that maintains boost clocks under sustained load.

FAQ

Q: Why does the FPS drop so much from 1080p to 4K at Ultra settings?

A: The Ultra preset at 4K produces only 56.4 FPS compared to 153.3 FPS at 1080p, a 63.2% decrease. This indicates the GTX 1660 SUPER’s 48 ROPs and 336.0 GB/s memory bandwidth are overwhelmed by the increased pixel and texture workload, making the GPU the clear bottleneck at this resolution.

Q: Is the Intel Core i5-13400F holding back the GTX 1660 SUPER in Roblox?

A: The data does not suggest a CPU bottleneck. At 1080p Low, the system achieves 236.8 FPS, and even at 4K Ultra it maintains 56.4 FPS. The CPU’s 10 cores and 20 MB L3 cache provide sufficient headroom, as evidenced by its 82nd percentile ranking among all CPUs and 3DMark max-thread score of 7307.

Q: What is the best resolution for a 60 FPS experience on this combo?

A: For a stable 60 FPS target, 4K Medium (79.7 FPS) and 4K High (70.9 FPS) both qualify. If higher frame rates are preferred, 1440p Ultra delivers 102.8 FPS, while 1080p Ultra reaches 153.3 FPS, showing the system scales well down from 4K.

Q: How does the GTX 1660 SUPER compare to its closest GPU rivals in raw benchmarks?

A: The GPU scores 14286 in average benchmarks, which is within 0.7% of the AMD Radeon RX 5500 XT (14389) and within 0.2% of the AMD Radeon RX Vega 11 (14314). The Intel Iris Xe MAX Graphics (14315) is also nearly identical, showing these cards perform within a tight margin.

Q: Does the 6 GB VRAM capacity limit performance at any tested setting?

A: The data does not directly measure VRAM usage, but the steep drop from 4K Medium (79.7 FPS) to 4K Ultra (56.4 FPS) suggests that higher texture quality may be exceeding the comfortable capacity of the 6 GB GDDR6 buffer, forcing additional memory traffic that strains the 336.0 GB/s bandwidth.

Q: Why does Low settings at 1080p achieve 236.8 FPS but Ultra only reaches 153.3 FPS?

A: The 83.5 FPS gap (35.3%) comes from the increased shader and texture workload of Ultra settings. The GPU’s 1408 shading units must process more complex lighting and effects, while the 88 TMUs handle higher-resolution textures, reducing the overall throughput.

Settings Recommendations

For players prioritizing a smooth 60 FPS baseline at 4K, the Medium preset is the optimal choice, delivering 79.7 FPS with a comfortable margin above the target. High at 4K also works at 70.9 FPS, but Ultra at 56.4 FPS dips below the 60 FPS threshold, making it less desirable for consistent frame pacing. At 1440p, all settings deliver well above 100 FPS, with Medium (144.7 FPS) offering an excellent balance between visual quality and performance, while Ultra (102.8 FPS) still provides a high-refresh-rate experience.

At 1080p, the system is clearly GPU-bound at all quality levels, with Low (236.8 FPS) and Medium (212.6 FPS) both exceeding typical 144 Hz monitor refresh rates. High (188.1 FPS) and Ultra (153.3 FPS) remain highly playable, so the choice hinges on whether the user prefers maximum visual fidelity or maximum frame rate headroom. The data suggests that Medium is the sweet spot across all resolutions—it never drops below 79.7 FPS even at 4K, while providing a noticeable visual improvement over Low. For users with high refresh rate displays at 1080p, Low settings unlock the full potential of the CPU, but the incremental gains from 236.8 to 212.6 FPS between Low and Medium are marginal, making Medium the recommended starting point.

Measured FPS Breakdown

At 1920x1080, the system shows remarkable performance across all settings. Low settings produce 236.8 FPS, Medium achieves 212.6 FPS, High reaches 188.1 FPS, and Ultra delivers 153.3 FPS. These figures indicate that even the most demanding preset at 1080p leaves ample headroom for a 144 Hz monitor, with the gap between Low and Ultra being 83.5 FPS. The scaling from Low to Medium is 24.2 FPS (10.2% reduction), Medium to High is 24.5 FPS (11.5% reduction), and High to Ultra is 34.8 FPS (18.5% reduction), showing that Ultra has a disproportionately high cost.

Moving to 2560x1440, the frame rates remain robust. Low hits 159.3 FPS, Medium reaches 144.7 FPS, High achieves 127.6 FPS, and Ultra drops to 102.8 FPS. The reduction from 1080p to 1440p is consistent across settings—Low drops by 77.5 FPS (32.7%), Medium by 67.9 FPS (31.9%), High by 60.5 FPS (32.2%), and Ultra by 50.5 FPS (32.9%). This uniformity indicates the scaling is driven primarily by pixel count, with the GPU’s fill rate being the limiting factor.

At 3840x2160, the performance falls significantly. Low manages 88.1 FPS, Medium reaches 79.7 FPS, High achieves 70.9 FPS, and Ultra plummets to 56.4 FPS. The 4K to 1440p reductions are steeper: Low drops by 71.2 FPS (44.7%), Medium by 65.0 FPS (44.9%), High by 56.7 FPS (44.4%), and Ultra by 46.4 FPS (45.1%). This consistent ~45% reduction across all settings reinforces that the GPU’s 85.68 GPixel/s pixel rate is the hard limit at 4K.

CPU Role — cores, clocks, and how they relate to this game's results

The Intel Core i5-13400F brings 10 cores and 16 threads, with a base clock of 2.50 GHz and boost clock of 4.60 GHz. This configuration produces strong multi-threaded results: Cinebench R23 multi-core scores 21279, while 3DMark max-thread reaches 7307. The single-thread performance is also solid, with Cinebench R23 single-core at 3004 and 3DMark single-thread at 960. These figures suggest the CPU can easily manage Roblox’s game logic, physics, and network code, even while the GPU is fully saturated.

The CPU’s 20 MB of shared L3 cache and 1.25 MB per-core L2 cache provide low-latency access to frequently used data, which is beneficial for Roblox’s dynamic world generation. The 65 W TDP and 10 nm process node indicate efficient operation, allowing sustained boost clocks without thermal throttling in most chassis. The 3DMark 16-thread score of 7314 is nearly identical to the max-thread score of 7307, showing that the CPU’s 16 threads are fully utilized—a pattern that suggests Roblox can take advantage of multi-threading for server-side simulation or complex scenes.

Compared to its nearest rivals, the i5-13400F’s average benchmark score of 25236 sits within 0.5% of the AMD Ryzen 5 5600X3D (25365) and within 0.1% of the Intel Core i7-13620H (25201). This tight clustering indicates that any of these CPUs would produce similar frame rates in Roblox, as the game is not particularly CPU-intensive. The 82nd percentile ranking among all CPUs further confirms that this processor will not bottleneck the GTX 1660 SUPER at any resolution tested.

How This Combo Ranks

The combination of the Intel Core i5-13400F and NVIDIA GeForce GTX 1660 SUPER ranks 1610th out of 1800 tested combos in Roblox, placing it in the 10.6th percentile of all configurations. This ranking might seem low, but it reflects the fact that Roblox is playable on a wide range of hardware, and many higher-ranked combos feature significantly more powerful GPUs. The data shows that this combo delivers playable frame rates at all tested settings, with the weakest result being 56.4 FPS at 4K Ultra.

The ranking is influenced by the GPU’s mid-tier position—its 55th percentile among all GPUs—rather than any CPU deficiency. The CPU ranks in the 82nd percentile, but the combo’s overall rank is dragged down by the GPU’s limitations at 4K Ultra. In practical terms, this combo outpaces the majority of systems in the database, particularly for users playing at 1080p or 1440p, where it delivers 153.3 FPS or higher at Ultra settings. The rank of 1610 out of 1800 suggests that while there are many faster configurations, this one provides a balanced experience that avoids severe bottlenecks, making it a dependable choice for Roblox’s varied user-generated content.