Roblox

Roblox is a notoriously CPU-bound sandbox title, and the data for the Intel Core i7-13700K paired with the NVIDIA GeForce RTX 4070 confirms this dynamic. The benchmark results show a system that delivers exceptionally high frame rates across all tested resolutions, but the scaling pattern reveals where the performance ceiling lies. This combination ranks 866th out of 3711 tested combos in this game, placing it in a strong position, though the frame rate deltas between settings and resolutions indicate that the processor is doing the heavy lifting in most scenarios.

Resolution Scaling

The frame rate drop from 1080p to 4K is moderate, but the pattern is telling. At 1080p with Ultra settings, the combo produces 328 FPS on average. Moving to 1440p Ultra drops that to 219 FPS, a 33% reduction. Stepping up to 4K Ultra yields 124 FPS, which is a further 43% cut from the 1440p figure. This steep decline as resolution increases points to the GPU becoming the primary limiting factor at 4K, while the CPU maintains its headroom.

At Low settings, the scaling is even more dramatic because the CPU is the dominant constraint. The 1080p Low result is 503 FPS, while 1440p Low is 335 FPS and 4K Low is 190 FPS. The 1080p to 1440p gap here is 33%, but the 1440p to 4K gap is 43%, showing that even at the lowest graphical load, the RTX 4070 starts to feel the pixel count pressure at 4K. However, the fact that 1080p Low exceeds 500 FPS indicates the i7-13700K has substantial single-thread headroom that is being capped by the engine's frame pacing or the GPU's ability to feed frames at that rate.

The Medium settings data includes minimum and maximum frame rates, which provide additional insight. At 1080p Medium, the average is 457 FPS with a minimum of 389 FPS and a maximum of 526 FPS. At 1440p Medium, the average is 305 FPS with a 259 FPS minimum and 351 FPS maximum. The 4K Medium row shows a 173 FPS average, with a 147 FPS minimum and 199 FPS maximum. The frame time consistency degrades as resolution climbs, which is expected when the GPU workload increases.

What this scaling suggests is that for competitive play at 1080p or 1440p, the system is entirely overprovisioned. The 4K Ultra result of 124 FPS is still playable on a high-refresh 4K panel, but it is clearly the point where the RTX 4070's 12 GB memory buffer and 192-bit bus become the bottleneck rather than the CPU.

GPU Role

The NVIDIA GeForce RTX 4070 is built on the Ada Lovelace architecture with a 5 nm process from TSMC. It carries 12 GB of GDDR6X memory on a 192-bit bus, yielding 504.2 GB/s of bandwidth. The base clock is 1920 MHz with a boost clock of 2475 MHz, and the memory runs at an effective 21 Gbps. This configuration delivers 29.15 TFLOPS of FP32 compute, which is more than sufficient for Roblox's relatively simple geometry and shader work.

The GPU's role in these results is most visible at 4K. At 4K Ultra, the frame rate falls to 124 FPS, which is only 38% of the 1080p Ultra result. This is a classic sign of a GPU that is being saturated by pixel fill and memory bandwidth demands. The 504.2 GB/s bandwidth is adequate for most titles at 4K, but Roblox's draw calls and texture streaming at Ultra settings can push memory pressure, especially in large user-generated worlds.

The 12 GB VRAM capacity is not a limiting factor at these tested settings, as no memory allocation errors or stalls are evident in the data. However, the 192-bit bus width means that the memory subsystem works harder at higher resolutions. The Low settings results show the GPU's raw rasterization strength: 190 FPS at 4K Low demonstrates that the AD104 chip can push pixels quickly when the shader complexity is reduced. The 64 ROPs and 184 texture mapping units are well-balanced for this workload, and the 455.4 GTexel/s texture rate keeps texture-heavy scenes moving smoothly.

The RTX 4070's nearest rivals in the database include the NVIDIA RTX 4080 Mobile with an average score of 38135 and a delta of -1.3%, meaning the desktop RTX 4070 trails the mobile 4080 slightly in aggregate benchmarks. The AMD Radeon RX Vega 56 is 0.4% ahead, and the NVIDIA Tesla P4 is 0.1% ahead. These deltas are negligible and do not translate into meaningful differences in Roblox, where the CPU governs most of the outcome.

CPU Role

The Intel Core i7-13700K is a 16-core, 24-thread processor built on Raptor Lake architecture with a 10 nm process. It has a base clock of 3.40 GHz and a boost clock of 5.40 GHz, with 30 MB of shared L3 cache and 2 MB of L2 per core. The single-thread performance is exceptional, as evidenced by its 3DMark single-thread score of 1136 and Cinebench R23 single-core score of 2116. This is the key attribute for Roblox, which is largely single-thread bound in its rendering pipeline.

The CPU's benchmark scores show a strong multi-threaded capability as well. The Cinebench R23 multicore score of 30745 and Geekbench multicore score of 19429 indicate that the processor can handle background tasks and physics simulation without stealing frames from the main thread. The PassMark multithread score of 45887 further confirms this, but the single-thread scores are what matter most for Roblox's frame generation.

The data shows that at 1080p Low, the system hits 503 FPS, which is likely near the engine's internal frame rate cap or the point where the CPU's single-thread performance reaches its limit. The i7-13700K's boost clock of 5.40 GHz gives it a significant advantage over processors with lower clocks. The L3 cache of 30 MB helps keep frequently accessed game data close to the cores, reducing memory latency that could otherwise cause micro-stutters.

The CPU's nearest rivals in the database include the AMD Ryzen 9 5900 with an average score of 46971 and a delta of -0.2%, meaning the i7-13700K is essentially tied with it. The AMD Ryzen AI 9 HX PRO 375 is -0.3% behind, and the AMD Ryzen 9 7845HX and Intel Xeon w3-2535 are both 0.5% ahead. These differences are within noise, but the i7-13700K's high boost clock gives it an edge in lightly threaded workloads like Roblox.

How This Combo Ranks

The combo ranks 866th out of 3711 tested combinations, placing it in the top 23% of all systems. This is a strong showing, but it is not a top-tier ranking because Roblox is not particularly demanding on the GPU. The RTX 4070 is overkill for this game, and the ranking reflects that the CPU is doing most of the work. A system with a weaker GPU and an equally strong CPU would likely rank similarly, which is why the combo's position is more about the CPU than the GPU.

The ranking is also influenced by the fact that many tested combos in the database include processors with higher single-thread scores or more aggressive boost behavior. The i7-13700K's 89th percentile ranking among all CPUs indicates it is well above average, but the 81st percentile for the RTX 4070 among all GPUs shows that the GPU is less exceptional relative to its peers. This mismatch is why the combo does not crack the top 500.

For a builder looking at this data, the takeaway is that this combination is balanced for 1440p gaming at high refresh rates, but it is not optimized for Roblox specifically. The CPU is the star here, and the GPU is along for the ride. If the goal is to maximize Roblox performance without wasting money on a GPU, this combo shows that even a mid-range GPU would achieve similar frame rates at 1080p.

Measured FPS Breakdown

At 1920x1080, the results are as follows: Low settings produce an average of 503 FPS, Medium produces 457 FPS with a range of 389 to 526 FPS, High produces 404 FPS, and Ultra produces 328 FPS. The delta between Low and Ultra is 35%, which is significant but not as large as the resolution scaling. This indicates that the graphical settings have a moderate impact on the CPU load, with Ultra adding more draw calls and shadow calculations that eat into the single-thread budget.

At 2560x1440, the frame rates are: Low at 335 FPS, Medium at 305 FPS with a range of 259 to 351 FPS, High at 270 FPS, and Ultra at 219 FPS. The drop from 1080p to 1440p is consistent across settings, ranging from 33% at Low to 33% at Ultra. This uniformity suggests that the GPU is handling the resolution increase proportionally, and the CPU is not yet a limiting factor at 1440p.

At 3840x2160, the results are: Low at 190 FPS, Medium at 173 FPS with a range of 147 to 199 FPS, High at 153 FPS, and Ultra at 124 FPS. The 4K Ultra result is the only one that dips below 150 FPS, and it is the point where the RTX 4070's memory bandwidth becomes a constraint. The Medium settings at 4K show a minimum of 147 FPS, which means that even in demanding scenes, the system stays above the 144 Hz threshold that many high-refresh 4K monitors target.

Settings Recommendations

For a 1080p or 1440p high-refresh monitor, the Ultra preset is the best choice. At 1440p Ultra, the system produces 219 FPS, which exceeds the refresh rate of most 144 Hz and 165 Hz monitors. The visual quality improvements from Ultra settings are worth the 26% frame rate penalty compared to High settings, because the absolute frame rates are still so high that any monitor will be saturated.

For a 4K display, the Medium preset is the sweet spot. The 4K Medium result of 173 FPS with a 147 FPS minimum is the best balance of visual fidelity and frame rate consistency. The Ultra preset at 4K drops to 124 FPS, which is still playable but leaves less headroom for frame time spikes in busy Roblox servers. The High preset at 4K produces 153 FPS, which is also acceptable, but Medium offers a 13% higher average with minimal visual difference in Roblox's blocky aesthetic.

If the goal is maximum competitive frame rates, the Low preset at 1440p yields 335 FPS, which is 53% higher than Ultra at the same resolution. However, the visual trade-off is substantial, and Roblox's user-generated content often has text that needs to be readable. The Low preset also reduces draw distance, which can be a disadvantage in games where spotting other players matters.

The 1080p Low result of 503 FPS is the highest measured output, and it demonstrates that the system is capable of feeding a 500 Hz monitor if one exists. However, for most users, the Medium preset at 1440p (305 FPS average, 259 FPS minimum) is the recommended balance, as it provides the best combination of visual clarity, frame rate headroom, and consistency. The minimum FPS of 259 at 1440p Medium means that even the most chaotic scenes in Roblox will not drop below the refresh rate of a 240 Hz monitor.