Roblox

The AMD Ryzen 5 7400F paired with the NVIDIA GeForce RTX 4080 delivers exceptional performance in Roblox, with frame rates that scale predictably across resolutions and settings. The data shows a system capable of maxing out high-refresh-rate displays even at 4K, while the CPU becomes a more significant factor as resolution drops.

Resolution Scaling

The measured FPS data reveals a clear and consistent scaling pattern as resolution increases. At 1080p with Ultra settings, the combo produces an average of 420 FPS. Moving to 1440p Ultra, the average drops to 280 FPS, representing a 33% decrease. At 4K Ultra, the average falls further to 158 FPS, which is a 62% reduction from the 1080p figure. This scaling behavior indicates that the rendering load grows substantially with pixel count, which is typical for a GPU-bound scenario at higher resolutions.

However, the scaling is not purely linear. At Low settings, the frame rate drops from 643 FPS at 1080p to 429 FPS at 1440p (a 33% reduction) and then to 243 FPS at 4K (a 43% reduction from 1440p). The percentage drop between 1440p and 4K is larger than between 1080p and 1440p, suggesting that the RTX 4080's rendering pipeline becomes progressively more stressed as pixel throughput demands increase.

The gap between Low and Ultra settings widens with resolution. At 1080p, the difference between Low (643 FPS) and Ultra (420 FPS) is 223 FPS. At 1440p, the gap narrows to 149 FPS (429 vs 280). At 4K, the difference shrinks to 85 FPS (243 vs 158). This pattern indicates that at lower resolutions, the CPU has more headroom to push higher frame rates, while at 4K the GPU becomes the limiting factor, compressing the range between settings.

For Medium settings, the data includes min and max frame rates. At 1080p Medium, the average is 585 FPS with a minimum of 497 and a maximum of 673. At 1440p Medium, the average is 390 FPS with a range of 332 to 449. At 4K Medium, the average is 221 FPS with a range of 188 to 254. The consistency of frame delivery, as indicated by the min-to-max spread, remains tight across resolutions, suggesting stable performance without major stutters.

The frame rate scaling from 1080p to 4K at High settings shows a drop from 517 FPS to 195 FPS, a 62% reduction. This is nearly identical to the Ultra setting percentage drop, indicating that the GPU's workload scaling is consistent regardless of the specific quality preset. The data suggests that this combination is GPU-limited at 4K, where even the powerful RTX 4080 cannot maintain the triple-digit frame rates seen at lower resolutions.

GPU Role

The NVIDIA GeForce RTX 4080 is the primary driver of performance in Roblox, particularly at higher resolutions. The GPU features 16 GB of GDDR6X memory on a 256-bit bus, delivering 716.8 GB/s of bandwidth. This memory configuration is more than sufficient for Roblox's asset streaming and texture demands, which is reflected in the high frame rates even at 4K Ultra settings.

The GPU's clock speeds are substantial, with a base clock of 2205 MHz and a boost clock of 2505 MHz. The memory operates at 1400 MHz with an effective data rate of 22.4 Gbps. These clocks, combined with the 9728 shading units, allow the RTX 4080 to process the game's geometry and lighting efficiently. The 112 ROPs and 304 TMUs contribute to the pixel and texture fill rates of 280.6 GPixel/s and 761.5 GTexel/s, respectively.

The RTX 4080's architecture, Ada Lovelace, is built on a 5 nm process at TSMC, with 45,900 million transistors on a 379 mm² die. This modern architecture supports DirectX 12 Ultimate, which is relevant for Roblox's evolving rendering features. The GPU's FP32 performance of 48.74 TFLOPS provides ample compute headroom for the game's physics and scripting workloads.

In the context of Roblox, the RTX 4080's performance is exceptional. The GPU achieves an average benchmark score of 54247, placing it in the 86th percentile of all GPUs. Its nearest rival is the RTX 4080 SUPER, which scores 54209, a delta of just 0.1%. This indicates that the RTX 4080 is nearly identical in performance to its SUPER variant in synthetic benchmarks, though the measured FPS in Roblox confirms strong real-world results.

The GPU's performance at 4K Ultra (158 FPS) suggests that it is not fully saturated by Roblox's graphics load, as the frame rate remains above 144 Hz. At 1080p, the GPU is clearly not the bottleneck, as frame rates exceed 600 FPS on Low settings. The data indicates that the RTX 4080 has significant headroom in this game, making it suitable for high-refresh-rate monitors at any resolution.

CPU Role

The AMD Ryzen 5 7400F provides the processing foundation for this combo, and its role becomes more apparent at lower resolutions. The CPU features 6 cores and 12 threads, based on the Zen 4 architecture (codenamed Raphael) on a 5 nm process. Its base clock is 3.70 GHz with a boost clock of 4.70 GHz, and it has a 65 W TDP. The processor includes 32 MB of shared L3 cache, which is beneficial for gaming workloads.

In synthetic benchmarks, the Ryzen 5 7400F scores 21765 in Cinebench R23 multi-core and 3072 in single-core. These scores place it in the 83rd percentile of all CPUs, with an average benchmark score of 32750. Its nearest rival is the Intel Core i5-14600T, which scores 32707, a delta of 0.1%. This indicates the Ryzen 5 7400F is competitively positioned against comparable desktop and mobile processors.

In Roblox, the CPU's impact is most visible at 1080p, where frame rates reach 643 FPS on Low settings. This high frame rate suggests the CPU can feed the GPU with enough draw calls and game logic updates to maintain such performance. However, the gap between Low and Ultra settings at 1080p (223 FPS) indicates that the CPU is not the sole limiting factor, as the GPU still has to render the increased visual complexity.

The Ryzen 5 7400F supports DDR5 memory with a dual-channel bus, providing 83.2 GB/s of bandwidth. This memory bandwidth is sufficient for Roblox's data streaming needs. The CPU also supports PCIe Gen 5 with 24 lanes, though the GPU uses PCIe 4.0 x16, which does not bottleneck performance in this game.

At 4K, the CPU's role diminishes as the GPU becomes the bottleneck. The frame rate difference between Low and Ultra at 4K is only 85 FPS, indicating that the CPU has less influence on the final output. The data suggests that the Ryzen 5 7400F is more than adequate for Roblox, providing enough single-threaded performance for the game's main logic thread while the GPU handles the bulk of the rendering work.

How This Combo Ranks

This specific combination of the AMD Ryzen 5 7400F and NVIDIA GeForce RTX 4080 ranks 250th out of 3711 tested combos in Roblox. This places it in the top 6.7% of all combinations tested, indicating that it is a high-performing setup for this game. The rank reflects the synergy between the CPU's strong single-threaded performance and the GPU's massive rendering power.

The combo rank suggests that while there are 249 other combinations that perform better, the vast majority of tested systems (3461 combos) deliver lower frame rates in Roblox. This positioning is consistent with the measured FPS data, which shows the combo exceeding 150 FPS at 4K Ultra and 400 FPS at 1080p Ultra. The rank also implies that the RTX 4080's 86th percentile GPU performance and the Ryzen 5 7400F's 83rd percentile CPU performance combine effectively for this game.

The fact that this combo ranks 250th indicates that Roblox is not particularly demanding on the CPU, allowing the RTX 4080 to shine. Combinations with even faster CPUs might rank higher, but the marginal gains would be limited given the GPU's dominance at higher resolutions. The rank also suggests that the RTX 4080 is not overkill for Roblox, as it still provides meaningful performance improvements over lower-tier GPUs.

Measured FPS Breakdown

At 1920x1080 resolution, the combo delivers its highest frame rates. Low settings produce an average of 643 FPS, which is the maximum recorded across all configurations. Medium settings average 585 FPS, with a range of 497 to 673 FPS. High settings average 517 FPS, and Ultra settings average 420 FPS. The 1080p results demonstrate that the combo can easily drive a 360 Hz monitor at High settings, and even at Ultra, the frame rate exceeds 400 FPS.

At 2560x1440 resolution, performance remains exceptionally high. Low settings average 429 FPS, Medium settings average 390 FPS (with a range of 332 to 449), High settings average 345 FPS, and Ultra settings average 280 FPS. These numbers indicate that 1440p is still a sweet spot for high-refresh-rate gaming, with Ultra settings remaining above 240 FPS.

At 3840x2160 resolution, the combo still delivers excellent performance. Low settings average 243 FPS, Medium settings average 221 FPS (with a range of 188 to 254), High settings average 195 FPS, and Ultra settings average 158 FPS. The 4K results show that even at the most demanding settings, the combo maintains frame rates above 144 Hz, which is suitable for high-refresh-rate 4K monitors.

The data across all resolutions shows a consistent hierarchy: Low > Medium > High > Ultra in terms of frame rate. The Medium settings provide the only complete min/max data, showing that frame delivery is stable across all resolutions, with the spread between min and max being roughly 30-35% of the average. This indicates smooth performance without significant frame time spikes.

FAQ

Q: What is the maximum average FPS this combo achieves in Roblox?

A: The highest average frame rate recorded is 643 FPS at 1920x1080 resolution with Low settings.

Q: How does the combo perform at 4K Ultra settings?

A: At 3840x2160 with Ultra settings, the combo delivers an average of 158 FPS, which is above the 144 Hz threshold for high-refresh-rate 4K displays.

Q: Is the CPU or GPU more limiting at 1080p?

A: At 1080p, the frame rate difference between Low (643 FPS) and Ultra (420 FPS) is 223 FPS, indicating that the GPU still has a significant impact on performance, though the CPU's ability to feed the GPU at high frame rates is evident.

Q: How does the RTX 4080 compare to its nearest rival in benchmark scores?

A: The RTX 4080 scores 54247 on average, while the RTX 4080 SUPER scores 54209, a delta of just 0.1%. The AMD Radeon Pro W5700X scores 54828, which is 1.1% higher than the RTX 4080.

Q: What is the combo's rank among all tested configurations?

A: The combo ranks 250th out of 3711 tested combinations in Roblox, placing it in the top 6.7% of all tested systems.

Q: Does the combo maintain stable frame delivery at Medium settings?

A: Yes, at Medium settings the data shows a minimum of 497 FPS and a maximum of 673 FPS at 1080p, 332 to 449 FPS at 1440p, and 188 to 254 FPS at 4K, indicating consistent performance without major stutters.