Roblox

The Roblox benchmark data for the Intel Core i5-14600KF paired with the AMD Radeon RX 6650 XT shows a system that is overwhelmingly CPU-bound at standard resolutions, with the GPU only becoming a meaningful factor at 4K. The combination ranks 1143rd out of 1800 tested combos in this game, placing it in the lower-middle tier of the database, though the actual frame rates are exceptionally high across all tested settings. The i5-14600KF, with its 14 cores and 20 threads, demonstrates massive headroom in this title, while the RX 6650 XT's 8 GB of VRAM and RDNA 2 architecture handle the load with ease until pixel count rises dramatically.

FAQ

Q: What is the highest average FPS recorded for this combo?

A: The highest average FPS recorded is 321.7 at 1920x1080 with Low settings. The same resolution at Ultra settings still delivers 211.7 FPS, which is identical to the 1440p Low result, suggesting a performance ceiling is being hit.

Q: How does the CPU compare to its nearest rival, the Intel Core i5-14600K?

A: The i5-14600KF has an average benchmark score of 49367, which is 0.4% higher than the i5-14600K's 49166 score. This places the KF variant marginally ahead in synthetic tests, though the difference is negligible in real-world gaming.

Q: What is the GPU's percentile ranking among all tested graphics cards?

A: The AMD Radeon RX 6650 XT sits in the 72nd percentile of all GPUs in the database. Its average benchmark score of 29024 is essentially tied with the AMD Radeon RX 6800M, which scores 29011, a delta of 0%.

Q: Does the GPU bottleneck the CPU at 1080p?

A: No. At 1920x1080, frame rates range from 211.7 FPS at Ultra to 321.7 FPS at Low. The gap between Low and Ultra is only 110 FPS, while the CPU's Cinebench R23 multi-core score of 32889 indicates it is far from being stressed by Roblox's workloads.

Q: What is the largest FPS drop across all resolutions?

A: The largest drop occurs between 1440p High (172.4 FPS) and 4K High (94.6 FPS), a reduction of 77.8 FPS. This represents a 45% performance loss, highlighting the GPU's difficulty with the 4K pixel count.

Q: How much VRAM does the GPU have, and is it sufficient?

A: The RX 6650 XT has 8 GB of GDDR6 memory on a 128-bit bus with 280.3 GB/s bandwidth. For Roblox, this is sufficient at all tested settings, as the game does not appear to exceed this capacity based on the consistent frame rates.

GPU Role

The AMD Radeon RX 6650 XT is built on the RDNA 2.0 architecture with the Navi 23 chip, manufactured on TSMC's 7 nm process. It features 2048 shading units, 128 texture mapping units, and 64 raster output units, with 32 ray accelerators. The GPU's base clock is 2055 MHz, with a game clock of 2410 MHz and a boost clock of 2635 MHz. These clocks are critical in Roblox, which relies heavily on raw shader throughput rather than complex geometry.

At 1080p, the GPU's role is largely secondary. The data shows frame rates of 258 FPS at High settings, which is well below the 321.7 FPS at Low. This 63.7 FPS spread indicates that the GPU is not the limiting factor; the CPU is. The RX 6650 XT's FP32 performance of 10.79 TFLOPS is more than adequate for the game's moderate visual demands. However, the gap narrows as resolution increases. At 4K, the GPU's 8 GB of VRAM and 280.3 GB/s bandwidth become more relevant, with the Ultra setting dropping to 81.5 FPS, suggesting the memory bus width of 128-bit is a constraint at extreme pixel counts.

The GPU's Passmark G3D score of 17166 places it in the 72nd percentile, but this is a synthetic metric. In Roblox, the real-world performance is dictated by how well the RDNA 2 architecture handles the game's specific shaders. The results indicate that the GPU can comfortably push past 200 FPS at 1440p Medium, but struggles to maintain high frame rates at 4K Ultra, where the 81.5 FPS result shows a clear performance wall.

Resolution Scaling

The frame rate scaling from 1080p to 4K reveals the shifting bottleneck. At 1920x1080, the average FPS across all settings is roughly 271, with a spread from 211.7 to 321.7. Moving to 2560x1440, the average drops to about 180 FPS, a 33% reduction. At 3840x2160, the average falls to 101 FPS, another 44% drop. This progressive decline is characteristic of a GPU-bound scenario at higher resolutions.

The most telling data point is the comparison between 1080p Low and 1440p Low. The former runs at 321.7 FPS, while the latter runs at 211.7 FPS, an identical score to 1080p Ultra. This suggests that at 1080p Ultra, the system is already hitting a ceiling that is not purely GPU-related. When resolution increases to 1440p, the GPU begins to take over as the primary limiter, as evidenced by the 69.7 FPS drop from Low to Ultra at that resolution.

At 4K, the scaling is severe. The delta between Low (120 FPS) and Ultra (81.5 FPS) is 38.5 FPS, and the High setting at 94.6 FPS is only 13.1 FPS above Ultra. This compresses the settings range, indicating that the GPU's 8 GB VRAM and 128-bit memory interface are saturated. The pixel rate of 168.6 GPixel/s and texture rate of 337.3 GTexel/s are simply not enough to maintain high frame rates at 3840x2160, making the GPU the definitive bottleneck at this resolution.

Measured FPS Breakdown

At 1920x1080, the results are consistently high across all settings. Low settings deliver 321.7 FPS, Medium drops to 292.3 FPS, High settles at 258 FPS, and Ultra rounds out at 211.7 FPS. The step-down from Low to Medium is 29.4 FPS, while the jump from High to Ultra is 46.3 FPS, showing that the most demanding preset has a disproportionate impact on performance.

Moving to 2560x1440, the frame rates remain strong but show a clearer GPU influence. Low runs at 211.7 FPS, Medium at 193.8 FPS, High at 172.4 FPS, and Ultra at 142 FPS. The spread from Low to Ultra is 69.7 FPS, which is wider than at 1080p, where the spread was 110 FPS. This narrowing indicates that the CPU is no longer the sole bottleneck, and the GPU is starting to limit performance.

At 3840x2160, the data reveals a significant drop. Low settings produce 120 FPS, Medium yields 107.8 FPS, High manages 94.6 FPS, and Ultra falls to 81.5 FPS. The gap between Low and Ultra is 38.5 FPS, which is the smallest absolute spread across all resolutions. This compression suggests that even at Low settings, the GPU is struggling to keep up with the pixel count. The 4K results are the only ones where the GPU's specs—8 GB VRAM, 280.3 GB/s bandwidth, and 10.79 TFLOPS—become the clear limiting factor.

CPU Role

The Intel Core i5-14600KF is a 14-core, 20-thread processor based on the Raptor Lake architecture, with a base clock of 3.50 GHz and a boost clock of 5.30 GHz. Its 24 MB of shared L3 cache and 2 MB per-core L2 cache provide ample bandwidth for Roblox's single-threaded and lightly-threaded workloads. The CPU's Cinebench R23 multi-core score of 32889 and single-core score of 4643 indicate exceptional performance, placing it in the 93rd percentile of all CPUs.

In Roblox, the CPU's role is dominant at 1080p and 1440p. The fact that 1080p Low (321.7 FPS) and 1440p Low (211.7 FPS) produce identical frame rates to 1080p Ultra is a strong indicator that the CPU is hitting a performance ceiling. The Passmark single-thread score of 4273 and multithread score of 38697 suggest that the processor has far more headroom than the game requires, but the engine's limitations cap the frame rate.

The i5-14600KF's nearest rival, the i5-14600K, scores 49166 on average, a delta of 0.4% lower. This means the KF variant is effectively identical in gaming performance. The CPU's 14 cores are overkill for Roblox, which typically uses fewer than 4 threads, but the high boost clock of 5.30 GHz is what drives the exceptional single-core performance. At 4K, the CPU's role diminishes, as the GPU becomes the bottleneck, but even at 4K Low (120 FPS), the CPU is still capable of feeding the GPU without issue. The data confirms that this processor will not be a limiting factor in Roblox at any resolution or setting.