Roblox

The Intel Core i5-10400F paired with the AMD Radeon RX 6600 XT is a balanced mid-range pairing that delivers exceptionally high frame rates in Roblox. The data shows this combination is capable of pushing well past the refresh rate limits of most monitors, even at 4K resolution. This analysis breaks down how the CPU and GPU each contribute to the game's performance, how the combo ranks against other tested systems, and what the measured FPS numbers mean for your actual gameplay experience.

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

The Intel Core i5-10400F is a 6-core, 12-thread processor built on the Comet Lake architecture using Intel's 14 nm process. It runs at a base clock of 2.90 GHz and can boost up to 4.30 GHz, features that are directly relevant to Roblox's performance profile. The processor's cache hierarchy includes 64 KB of L1 and 256 KB of L2 per core, alongside a shared 12 MB L3 cache. This is a desktop-class chip that supports DDR4 memory through a dual-channel interface with 42.7 GB/s of bandwidth.

Benchmark results indicate the i5-10400F is a solid performer, sitting in the 73rd percentile compared to all CPUs. Its multi-threaded capabilities are strong, evidenced by a Cinebench R23 multicore score of 10297, but its single-thread score of 1453 is equally important for a game like Roblox. The data shows a significant jump from the 2-thread 3DMark score of 1350 to the 4-thread score of 2560, and then to the 8-thread score of 3929, indicating that the processor scales well with additional workload. The max-thread benchmark score of 4735 is nearly identical to the 16-thread score of 4748, showing that the 12 threads are fully utilized without a bottleneck.

For Roblox specifically, the game's engine often relies heavily on a few primary threads, making the CPU's strong single-core performance crucial. The i5-10400F's boost clock of 4.30 GHz ensures that these primary threads have sufficient speed to feed the GPU. The processor's PassMark single-thread score of 2541 reinforces its capability in this regard. While the CPU is not the limiting factor at lower resolutions, its performance ceiling does eventually cap the frame rate, which is observable in the measured FPS data at 1080p.

FAQ — 4-6 Q&A pairs answerable from FACT PACK data

Q: What is the maximum average FPS achievable with this combo?

A: The highest measured average FPS is 304.4, achieved at 1920x1080 with Low settings. This shows the combo is capable of extremely high frame rates, far beyond what most displays can show.

Q: How does the CPU's multi-threaded performance compare to its nearest rivals?

A: The i5-10400F has an average benchmark score of 14168. It is 0.4% ahead of the AMD EPYC 7552, which scores 14115, and 0.8% behind the AMD Ryzen 3 7320C, which scores 14277. It trails the Intel Core i5-8500 by 1.1% and the AMD Ryzen Embedded V2546 by 1.2%.

Q: What is the GPU's performance percentile and how does it stack up against its closest competitors?

A: The Radeon RX 6600 XT sits in the 71st percentile of all GPUs. Its average benchmark score of 27985 is 0.1% higher than the NVIDIA GeForce GTX 980 Ti's 27956, and 0.4% higher than the AMD Radeon R9 M395X's 27883. It trails the NVIDIA GeForce RTX 3070 by 0.9% and the AMD FirePro S7150 by 1.5%.

Q: Does the game become CPU-bound or GPU-bound at different resolutions?

A: The data suggests the game is CPU-bound at 1080p, as reducing settings from Ultra to Low at that resolution only increases the FPS from 197.8 to 304.4, a significant jump. However, at 4K, the frame rates are lower (93.9 FPS on High), indicating the GPU becomes more of a limiting factor.

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

A: The Intel Core i5-10400F and AMD Radeon RX 6600 XT combination ranks 1324 out of 1800 tested combos in Roblox. This places it in the lower-middle tier of all possible pairings.

Q: What is the GPU's memory bandwidth and size?

A: The Radeon RX 6600 XT features 8 GB of GDDR6 memory on a 128-bit bus, providing a bandwidth of 256.0 GB/s. This is sufficient for Roblox's texture and asset demands, even at 4K.

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

The measured FPS data reveals a clear pattern in how this combo scales with resolution. At 1920x1080 with High settings, the average FPS is 246.2. Moving to 2560x1440, that figure drops to 164.7, which is a 33% decrease. At 3840x2160, the average FPS falls to 93.9, representing a 62% drop from the 1080p figure. This steep decline indicates that the GPU is becoming the primary limiting component as resolution increases.

The scaling from 1440p to 4K is also telling. At 2560x1440 with High settings, the system produces 164.7 FPS, but at 4K it only manages 93.9 FPS. This is a 43% reduction in performance. The pattern is consistent across all settings. For instance, at Low settings, the FPS drops from 207.3 at 1440p to 118.3 at 4K. This shows that the RX 6600 XT's rendering capabilities are being taxed more heavily at higher resolutions.

The data suggests that at 1080p, the CPU is more likely to be the limiting factor, as the frame rates are extremely high and the gap between settings is relatively narrow. At 4K, the GPU's workload increases significantly, and the FPS drops accordingly. The Radeon RX 6600 XT's 8 GB of VRAM is sufficient, but its 256.0 GB/s bandwidth and 10.60 TFLOPS of FP32 performance become the bottleneck. This is a classic sign of a system that is balanced for high-refresh-rate 1080p gaming but will see diminishing returns at 4K.

How This Combo Ranks — use comboRankInGame vs other tested combos

The combination of the Intel Core i5-10400F and AMD Radeon RX 6600 XT ranks 1324 out of 1800 tested combos in Roblox. This is a relatively low ranking, placing the pairing in the 26th percentile of all tested systems. This ranking is surprising given the high absolute FPS numbers, but it reflects the fact that many other combos—likely those with higher-end CPUs and GPUs—can achieve even higher frame rates in this game.

The ranking indicates that while this combo is more than capable of delivering smooth gameplay, it is not at the top of the performance hierarchy. The CPU's 73rd percentile ranking and the GPU's 71st percentile ranking suggest that both components are mid-range, and their combined performance places them in the lower half of all possible pairings. This is not a criticism of the hardware, but rather a reflection of the wide variety of more powerful components that have been tested.

For context, the CPU's nearest rival, the AMD EPYC 7552, has a nearly identical average score, and the GPU is closely matched with the GTX 980 Ti. This suggests that the combo's ranking is not due to a specific weakness but rather the overall competitive landscape. In practical terms, a rank of 1324 out of 1800 means that there are 476 other tested combos that perform better in Roblox, which could be a consideration for users seeking the absolute highest frame rates.

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

The AMD Radeon RX 6600 XT is built on the RDNA 2.0 architecture using TSMC's 7 nm process, featuring the Navi 23 chip with 11,060 million transistors on a 237 mm² die. It has a base clock of 1968 MHz, a game clock of 2359 MHz, and a boost clock of 2589 MHz. These high clock speeds are directly responsible for the card's strong performance in Roblox, allowing it to process the game's relatively simple geometry and shaders at very high speeds.

The GPU is equipped with 8 GB of GDDR6 memory running at an effective 16 Gbps on a 128-bit bus, delivering 256.0 GB/s of bandwidth. This memory configuration is more than adequate for Roblox, which does not have demanding VRAM requirements. The card also features 2048 shading units, 128 TMUs, and 64 ROPs, which contribute to its fill rate of 165.7 GPixel/s and texture rate of 331.4 GTexel/s. The FP32 performance of 10.60 TFLOPS is the primary driver of the card's ability to maintain high FPS.

The GPU's benchmark data shows a strong overall score of 27985, placing it in the 71st percentile of all GPUs. Its DirectX 12 performance is notable, with a PassMark score of 61, while its DirectX 11 score is 163 and DirectX 9 is 194. The card's compute performance is also solid, with a PassMark GPU compute score of 7520. These metrics indicate that the RX 6600 XT is well-suited for a game like Roblox, which may rely on older DirectX APIs but still benefits from the card's raw processing power.

Measured FPS Breakdown — resolution by resolution, settings by settings, exact numbers

1920x1080: The data shows this resolution is where the combo performs at its peak. At Low settings, the average FPS is 304.4. Medium settings yield 276.4 FPS, High settings produce 246.2 FPS, and Ultra settings drop to 197.8 FPS. These numbers indicate that even at Ultra settings, the frame rate remains well above 144 Hz, making this an excellent pairing for high-refresh-rate 1080p monitors.

2560x1440: At this resolution, performance remains very strong. Low settings produce an average of 207.3 FPS, while Medium settings reach 186.6 FPS. High settings deliver 164.7 FPS, and Ultra settings still maintain a high 135.5 FPS. This shows that the combo is capable of driving 1440p displays at high refresh rates, with even the most demanding settings staying above 135 FPS.

3840x2160: At 4K, the performance drops but remains playable. Low settings average 118.3 FPS, Medium settings reach 103.4 FPS, High settings produce 93.9 FPS, and Ultra settings drop to 77.1 FPS. This means that at 4K, users will need to lower settings to achieve 60+ FPS, but the game is still smooth at High settings. The scaling from 1080p to 4K shows a 61% reduction in FPS at High settings (from 246.2 to 93.9), confirming the GPU is the limiting factor at higher resolutions.