Fortnite

Fortnite on the AMD Ryzen 5 9600X and Intel Arc B390 combination delivers a playable but heavily constrained experience, with the integrated graphics solution acting as the definitive bottleneck across all tested configurations. The benchmark data reveals a system that can handle competitive settings at 1080p but falls apart quickly as resolution and visual fidelity demands increase. This analysis breaks down the measured performance, scaling behavior, and the respective roles of the CPU and GPU in shaping the final frame rates.

Resolution Scaling

The resolution scaling behavior of this combo is stark and immediately revealing. Moving from 1920x1080 to 3840x2160 at High settings, the average frame rate drops from 63 FPS to 21 FPS, a reduction of exactly 66.7%. This steep decline is a classic indicator of a GPU-bound scenario, where the rendering workload at higher pixel counts overwhelms the graphics processor. The data shows a similar proportional collapse at Medium settings, with averages falling from 81 FPS at 1080p to 27 FPS at 4K, a 66.7% decrease that mirrors the High preset behavior almost exactly.

The scaling between 1080p and 1440p is less punishing but still significant. At High settings, the average FPS drops from 63 to 40, a 36.5% reduction. At Low settings, the drop is from 115 FPS to 73 FPS, a 36.5% reduction as well, showing a consistent relationship between these two resolutions. This consistency across presets at the same resolution step indicates that the performance penalty is primarily tied to the pixel throughput required by the GPU, rather than any specific game setting. The 4K step, however, shows a more aggressive falloff, suggesting that the Arc B390’s memory bandwidth and shading resources hit a hard wall when attempting to fill over eight million pixels per frame.

The frame time data available for Medium settings reinforces this GPU-bound interpretation. At 1920x1080 Medium, the minimum FPS is 69 and the maximum is 93, a spread of 24 FPS. At 2560x1440 Medium, the minimum drops to 44 and the maximum to 59, maintaining a similar spread of 15 FPS but at a lower absolute level. At 3840x2160 Medium, the minimum is 23 and the maximum is 31, a spread of just 8 FPS. This tightening of the frame time variance as resolution increases suggests that the GPU is consistently saturated, leaving little headroom for fluctuations. The CPU is not the limiting factor here; the Ryzen 5 9600X has ample compute headroom, but the iGPU simply cannot keep up with the rasterization demands of higher resolutions.

Settings Recommendations

The measured FPS data provides a clear hierarchy for settings recommendations, with the primary goal being to maintain a playable frame rate above 60 FPS. At 1920x1080, the Low preset is the only configuration that achieves a comfortable average of 115 FPS. The Medium preset delivers a respectable 81 FPS, which is still well within playable territory for a fast-paced battle royale. High settings at 1080p yield 63 FPS, which is borderline but workable for casual play, while Ultra drops to 41 FPS, which is too choppy for competitive scenarios.

The analysis changes dramatically at 2560x1440. Here, only the Low preset manages an average above 60 FPS, hitting 73 FPS. Medium drops to 51 FPS, which is below the ideal threshold, and High falls to 40 FPS. Ultra at 1440p is effectively unplayable at 26 FPS. For 4K gaming, the situation is dire: even the Low preset only manages 39 FPS, and every other setting falls below 30 FPS, with Ultra at a slideshow-like 14 FPS.

Given this data, the best experience for this combo is clearly at 1920x1080 with the Medium preset. The 81 FPS average provides a smooth experience that is responsive enough for gameplay, while the visual upgrade from Low to Medium is substantial in Fortnite. The minimum FPS of 69 at this setting ensures that frame drops are unlikely to be disruptive. For players who prioritize frame rate above all else, Low at 1080p is the optimal choice, offering a 115 FPS average that maximizes the refresh rate potential of a standard 60Hz or 120Hz monitor. Choosing High at 1080p sacrifices too much performance for marginal visual gains, and the Ultra preset should be avoided entirely on this hardware.

How This Combo Ranks

The combo’s position in the overall benchmark database is sobering. The data places this pairing at rank 2417 out of 2740 tested combinations, placing it in the bottom 11.8% of all systems. This low ranking is almost entirely attributable to the GPU component. The Arc B390’s individual percentile is 9, meaning it performs better than only 9% of all tested graphics processors. In contrast, the Ryzen 5 9600X sits at the 81st percentile among all CPUs, indicating a high-performing processor that is being severely handicapped by its integrated graphics counterpart.

The nearest rival data for the GPU highlights the performance tier this iGPU occupies. The Arc B390’s average benchmark score of 1482 is just 1.3% higher than the NVIDIA GeForce GT 520MX (1463), 1.5% higher than the GeForce 800M (1460), and 2.5% higher than the GeForce GT 625 OEM (1446). These are legacy, entry-level discrete GPUs from over a decade ago, which contextualizes the Arc B390’s capability. It is not a gaming-focused part in the traditional sense; it is an integrated solution designed for basic display output and light workloads, and its performance in Fortnite reflects that positioning.

The CPU’s nearest rivals demonstrate that the processor is not the issue. The Ryzen 5 9600X’s average benchmark score of 29713 is within 0.8% of the AMD Ryzen 7 8845HS (29955) and 0.6% of the Ryzen 7 5800XT (29879). This shows that the 9600X is competitive with higher-tier mobile and older desktop chips, but in this specific combo, that processing power is left largely unused. The benchmark results for Fortnite are evidence of the fact that a strong CPU cannot compensate for a weak GPU in a graphically demanding title.

Measured FPS Breakdown

The complete measured FPS dataset shows a consistent pattern of performance degradation as settings and resolution increase. At 1920x1080, the full set of results is as follows: Low averages 115 FPS, Medium averages 81 FPS with a range of 69 to 93, High averages 63 FPS, and Ultra averages 41 FPS. This shows a clear linear progression where each step up in settings costs roughly 20-30% performance. The jump from Medium to High is a 22.2% decrease, while the jump from High to Ultra is a 34.9% decrease, indicating that the Ultra preset introduces disproportionately heavy effects.

Moving to 2560x1440, the averages compress downward. Low delivers 73 FPS, Medium delivers 51 FPS with a range of 44 to 59, High delivers 40 FPS, and Ultra delivers 26 FPS. The relative gaps between settings narrow slightly, with the difference between Low and Medium being 30.1%, and between High and Ultra being 35.0%. At 3840x2160, the results are as follows: Low averages 39 FPS, Medium averages 27 FPS with a range of 23 to 31, High averages 21 FPS, and Ultra averages 14 FPS. The difference between Low and Medium at 4K is 30.8%, and between High and Ultra is 33.3%.

The data reveals that the relationship between settings is remarkably consistent across resolutions, showing that the game’s scaling is well-behaved but that the hardware simply lacks the absolute performance headroom. The only setting with complete min/max data is Medium, which shows that the frame time consistency degrades as resolution increases. At 1080p, the spread between min and max is 24 FPS; at 1440p, it narrows to 15 FPS; and at 4K, it narrows further to 8 FPS. This compression indicates that the GPU is running at maximum capacity at higher resolutions, unable to burst above a certain ceiling.

GPU Role

The Intel Arc B390 is the primary limiting component in this configuration. Its architecture, Xe3-LPG, is based on the Panther Lake chip and fabricated on Intel’s 3 nm process. The GPU operates at a base clock of 300 MHz and boosts up to 2500 MHz, providing a theoretical FP32 performance of 7.680 TFLOPS. While this raw compute figure might seem adequate on paper, the integrated nature of the part is its fatal flaw. The memory configuration is listed as "System Shared," meaning it relies on the host system’s DDR5 memory rather than dedicated VRAM. This introduces significant latency and bandwidth constraints that are detrimental to a game like Fortnite, which requires rapid texture streaming and frame buffer access.

The GPU’s benchmark score of 1482 in 3DMark Steel Nomad DX12 places it at the 9th percentile, and its closest rivals are all ancient, low-end discrete GPUs. The pixel rate is 60.00 GPixel/s and the texture rate is 120.0 GTexel/s, but these figures are theoretical and are never achieved in real-world gaming scenarios due to the memory bottleneck. The GPU has 1536 shading units, 48 TMUs, and 24 ROPs, along with 12 ray tracing cores. The ROP count is particularly low for a modern part, which directly impacts fill-rate-heavy tasks like those found in Fortnite’s building mechanics and post-processing effects.

The fact that this is an IGP (Integrated Graphics Processor) with a slot width of "IGP" and no power connectors means it shares thermal and power budget with the CPU. The 80 W TDP is shared across the entire package, and the system’s memory bandwidth is "System Dependent," which in this case is capped by the Ryzen 5 9600X’s dual-channel DDR5 setup. The data shows that the GPU is the bottleneck at every resolution. The 66.7% drop in FPS from 1080p to 4K at High settings is a direct consequence of the GPU being unable to handle the increased pixel count, not a CPU limitation.

CPU Role

The AMD Ryzen 5 9600X is a high-end desktop processor that is vastly overqualified for the GPU it is paired with. Based on the Zen 5 architecture (Granite Ridge), it features 6 cores and 12 threads, with a base clock of 3.90 GHz and a boost clock of 5.40 GHz. This CPU is built on TSMC’s 4 nm process and has a 65 W TDP. Its benchmark scores are impressive across the board: a Cinebench R23 multi-core score of 17528.5 and a single-core score of 2183.5, a Geekbench multi-core score of 14438 and single-core of 2923, and a Passmark multi-thread score of 30027. It ranks at the 81st percentile among all CPUs, indicating strong performance relative to the entire database.

In the context of Fortnite, the CPU’s role is to handle game logic, physics, and draw calls. The 9600X has ample headroom for these tasks, as evidenced by the fact that frame rates drop uniformly across settings and resolutions. If the CPU were the bottleneck, we would expect to see similar frame rates regardless of resolution, as the CPU’s workload would be the limiting factor. Instead, the data shows that frame rates plummet as resolution increases, which is a clear sign that the GPU is saturated and the CPU is waiting idle. The 32 MB of shared L3 cache and dual-channel DDR5 memory support provide sufficient bandwidth for the CPU to feed the GPU, but the GPU cannot process the data fast enough.

The CPU’s nearest rivals in the benchmark database include the AMD Ryzen 7 PRO 5755GE (0.2% slower), the Ryzen 7 7840H (0.5% faster), and the Ryzen 7 5800XT (0.6% faster). These comparisons show that the 9600X is competitive with chips that have more cores, which confirms its efficient Zen 5 architecture. However, in this specific Fortnite setup, the CPU’s performance is effectively wasted. The measured FPS at 1080p Low (115 FPS) is likely close to the upper limit of what the iGPU can output, and the CPU is not the constraint. The conclusion is that this combo is severely unbalanced, with a processor capable of driving high frame rates in many titles, but a graphics solution that cannot keep up with even modest gaming demands.