Fortnite

Fortnite with the AMD Ryzen 7 5800XT and Intel Arc B570 presents a compelling dataset for analyzing how a mid-range CPU and GPU pairing handles a competitive Battle Royale title. The measured results show a system that is clearly capable of delivering high frame rates at mainstream resolutions, but which experiences significant strain as resolution and detail settings increase. The data indicates that the Intel Arc B570 becomes the primary performance limiter in the most demanding scenarios, while the Ryzen 7 5800XT provides ample headroom.

Resolution Scaling

The measured FPS data reveals a steep performance curve as resolution scales from 1920x1080 up to 3840x2160. At the highest detail preset (Ultra), the average frame rate falls from 64 FPS at 1080p to 40 FPS at 1440p, and finally to just 21 FPS at 4K. This represents a decline of 37.5% when moving from 1080p to 1440p, and a further 47.5% drop when stepping up to 4K. The trajectory is a clear indicator that the GPU is being overwhelmed at higher resolutions, as the pixel count increase directly taxes the Arc B570's 10 GB of GDDR6 memory and 160-bit bus.

The pattern is consistent across the other settings presets. With High settings, the average FPS drops from 96 at 1080p to 61 at 1440p, and then to 32 at 4K. The percentage drop from 1080p to 4K is 66.7%, which is substantial but perhaps less dramatic than the Ultra preset's 67.2% decline. Interestingly, the Low preset shows the least relative degradation, with averages of 176 FPS at 1080p, 112 FPS at 1440p, and 59 FPS at 4K. This is a drop of 66.5% from 1080p to 4K, but the absolute numbers remain playable at the lower resolutions.

The scaling behavior suggests that at 1080p, the CPU is doing more of the heavy lifting, particularly at Low and Medium settings where the frame rates are high. At 4K, the GPU is definitively the bottleneck, as the frame rates across all presets converge toward the 21-59 FPS range. The fact that the 4K Ultra result is 21 FPS while 4K Low is 59 FPS shows a 64.4% performance gap driven entirely by GPU load. The Ryzen 7 5800XT, with its 8 cores and 16 threads, is not the limiting factor here; the data points to the Arc B570's raw throughput ceiling being reached.

Settings Recommendations

Based on the measured rows, the optimal balance between visual quality and performance is found at 1920x1080 with High settings, which delivers an average of 96 FPS. This is well above the 60 FPS threshold and provides a smooth experience for competitive play. The Medium preset at 1080p offers 124 FPS, which is a 29.2% improvement over High, but the visual fidelity trade-off may not be worth it for all users. The data shows that the 1080p Medium result includes a minimum of 106 FPS and a maximum of 143 FPS, indicating good frame pacing.

For users prioritizing higher resolutions, 1440p with High settings yields 61 FPS, which is just about playable for a Battle Royale title where reaction times matter. The Low preset at 1440p boosts performance to 112 FPS, a significant jump, but at the cost of visual detail. At 4K, the data suggests that only the Low preset (59 FPS) approaches playability, while Medium (42 FPS) and High (32 FPS) are below the 60 FPS target. The Ultra preset at 4K is effectively unplayable at 21 FPS.

The recommendation from the data is clear: for a balanced experience, 1080p High is the sweet spot. For those who demand higher frame rates, dropping to 1080p Medium or Low provides substantial gains. At 1440p, High is the highest preset that maintains a reasonable average, while at 4K, users must accept Low settings to get near 60 FPS. The 1080p Ultra preset, at 64 FPS, is a less attractive option than 1440p High, which offers the same frame rate at a higher resolution.

FAQ

Q: What is the best resolution for competitive play with this combo?

A: The data shows that 1920x1080 with High settings provides an average of 96 FPS, which is the highest preset at that resolution to maintain a comfortable margin above 60 FPS. For even higher refresh rates, the Low preset at 1080p reaches 176 FPS.

Q: Can this system handle 4K gaming in Fortnite?

A: Benchmark results indicate that 4K is only viable with the Low preset, which yields an average of 59 FPS. The Medium preset drops to 42 FPS, and High falls to 32 FPS, suggesting that 4K gaming is not a smooth experience beyond the lowest settings.

Q: How does the Ultra preset compare to High at 1440p?

A: At 2560x1440, the High preset averages 61 FPS, while the Ultra preset averages 40 FPS. This represents a 34.4% performance loss for the higher preset, which may not be justifiable given the visual differences in a fast-paced game.

Q: Is the CPU or GPU the bottleneck in this system?

A: The measured FPS scaling indicates the GPU is the bottleneck at higher resolutions and settings. At 1080p Low, the CPU handles 176 FPS, but at 4K Ultra, the GPU only manages 21 FPS, showing that the Arc B570's limits are reached well before the Ryzen 7 5800XT's 8 cores and 16 threads are stressed.

Q: What is the frame rate difference between Low and Ultra at 1080p?

A: At 1920x1080, the Low preset averages 176 FPS, while the Ultra preset averages 64 FPS. This is a 63.6% reduction in frame rate when moving from the lowest to the highest detail preset at this resolution.

Q: Does the 10 GB VRAM of the Arc B570 cause issues at high settings?

A: The data does not directly measure VRAM usage, but the significant frame rate drops at 4K High and Ultra settings suggest that the GPU's memory bandwidth of 380.0 GB/s and 10 GB capacity are insufficient for the most demanding scenarios in Fortnite.

How This Combo Ranks

The AMD Ryzen 7 5800XT and Intel Arc B570 combination ranks 2178 out of 2740 tested combos for Fortnite. This places it in the 20.5th percentile of all tested pairings, which indicates that the majority of other hardware combinations deliver higher frame rates in this specific game. The ranking is a holistic measure of the system's ability to run Fortnite, and the relatively low position is likely driven by the GPU's limitations at higher resolutions, as evidenced by the measured FPS data.

The CPU itself, the Ryzen 7 5800XT, holds an 81st percentile ranking among all CPUs, with an average benchmark score of 29879. Its nearest rivals include the AMD Ryzen 7 7840H (with a deltaPct of 0) and the AMD Ryzen 7 8845HS (deltaPct of -0.3), indicating that the 5800XT is competitive with modern mobile processors in synthetic benchmarks. The GPU, the Intel Arc B570, ranks in the 65th percentile among all GPUs, with an average score of 20556. Its nearest rivals include the NVIDIA GeForce RTX 3070 Mobile (deltaPct of 0.1) and the Intel Arc A750 (deltaPct of -0.1), showing that the B570's raw performance is similar to a previous-generation mobile high-end card.

In the context of Fortnite, the combo's rank of 2178 out of 2740 suggests that while the CPU is a strong performer, the GPU holds the system back. The data shows that the GPU is the limiting factor at 4K and at high detail presets, which is consistent with the ranking. Users with this combo should target 1080p or 1440p with moderate settings to get the best experience, as the hardware is not designed for maximum fidelity at high resolutions.

CPU Role

The AMD Ryzen 7 5800XT is a desktop processor built on the Zen 3 architecture, with a codename of Vermeer and a 7 nm process node from TSMC. It features 8 cores and 16 threads, with a base clock of 3.80 GHz and a boost clock of 4.80 GHz. This configuration is well-suited for gaming, as the high boost clock helps with single-threaded performance, while the 16 threads provide ample multi-threading capability for modern titles. The CPU has a 32 MB shared L3 cache, which is beneficial for game data that needs to be accessed quickly by all cores.

In Fortnite, the CPU's role is primarily to feed the GPU with draw calls and game logic. The measured data shows that at 1080p Low, the system achieves 176 FPS, which is a high frame rate that relies on the CPU's ability to handle the game's simulation thread. The Ryzen 7 5800XT's single-thread performance, as evidenced by a 3dmark_single_thread score of 959, is strong enough to support such frame rates. The multi-threaded performance is also robust, with a cinebench_r23_multicore score of 23794, which ensures that background tasks and the game's multiple threads do not cause bottlenecks.

However, the data indicates that the CPU is not the limiting factor in this system. As resolution increases, the frame rates drop significantly, which is a classic sign of GPU limitation. At 4K Ultra, the system only produces 21 FPS, which is far below what the CPU could theoretically support. The 5800XT has headroom to spare, as its benchmark scores suggest it could drive higher frame rates if paired with a more powerful GPU. In this context, the CPU's role is to ensure that the GPU is not starved of data, and the 8 cores and 16 threads are more than adequate for Fortnite's requirements.

Measured FPS Breakdown

The measured FPS data provides a comprehensive view of the system's performance across three resolutions and four settings presets. At 1920x1080, the Low preset delivers the highest average at 176 FPS, followed by Medium at 124 FPS (with a minimum of 106 and maximum of 143), High at 96 FPS, and Ultra at 64 FPS. The spread from Low to Ultra is 112 FPS, indicating a wide range of performance based on visual fidelity.

Moving to 2560x1440, the averages drop across the board. Low settings produce 112 FPS, Medium averages 79 FPS (with a minimum of 67 and maximum of 91), High averages 61 FPS, and Ultra averages 40 FPS. The gap between Low and Ultra at this resolution is 72 FPS, showing that the GPU's workload at 1440p is more demanding, but the system remains playable at all but the highest preset.

At 3840x2160, the performance is significantly constrained. Low settings yield an average of 59 FPS, which is the only preset that approaches the 60 FPS target. Medium settings drop to 42 FPS (with a minimum of 35 and maximum of 48), High settings fall to 32 FPS, and Ultra settings plummet to 21 FPS. The frame rate at 4K Ultra is less than one-eighth of the 1080p Low result, underscoring the GPU's limitations at this resolution.

The data shows that the Medium preset is the only one with reported minimum and maximum FPS values, providing insight into frame pacing. At 1080p Medium, the range is 106-143 FPS, which is a spread of 37 FPS. At 1440p Medium, the range narrows to 67-91 FPS, a 24 FPS spread. At 4K Medium, the range is 35-48 FPS, a 13 FPS spread. This tightening of the frame range as resolution increases suggests that the GPU is becoming more consistently loaded, but also that the overall performance is declining. For competitive play, the 1080p Medium preset offers a good balance of high average FPS and reasonable minimums, while the 4K presets are best avoided for serious play.