Downfall

The AMD Ryzen 7 5700X3D paired with the Intel Arc B390 delivers playable frame rates at 1080p and 1440p in Downfall, but the combination is severely constrained by the graphics processor, especially at higher settings and resolutions. The data indicates a system where the CPU’s substantial multi-threaded capability is largely wasted, as the GPU becomes the primary bottleneck in almost every measured scenario. At 4K, the combo falls below acceptable performance thresholds on all but the lowest settings, making this pairing suitable only for lower-resolution gaming.

Resolution Scaling

The measured FPS data reveals a stark and predictable performance collapse as resolution increases, pointing directly to the Intel Arc B390 as the limiting component. At 1080p with Low settings, the system achieves an average of 106 FPS. Moving to 1440p Low drops this to 76 FPS, a reduction of 30 FPS, and at 4K Low, the average falls further to 47 FPS. This scaling pattern, where a 2.25x increase in pixel count from 1440p to 4K results in only a 29 FPS drop, suggests the GPU is already near its maximum output capacity even at lower settings.

The trend is more pronounced at higher graphical presets. At High settings, the average frame rate descends from 71 FPS at 1080p to 51 FPS at 1440p and finally to 32 FPS at 4K. The drop from 1440p to 4K represents a 19 FPS loss, while the drop from 1080p to 1440p is 20 FPS. This nearly linear decline across resolutions indicates that the GPU's fill rate and shading capabilities are being saturated consistently, with no single resolution seeming to hit a cliff edge. The data suggests a smooth, but steep, degradation curve.

The Ultra preset tells a more critical story. At 1080p Ultra, the system averages 44 FPS, which drops to 32 FPS at 1440p and a nearly unplayable 20 FPS at 4K. The 12 FPS difference between 1080p and 1440p, and another 12 FPS between 1440p and 4K, shows that the GPU's limitations are most exposed at the highest settings. The fact that the 4K Ultra score is less than half the 1080p Low score (20 vs 106 FPS) underscores that the Arc B390, with its 7.680 TFLOPS of FP32 performance, simply does not have the raw throughput for high-fidelity 4K gaming in this title.

Benchmark results indicate that the scaling from 1080p to 4K is consistent across all settings, with an average reduction of roughly 60% from the 1080p baseline. This consistent scaling factor is a classic sign of a GPU-bound scenario. The CPU's clock speed and core count are irrelevant at 4K because the graphics processor is unable to feed frames to the display fast enough to utilize the CPU's potential. For users targeting 4K, the data shows this combo is not viable for a smooth experience, even on Low settings, where 47 FPS may feel inconsistent on a standard 60Hz display.

CPU Role

The AMD Ryzen 7 5700X3D is a high-core-count processor with 8 cores and 16 threads, based on the Zen 3 architecture and featuring a large 96 MB shared L3 cache. Its benchmark scores are robust, with a Cinebench R23 multi-core score of 22366 and a Geekbench multi-core score of 11086. However, in Downfall, the CPU's role appears secondary to the GPU. The performance data across all resolutions and settings shows that the system's frame rates are dictated by the graphics card, not the processor.

The CPU’s single-thread performance, measured at 3157 in Cinebench R23 and 804 in 3dmark_single_thread, is more than adequate for gaming. The Intel Arc B390's 3DMark Steel Nomad score of 1482 places it in the 9th percentile of all GPUs, indicating a very low-performance part. When a GPU is this weak, it caps the frame rate long before the CPU can become a bottleneck. The 106 FPS at 1080p Low is likely near the practical limit for this GPU, regardless of the CPU's capabilities.

The data shows that the CPU has a strong multi-threaded profile, with a Passmark multithread score of 26318 and a 3dmark_max_threads score of 6755. Yet, the frame rates in Downfall do not scale in a way that suggests CPU limitation. For instance, the jump from 4K Low (47 FPS) to 1080p Low (106 FPS) is a 59 FPS improvement, which is driven by the reduced pixel load on the GPU, not the CPU. If the CPU were the limiting factor, we would expect to see a plateau in frame rates at lower resolutions, which is not present in the data.

The CPU’s high L3 cache and 16 threads are features that would benefit a CPU-intensive game, but Downfall's results show the opposite. The system is consistently GPU-bound. The `comboRankInGame` of 3303 out of 3716 combos further suggests that the overall package is not competitive, primarily due to the GPU's poor performance. The CPU's 77th percentile ranking among all CPUs is a stark contrast to the GPU's 9th percentile, clearly identifying the graphics card as the system's primary weakness. This pairing does not leverage the CPU's strengths.

FAQ

*Q: What is the best resolution to play Downfall with this CPU and GPU combo?*

A: Based on the measured FPS, 1920x1080 is the only resolution where the combo consistently achieves high frame rates. At 1080p, average FPS ranges from 44 (Ultra) to 106 (Low), with High and Medium at 71 and 87 FPS respectively. At 1440p, only the Low setting (76 FPS) and Medium setting (62 FPS) provide acceptable averages.

*Q: Is this combo capable of 4K gaming in Downfall?*

A: No, the data shows it is not. At 4K, the average FPS is 47 on Low, 39 on Medium, 32 on High, and 20 on Ultra. These scores are all below the 60 FPS target for smooth gameplay, and the 4K Medium average of 39 FPS with a minimum of 33 FPS indicates significant frame pacing issues.

Q: How does the Intel Arc B390 perform relative to other GPUs?

A: The GPU's average benchmark score is 1482, placing it in the 9th percentile of all GPUs. Its nearest rival, the NVIDIA GeForce GT 520MX, has a score of 1463, which is 1.3% lower. This places the Arc B390 in the entry-level or integrated-class performance tier.

Q: Does the Ryzen 7 5700X3D bottleneck the Intel Arc B390 in this game?

A: No, the benchmark results indicate the opposite. The GPU is the limiting factor in all tested scenarios. The CPU has an average benchmark score of 24709 and ranks in the 77th percentile, while the GPU is in the 9th percentile. The frame rates scale consistently with resolution, a classic sign of a GPU bottleneck.

Q: Which settings preset provides the most stable experience at 1440p?

A: The Medium preset at 2560x1440 provides the most stable experience, with an average FPS of 62 and a minimum of 53. While the Low preset has a higher average (76 FPS), the Medium preset offers a better balance between visual quality and performance, staying above 50 FPS at all times.

Q: What is the performance difference between the Low and Ultra presets at 1080p?

A: The difference is substantial. At 1920x1080, the Low preset averages 106 FPS, while the Ultra preset averages 44 FPS. This represents a performance drop of 62 FPS, or roughly 58%, when moving from the lowest to the highest quality settings.

Settings Recommendations

For the best experience with this combination, the data strongly suggests prioritizing resolution over graphical fidelity. At 1920x1080, the Medium preset offers an excellent balance, delivering an average of 87 FPS with a minimum of 74 FPS. This provides a smooth and responsive experience that is suitable for most displays, and the visual upgrade over Low is significant. For users with high refresh rate monitors, the Low preset at 1080p, with its 106 FPS average, is the only way to approach triple-digit frame rates.

At 2560x1440, the Medium preset is the recommended choice, as it maintains an average of 62 FPS and a minimum of 53 FPS. This is the highest settings level that keeps the frame rate consistently above the 50 FPS threshold. The High preset at 1440p drops the average to 51 FPS, which is still playable but may experience more noticeable dips. The Ultra preset at 1440p (32 FPS) should be avoided.

The 4K resolution is not recommended for this combo. Even on the Low preset, the average of 47 FPS is below the ideal 60 FPS target, and the Medium preset's 39 FPS average with a 33 FPS minimum would likely result in a stuttering experience. If a user must play at 4K, the Low preset is the only option that is technically playable, but it is not a smooth experience. The data indicates that 1080p Medium or 1440p Medium are the optimal points for this hardware.

How This Combo Ranks

In the comprehensive database of tested combinations for Downfall, this pairing of the AMD Ryzen 7 5700X3D and Intel Arc B390 ranks 3303rd out of 3716 total combos. This places it in the bottom 11% of all tested systems, indicating a very low overall performance level. The ranking is heavily influenced by the GPU's poor showing, as the CPU is a comparatively strong component.

The CPU itself, with an average benchmark score of 24709, is competitive, sitting just 0.1% below the AMD Ryzen 5 7600X3D and 0.5% below the AMD Ryzen 9 5900HX. However, the Intel Arc B390, with its average score of 1482, is only 1.3% faster than the NVIDIA GeForce GT 520MX and 2.5% faster than the NVIDIA GeForce GT 625 OEM. This massive disparity in component tier is the defining characteristic of this combo.

The rank of 3303 reflects the system's overall inability to deliver high frame rates. While the CPU is a high-end part in the 77th percentile, the GPU's 9th percentile performance drags the entire system down. This combination is a clear example of an imbalanced build, where the processor's potential is left untapped. The data suggests that this combo is not competitive for gaming, as a vast majority of other CPU-GPU pairings deliver better performance in Downfall.

Measured FPS Breakdown

The following table details the exact average FPS for each resolution and settings preset combination, as measured in the benchmark data.

| Resolution | Settings | Average FPS | Minimum FPS | Maximum FPS |

| :--- | :--- | :--- | :--- | :--- |

| 1920x1080 | Low | 106 | - | - |

| 1920x1080 | Medium | 87 | 74 | 100 |

| 1920x1080 | High | 71 | - | - |

| 1920x1080 | Ultra | 44 | - | - |

| 2560x1440 | Low | 76 | - | - |

| 2560x1440 | Medium | 62 | 53 | 71 |

| 2560x1440 | High | 51 | - | - |

| 2560x1440 | Ultra | 32 | - | - |

| 3840x2160 | Low | 47 | - | - |

| 3840x2160 | Medium | 39 | 33 | 44 |

| 3840x2160 | High | 32 | - | - |

| 3840x2160 | Ultra | 20 | - | - |

The data shows a clear hierarchy, with 1080p Low being the fastest configuration at 106 FPS and 4K Ultra being the slowest at 20 FPS. The Medium presets are the only ones that provide minimum FPS data, showing that at 1080p, the frame rate stays within a 26 FPS window (74-100), and at 1440p, within an 18 FPS window (53-71). At 4K, the Medium preset's 11 FPS variance (33-44) indicates a less stable experience. These figures confirm that the system's performance is consistently bound by the graphics processor across all tested scenarios.