Lockdown Protocol

The pairing of the Intel Core i5-9400 with the AMD Radeon RX 9070 XT in Lockdown Protocol produces a system that is heavily constrained by its processor at lower resolutions, while the GPU becomes the clear bottleneck at 4K. Benchmark results show a dramatic shift in performance scaling across resolutions, with the CPU limiting frame rates at 1080p and 1440p, but the GPU taking over as the primary limiting component at 3840x2160. This combination ranks in the 658th position out of 1637 tested combos, placing it in the upper half of the database, though its performance profile is defined more by the CPU's six cores than the GPU's raw power.

Resolution Scaling

The measured FPS data reveals a clear pattern of diminishing returns as resolution increases, with the CPU bottleneck manifesting most severely at 1080p. At 1920x1080 with Ultra settings, the system achieves 118.8 FPS, while dropping to Low settings yields 163 FPS—a difference of 44.2 FPS that indicates the processor is not the sole limiting factor at this resolution. However, the scaling from 1080p to 1440p tells a more revealing story: at High settings, the frame rate drops from 135.6 FPS to 118.6 FPS, a modest 17 FPS reduction that suggests the CPU is still keeping pace with the GPU's output.

The transition from 1440p to 4K shows the GPU beginning to assert its dominance as the limiting component. At 2560x1440 with High settings, the system produces 118.6 FPS, but at 3840x2160 with the same settings, it falls to 77.1 FPS—a significant 41.5 FPS drop that indicates the RX 9070 XT is now the primary constraint. This pattern intensifies at Ultra settings, where the frame rate plummets from 90 FPS at 1440p to 60.2 FPS at 4K, a 29.8 FPS reduction that clearly demonstrates the GPU's workload becoming the bottleneck.

The Low settings data further illustrates this shift. At 1080p Low, the system delivers 163 FPS, which drops to 149.3 FPS at 1440p and then to 120.6 FPS at 4K. The 28.7 FPS drop from 1440p to 4K at Low settings shows that even with reduced graphical demands, the GPU's pixel throughput becomes the limiting factor at higher resolutions. This scaling behavior indicates that the i5-9400's six cores are sufficient to feed the GPU at 1080p and 1440p, but the RX 9070 XT's 16 GB of GDDR6 memory and 644.6 GB/s bandwidth are fully utilized when rendering at 4K.

FAQ

Q: Does the Intel Core i5-9400 bottleneck the RX 9070 XT in Lockdown Protocol?

A: At 1080p and 1440p, the CPU has a noticeable impact on performance, as evidenced by the relatively small frame rate gains when lowering resolution. The 1080p Ultra score of 118.8 FPS compared to 1440p Ultra's 90 FPS shows only a 28.8 FPS difference, suggesting the CPU is limiting the GPU's potential at lower resolutions.

Q: What is the best resolution for this combination?

A: The 2560x1440 resolution with Medium settings provides a balanced experience at 130 FPS, where the CPU and GPU both contribute to performance without either becoming a severe bottleneck. The 4K resolution at High settings delivers 77.1 FPS, which is playable but shows the GPU working near its limits.

Q: How does the i5-9400 compare to its nearest rival in CPU benchmarks?

A: The i5-9400 has an average benchmark score of 2305, which places it 0.2% ahead of the Intel Core i3-10305 and 0.2% ahead of the Intel Core i3-1125G4, but 0.6% behind the Intel Core i7-8809G. This puts it at the 50th percentile of all CPUs, indicating mid-range performance.

Q: Is the RX 9070 XT's performance consistent with its GPU benchmark percentile?

A: The GPU sits at the 82nd percentile of all GPUs with an average benchmark score of 39647, yet its nearest rivals include the AMD Radeon Pro 575 at 39703 (0.1% higher) and the AMD Radeon RX Vega 64 at 39879 (0.6% higher). This suggests the card's raw compute power is competitive, but its in-game performance in Lockdown Protocol is influenced by the CPU pairing.

Q: What frame rate can users expect at 1080p with High settings?

A: The measured data shows 135.6 FPS at 1920x1080 with High settings, which is the second-highest result for this resolution after Low settings at 163 FPS. This indicates smooth gameplay for competitive FPS scenarios.

Q: How does the 4K Ultra performance compare to lower settings at the same resolution?

A: At 3840x2160, Ultra settings produce 60.2 FPS, while High settings reach 77.1 FPS, Medium hits 87.9 FPS, and Low achieves 120.6 FPS. This 60.4 FPS spread across settings shows the GPU's performance is heavily dependent on graphical load at 4K.

CPU Role

The Intel Core i5-9400 brings six cores and six threads to this pairing, with a base clock of 2.90 GHz and a boost clock of 4.10 GHz. This Coffee Lake architecture processor, built on Intel's 14 nm process node, features 9 MB of shared L3 cache and supports DDR4 memory with dual-channel configuration and 42.7 GB/s memory bandwidth. The CPU's benchmark results show a Cinebench R23 multi-core score of 7969 and a single-core score of 1125, placing it at the 50th percentile of all CPUs.

In Lockdown Protocol, the CPU's role becomes evident when examining the frame rate differences between resolutions. The 1080p to 1440p scaling at High settings shows only a 17 FPS drop (135.6 to 118.6), while the 1440p to 4K scaling at the same settings shows a 41.5 FPS drop (118.6 to 77.1). This pattern suggests the CPU can maintain adequate frame pacing at lower resolutions but becomes less relevant as the GPU's rendering workload increases. The processor's six threads, without hyper-threading, may limit performance in scenes with heavy physics or AI calculations, though the measured data does not isolate these specific workloads.

The CPU's 65 W TDP and PCIe Gen 3 interface with 16 lanes provide sufficient bandwidth for the GPU, but the processor's 50th percentile ranking indicates it is not a high-end part. Its nearest rival, the Intel Core i3-10305, scores 2300 (0.2% lower), while the Intel Xeon E-2134 scores 2295 (0.4% lower). These close margins show the i5-9400 is firmly in the mid-range segment, which aligns with its role as a potential bottleneck in this high-end GPU pairing.

Measured FPS Breakdown

The measured frame rates across all resolutions and settings provide a comprehensive view of this system's performance in Lockdown Protocol. At 1920x1080, the lowest resolution tested, the system delivers 163 FPS on Low settings, 142 FPS on Medium, 135.6 FPS on High, and 118.8 FPS on Ultra. The 44.2 FPS spread between Low and Ultra settings at 1080p indicates the GPU has headroom even at the highest quality preset.

Moving to 2560x1440, the frame rates decrease across all settings: Low produces 149.3 FPS, Medium yields 130 FPS, High reaches 118.6 FPS, and Ultra drops to 90 FPS. The 59.3 FPS difference between Low and Ultra at 1440p is larger than at 1080p, showing the GPU's workload increasing with resolution. The Medium setting's 130 FPS at 1440p is particularly notable, as it closely matches the 135.6 FPS seen at 1080p High, suggesting similar GPU utilization.

At 3840x2160, the system shows the most significant performance degradation: Low delivers 120.6 FPS, Medium produces 87.9 FPS, High reaches 77.1 FPS, and Ultra falls to 60.2 FPS. The 60.4 FPS spread at 4K is the largest of any resolution, demonstrating the GPU's sensitivity to settings at this pixel count. The 4K Low result of 120.6 FPS is close to the 1440p High result of 118.6 FPS, indicating that lowering settings at 4K can achieve similar frame rates to higher settings at lower resolutions.

How This Combo Ranks

This specific combination of the Intel Core i5-9400 and AMD Radeon RX 9070 XT ranks 658th out of 1637 tested combos in Lockdown Protocol, placing it in the 60th percentile of all tested systems. This ranking reflects the imbalance between the CPU's mid-range performance and the GPU's high-end capabilities. The CPU's 50th percentile ranking among all processors contrasts sharply with the GPU's 82nd percentile ranking, and this pairing's overall position suggests the CPU is holding back the GPU's full potential.

The combo's rank of 658 out of 1637 means there are 979 tested combinations that perform worse, but also 657 that perform better. This places the system in the upper-middle tier of the database, which is consistent with the measured frame rates showing playable performance at most settings. The ranking does not account for the specific resolution or settings used, but the measured FPS data indicates that this combo can achieve high frame rates at 1080p and 1440p, with 4K performance being more variable.

Settings Recommendations

Based on the measured FPS data, the optimal settings for this combo depend on the target resolution and desired frame rate. At 1920x1080, the Ultra preset at 118.8 FPS is the best choice for users prioritizing visual quality, as it remains well above the 60 FPS threshold while providing the highest graphical fidelity. The High preset at 135.6 FPS offers a good balance for competitive play, while the Low preset at 163 FPS is recommended for maximum frame rates in fast-paced scenarios.

At 2560x1440, the Medium preset at 130 FPS provides the best experience, offering a smooth frame rate that is only 5.6 FPS lower than the 1080p High result. The High preset at 118.6 FPS is also viable for users who prefer higher quality, while the Ultra preset at 90 FPS remains playable but shows the CPU and GPU beginning to struggle. For 4K gaming, the Low preset at 120.6 FPS is the recommended choice, as it delivers the only frame rate above 100 FPS at this resolution. The High preset at 77.1 FPS is acceptable for visually demanding single-player content, but the Ultra preset at 60.2 FPS is close to the minimum playable threshold and is not recommended for competitive play.

GPU Role

The AMD Radeon RX 9070 XT is the dominant component in this pairing, with specifications that far exceed the CPU's capabilities. It features 16 GB of GDDR6 memory on a 256-bit bus with 644.6 GB/s bandwidth, and its 4096 shading units, 256 TMUs, and 128 ROPs provide substantial rendering power. The GPU's clocks include a base of 1660 MHz, a boost of 2970 MHz, and a game clock of 2400 MHz, with memory running at 2518 MHz (20.1 Gbps effective). Built on TSMC's 4 nm process with 53,900 million transistors on a 357 mm² die, the GPU delivers 48.66 TFLOPS of FP32 performance.

In Lockdown Protocol, the GPU's role becomes increasingly important as resolution increases. At 1080p, the GPU's performance is partially masked by the CPU, but at 4K, the GPU's 16 GB VRAM and high bandwidth become fully utilized. The GPU's benchmark results include a 3DMark Steel Nomad DX12 score of 7260 and a Passmark G3D score of 26795, placing it at the 82nd percentile of all GPUs. Its nearest rivals, including the AMD Radeon Pro 575 (39703 score, 0.1% higher) and the AMD Radeon RX Vega 64 (39879 score, 0.6% higher), show that the RX 9070 XT is competitive with older high-end cards, though its launch MSRP of 599 USD positions it as a premium component.

The GPU's 304 W TDP and dual-slot design require a 700 W suggested PSU, and its PCIe 5.0 x16 interface ensures no bandwidth limitations. The 4K Ultra result of 60.2 FPS shows the GPU working at its limits, while the 1080p Low result of 163 FPS demonstrates its headroom when the CPU is not the bottleneck. The GPU's performance in this game is strong overall, but its full potential is only realized at higher resolutions where the CPU's limitations become less relevant.