Minecraft

Minecraft with an Intel Core i5-9400 and NVIDIA GeForce RTX 5070 presents a fascinating study in bottleneck dynamics. The data reveals a system where the GPU is overwhelmingly capable, but the aging six-core CPU from the Coffee Lake era consistently limits the upper bounds of performance, particularly at lower resolutions. This combination ranks 1064th out of 3710 tested combos for this game, placing it in the 71st percentile of all pairings, which indicates a strong overall experience, though the specific characteristics of the frame pacing tell a more nuanced story.

Resolution Scaling

The FPS scaling across resolutions is the first clear indicator of where the system's limits lie. At 1080p with Low settings, the combo produces an average of 455 FPS. Moving to 1440p Low, that average drops to 390 FPS, a reduction of 14.3%. Scaling further to 4K Low, the average falls to 224 FPS, which is a 42.5% drop from the 1440p figure. This pattern of declining returns suggests that while the GPU is being tasked with more work at higher resolutions, the CPU is already saturated at 1080p, preventing the frame rate from scaling linearly with the pixel count.

The Ultra settings tell a similar story, but with a different slope. At 1080p Ultra, the average is 267 FPS. At 1440p Ultra, it drops to 169 FPS, a 36.7% reduction. The jump to 4K Ultra brings the average down to 88 FPS, a 47.9% decrease from the 1440p result. The larger percentage drops at Ultra settings compared to Low settings across the same resolution steps indicate that the GPU is becoming the primary limiter when the graphical load is at its highest, as the increased detail and effects tax the RTX 5070's rendering capabilities more heavily.

This data implies that the i5-9400 is a hard ceiling for the RTX 5070 in this title. The fact that the 1080p Low average of 455 FPS is not dramatically higher than the 1440p Low average of 390 FPS suggests that the CPU cannot feed the GPU frames fast enough to fully utilize its potential at lower resolutions. The GPU's idle headroom at 1080p is being wasted, while at 4K, the GPU is finally brought closer to its working limit, resulting in a more proportional scaling between settings levels.

How This Combo Ranks

The combo's overall rank of 1064 out of 3710 tested combinations puts it in the upper third of all systems tested in Minecraft. This is a strong position, driven almost entirely by the RTX 5070's raw power. The GPU itself sits in the 82nd percentile of all GPUs, with an average benchmark score of 40377, placing it just ahead of the AMD Radeon Pro 580, which scores 40318 with a deltaPct of 0.1%. This indicates that the graphics card is a top-tier performer in the database.

However, the CPU is a clear weak point. The i5-9400 sits in the 47th percentile of all CPUs, with an average benchmark score of 2254. This is nearly identical to its nearest rivals, such as the Intel Core i7-1068NG7 (2259, deltaPct -0.2%) and the AMD Ryzen 5 PRO 1500 (2246, deltaPct 0.4%). The CPU's performance ranking is average at best, which creates a significant imbalance when paired with a GPU that ranks in the top 20% of all hardware. The data suggests that this pairing is heavily GPU-favored, and the CPU's mid-range standing is what prevents the combo from ranking even higher.

The fact that the combo ranks at 1064 despite the GPU's high percentile reflects the CPU's limiting effect. In a game like Minecraft, which is known for its draw calls and single-threaded tendencies, the i5-9400's six cores and six threads, with a boost clock of 4.10 GHz, are likely the primary constraint on the maximum frame rate. The GPU is capable of far more, but the CPU's processing speed for game logic and world generation is the bottleneck that holds the whole system back from the top 500 rankings.

Settings Recommendations

Given the measured data, the optimal settings depend heavily on the target resolution and desired frame rate. For 1080p, the High preset provides an average of 385 FPS, which is a massive surplus for any display. The Ultra preset at 1080p drops to 267 FPS, still a very high refresh rate. Since the CPU is the primary limiter here, the jump from High to Ultra costs 118 FPS, but the visual fidelity gain is substantial, making Ultra the better choice for users with high-refresh monitors who want the best image quality without compromising smoothness.

At 1440p, the Medium preset delivers 340 FPS, while High drops to 270 FPS. The Ultra preset falls to 169 FPS. For a 1440p high-refresh display (144Hz or 165Hz), the High preset is the sweet spot, as it maintains an average well above the refresh rate ceiling. The Medium preset offers a buffer for more complex scenes, but the High preset provides a better balance of visual quality and performance. The Ultra preset, while still playable, sacrifices too much frame rate for the incremental visual improvements.

At 4K, the situation changes dramatically. The Medium preset yields 178 FPS, and High drops to 141 FPS. The Ultra preset averages just 88 FPS. For a 4K 60Hz display, the High preset is more than sufficient, offering 141 FPS. For 4K 120Hz or 144Hz panels, the Medium preset is the recommended choice, as it provides an average of 178 FPS, which is enough to keep the experience smooth. The Low preset at 4K (224 FPS) is unnecessary, as the Medium preset does not incur a performance penalty significant enough to justify the reduction in graphical fidelity.

FAQ

Q: What is the expected average FPS at 1080p with High settings?

A: The measured data shows an average of 385 FPS at 1920x1080 with the High preset.

Q: Does the CPU or GPU become the limiting factor at 4K Ultra?

A: The data indicates that at 4K Ultra, the average FPS drops to 88, which is a 67% reduction from the 1080p Ultra score of 267 FPS. This suggests that the GPU is the primary limiter at this extreme resolution, as the increased pixel workload fully occupies the RTX 5070.

Q: How does this combo rank compared to other tested systems?

A: This specific combination of the Intel Core i5-9400 and NVIDIA GeForce RTX 5070 ranks 1064th out of 3710 tested combos in Minecraft.

Q: What is the best preset for a 1440p 144Hz monitor?

A: The High preset at 2560x1440 provides an average of 270 FPS, which is well above the 144Hz refresh rate, making it the ideal choice for this display type.

Q: Is the GPU's performance significantly better than its closest rival?

A: The RTX 5070 has an average benchmark score of 40377, which is only 0.1% higher than the AMD Radeon Pro 580's score of 40318. The performance difference is negligible.

Q: Why isn't the frame rate higher at 1080p Low settings?

A: The average FPS at 1080p Low is 455, but the scaling to 1440p Low only drops to 390 FPS. This relatively small drop suggests that the Intel Core i5-9400 is the limiting component, as it cannot process game data fast enough to allow the GPU to render significantly more frames at the lower resolution.

GPU Role

The NVIDIA GeForce RTX 5070 is the undisputed star of this pairing. Its 12 GB of GDDR7 memory on a 192-bit bus provides a bandwidth of 672.0 GB/s, which is more than sufficient for Minecraft's texture and chunk data at any resolution. The GPU's high memory bandwidth ensures that even at 4K, texture streaming and draw calls are not hampered by a lack of memory throughput.

The GPU's clock speeds are also a factor. With a base clock of 2325 MHz and a boost clock of 2512 MHz, the RTX 5070 has the raw compute power to push through the game's shader workloads. Its 6144 shading units and 80 ROPs contribute to a pixel rate of 201.0 GPixel/s, which is a direct driver of the high frame rates seen in the measured data. The GPU's FP32 performance of 30.87 TFLOPS proves its ability to handle the game's rendering pipeline.

The data shows that the GPU is not the limiting factor until the resolution and settings are pushed to their maximum. At 4K Ultra, the average FPS drops to 88, which is the only scenario where the GPU's performance is the primary constraint. In all other tested configurations, the RTX 5070 is waiting on the CPU to provide more instructions. The GPU's 82nd percentile ranking versus all other GPUs confirms that it is a high-end part that is being held back by the system's processor.

CPU Role

The Intel Core i5-9400 is a 14nm Coffee Lake processor with six cores and six threads. Its base clock of 2.90 GHz and boost clock of 4.10 GHz are modest by modern standards, and its 9 MB of shared L3 cache limits its ability to keep up with the RTX 5070's demands. The CPU's average benchmark score of 2254 places it in the 47th percentile, which is solidly mid-pack.

In Minecraft, the CPU is responsible for game logic, world generation, and handling the massive number of entity updates. The measured FPS data suggests that the i5-9400's processing power is the bottleneck at 1080p and 1440p, as the frame rate does not scale proportionally with the GPU's workload. For instance, the 1080p Medium average is 418 FPS, while the 1440p Medium average is 340 FPS. This drop of 18.7% is less than the 44% increase in pixel count, indicating that the CPU is struggling to maintain a higher frame rate even when the GPU has more work to do.

The CPU's performance is also reflected in its nearest rivals. It is statistically tied with the Intel Core i7-1068NG7 (deltaPct -0.2%) and the AMD Ryzen 5 PRO 1500 (deltaPct 0.4%). This shows that the i5-9400 is a typical mid-range processor from its era. The data clearly indicates that while the CPU is sufficient for a smooth 60 FPS experience at 4K High, it is the primary component limiting the system from achieving the extreme frame rates that the RTX 5070 is capable of at lower resolutions.

Measured FPS Breakdown

The following table summarizes the exact measured FPS data for all tested configurations.

| Resolution | Settings | Avg FPS | Min FPS | Max FPS |

|---|---|---|---|---|

| 3840x2160 | High | 141 | - | - |

| 3840x2160 | Low | 224 | - | - |

| 3840x2160 | Medium | 178 | 151 | 204 |

| 3840x2160 | Ultra | 88 | - | - |

| 2560x1440 | High | 270 | - | - |

| 2560x1440 | Low | 390 | - | - |

| 2560x1440 | Medium | 340 | 289 | 391 |

| 2560x1440 | Ultra | 169 | - | - |

| 1920x1080 | High | 385 | - | - |

| 1920x1080 | Low | 455 | - | - |

| 1920x1080 | Medium | 418 | 356 | 481 |

| 1920x1080 | Ultra | 267 | - | - |

The data shows a clear pattern. At 1080p, the average FPS ranges from 267 (Ultra) to 455 (Low). At 1440p, the range is 169 (Ultra) to 390 (Low). At 4K, the range is 88 (Ultra) to 224 (Low). The Min and Max FPS data for the Medium preset at each resolution indicates that the frame time variance is relatively consistent, with the 1080p Medium preset showing a range of 356 to 481, suggesting a stable experience. The 4K Ultra preset at 88 FPS is the only configuration that falls below the 100 FPS mark, highlighting the GPU's limits at the highest settings.