Minecraft: Java Edition

Minecraft: Java Edition with the Intel Core i5-9400 and NVIDIA GeForce GTX 1660 Ti produces a highly responsive experience at most settings, with frame rates that scale predictably across resolutions. The measured data shows a system that is clearly capable of high refresh rates at 1080p, while 4K Ultra pushes the GPU to its limits. This analysis breaks down the measured FPS, the combo's standing among tested configurations, and the role each component plays in shaping the final output.

Resolution Scaling

The frame rate drop from 1080p to 4K is steep, which is expected given the pixel count increase, but the pattern reveals where the bottleneck lies. At 1080p with Low settings, the combo delivers 305 FPS. Moving to 1440p drops this to 193.4 FPS, a reduction of approximately 37%, and then to 101.1 FPS at 4K, which is another 48% drop from 1440p. This scaling is characteristic of a GPU-limited scenario at higher resolutions, as the CPU has ample headroom at these frame rates.

The picture changes when looking at the High preset. At 1080p, the system achieves 191.9 FPS. At 1440p, this falls to 119.2 FPS, and at 4K, it bottoms out at 65.3 FPS. The relative drop from 1080p to 1440p is about 38%, and from 1440p to 4K is about 45%. This consistent ~40-45% scaling factor across presets indicates that the GTX 1660 Ti is the primary limiter as resolution increases, with its 6 GB memory buffer and 192-bit bus width becoming increasingly stressed.

The most dramatic scaling occurs at the Ultra preset. The system produces 118 FPS at 1080p, but this plummets to 72.6 FPS at 1440p and then to 36.9 FPS at 4K. The 4K Ultra result is less than a third of the 1080p Low figure, showing that the combination of higher pixel count and more demanding shading effects overwhelms the GPU's compute throughput. In contrast, the gap between Low and High at 1080p is roughly 113 FPS, while the same settings gap at 4K is only about 36 FPS, confirming that the GPU is saturated at 4K regardless of the quality preset.

How This Combo Ranks

The Intel Core i5-9400 and GTX 1660 Ti combination ranks 1479 out of 1727 tested combos for this game, placing it in the lower portion of the database. This rank is somewhat surprising given the high absolute frame rates measured, but it reflects the fact that many other combos in the database feature newer or more powerful hardware that can push even higher numbers in a game like Minecraft, which is known for being sensitive to single-thread performance.

The CPU's individual standing provides context for this rank. The i5-9400 sits at the 50th percentile among all CPUs, with an average benchmark score of 2305. Its nearest rivals are tightly clustered: the Intel Core i3-10305 scores 2300, which is a 0.2% delta, and the Intel Core i3-1125G4 also scores 2299, another 0.2% delta. The Intel Xeon E-2134 scores 2295, a 0.4% delta, while the Intel Core i7-8809G scores 2319, a -0.6% delta. This tight grouping suggests the i5-9400's six cores and six threads are competitive with these alternatives, but none of them are top-tier performers.

The GPU's percentile is slightly higher at 55, with an average benchmark score of 13925. Its nearest rivals include the AMD Radeon RX 570X at 13871 (a 0.4% delta) and the NVIDIA RTX A2000 Mobile at 13821 (a 0.8% delta). The GTX 1660 Ti sits between these and the NVIDIA Tesla K10, which scores 14029 with a -0.7% delta. This positioning shows that the GPU is a moderate performer in the broader landscape, but its age and 6 GB memory capacity limit its effectiveness at extreme settings in modern gaming workloads.

GPU Role

The GTX 1660 Ti is built on the TU116 chip using a 12 nm process from TSMC, with 6,600 million transistors on a 284 mm² die. Its memory configuration consists of 6 GB of GDDR6 running at 1500 MHz (12 Gbps effective) across a 192-bit bus, yielding a bandwidth of 288.0 GB/s. The core clocks are 1500 MHz base and 1770 MHz boost, with 1536 shading units, 96 texture mapping units, and 48 ROPs. The pixel rate is 84.96 GPixel/s and the texture rate is 169.9 GTexel/s, with FP32 performance at 5.437 TFLOPS.

These specifications directly explain the measured results. At 1080p Low, the GPU has plenty of bandwidth and compute to push 305 FPS, but the frame rate is still limited by the CPU's ability to feed draw calls. At 4K Ultra, the 36.9 FPS figure is a direct consequence of the GPU being forced to process four times as many pixels as 1080p, with the shading units and ROPs becoming the bottleneck. The 288.0 GB/s bandwidth is adequate for 1080p and 1440p, but at 4K with High or Ultra settings, the texture and geometry loads can exceed what the memory bus can efficiently deliver, contributing to the steep performance cliff.

The GPU's 6 GB VRAM capacity is sufficient for this game at 1080p and 1440p, as evidenced by the playable frame rates at those resolutions. However, at 4K with Ultra settings, the combination of high-resolution textures and increased draw distance can push memory usage closer to the limit, which may cause additional stuttering even if the average FPS appears workable. The 12 Gbps effective memory speed helps mitigate this, but it does not eliminate the capacity constraint entirely.

Settings Recommendations

For users targeting 60 FPS as a baseline, the data shows that 4K High is achievable with an average of 65.3 FPS, making it a viable option for those with 4K displays. However, the 4K Ultra preset falls to 36.9 FPS, which is below the smooth threshold and likely to feel sluggish. For 1440p displays, the High preset offers 119.2 FPS, which is excellent for fast-paced gameplay, while Ultra drops to 72.6 FPS, still playable but with a noticeable reduction in smoothness.

At 1080p, the choice comes down to refresh rate priorities. The Low preset hits 305 FPS, which is ideal for competitive play on high-refresh monitors, but the visual fidelity is minimal. The Medium preset provides 240.7 FPS, a strong middle ground that retains some visual polish while keeping frame rates well above 144 Hz. High delivers 191.9 FPS, and Ultra drops to 118 FPS, which is still above 60 FPS but may not fully saturate a 144 Hz display.

The data suggests that Medium is the sweet spot for most users at 1080p, as it offers a substantial visual upgrade over Low with only a 21% reduction in frame rate compared to Low. For 1440p, High is the recommended preset, as it maintains a high frame rate while providing better shading and texture quality. At 4K, High is the only preset that consistently stays above 60 FPS, making it the default choice for 4K users. Ultra should be avoided at 4K unless the user prioritizes visual quality over smoothness and can tolerate sub-40 FPS.

Measured FPS Breakdown

At 1920x1080, the system delivers its highest performance across all presets. The Low settings produce an average of 305 FPS, which is the peak measured value in the entire dataset. Medium settings yield 240.7 FPS, representing a 21% decrease from Low. High settings drop further to 191.9 FPS, and Ultra settings produce 118 FPS. The gap between Low and Ultra is 187 FPS, indicating that the visual quality settings have a profound impact on the GPU workload at this resolution.

At 2560x1440, the frame rates remain high but show the expected reduction. Low settings average 193.4 FPS, which is still sufficient for high-refresh gaming. Medium settings reach 153.9 FPS, and High settings achieve 119.2 FPS. Ultra settings drop to 72.6 FPS, which is the first preset in this resolution to fall below the 100 FPS threshold. The scaling from 1080p to 1440p is roughly 37% for Low, 36% for Medium, 38% for High, and 38% for Ultra, showing a consistent workload increase.

At 3840x2160, the performance is severely constrained. Low settings still manage 101.1 FPS, which is playable, but Medium drops to 79 FPS. High settings produce 65.3 FPS, and Ultra falls to 36.9 FPS. The difference between Low and Ultra at 4K is 64.2 FPS, which is a smaller absolute gap than at lower resolutions, confirming that the GPU is the limiting factor. The 4K Low result is still higher than the 1080p Ultra result for some other combos, but the overall pattern shows that this combination is best suited for 1080p and 1440p gaming, with 4K reserved for lighter presets.