To The Core

The Intel Core i5-9400 paired with the NVIDIA GeForce RTX 5080 delivers exceptional frame rates in To The Core, but the data reveals a significant CPU bottleneck that shapes the entire experience. At 1080p, this combo produces over 300 FPS across all settings, while at 4K it still maintains a highly playable 134.7 FPS on Ultra. However, the performance scaling pattern indicates that the six-core i5-9400 is the limiting factor at lower resolutions, preventing the RTX 5080 from fully stretching its legs in this idle game.

FAQ

*Q: What is the best settings preset for this combo in To The Core?*

A: The data shows that High settings at 1440p delivers 289 FPS, which represents an excellent balance. Ultra settings at 1440p drops to 235 FPS, while High at 4K maintains 166.2 FPS. For most users, High at 1440p offers the best combination of visual fidelity and frame rate headroom.

Q: How does the RTX 5080 perform relative to its closest rivals?

A: The RTX 5080 scores 59,188 in average benchmark score, placing it 1.6% ahead of the Intel Arc A570M and 2.5% ahead of the Intel Arc A580. However, it trails the Intel Arc Pro A60 by 1.9%. This places the GPU in the 89th percentile of all GPUs.

Q: Is the i5-9400 holding back the RTX 5080 in this game?

A: Yes, the evidence is strong. At 1080p, the gap between Low and Ultra settings is only 63 FPS (371.6 vs 308.6), while at 4K, that same gap expands to 92.1 FPS (226.8 vs 134.7). This compressed performance range at lower resolutions indicates CPU limitation.

Q: What is the CPU's benchmark standing compared to similar processors?

A: The i5-9400 has an average benchmark score of 2,305, placing it in the 50th percentile of all CPUs. It sits 0.2% ahead of the Intel Core i3-10305 and 0.4% ahead of the Intel Xeon E-2134, while trailing the Intel Core i7-8809G by 0.6%.

*Q: Can this combo handle 4K gaming in To The Core?*

A: Absolutely. The measured data shows 166.2 FPS at 4K High and 134.7 FPS at 4K Ultra. Even at the most demanding preset, the frame rate remains well above standard display refresh rates.

Q: How does the combo rank among all tested configurations?

A: This specific combination ranks 282nd out of 1,756 tested combos in To The Core, placing it in the top 16% of all configurations evaluated for this game.

Settings Recommendations

The measured FPS data points to High settings at 1440p as the optimal experience for this combo. At 289 FPS, this preset delivers the visual quality of High while maintaining a frame rate that exceeds any current display technology. The jump from High to Ultra at 1440p costs 54 FPS (from 289 to 235), which is a substantial 18.7% performance penalty for incremental visual gains.

For 4K users, High settings at 166.2 FPS represents the sweet spot. The Ultra preset at this resolution drops to 134.7 FPS, which is still smooth but sacrifices 31.5 FPS. Given that this is an idle game, the visual clarity of High settings provides an excellent experience without the performance hit of Ultra.

At 1080p, the data shows diminishing returns from pushing settings higher. Low settings produce 371.6 FPS, while Ultra produces 308.6 FPS. The 63 FPS difference is relatively small in percentage terms (17%), indicating the CPU is already limiting performance at this resolution. Medium settings at 351 FPS offers a good middle ground for users with high-refresh monitors.

Resolution Scaling

The FPS scaling from 1080p to 4K reveals a classic CPU-bound scenario at lower resolutions. At High settings, performance drops from 332.2 FPS at 1080p to 289 FPS at 1440p (a 13% decrease), then to 166.2 FPS at 4K (a 42.5% decrease from 1440p). This pattern shows the GPU becoming more dominant as resolution increases.

The Low settings curve tells a similar story: 371.6 FPS at 1080p, 323.2 FPS at 1440p, and 226.8 FPS at 4K. The 1080p to 1440p drop is only 48.4 FPS, while the 1440p to 4K drop is 96.4 FPS. This suggests that at 1080p, the i5-9400's six cores are the primary constraint, while at 4K, the RTX 5080's rendering workload becomes the limiting factor.

The Ultra settings scaling is particularly telling. From 1080p to 1440p, performance falls from 308.6 to 235 FPS (73.6 FPS drop), then to 134.7 FPS at 4K (another 100.3 FPS drop). The consistent frame rate compression at 1080p across all settings confirms the CPU bottleneck, as the GPU would otherwise show much larger performance differences between presets.

Measured FPS Breakdown

At 1920x1080, the combo delivers its highest raw frame rates. Low settings produce 371.6 FPS, Medium reaches 351 FPS, High achieves 332.2 FPS, and Ultra still maintains 308.6 FPS. The spread from Low to Ultra is 63 FPS, which is the smallest absolute difference across all resolutions tested.

Moving to 2560x1440, the data shows 323.2 FPS on Low, 308.6 FPS on Medium, 289 FPS on High, and 235 FPS on Ultra. The Low-to-Ultra gap widens to 88.2 FPS, indicating the GPU is beginning to exert more influence on performance. The 1440p Ultra score of 235 FPS is notable because it exactly matches the 4K Low score of 226.8 FPS in terms of the performance hierarchy shift.

At 3840x2160, the frame rates remain impressive for a 4K resolution. Low settings hit 226.8 FPS, Medium achieves 191.2 FPS, High reaches 166.2 FPS, and Ultra bottoms out at 134.7 FPS. The Low-to-Ultra spread expands to 92.1 FPS, demonstrating that at 4K, settings choices have a more pronounced impact on performance.

GPU Role

The RTX 5080 brings substantial hardware to this matchup: 16 GB of GDDR7 memory on a 256-bit bus with 960.0 GB/s bandwidth. Its base clock of 2295 MHz boosts to 2617 MHz, powering 10,752 shading units. The GPU's 89th percentile ranking among all GPUs confirms its high-end positioning.

In To The Core, the GPU's role becomes increasingly important as resolution rises. At 4K, the difference between Low and Ultra settings creates a 92.1 FPS gap, which is the largest across all resolutions. This indicates that at 4K, the RTX 5080's rendering capabilities—including its 56.28 TFLOPS FP32 performance and 293.1 GPixel/s pixel rate—are fully engaged.

The GPU's memory subsystem is particularly relevant for this idle game. With 960.0 GB/s of bandwidth and 16 GB of capacity, the RTX 5080 has ample resources for high-resolution textures and effects. The 3DMark Steel Nomad DX12 score of 8,637 reflects strong synthetic performance, though the game's actual frame rates show the CPU often limits the GPU at lower resolutions.

CPU Role

The Intel Core i5-9400 is a six-core, six-thread processor based on Coffee Lake architecture. It runs at a 2.90 GHz base clock with a 4.10 GHz boost, featuring 9 MB of shared L3 cache. Its 65 W TDP and dual-channel DDR4 memory support (42.7 GB/s bandwidth) define its capabilities.

The CPU's 50th percentile ranking places it squarely in the mid-range of all processors. Its Cinebench R23 scores of 7,969 multi-core and 1,125 single-core demonstrate modest computational power that aligns with its 2018 release. The nearest rival data shows the i5-9400 is essentially tied with the Intel Core i3-10305 (0.2% delta) and Core i3-1125G4 (0.2% delta).

In To The Core, the CPU's influence is most visible at 1080p. The narrow FPS spread between Low and Ultra settings (63 FPS) suggests the processor cannot feed the RTX 5080 fast enough to differentiate between presets. This bottleneck explains why the combo ranks in the 50th percentile of CPUs but still delivers elite frame rates—the game itself is not demanding enough to expose the CPU's limitations fully.

How This Combo Ranks

This combination of the Intel Core i5-9400 and NVIDIA GeForce RTX 5080 ranks 282nd out of 1,756 tested combos in To The Core. This places it in the top 16% of all configurations, which is impressive given the CPU's mid-range status. The ranking reflects the game's relatively light computational demands, allowing the powerful GPU to dominate performance metrics.

The CPU's 50th percentile standing contrasts sharply with the GPU's 89th percentile ranking. This imbalance suggests that in more demanding games, the i5-9400 would likely hold back the RTX 5080 more significantly. However, in To The Core, the combo achieves frame rates that exceed 300 FPS at 1080p and remain above 130 FPS even at 4K Ultra.

The rank of 282 out of 1,756 indicates that while many combos outperform this pairing, the majority of tested configurations deliver lower frame rates. The RTX 5080's performance headroom is the primary driver of this strong showing, as evidenced by the GPU's 2.5% advantage over the Intel Arc A580 and 1.6% lead over the Arc A570M in benchmark scores.