Rust

FAQ

Q: How does the Intel Core i5-12600KF compare to its closest rival in synthetic benchmarks?

A: The i5-12600KF scores 27,827 in average benchmark score, placing it nearly identical to the Intel Core i9-10900K, which scores 27,829 with a deltaPct of 0. The i5-12600K scores 27,851, a deltaPct of -0.1, meaning the non-K variant is marginally faster.

Q: What is the GPU's performance percentile and how does it rank against the RTX 5090 D?

A: The NVIDIA GeForce RTX 5090 sits in the 94th percentile of all GPUs, with an average benchmark score of 84,306. Its nearest rival, the RTX 5090 D, scores 84,241 with a deltaPct of 0.1, indicating the standard RTX 5090 is slightly ahead by 0.1%.

Q: What is the best 4K result for this combo in Rust?

A: At 3840x2160, the best average FPS is 136.7 on Low settings. The High preset delivers 78.6 FPS, while Medium yields 92.6 FPS, and Ultra drops to 55.8 FPS.

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

A: This combo ranks 24th out of 1,717 tested combos in Rust, placing it in the top 1.4% of all configurations. This is a strong result given the game's demanding survival mechanics.

Q: What are the CPU's core and thread counts, and how does it perform in single-threaded tests?

A: The Intel Core i5-12600KF has 10 cores and 16 threads, with a boost clock of 4.90 GHz. In Cinebench R23 single-core, it scores 3,309, while in 3DMark single-thread it scores 1,016, indicating solid per-core performance for Rust's simulation logic.

Q: How much VRAM does the RTX 5090 have, and what is its memory bandwidth?

A: The RTX 5090 features 32 GB of GDDR7 memory on a 512-bit bus, providing 1.79 TB/s of bandwidth. This is paired with a boost clock of 2407 MHz and a base clock of 2017 MHz.

GPU Role

The NVIDIA GeForce RTX 5090 is a Blackwell 2.0 architecture GPU built on a 5 nm process at TSMC, with 92,200 million transistors on a 750 mm² die. Its 32 GB of GDDR7 memory and 1.79 TB/s bandwidth are decisive for Rust, where large procedurally generated worlds and high-resolution textures demand substantial memory pools. The 512-bit memory bus ensures that data transfer does not bottleneck rendering at 4K.

The GPU's boost clock of 2407 MHz, combined with 21,760 shading units and 176 ROPs, drives a pixel rate of 423.6 GPixel/s. This translates directly to the measured FPS: at 1080p Low, the combo achieves 232.3 FPS, while at 4K Ultra it falls to 55.8 FPS. The data shows that rasterization throughput scales with resolution, but the GPU remains capable of high refresh rates at lower settings.

In Rust, the GPU's 104.8 TFLOPS FP32 performance is particularly relevant for the game's draw calls and dynamic lighting. The RTX 5090's passmark G3D score of 39,650 and 3DMark Steel Nomad DX12 score of 14,411 indicate strong raw compute, which aligns with the observed 4K High result of 78.6 FPS. The GPU also supports DirectX 12 Ultimate, Vulkan 1.4, and OpenGL 4.6, covering Rust's rendering API requirements.

The 575 W TDP and dual-slot design with a 16-pin connector are notable, but the benchmark results confirm that this power budget enables sustained performance. At 1440p, the GPU delivers 202.7 FPS on Low, showing headroom for high-refresh monitors even at mid-resolution.

How This Combo Ranks

The combo of Intel Core i5-12600KF and NVIDIA GeForce RTX 5090 ranks 24th out of 1,717 tested combos in Rust, which is a top-tier placement. This rank reflects the synergy between a CPU with 84th percentile performance and a GPU in the 94th percentile. The CPU's average benchmark score of 27,827 positions it close to the i9-10900K, while the GPU's 84,306 average score aligns with the RTX 5090 D and RTX 5050 Mobile.

The rank implies that only 23 other configurations outperform this combo in Rust, meaning it is near the apex of gaming performance. The data indicates that the bottleneck is not hardware capability but rather the game's engine, which struggles to exceed 232.3 FPS even at 1080p Low. This rank also suggests that users with this combo can expect consistent high performance across all presets, as even the worst-case 4K Ultra result of 55.8 FPS remains playable.

Comparing to rivals, the CPU's deltaPct of 0 against the i9-10900K means the GPU is the differentiator. The RTX 5090's deltaPct of 0.1 over the RTX 5090 D is minor, so the combo's rank is driven by the GPU's raw power rather than CPU edge. In Rust, which is known for CPU-heavy server-side calculations, the i5-12600KF's 16 threads help maintain frame pacing, as seen in the high 1080p results.

Measured FPS Breakdown

At 1920x1080, the combo delivers 232.3 FPS on Low, 195.6 FPS on Medium, 187 FPS on High, and 142 FPS on Ultra. The gap from Low to Ultra is 90.3 FPS, showing a 38.9% drop when maxing settings. This indicates that at 1080p, the GPU has excess capacity, and the frame rate is partially limited by the CPU's ability to feed frames.

Moving to 2560x1440, the results are 202.7 FPS on Low, 151.4 FPS on Medium, 130.6 FPS on High, and 99.2 FPS on Ultra. The transition from 1080p to 1440p reduces FPS by 12.7% on Low, 22.6% on Medium, 30.2% on High, and 30.1% on Ultra. The larger drops at higher settings suggest the GPU is becoming more of a limiting factor as pixel count increases.

At 3840x2160, the results are 136.7 FPS on Low, 92.6 FPS on Medium, 78.6 FPS on High, and 55.8 FPS on Ultra. The 4K Ultra result is the only one below 60 FPS, indicating that Ultra settings at 4K are demanding even for this flagship GPU. The drop from 1440p to 4K is 32.6% on Low, 38.8% on Medium, 39.8% on High, and 43.7% on Ultra, showing that higher settings amplify resolution scaling penalties.

The data reveals that Low settings at any resolution provide excellent frame rates, with 4K Low hitting 136.7 FPS, which is above the 120 Hz threshold for many monitors. Medium settings at 1440p offer 151.4 FPS, balancing visuals and speed.

Settings Recommendations

The measured rows indicate that the Medium preset offers the best balance of visual fidelity and performance across all resolutions. At 1080p Medium, the combo delivers 195.6 FPS, which is only 15.8% lower than Low but provides significantly better textures and effects. At 1440p Medium, the 151.4 FPS result is well above the 144 Hz refresh rate common on gaming monitors, making it the sweet spot for competitive play.

For users prioritizing maximum frame rates, Low settings are optimal, with 232.3 FPS at 1080p and 202.7 FPS at 1440p. However, the data shows that High settings at 1440p still deliver 130.6 FPS, which is acceptable for most players. The Ultra preset is only recommended for 1080p, where it achieves 142 FPS; at 4K, Ultra drops to 55.8 FPS, which is below the 60 FPS threshold for smooth gameplay.

The best experience per the measured rows is Medium at 1440p, offering 151.4 FPS with a 1.5x improvement over High at the same resolution. This setting avoids the steep performance cost of Ultra while maintaining sufficient detail for Rust's environment. At 4K, Medium at 92.6 FPS is the recommended choice, as it keeps the experience fluid without sacrificing too much visual quality.

CPU Role

The Intel Core i5-12600KF features 10 cores and 16 threads based on Alder Lake architecture, with a base clock of 3.70 GHz and a boost clock of 4.90 GHz. Its 20 MB of shared L3 cache and 1.25 MB L2 per core are critical for Rust, which relies on frequent memory access for world state updates. The CPU's Cinebench R23 multicore score of 23,444 and single-core score of 3,309 demonstrate strong performance for both parallel and serial workloads.

Rust's gameplay involves complex physics, AI, and server-side calculations, which benefit from the CPU's 16 threads. The PassMark physics score of 1,539 and multithread score of 27,575 indicate that the CPU can handle the game's simulation demands without bottlenecking the RTX 5090 at lower resolutions. This is evident in the 1080p Low result of 232.3 FPS, where the GPU is underutilized, and the CPU becomes the limiting factor.

The i5-12600KF's 3DMark 16-thread score of 7,956 and max-thread score of 7,952 show consistent scaling across thread counts. This is relevant for Rust's multiplayer environments, where multiple entities and building structures require simultaneous processing. The CPU's 84th percentile ranking versus all CPUs places it above average, though not at the top, which explains why it ranks 24th in the combo rather than higher.

The data suggests that upgrading the CPU would yield diminishing returns, as the current configuration already delivers over 200 FPS at 1440p Low. The bottleneck shifts to the GPU at higher resolutions, where the 4K Ultra result of 55.8 FPS is constrained by pixel throughput, not CPU performance.

Resolution Scaling

The measured FPS across resolutions shows how the combo responds to increasing pixel counts. From 1080p to 1440p, the average FPS drop is 22.9%, while from 1440p to 4K, the average drop is 38.1%. This non-linear scaling indicates that the GPU becomes the primary limiting component as resolution increases.

At Low settings, the drop from 232.3 FPS at 1080p to 136.7 FPS at 4K is 41.2%, which is less severe than the 60.7% drop seen at Ultra settings (from 142 FPS to 55.8 FPS). This pattern reveals that higher settings increase the GPU's workload per pixel, making resolution scaling more punishing. The data implies that the RTX 5090's 1.79 TB/s bandwidth is sufficient for Low settings even at 4K, but Ultra settings require more shading and texture operations, reducing headroom.

The resolution scaling also highlights the CPU's role at lower resolutions. At 1080p, the difference between Low and Ultra is 90.3 FPS, while at 4K, the difference is 80.9 FPS. This narrowing gap suggests that the CPU is limiting performance at 1080p, preventing the GPU from reaching its full potential. At 4K, the GPU is fully saturated, and the CPU has spare capacity.

The data indicates that for 4K gaming, users should stick to Medium settings to maintain above 90 FPS, as the 92.6 FPS result is 66% higher than Ultra. For 1080p, Ultra settings at 142 FPS are viable, but the 232.3 FPS Low result shows that the combo can drive high refresh rates if visual fidelity is sacrificed. Overall, the scaling analysis confirms that this combo excels at 1440p, where it balances CPU and GPU utilization, delivering 202.7 FPS on Low and 151.4 FPS on Medium.