Rust

The Intel Core i5-12400 and AMD Radeon RX 7900 XT combination delivers a top-tier experience in Rust, ranking in the 82nd percentile of all tested combos. With a rank of 311 out of 1717 tested configurations, this pairing places the system firmly in the upper echelon for this title. The data indicates that the system is well-balanced for high-refresh-rate gameplay at 1440p, while 4K Ultra remains a demanding target that requires settings adjustments.

How This Combo Ranks

The combination ranks 311th out of 1717 tested combos in Rust, placing it in the top 18% of all configurations. This is a strong result that reflects a well-matched pairing, though the rank also shows that there is still a significant performance ceiling above this combination. The data shows that this combo is positioned to handle the game’s demanding survival mechanics without bottlenecking at standard resolutions, but it is not at the absolute top tier where maximum frame rates are achieved regardless of settings. This ranking suggests the system is a high-performance option that will satisfy most players, but those seeking the absolute highest frame rates in Rust would need a more powerful configuration. The overall benchmark scores for the individual components support this: the CPU holds a 77th percentile rank against all CPUs, while the GPU is slightly stronger with an 82nd percentile rank against all GPUs.

GPU Role

The AMD Radeon RX 7900 XT is the primary driver of frame rates in Rust, and its specifications show why it performs so well. It is built on the RDNA 3.0 architecture with a Navi 31 chip on a 5 nm process. The GPU has a base clock of 1387 MHz and a boost clock of 2394 MHz, with a game clock of 2025 MHz. Its 20 GB of GDDR6 memory on a 320-bit bus provides a substantial 800.0 GB/s of bandwidth, which is crucial for handling the large textures and asset streaming common in a survival game like Rust. The GPU’s high compute capability is evident in its 51.48 TFLOPS of FP32 performance, and its 84 ray accelerators are present, though Rust does not heavily rely on ray tracing effects. The GPU’s average benchmark score of 38358 places it in the 82nd percentile, and its nearest rivals include the NVIDIA GeForce RTX 5080 Mobile with a score of 38349 (0% delta) and the NVIDIA GeForce RTX 4080 Mobile with a score of 38135 (0.6% delta). This shows that in raw compute terms, the RX 7900 XT is competitive with high-end mobile NVIDIA parts, but in Rust specifically, its large memory pool and bandwidth are key assets.

Resolution Scaling

The measured FPS data shows a clear and predictable scaling pattern across resolutions. At 1080p Low, the combo achieves 202.3 FPS, which drops to 168.3 FPS at 1440p Low and then to 101.8 FPS at 4K Low. This scaling indicates that as resolution increases, the GPU becomes more of a limiting factor, but the CPU still has enough headroom to maintain high frame rates. The drop from 1080p to 1440p is roughly 17%, while the drop from 1440p to 4K is roughly 40%, showing that the 4K resolution places a much heavier load on the GPU. At Ultra settings, the pattern is similar: 103 FPS at 1080p, 71.6 FPS at 1440p, and 41.7 FPS at 4K. The data reveals that the system is highly capable at 1080p and 1440p, but at 4K, the GPU’s workload becomes dominant. The difference between Low and Ultra at 4K is substantial, with a drop from 101.8 FPS to 41.7 FPS, which is a 59% reduction. This shows that while the RX 7900 XT has ample power, 4K Ultra is simply too demanding for this combination to maintain smooth gameplay.

Measured FPS Breakdown

The measured data provides a comprehensive view of performance across all settings and resolutions. At 1080p, the combo is exceptionally fast, with average frame rates ranging from 202.3 FPS on Low to 103 FPS on Ultra. The Medium setting at 1080p yields 165.8 FPS, and High yields 138.1 FPS. This indicates that at 1080p, the CPU is capable of feeding the GPU well, and the GPU is never close to being fully utilized. Moving to 1440p, the averages are 168.3 FPS on Low, 114.1 FPS on Medium, 97.5 FPS on High, and 71.6 FPS on Ultra. The scaling here is more pronounced, with a 42% drop from Low to Ultra. At 4K, the performance becomes more demanding: Low delivers 101.8 FPS, Medium drops to 64.3 FPS, High yields 56.9 FPS, and Ultra falls to 41.7 FPS. This breakdown shows that the system can handle 4K easily on Low, and it is still playable on Medium, but High and Ultra settings will require compromises for smooth play. The data shows a consistent pattern where the gap between Low and Ultra widens as resolution increases, confirming the GPU is the primary bottleneck at higher resolutions.

CPU Role

The Intel Core i5-12400 is a 6-core, 12-thread processor from the Alder Lake generation. It has a base clock of 2.50 GHz and a boost clock of 4.40 GHz, with a 65W TDP. Its 18 MB of shared L3 cache is adequate for gaming, and its support for DDR4 and DDR5 memory provides flexibility. The CPU’s benchmark scores show it to be a strong mid-range performer. Its average benchmark score is 19850, placing it in the 77th percentile. Its nearest rivals include the Intel Core i7-9700 with a score of 19831 (0.1% delta) and the AMD Ryzen Threadripper PRO 5995WX with a score of 19928 (-0.4% delta). In Rust, the CPU’s role is to handle the game’s simulation and entity logic. The data shows that at 1080p, the CPU is not a limiting factor, as frame rates exceed 200 FPS on Low. However, the CPU’s performance is still relevant: its single-thread score in Cinebench R23 is 2249, and its multi-core score is 15935, indicating it can handle the game’s single-threaded and multi-threaded tasks effectively. The 12 threads help with background tasks and server-side calculations, but the main game logic is often single-threaded, and the i5-12400’s strong single-core performance is sufficient.

Settings Recommendations

The data suggests that the optimal experience depends heavily on the target resolution. For 1080p users, the Ultra preset provides an average of 103 FPS, which is above the 60 FPS threshold and offers the best visual quality without compromising fluidity. The High preset at 138.1 FPS is also a strong choice for those with high-refresh-rate monitors. For 1440p, the High preset is the best balance, delivering 97.5 FPS while maintaining high visual fidelity. The Ultra preset at 71.6 FPS is still playable, but the drop from High is noticeable. For 4K users, the Low preset is the only one that guarantees a smooth experience at 101.8 FPS, but the Medium preset at 64.3 FPS is a viable option if visual quality is prioritized over absolute smoothness. The High preset at 56.9 FPS is borderline, and the Ultra preset at 41.7 FPS is not recommended for competitive play. The data indicates that the system is best suited for 1440p High or 4K Medium, where it achieves a balance between visual fidelity and frame rate.

FAQ

Q: What is the overall performance rank of this combo in Rust?

A: This combo ranks 311th out of 1717 tested combos, placing it in the top 18% of all configurations tested for Rust.

Q: How does the GPU compare to its nearest rivals?

A: The RX 7900 XT has an average benchmark score of 38358, which is 0% different from the NVIDIA GeForce RTX 5080 Mobile and 0.6% higher than the NVIDIA GeForce RTX 4080 Mobile.

Q: What is the best resolution for this combo?

A: The data shows that 1440p is the sweet spot, with the High preset delivering 97.5 FPS and the Ultra preset delivering 71.6 FPS, both of which are playable.

Q: What frame rate can I expect at 4K Ultra?

A: At 4K Ultra, the average frame rate is 41.7 FPS, which is below the 60 FPS threshold for smooth gameplay.

Q: Is the CPU a bottleneck at 1080p?

A: No. At 1080p Low, the combo achieves 202.3 FPS, showing that the CPU has enough headroom to feed the GPU at this resolution.

Q: How much does the frame rate drop from 1080p to 4K at High settings?

A: At High settings, the average frame rate drops from 138.1 FPS at 1080p to 56.9 FPS at 4K, a reduction of 59%.