Rust

The Intel Core i5-12400F paired with the AMD Radeon RX 6700 XT delivers a distinctly GPU-bound experience in Rust, with performance scaling that follows the graphics card’s workload curve more than the processor’s capabilities. The measured frame rates across four presets and three resolutions paint a clear picture: this combo is well-suited for high-refresh 1080p gaming and capable 1440p play, but it struggles to maintain smooth gameplay at 4K Ultra settings.

Resolution Scaling

The frame rate progression from 1080p to 4K reveals how heavily the RX 6700 XT is taxed as pixel count increases. At 1080p with Low settings, the system produces 167.2 FPS, but dropping to 1440p yields 115.4 FPS, and 4K falls to 66.7 FPS. This represents a 31% reduction from 1080p to 1440p, and another 42% drop from 1440p to 4K. Such steep scaling indicates that the GPU is the limiting factor at every resolution, since the CPU has ample headroom at lower pixel counts.

The pattern holds across all presets, but the margins widen with higher quality settings. For High settings, the system achieves 95.5 FPS at 1080p, 65.1 FPS at 1440p, and 37.5 FPS at 4K. The 4K result is only 39% of the 1080p figure, suggesting that the GPU’s memory bandwidth and compute resources are being saturated at 4K. The RX 6700 XT’s 384.0 GB/s bandwidth and 13.21 TFLOPS FP32 throughput are simply insufficient for Rust’s high-resolution rendering demands.

Ultra settings exacerbate this further. The system manages 70.4 FPS at 1080p, 46.9 FPS at 1440p, and just 27 FPS at 4K. The 4K Ultra result is the lowest measured in the entire dataset, falling below the 30 FPS threshold commonly considered the minimum for playable frame rates. This indicates that 4K Ultra is not viable with this configuration, while 4K Medium at 47.3 FPS and 4K Low at 66.7 FPS remain playable but far from ideal.

CPU Role

The Intel Core i5-12400F provides a solid foundation for this gaming workload, but its contribution is masked by the GPU bottleneck. With 6 cores and 12 threads, the CPU’s multi-threaded performance is respectable, as shown by its Cinebench R23 multicore score of 16518 and Passmark multithread score of 19433. Single-thread performance is also strong, with a Geekbench singlecore score of 2221 and a 3dmark single_thread score of 909, which matters for Rust’s simulation and physics logic.

However, the benchmark data shows that CPU headroom is not the constraint here. At 1080p Low, the system hits 167.2 FPS, which is likely near the CPU’s practical limit for this game, but the GPU is already producing high frame rates at that resolution. The CPU’s 2.50 GHz base clock and 4.40 GHz boost clock provide sufficient frequency for gaming, and the 18 MB shared L3 cache helps with data locality. The processor’s 77th percentile ranking among all CPUs, with an average benchmark score of 19221, places it in the upper tier for gaming builds.

The nearest rivals to this CPU in benchmark scores are the Intel Core i7-8700K (0.1% higher), Intel Core i5-1335U (0.3% higher), and AMD Ryzen 5 7533HS (0.7% lower). These small deltas indicate that the i5-12400F is well-matched to its peers in raw compute, but none of these comparisons change the fact that the RX 6700 XT is the limiting component in Rust. The CPU’s role becomes more apparent at low resolutions and low settings, where the system approaches 167 FPS, suggesting that higher-end CPUs might push slightly further, but the practical difference is negligible for most users.

FAQ

Q: What is the best resolution for this combo in Rust?

A: The data shows that 1080p provides the most comfortable experience, with all presets exceeding 70 FPS. At 1440p, Medium settings at 77.3 FPS and High at 65.1 FPS are playable, but 4K Ultra at 27 FPS is not recommended.

Q: How does the RX 6700 XT compare to its closest rivals?

A: The GPU’s average benchmark score of 33721 places it 0.7% above the AMD Radeon RX 6800, 1% above the AMD Radeon RX 480, and 1.3% above the NVIDIA RTX A5000. These are marginal differences, indicating the 6700 XT is well-positioned in its performance tier.

Q: Is the i5-12400F a bottleneck for the RX 6700 XT?

A: Based on the frame rate scaling, the CPU is not the limiting factor. At 1080p Low, the system achieves 167.2 FPS, which suggests the GPU is still the constraint even at lower resolutions. The CPU’s 77th percentile ranking supports that it has sufficient headroom.

Q: What frame rate can I expect at 1440p High settings?

A: The measured average is 65.1 FPS at 2560x1440 with High settings. This is above the 60 FPS threshold for smooth play, but users with high-refresh monitors may prefer Medium settings at 77.3 FPS for better fluidity.

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

A: The combo ranks 923rd out of 1717 tested combinations, placing it in the 54th percentile. This indicates a mid-tier position, reflecting that while the components are capable, many higher-end configurations offer better performance in Rust.

Q: What is the difference between Low and Ultra at 1080p?

A: Low settings produce 167.2 FPS, while Ultra produces 70.4 FPS at 1920x1080. This represents a 58% reduction in frame rate, showing that Rust’s Ultra preset imposes a significant rendering cost on the GPU.

How This Combo Ranks

The combo’s rank of 923 out of 1717 tested configurations places it in the lower-middle portion of the database. This ranking reflects the balance between the i5-12400F’s solid CPU performance and the RX 6700 XT’s mid-range GPU capabilities. While the CPU sits in the 77th percentile among all processors, the GPU also holds a 77th percentile ranking, meaning both components are above average individually, but the combination does not break into the upper tier of gaming systems.

The rank suggests that there are 794 configurations that perform better in Rust, likely featuring higher-end GPUs like the RX 6800 or RTX A5000, which the 6700 XT trails by 0.7% and 1.3% respectively. However, the combo’s position is not a poor one; it outperforms many older or lower-tier pairings. The measured data confirms that this system is viable for 1080p gaming at high refresh rates, with the 1440p experience being adequate for most titles, though 4K gaming is limited to lower presets.

Measured FPS Breakdown

At 1920x1080, the system delivers its strongest results. Low settings produce an average of 167.2 FPS, Medium yields 108.5 FPS, High achieves 95.5 FPS, and Ultra drops to 70.4 FPS. These figures show that the combo can drive high-refresh monitors at 1080p, even with Ultra settings, as long as the user is comfortable with 70 FPS. The gap between Low and Ultra is substantial, at 96.8 FPS, indicating that Rust’s quality presets have a major impact on GPU load.

Moving to 2560x1440, the frame rates become more moderate. Low settings average 115.4 FPS, Medium hits 77.3 FPS, High reaches 65.1 FPS, and Ultra falls to 46.9 FPS. The 1440p results are playable for most presets, but Ultra dips below the 60 FPS line, making it less desirable for competitive play. The scaling from 1080p to 1440p shows a 31-33% reduction across presets, consistent with the increased pixel count.

At 3840x2160, the system’s limits become apparent. Low settings average 66.7 FPS, Medium drops to 47.3 FPS, High falls to 37.5 FPS, and Ultra bottoms out at 27 FPS. The 4K results are largely below ideal playability thresholds, with only Low settings maintaining a comfortable frame rate. The Ultra preset’s 27 FPS is the weakest measured result, confirming that 4K gaming is not this combo’s strength.

Settings Recommendations

For users prioritizing high refresh rates at 1080p, the Low preset at 167.2 FPS provides the smoothest experience, but Medium at 108.5 FPS offers a better balance of visual quality and performance. High at 95.5 FPS is also excellent for 1080p, giving users a substantial visual upgrade over Medium with only a 12% frame rate penalty. Ultra at 70.4 FPS remains playable and is recommended for those who value image quality over frame rate, as it stays above the 60 FPS target.

At 1440p, Medium settings at 77.3 FPS deliver the best overall experience, offering smooth gameplay with reasonable visual fidelity. High at 65.1 FPS is acceptable for slower-paced gameplay, but users with 144Hz monitors should stick with Medium. Low at 115.4 FPS is ideal for competitive play where frame rate is paramount. Ultra at 46.9 FPS is not recommended, as it falls below the 60 FPS threshold and shows the GPU struggling with the load.

For 4K resolution, the only viable preset is Low at 66.7 FPS, which provides a playable experience with significantly reduced visual quality. Medium at 47.3 FPS is borderline, and High at 37.5 FPS and Ultra at 27 FPS are not recommended for consistent gameplay. The data suggests that 4K users should either accept Low settings or consider a more powerful GPU, as this combo is firmly optimized for 1080p and 1440p gaming.