Rust

FAQ

Q: How does the AMD Ryzen 9 9900X3D perform in CPU-bound benchmarks relative to its nearest rivals?

A: The Ryzen 9 9900X3D posts an average benchmark score of 54,762, placing it just 0.6% behind the Intel Core Ultra 5 245KF (55,093) and 1.3% ahead of the Intel Core Ultra 5 245K (54,053). It also leads the Intel Xeon 6505P by 2.0% and the Intel Core i7-14700F by 2.1% in average score.

Q: What is the GPU's standing among all tested graphics cards?

A: The AMD Radeon RX 6750 XT sits at the 71st percentile among all GPUs, with an average benchmark score of 26,011. Its closest rival is the AMD Radeon R9 M395X at 25,891, a mere 0.5% difference, followed by the AMD FirePro W7100 at 0.6% and the AMD FirePro D700 at 0.7% behind.

Q: How does the combo rank in Rust specifically?

A: This CPU-GPU combination ranks 1,282 out of 2,953 tested combos in Rust, placing it in the upper half of all configurations tested for this game.

Q: What is the best average FPS achievable at 1080p with this hardware?

A: At 1080p with Low settings, the combo achieves an average of 173 FPS, the highest measured result across all resolutions and settings. Medium settings deliver 116 FPS, High settings yield 98 FPS, and Ultra drops to 75 FPS.

Q: Does the CPU or GPU become the limiting factor at higher resolutions?

A: The data indicates a progressive FPS decline from 1080p to 4K across all settings, with the largest drop occurring between 1080p Low (173 FPS) and 4K Low (70 FPS). This scaling pattern suggests the GPU becomes increasingly dominant as resolution rises, particularly at lower settings where the CPU has less overhead.

Q: What is the launch MSRP of each component?

A: The AMD Ryzen 9 9900X3D has a launch MSRP of $599, while the AMD Radeon RX 6750 XT has a launch MSRP of 549 USD.

GPU Role

The AMD Radeon RX 6750 XT brings 12 GB of GDDR6 memory on a 192-bit bus, delivering 432.0 GB/s of bandwidth. Its clock speeds are set at a 2150 MHz base, 2495 MHz game clock, and 2600 MHz boost, with memory running at 2250 MHz (18 Gbps effective). These specifications place the GPU at the 71st percentile overall, indicating solid mid-range performance.

In Rust, the GPU's role is most apparent at higher resolutions. At 4K, the gap between Low (70 FPS) and Ultra (30 FPS) settings is 40 FPS, showing that the GPU's shading units (2,560) and texture mapping units (160) are heavily taxed by the game's visual demands. The 12 GB VRAM capacity proves sufficient even at 4K Ultra, as the frame rates remain playable despite the load.

The GPU's RDNA 2.0 architecture with 40 ray accelerators and 64 ROPs handles the game's rendering pipeline efficiently, but the data shows that at 4K, the card is the primary bottleneck. The transition from 1080p Ultra (75 FPS) to 4K Ultra (30 FPS) represents a 60% reduction, a steep penalty that aligns with the GPU's pixel rate of 166.4 GPixel/s being overwhelmed by the 8.3 million pixel count at 3840x2160.

Interestingly, the GPU's DirectX 12 Ultimate support (12_2) and Vulkan 1.4 API compatibility allow Rust to leverage modern rendering paths, but the measured FPS at 4K suggests the card's 13.31 TFLOPS FP32 compute is the limiting factor. The texture rate of 416.0 GTexel/s is adequate for 1080p and 1440p gaming, as evidenced by the strong frame rates at those resolutions.

Settings Recommendations

The measured data provides clear guidance for optimal settings based on resolution. At 1080p, Low settings deliver 173 FPS, which is ideal for competitive play or high-refresh-rate monitors. However, Medium settings at 116 FPS offer a better balance, providing a 43% improvement in visual quality over Low while still maintaining well over 100 FPS. High settings at 98 FPS are acceptable for those prioritizing visuals, but Ultra at 75 FPS represents a significant drop that may not justify the graphical gains.

At 1440p, the recommendation shifts. Low settings achieve 119 FPS, which is excellent for smooth gameplay. Medium settings at 80 FPS remain fluid and offer a substantial visual upgrade. High settings at 68 FPS are playable but approach the threshold where frame pacing becomes noticeable. Ultra at 51 FPS is the least recommended option at this resolution, as the visual fidelity increase does not compensate for the 29 FPS drop from Medium.

At 4K, the choices are more constrained. Low settings at 70 FPS provide a playable experience, making it the only setting that comfortably exceeds 60 FPS. Medium settings at 47 FPS are marginal, with a minimum of 40 FPS that could cause stuttering in busy scenes. High settings at 40 FPS and Ultra at 30 FPS are not recommended for sustained gameplay, as they fall below the threshold for fluid motion.

The best experience per the measured rows is 1080p Medium at 116 FPS, which offers a strong compromise between visual quality and performance. For users with 1440p displays, 1440p Medium at 80 FPS is the sweet spot, providing 68 FPS minimum and 92 FPS maximum, indicating stable frame delivery.

How This Combo Ranks

This specific combination of the AMD Ryzen 9 9900X3D and AMD Radeon RX 6750 XT ranks 1,282 out of 2,953 tested combos in Rust, placing it in the 43rd percentile of all configurations. This ranking is notable because the CPU itself sits at the 91st percentile among all processors, while the GPU is at the 71st percentile. The discrepancy suggests that the GPU is holding back the combo's overall position.

The CPU's strong multi-threaded performance, evidenced by a Cinebench R23 multicore score of 47,737 and a Passmark multithread score of 56,154, provides ample headroom for Rust's simulation and physics calculations. However, the GPU's mid-range positioning limits the combo's ability to push high frame rates at demanding settings.

Compared to the CPU's nearest rivals, the combo's ranking is influenced by the GPU pairing. The Intel Core Ultra 5 245KF, which scores 0.6% higher on average, would likely achieve a similar Rust ranking when paired with the same GPU, as the CPU is not the bottleneck in most scenarios. The GPU's nearest rivals, such as the AMD Radeon R9 M395X (0.5% lower score), would likely produce very similar Rust performance, confirming that the RX 6750 XT is a consistent performer within its class.

The combo's rank of 1,282 out of 2,953 indicates that it outperforms roughly 57% of tested configurations in Rust. This is a solid result for a mid-range GPU paired with a high-end CPU, but it also highlights that users seeking top-tier Rust performance would need a more powerful graphics card to fully utilize the CPU's capabilities.

Resolution Scaling

The FPS scaling from 1080p to 4K reveals important insights about the system's bottleneck. At Low settings, the average FPS drops from 173 at 1080p to 119 at 1440p (a 31% reduction) and then to 70 at 4K (a 41% further reduction). This pattern shows that even at Low settings, the GPU is the limiting factor as resolution increases, because the CPU has sufficient headroom to feed the GPU at all resolutions.

At Medium settings, the progression is 116 FPS (1080p) to 80 FPS (1440p) to 47 FPS (4K), representing a 31% and 41% drop respectively. The consistent percentage drops across Low and Medium settings suggest that the GPU's compute resources scale predictably with pixel count. The 4K Medium minimum of 40 FPS indicates occasional frame dips, likely during complex scenes with many entities.

High settings show a different pattern: 98 FPS (1080p) to 68 FPS (1440p) to 40 FPS (4K), with drops of 31% and 41%. Ultra settings follow the same trend: 75 FPS to 51 FPS to 30 FPS, with identical percentage reductions. This uniformity across all settings is a strong indicator that the GPU is the sole bottleneck at higher resolutions, as the CPU's performance remains constant regardless of resolution.

The data supports a clear conclusion: the AMD Ryzen 9 9900X3D is not the limiting component in Rust at any resolution. Even at 1080p Low with 173 FPS, the CPU's 24 threads and 128 MB of L3 cache are sufficient to maintain high frame rates. The GPU, with its 12 GB VRAM and 432.0 GB/s bandwidth, becomes the constraint as resolution increases, particularly at 4K where even Low settings struggle to hold 70 FPS.

Measured FPS Breakdown

1920x1080 (1080p):

• Low: 173 FPS average — the highest result in the entire dataset, indicating the CPU-GPU combination excels at lower graphical loads.
• Medium: 116 FPS average, with a minimum of 99 FPS and maximum of 134 FPS. This range shows stable frame delivery with only minor dips.
• High: 98 FPS average — a 15.5% drop from Medium, reflecting the increased shading and texture demands.
• Ultra: 75 FPS average — a 23.5% reduction from High, making this the least efficient setting at 1080p.

2560x1440 (1440p):

• Low: 119 FPS average — a 31% decrease from 1080p Low, but still highly playable.
• Medium: 80 FPS average, with a minimum of 68 FPS and maximum of 92 FPS. The 12 FPS spread between min and max indicates good frame pacing.
• High: 68 FPS average — a 15% drop from Medium, approaching the 60 FPS threshold for smooth gameplay.
• Ultra: 51 FPS average — a 25% reduction from High, making this setting marginal for most users.

3840x2160 (4K):

• Low: 70 FPS average — the only 4K setting that exceeds 60 FPS, providing a viable option for 4K gaming.
• Medium: 47 FPS average, with a minimum of 40 FPS and maximum of 54 FPS. The 14 FPS spread suggests occasional frame drops in demanding scenes.
• High: 40 FPS average — a 15% drop from Medium, pushing the experience below the smoothness threshold.
• Ultra: 30 FPS average — the lowest result in the dataset, representing a 57% reduction from 1080p Ultra (75 FPS).

Across all resolutions, the Medium preset consistently offers the best balance of visual quality and performance, with 1080p Medium providing the highest frame rate per unit of graphical fidelity. The data confirms that this combo is best suited for 1080p and 1440p gaming, with 4K playable only at Low settings.