Rust

# FAQ

Q: How does the AMD Ryzen 7 9800X3D compare to its closest rival in average benchmark score?

A: The Ryzen 7 9800X3D posts an average benchmark score of 37780, which places it just 0.1% behind the Intel Xeon 6353P (37811). It also trails the Intel Core Ultra 5 225 (37831) by 0.1% and sits 0.6% behind the Intel Core i9-13900HK (38020).

Q: What is the RTX 5090's standing among all GPUs based on its percentile rank?

A: The NVIDIA GeForce RTX 5090 ranks in the 94th percentile among all GPUs, with an average benchmark score of 84306. Its closest rival, the RTX 5090 D, scores 84241, a difference of just 0.1%.

Q: What is the combo's rank in Rust among all tested system combinations?

A: This specific configuration—Ryzen 7 9800X3D paired with RTX 5090—ranks 6th out of 1717 tested combos in Rust. This places it in the top 0.3% of all system pairings tested for this game.

Q: How does the CPU's multi-threaded performance compare to its single-threaded performance in Cinebench R23?

A: The Ryzen 7 9800X3D scores 34004 in Cinebench R23 multi-core, which is roughly 7 times higher than its single-core score of 4800. This ratio is consistent with an 8-core, 16-thread processor leveraging its full thread count efficiently.

Q: What memory bandwidth does the CPU support, and what type of memory does it require?

A: The Ryzen 7 9800X3D supports DDR5 memory with a dual-channel bus, providing a memory bandwidth of 89.6 GB/s. It also supports ECC memory, which is uncommon for desktop-class processors.

Q: What is the RTX 5090's VRAM capacity and memory type?

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

# Settings Recommendations

The measured FPS data across resolutions and settings reveals a clear pattern: the "Low" preset consistently delivers the highest frame rates, while "Ultra" produces the lowest. For players prioritizing smooth, responsive gameplay, the Low preset at 1080p offers the best experience with an average of 256.5 FPS. However, the data shows that the gap between Low and Medium narrows as resolution increases.

At 1440p, the Low preset still leads with 228 FPS, but Medium delivers 151.5 FPS—a 33.6% reduction. The High preset at 1440p achieves 129.2 FPS, which remains well above the 60 FPS threshold for smooth play. For those with 4K displays, the Low preset is the only option that stays comfortably above 120 FPS, hitting 132.9 FPS, whereas Medium drops to 89.5 FPS and High falls to 73.6 FPS.

The most balanced recommendation across all resolutions is the High preset at 1440p. It provides a substantial visual upgrade over Low while maintaining an average of 129.2 FPS—more than double the 4K Ultra result of 61 FPS. Players on 1080p monitors can afford to use Ultra, which still yields 143.2 FPS, but the marginal visual gains over High (188.6 FPS) come at a 24% performance cost.

For competitive play, the Low preset at 1080p with 256.5 FPS is the clear choice, offering the highest headroom for demanding scenes. The data suggests that Rust's optimization favors lower settings disproportionately at higher resolutions, making the Low preset the safest bet for maintaining high frame rates on 4K displays.

# GPU Role

The RTX 5090's specifications paint a picture of a GPU built for extreme throughput. With 32 GB of GDDR7 memory on a 512-bit bus and 1.79 TB/s of bandwidth, the card has ample resources for large textures and complex scenes. Its 21760 shading units, 680 TMUs, and 176 ROPs provide the raw compute necessary for high-resolution rendering.

The boost clock of 2407 MHz, combined with 104.8 TFLOPS of FP32 performance, indicates that the GPU is capable of substantial parallel processing. In Rust, the measured FPS data shows that the GPU's role becomes more pronounced at higher resolutions. At 1080p, the difference between Low (256.5 FPS) and Ultra (143.2 FPS) is 113.3 FPS, but at 4K, this gap narrows to 71.9 FPS (132.9 vs 61). This suggests that at 1080p, the GPU is not fully saturated, allowing the CPU to drive performance.

The RTX 5090's 94th percentile ranking among all GPUs, with an average benchmark score of 84306, places it near the top of the performance hierarchy. Its closest rival, the RTX 5090 D, is virtually identical in score (84241), while the AMD Radeon PRO W6600 trails by 1.3%. The GPU's memory bandwidth of 1.79 TB/s is particularly relevant for Rust's large, persistent world, where streaming assets and handling draw distances can be memory-intensive.

# How This Combo Ranks

This combination of Ryzen 7 9800X3D and RTX 5090 ranks 6th out of 1717 tested combos in Rust, placing it in the 99.7th percentile of all system configurations. This top-tier ranking reflects the synergy between a CPU that sits in the 90th percentile among all processors and a GPU in the 94th percentile.

The rank suggests that only 5 other combinations outperform this pairing in Rust's specific workload. Given that the CPU's average benchmark score (37780) is within 0.7% of its nearest rivals (Intel Core i5-13600KF at 38028), and the GPU's score (84306) is within 1.6% of its nearest competitor (NVIDIA CMP 40HX at 85637), the high ranking likely stems from the combination's balanced capabilities rather than any single component dominating.

The data indicates that this combo is particularly well-suited to Rust's demands, as the game's performance is often bound by both CPU and GPU depending on the scene. The 6th-place finish out of 1717 combos demonstrates that this pairing is near-optimal for the game, with only a handful of configurations—likely featuring even newer or more specialized hardware—managing to outperform it.

# CPU Role

The Ryzen 7 9800X3D's 8 cores and 16 threads, based on the Zen 5 architecture (Granite Ridge), provide a solid foundation for Rust's multi-threaded workloads. Its base clock of 4.70 GHz and boost clock of 5.20 GHz are notably high, and the 96 MB of shared L3 cache is a standout feature for gaming performance.

In Cinebench R23, the CPU scores 34004 multi-core and 4800 single-core, demonstrating strong balanced performance. The 3DMark results show scaling from 1212 (single-thread) to 10081 (16 threads), indicating that the processor efficiently utilizes additional threads. The PassMark multithread score of 40009, with a single-thread score of 4430, further confirms this pattern.

The CPU's 90th percentile ranking among all processors, with an average benchmark score of 37780, places it in the upper echelon. Its nearest rival, the Intel Core i5-13600KF, scores 38028—just 0.7% higher—suggesting that in Rust, the 9800X3D's large L3 cache may provide a tangible benefit in scenarios where data reuse is high.

At 1080p, the CPU's role is evident in the FPS data: the difference between Low (256.5 FPS) and Ultra (143.2 FPS) is substantial, and even the lowest setting achieves frame rates that would be CPU-bound on lesser processors. The high boost clock and large cache likely help maintain these frame rates consistently, even in complex scenes with many entities.

# Measured FPS Breakdown

At 1920x1080, the measured average FPS ranges from 256.5 (Low) to 143.2 (Ultra). The Medium preset achieves 222.1 FPS, while High delivers 188.6 FPS. The progression from Low to Ultra shows a steady decline: Low to Medium is a 13.4% drop, Medium to High is a 15.1% drop, and High to Ultra is a 24.1% drop.

At 2560x1440, the averages are 228 (Low), 151.5 (Medium), 129.2 (High), and 101.2 (Ultra). The drop from Low to Medium is 33.6%, which is more pronounced than at 1080p. Medium to High is a 14.7% decrease, and High to Ultra is a 21.7% decrease. The 1440p results show that the gap between Low and Medium widens with resolution, suggesting that the GPU becomes more of a limiting factor.

At 3840x2160, the averages are 132.9 (Low), 89.5 (Medium), 73.6 (High), and 61 (Ultra). The Low to Medium drop is 32.7%, while Medium to High is 17.8% and High to Ultra is 17.1%. Interestingly, the relative drops between Medium, High, and Ultra are more consistent at 4K, indicating a more uniform scaling of GPU load across these settings.

The data shows that at every resolution, the Low preset provides a significant FPS advantage over Medium, with the gap ranging from 13.4% at 1080p to 33.6% at 1440p. This suggests that the Low preset removes a substantial GPU workload, potentially related to shadow quality or texture filtering.

# Resolution Scaling

Moving from 1080p to 1440p, the FPS drops are consistent across settings: Low falls from 256.5 to 228 (11.1% reduction), Medium from 222.1 to 151.5 (31.8%), High from 188.6 to 129.2 (31.5%), and Ultra from 143.2 to 101.2 (29.3%). The smaller drop at Low suggests that at this setting, the CPU is more of a limiting factor than the GPU.

From 1440p to 4K, the reductions are more severe: Low drops from 228 to 132.9 (41.7%), Medium from 151.5 to 89.5 (40.9%), High from 129.2 to 73.6 (43.0%), and Ultra from 101.2 to 61 (39.7%). The consistency of these drops—all around 40%—indicates that at 4K, the GPU is the dominant bottleneck across all settings.

The overall scaling from 1080p to 4K shows: Low drops 48.2%, Medium 59.7%, High 61.0%, and Ultra 57.4%. The fact that the Low preset has the smallest total drop suggests that even at 4K, the CPU's capabilities (8 cores, 16 threads, 96 MB L3 cache) are able to sustain a relatively high frame rate of 132.9 FPS, whereas higher settings place increasing demands on the GPU.

This scaling analysis reveals that Rust's performance is CPU-bound at 1080p Low (where the RTX 5090 is underutilized), transitions to a balanced state at 1440p Medium/High, and becomes firmly GPU-bound at 4K. The CPU's strong single-thread performance (Cinebench R23 single-core score of 4800) helps maintain high frame rates even at 4K Low, while the GPU's 1.79 TB/s bandwidth and 32 GB VRAM are sufficient to handle the increased pixel count without memory-related stutters.