Rust

CPU Role — cores, clocks, and how they relate to this game's results

The AMD Ryzen 5 9600X is a 6-core, 12-thread processor built on the Zen 5 architecture, codenamed Granite Ridge, and manufactured on a 4 nm process at TSMC. Its base clock of 3.90 GHz and boost clock of 5.40 GHz provide the foundation for its performance in Rust. The CPU's cache configuration includes 80 KB of L1 per core, 1 MB of L2 per core, and 32 MB of shared L3 cache, which is relevant for a game like Rust that involves complex world simulation and item interactions.

Benchmark results place this CPU in the 81st percentile among all tested processors, with an average benchmark score of 29713. Its nearest rivals in the CPU benchmark database include the AMD Ryzen 7 PRO 5755GE (0.2% ahead), the AMD Ryzen 7 7840H (0.5% behind), the AMD Ryzen 7 5800XT (0.6% behind), and the AMD Ryzen 7 8845HS (0.8% behind). These scores indicate that the 9600X performs essentially on par with those 8-core parts in synthetic workloads, despite having fewer cores, which suggests strong per-core efficiency.

In Rust specifically, the measured FPS data reveals how the CPU interacts with the GPU across different settings and resolutions. At 1080p with Low settings, the combo achieves 268 FPS on average. This is the highest measured FPS in the entire dataset, and the fact that it comes at the lowest graphical load suggests the CPU is capable of feeding the GPU at high frame rates when the GPU is not the bottleneck. As settings increase to Medium at 1080p, the average drops to 230 FPS, and to 197 FPS at High. These are still very high frame rates, indicating that the 6-core/12-thread configuration with its 5.40 GHz boost clock is sufficient to drive Rust at competitive levels.

The CPU's single-thread performance, as measured by benchmarks, is notable. The 3dmark single-thread score is 1253, the Cinebench R23 single-core score is 2183.5, and the Geekbench single-core score is 2923. Rust relies heavily on a single main thread for many of its simulation tasks, so these scores are directly relevant. The PassMark single-thread score of 4570 further confirms strong single-threaded capability. The CPU also shows solid multi-threaded performance with a 3dmark max threads score of 7590, Cinebench R23 multi-core of 17528.5, and Geekbench multi-core of 14438, which helps when background processes or other game systems need attention.

The 65W TDP is modest for a desktop processor, and the DDR5 memory support with dual-channel configuration and 89.6 GB/s bandwidth ensures the CPU has adequate memory throughput for game data. The combination of 6 cores at high clocks with significant L3 cache (32 MB shared) appears well-suited for Rust's demands, as evidenced by the ability to reach 268 FPS at 1080p Low without the CPU becoming a limiting factor.

FAQ

Q: What is the highest average FPS this combo achieves in Rust, and at what settings/resolution?

A: The highest average FPS is 268, achieved at 1920x1080 resolution with Low settings. This is the top measured result across all configurations in the dataset.

Q: How does the CPU compare to its nearest rivals in synthetic benchmarks?

A: The Ryzen 5 9600X has an average benchmark score of 29713, putting it slightly behind the AMD Ryzen 7 7840H (-0.5%) and AMD Ryzen 7 5800XT (-0.6%), and slightly ahead of the AMD Ryzen 7 PRO 5755GE (0.2% ahead of the 9600X). The differences are all under 1%, indicating near-parity performance.

Q: What is the largest FPS drop between Low and Ultra settings at any resolution?

A: At 3840x2160, the drop from Low (141 FPS) to Ultra (61 FPS) is 80 FPS, which is a 56.7% reduction. At 2560x1440, the drop is from 237 to 103 FPS (a 134 FPS difference), and at 1920x1080, it drops from 268 to 150 FPS (a 118 FPS difference).

Q: Does this combo maintain playable frame rates at 4K Ultra settings?

A: Yes, at 3840x2160 with Ultra settings, the average FPS is 61, which is at the threshold of smooth playability for many users. The High setting at 4K yields 80 FPS, providing a more comfortable margin.

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

A: This combo ranks 13th out of 2953 tested combinations, placing it in the top 0.4% of all systems tested in Rust.

Q: What is the minimum FPS recorded for the Medium setting at 1080p?

A: The minimum FPS recorded for Medium settings at 1920x1080 is 196, with a maximum of 265 and an average of 230. This indicates consistent frame delivery without severe dips.

Resolution Scaling

The measured FPS data shows a clear progression as resolution increases, which reveals how the system's components scale with pixel count. At Low settings, the average FPS drops from 268 at 1080p to 237 at 1440p, and then to 141 at 4K. This represents a drop of 31 FPS (11.6%) from 1080p to 1440p, and a further drop of 96 FPS (40.5%) from 1440p to 4K. The large drop at 4K indicates that at Low settings, the GPU becomes more stressed as pixel count quadruples from 1080p to 4K, though the CPU is still keeping up.

At High settings, the scaling is similar: 197 FPS at 1080p, 136 FPS at 1440p, and 80 FPS at 4K. The percentage drops are 31.0% from 1080p to 1440p, and 41.2% from 1440p to 4K. This consistent pattern across settings suggests that the limiting component shifts predictably with resolution. At 1080p High, the CPU is likely the primary constraint, as the GPU has enough headroom to render frames quickly. As resolution increases, the GPU's workload grows, and by 4K High, the GPU is clearly the limiting factor, with the average dropping to 80 FPS.

The Medium settings row provides minimum and maximum FPS values, which offer additional insight. At 1080p Medium, the range is 196 to 265 FPS, with an average of 230. At 1440p Medium, the range is 136 to 185 FPS, averaging 161. At 4K Medium, the range is 81 to 109 FPS, averaging 95. The spread between minimum and maximum FPS is relatively consistent across resolutions, but the absolute values drop significantly. This suggests that while the frame delivery remains stable, the overall performance ceiling decreases as resolution increases.

The scaling behavior indicates that the RTX 5090 D is the dominant component at 4K, where the GPU must process 8.3 million pixels per frame. The CPU's role becomes more prominent at 1080p, where the GPU can render frames quickly enough to expose any CPU limitations. The fact that FPS still increases from 1080p to 1440p at all settings suggests the CPU is not a hard bottleneck even at lower resolutions, but the diminishing returns at 4K point to GPU-bound performance. Overall, this combo scales well with resolution, maintaining playable frame rates at every tested configuration, with the most demanding 4K Ultra setting still reaching 61 FPS.

Measured FPS Breakdown

At 1920x1080 resolution, the measured average FPS values are as follows: Low settings deliver 268 FPS, Medium delivers 230 FPS, High delivers 197 FPS, and Ultra delivers 150 FPS. The Medium setting also records a minimum of 196 FPS and a maximum of 265 FPS, showing a tight frame time distribution. The progression from Low to Ultra represents a 44.0% reduction in FPS, with each step from Low to Medium costing 38 FPS, Medium to High costing 33 FPS, and High to Ultra costing 47 FPS. This indicates that Ultra settings impose a significant additional load compared to High, likely due to increased draw distances and shadow quality.

Moving to 2560x1440, the average FPS values are 237 at Low, 161 at Medium, 136 at High, and 103 at Ultra. The Medium setting shows a minimum of 136 FPS and a maximum of 185 FPS. The drop from Low to Ultra at 1440p is 134 FPS, which is a 56.5% reduction. The gap between Medium and High at 1440p is 25 FPS, which is smaller than the 33 FPS gap at 1080p, suggesting that the GPU is beginning to feel the resolution increase. The Ultra setting at 1440p still delivers over 100 FPS on average, which is excellent for a game like Rust that can be demanding in complex scenes.

At 3840x2160, the average FPS values are 141 at Low, 95 at Medium, 80 at High, and 61 at Ultra. The Medium setting records a minimum of 81 FPS and a maximum of 109 FPS. The drop from Low to Ultra at 4K is 80 FPS, which is a 56.7% reduction. The gap between High and Ultra at 4K is 19 FPS, which is the smallest step between those two settings across all resolutions, indicating that the GPU is heavily loaded at 4K and the additional Ultra effects have a relatively smaller impact. The fact that even 4K Low delivers 141 FPS shows that this combo has substantial headroom, and the 61 FPS at 4K Ultra is right at the edge of smooth gameplay for many users.

Across all resolutions, the pattern is consistent: Low settings provide the highest FPS, followed by Medium, High, and Ultra in descending order. The Medium settings rows are the only ones with min/max FPS data, and they show that the frame delivery is smooth, with the minimum never dropping below 81 FPS even at 4K. The data demonstrates that this combo can handle Rust at high frame rates across a wide range of configurations, with the most extreme setting (4K Ultra) still achieving 60+ FPS.

GPU Role

The NVIDIA GeForce RTX 5090 D is a flagship GPU built on the Blackwell 2.0 architecture with the GB202 chip, manufactured on a 5 nm process at TSMC. It has a base clock of 2017 MHz and a boost clock of 2407 MHz, with memory running at 1750 MHz and 28 Gbps effective. The 32 GB of GDDR7 memory on a 512-bit bus provides a massive 1.79 TB/s of bandwidth, which is crucial for high-resolution textures and large game worlds like Rust's.

The GPU's compute capabilities are substantial: 21760 shading units, 680 TMUs, 176 ROPs, 170 RT cores, and 680 tensor cores. This translates to a pixel rate of 423.6 GPixel/s and a texture rate of 1,636.8 GTexel/s. The FP32 performance is 104.8 TFLOPS, with FP16 at the same 104.8 TFLOPS (1:1). These figures place the RTX 5090 D in the 92nd percentile among all GPUs, with an average benchmark score of 77712. Its nearest rivals include the AMD Radeon RX 6650M XT (1.1% ahead of the 5090 D), AMD Radeon RX 6850M XT (1.6% behind), and NVIDIA Tesla P100 variants (2.1% and 2.4% behind). The close margins to these rivals in synthetic benchmarks are notable, but in Rust the 5090 D's actual performance is what matters.

In Rust, the GPU's role becomes more apparent at higher resolutions. At 1080p Low, the GPU is underutilized, with the CPU pushing 268 FPS. As resolution increases to 4K, the GPU's workload grows significantly, and the FPS drops accordingly. The 32 GB VRAM is more than sufficient for Rust's textures, and the 1.79 TB/s bandwidth ensures no memory bottlenecks even at 4K Ultra. The GPU's ability to maintain 61 FPS at 4K Ultra, where the pixel count is 8.3 million, demonstrates its high fill rate and compute throughput.

The RTX 5090 D's power requirements are substantial, with a TDP of 575 W and a suggested PSU of 950 W. It uses a single 16-pin power connector and is dual-slot wide. The card measures 304 mm in length, 137 mm in height, and 48 mm in width. It supports PCIe 5.0 x16 and offers display outputs of 1x HDMI 2.1b and 3x DisplayPort 2.1b. The GPU's release date of 2025-01-29 makes it a current-generation product, and its predecessor is the GeForce 40 series. In Rust, the GPU's performance is clearly sufficient to drive even 4K Ultra settings at playable frame rates, and the bottleneck at lower resolutions shifts to the CPU, which still delivers excellent results.

Settings Recommendations

Based on the measured FPS data, the ideal settings depend on the user's resolution and refresh rate goals. At 1920x1080, the High setting delivers 197 FPS, which is well above the refresh rate of most high-end 1080p monitors (typically 144 Hz or 240 Hz). The Ultra setting at 1080p delivers 150 FPS, which is still very high and would satisfy most users. The Medium setting at 230 FPS is only useful for those with 240 Hz or higher refresh rate displays. For most 1080p users, High settings provide the best balance of visual quality and performance, as the 47 FPS drop from High to Ultra may not justify the visual gains.

At 2560x1440, the High setting delivers 136 FPS, which is ideal for 144 Hz monitors. The Ultra setting at 103 FPS is also playable but leaves less headroom for dips in demanding scenes. The Medium setting at 161 FPS would be suitable for 165 Hz or 170 Hz displays. The data suggests that High is the sweet spot at 1440p, offering a smooth experience with good visual fidelity. The gap between Medium and High at 1440p is 25 FPS, while the gap between High and Ultra is 33 FPS, indicating that Ultra's additional effects are relatively costly.

At 3840x2160, the High setting delivers 80 FPS, which is suitable for 60 Hz or 75 Hz displays, and even 144 Hz displays would benefit from the frame rate being above 60. The Medium setting at 95 FPS provides more headroom and is arguably the best choice for 4K, as the visual difference between Medium and High in Rust may not be substantial. The Ultra setting at 61 FPS is on the edge of playability, and users targeting stable 60 FPS would be better served by High or Ultra with some settings tweaked. The Low setting at 141 FPS is unnecessary at 4K, as the visual compromises would be too significant.

Overall, the recommended preset across all resolutions is High, as it consistently delivers high frame rates without the performance hit of Ultra. For users with high refresh rate monitors (240 Hz+), Medium at 1080p or 1440p provides the highest FPS with acceptable visuals. For 4K users, Medium or High are the best options, with Medium offering a 15 FPS advantage over High. The measured data shows that this combo never drops below 61 FPS in any configuration, so users have a wide range of choices depending on their priorities.

How This Combo Ranks

This combination of the AMD Ryzen 5 9600X and NVIDIA GeForce RTX 5090 D ranks 13th out of 2953 tested combos in Rust, placing it in the top 0.4% of all systems tested. This is an exceptional ranking, indicating that this pairing is among the most capable configurations in the database for this game. The rank reflects the combined performance of both components, and given the data, it's clear that both the CPU and GPU contribute to this high standing.

The CPU's 81st percentile ranking among all CPUs and the GPU's 92nd percentile ranking among all GPUs suggest that the GPU is the stronger component relative to its peers. However, in Rust, the CPU's performance is also critical due to the game's simulation-heavy nature. The fact that this combo ranks 13th overall means it outperforms many systems with higher-end CPUs or GPUs, likely due to the balanced nature of this pairing. The Ryzen 5 9600X's strong single-thread performance (Cinebench R23 single-core of 2183.5) complements the RTX 5090 D's massive compute power.

The nearest rivals in the CPU benchmark database (the Ryzen 7 PRO 5755GE, Ryzen 7 7840H, Ryzen 7 5800XT, and Ryzen 7 8845HS) all have similar average scores, within 1% of the 9600X. This suggests that the CPU is not the differentiator in this combo's ranking. Similarly, the GPU's nearest rivals in the database (RX 6650M XT, RX 6850M XT, and Tesla P100 variants) are all within 2.4% in average score, but the RTX 5090 D's real-world performance in Rust, as measured, is what matters.

The ranking of 13th out of 2953 combos means that only 12 other system configurations performed better in Rust. This is a remarkable achievement for a 6-core CPU paired with a flagship GPU, and it speaks to the efficiency of the Zen 5 architecture and the raw power of the Blackwell GPU. For users considering this combo, the data shows that it delivers top-tier performance in Rust, with the flexibility to handle any resolution and settings combination at playable frame rates. The fact that it achieves 268 FPS at 1080p Low and still manages 61 FPS at 4K Ultra demonstrates its versatility and strength.