Rust

# Rust with AMD Ryzen 7 5800XT + AMD Radeon RX 6750 XT

This combination of the AMD Ryzen 7 5800XT and AMD Radeon RX 6750 XT delivers a playable Rust experience across most settings, though the data shows clear limits at 4K Ultra where average FPS drops to 30. The combo ranks 1700 out of 3723 tested combinations, placing it in the upper-middle tier of systems tested for this survival title. The CPU's 8 cores and 16 threads at a boost clock of 4.80 GHz pair with the GPU's 12 GB of GDDR6 memory on a 192-bit bus to produce strong 1080p results, with the 70 FPS at 4K Low indicating that this pairing can handle Rust's demanding environments when settings are adjusted appropriately.

FAQ

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

A: At 1080p, the system delivers 173 FPS on Low settings and 75 FPS on Ultra, making it the smoothest experience. At 1440p, results range from 119 FPS on Low to 51 FPS on Ultra, while 4K drops to between 70 FPS on Low and 30 FPS on Ultra.

Q: How does this combo rank among all tested systems for Rust?

A: The combination ranks 1700 out of 3723 tested combos, putting it in the 54th percentile of all systems benchmarked for this game.

Q: Which component limits performance at 4K Ultra?

A: The data shows a steep drop from 75 FPS at 1080p Ultra to 30 FPS at 4K Ultra, a 60% reduction. Given the GPU's 12 GB memory and the demanding pixel workload at 3840x2160, the RX 6750 XT becomes the primary constraint at higher resolutions.

Q: Is the CPU strong enough for Rust's multi-threaded workload?

A: The Ryzen 7 5800XT scores 23794 in Cinebench R23 multi-core and 3359 in single-core, with a passmark multi-thread score of 28053. These results indicate the 8-core, 16-thread processor handles Rust's simulation and physics demands without bottlenecking the GPU at lower resolutions.

Q: What is the FPS difference between Low and Ultra settings at 1440p?

A: At 2560x1440, Low settings produce 119 FPS while Ultra produces 51 FPS, a difference of 68 FPS. Medium settings land at 80 FPS, and High at 68 FPS.

Q: Does the GPU's 12 GB VRAM matter for Rust?

A: Yes, Rust's large maps and frequent asset loading benefit from the 12 GB GDDR6 memory. The 432.0 GB/s bandwidth supports the texture streaming demands, especially at 4K where the GPU is clearly the limiting factor.

GPU Role

The AMD Radeon RX 6750 XT, built on the RDNA 2.0 architecture with the Navi 22 chip, provides the graphical horsepower for this combo. Its 12 GB of GDDR6 memory on a 192-bit bus delivers 432.0 GB/s of bandwidth, which proves adequate for Rust's texture-heavy environments at 1080p and 1440p. The GPU's boost clock of 2600 MHz and game clock of 2495 MHz drive the 2560 shading units, 160 texture mapping units, and 64 render output units.

The data shows the GPU's role shifts dramatically across resolutions. At 1080p Low, the system achieves 173 FPS, indicating the GPU has ample headroom. At 1080p Ultra, FPS drops to 75, showing the increased shader and texture load. The GPU's 40 ray tracing cores and 13.31 TFLOPS of FP32 performance handle Rust's lighting and shadow calculations, though the game does not heavily utilize ray tracing.

At 4K, the GPU becomes the clear bottleneck. The 4K Ultra result of 30 FPS and 4K Medium's 47 FPS (with min FPS of 40 and max of 54) demonstrate that the 6750 XT struggles with the pixel throughput required at 3840x2160. The 4K Low result of 70 FPS shows that reducing graphical complexity allows the GPU to keep up, but the gap between Low and Ultra at 4K (40 FPS difference) highlights how sensitive this GPU is to settings changes at high resolution.

The GPU's percentile ranking of 71 among all GPUs, with an average benchmark score of 26011, places it slightly above the AMD Radeon R9 M395X (25891, +0.5%) and AMD FirePro W7100 (25856, +0.6%) in synthetic tests. This mid-tier positioning explains why it excels at 1080p but falls short at 4K Ultra in Rust.

How This Combo Ranks

This CPU-GPU pairing ranks 1700 out of 3723 tested combinations for Rust, placing it in the upper half of all systems benchmarked. This ranking reflects a balanced pairing where neither component catastrophically bottlenecks the other at most settings, but the overall performance ceiling is constrained by the GPU at high resolutions.

The rank of 1700 out of 3723 means approximately 45% of tested combos perform better in Rust. This is consistent with the GPU's 71st percentile ranking among all GPUs, suggesting that the graphics card is the primary determinant of the combo's position. The CPU's 81st percentile ranking among all CPUs shows it has more headroom than the GPU.

The deltaPct values from the GPU's nearest rivals put the 6750 XT within 1.1% of the NVIDIA GeForce RTX 3080 Ti Mobile (25740), 0.7% of the AMD FirePro D700 (25842), and 0.6% of the AMD FirePro W7100 (25856). These close synthetic scores suggest that in Rust, this combo would perform similarly to systems using those GPUs, though real-world game performance can vary from synthetic benchmarks.

The combo's measured FPS data shows consistent scaling: at 1080p, the system averages 173 FPS on Low, 116 on Medium, 98 on High, and 75 on Ultra. At 1440p, these numbers become 119, 80, 68, and 51 respectively. At 4K, they drop to 70, 47, 40, and 30. This tiered performance profile explains the mid-pack ranking—the system is capable at mainstream resolutions but falls behind higher-end combos at 4K.

Measured FPS Breakdown

At 1920x1080, the combination delivers its strongest results. Low settings produce an average of 173 FPS, which is smooth for Rust's fast-paced combat and building mechanics. Medium settings yield 116 FPS with a minimum of 99 and maximum of 134, showing consistent frame times. High settings drop to 98 FPS, while Ultra brings the average down to 75 FPS. The 98 FPS delta between Low and Ultra at 1080p illustrates the significant performance cost of maximum graphical fidelity.

Moving to 2560x1440, the system maintains playability across all settings. Low produces 119 FPS, which remains highly responsive. Medium averages 80 FPS with a range of 68 to 92, providing a good balance. High settings drop to 68 FPS, and Ultra falls to 51 FPS. The 68 FPS difference between Low and Ultra at 1440p shows the GPU's increasing workload as pixel count rises.

At 3840x2160, the results become more constrained. Low settings average 70 FPS, which is acceptable for most players. Medium averages 47 FPS with a minimum of 40 and maximum of 54, indicating noticeable frame dips during intense scenes. High settings produce 40 FPS, and Ultra drops to 30 FPS, which is below the threshold for comfortable play in a competitive survival game. The 40 FPS gap between Low and Ultra at 4K demonstrates that this GPU cannot handle maximum settings at this resolution.

The medium settings at each resolution provide the most stable frame times, with the smallest spread between minimum and maximum FPS values. At 1080p Medium, the spread is 35 FPS (99 to 134); at 1440p Medium, it is 24 FPS (68 to 92); and at 4K Medium, it is 14 FPS (40 to 54). This suggests that Medium settings offer the best consistency relative to their average FPS.

Resolution Scaling

The FPS scaling from 1080p to 4K reveals the system's performance characteristics. At Low settings, 1080p produces 173 FPS, 1440p produces 119 FPS (a 31% drop), and 4K produces 70 FPS (a 60% drop from 1080p). This scaling is steeper than the pure pixel count increase would suggest, indicating that Rust's rendering load grows non-linearly with resolution.

At Ultra settings, the drops are even more pronounced: 1080p at 75 FPS drops to 51 FPS at 1440p (32% drop) and then to 30 FPS at 4K (60% drop from 1080p). The consistent 60% reduction from 1080p to 4K across settings points to the GPU being the limiting factor—if the CPU were the bottleneck, the FPS would not scale as cleanly with resolution.

The data shows that the GPU's 12 GB VRAM and 432.0 GB/s bandwidth become insufficient as resolution increases. At 4K, the pixel fill rate of 166.4 GPixel/s and texture rate of 416.0 GTexel/s are stretched thin by the 8.3 million pixels (calculated from 3840x2160) that must be rendered each frame. The 4K Medium result of 47 FPS with a minimum of 40 indicates that even moderate settings push the GPU to its limits.

This scaling pattern suggests that at 1080p, the system has headroom in both CPU and GPU, allowing the Ryzen 7 5800XT to feed frames efficiently. At 1440p, the balance shifts toward the GPU, and at 4K, the GPU is clearly the dominant constraint. The 70 FPS at 4K Low versus the 173 FPS at 1080p Low shows that even with minimal graphical settings, the GPU cannot maintain high frame rates at 4K.

CPU Role

The AMD Ryzen 7 5800XT, based on the Zen 3 architecture with the Vermeer codename, provides substantial processing power for Rust's simulation-heavy gameplay. Its 8 cores and 16 threads, with a base clock of 3.80 GHz and boost clock of 4.80 GHz, deliver strong multi-threaded performance. The 32 MB of shared L3 cache and 64 KB L1 cache per core help with Rust's frequent asset access and world data processing.

Benchmark data confirms the CPU's capability. The Cinebench R23 multi-core score of 23794 and single-core score of 3359 place it well above average. The 3DMark 16-thread score of 7683 and max-thread score of 7680 show consistent scaling across thread counts, while the single-thread score of 959 indicates solid per-core performance. The Passmark multi-thread score of 28053 and single-thread score of 3535 reinforce this picture.

The CPU's 81st percentile ranking among all CPUs, with an average benchmark score of 29879, puts it slightly ahead of the AMD Ryzen 7 7840H (29868, +0%) and AMD Ryzen 5 9600X (29713, +0.6%) in synthetic tests. The Ryzen 7 8845HS and 7840HS score 29955, which is 0.3% higher than the 5800XT. These close margins mean the CPU is not a limiting factor in Rust when paired with this GPU.

In Rust specifically, the CPU handles the game's server-side simulation, entity tracking, and physics calculations. The 8-core configuration with 16 threads ensures that the game's multi-threaded tasks do not create a bottleneck at 1080p, where the GPU can produce 173 FPS on Low. The fact that FPS scales consistently with resolution changes indicates the CPU maintains frame delivery even as GPU load increases.

The CPU's 105 W TDP and AM4 socket compatibility make it a practical choice for this pairing. Its DDR4 memory support with dual-channel configuration and 51.2 GB/s memory bandwidth match well with the GPU's 432.0 GB/s bandwidth, ensuring data can flow between components without creating a bottleneck. The 4,150 million transistors on a 74 mm² die at 7 nm process node demonstrate efficient design that keeps thermals manageable while delivering high performance.