Rust

# How This Combo Ranks

The AMD Ryzen 5 3600 paired with the NVIDIA GeForce RTX 3080 lands at rank 608 out of 1717 tested combos in Rust. That places this pairing in the 65th percentile of all tested system configurations, which is a solidly above-average position, though not elite. The ranking suggests that while the RTX 3080 is a powerful GPU, the Ryzen 5 3600 holds this combination back from reaching the upper echelons of Rust performance.

This combo's position becomes more interesting when examining the individual component rankings. The RTX 3080 sits at the 80th percentile among all GPUs, while the Ryzen 5 3600 ranks at the 76th percentile among all CPUs. The GPU is slightly stronger relative to its peers than the CPU, which hints at a mild processor bottleneck in certain scenarios. The combo rank of 608 out of 1717 reflects this balance—the system is greater than the sum of its parts in some ways, yet the CPU prevents the GPU from fully expressing its potential.

GPU Role

The RTX 3080 brings substantial memory resources to Rust, with 10 GB of GDDR6X across a 320-bit bus, delivering 760.3 GB/s of memory bandwidth. This is significant for Rust, which is known for large, persistent world data and frequent asset streaming. The memory clock runs at 1188 MHz, translating to 19 Gbps effective, and the GPU's base clock of 1440 MHz boosts to 1710 MHz. These clocks, combined with 8704 shading units, 272 TMUs, and 96 ROPs, give the card ample raw throughput for the game's rendering demands.

The GPU's benchmark scores reinforce its capability. Its PassMark G3D score of 25086 and average benchmark score of 35787 place it near the AMD Radeon RX 7900 GRE, which trails by just 0.9%. Interestingly, the RTX 3080's nearest rival by average score is the AMD Radeon Pro Duo, which edges it out by 0.2%, while the AMD Radeon 880M comes in 0.4% behind. This tight clustering indicates the RTX 3080 is still competitive with newer parts in raw compute terms.

In Rust specifically, the GPU's role becomes clear when examining the FPS data. At 4K Ultra, the combo manages 40.6 FPS, while dropping to 4K Low yields 87.8 FPS—a 116% improvement purely from settings changes. This massive swing demonstrates that the GPU is heavily taxed at higher presets, and the RTX 3080's 10 GB frame buffer appears sufficient even at 4K, as the game does not seem to be crippled by memory limitations at any tested setting.

CPU Role

The Ryzen 5 3600 provides 6 cores and 12 threads, with a base clock of 3.60 GHz boosting to 4.20 GHz. This Zen 2 architecture chip, built on a 7 nm process, features 32 MB of shared L3 cache and 512 KB of L2 per core. Its PassMark multithread score of 17700 and single-thread score of 2562 indicate solid mid-range performance, though its Cinebench R23 multi-core score of 15045 shows it is not a heavy hitter for heavily threaded workloads.

The CPU's benchmark profile places it in close competition with several rivals. Its average benchmark score of 18129 is nearly identical to the Intel Core i5-11400, which scores 18150 (a 0.1% delta). The AMD Ryzen 5 7535HS comes in 0.2% higher, while the Ryzen 5 1600 is 0.2% lower. This tight grouping suggests that the 3600 is well within the expected performance band for its generation, but also that it offers no significant advantage over its contemporaries.

In Rust, the CPU's influence is most visible at lower resolutions where the GPU is less taxed. At 1080p Low, the combo produces 148.6 FPS, but at 1080p Ultra, it drops to 92.3 FPS. The spread between Low and Ultra at 1080p is 56.3 FPS, which is smaller than the 71.2 FPS spread at 4K between Low and Ultra. This suggests that at 1080p, the CPU is becoming a limiting factor, as the GPU has enough headroom to render frames quickly but the processor cannot feed it fast enough to maintain higher frame rates.

Measured FPS Breakdown

The measured FPS data provides a comprehensive picture of how this combo performs across resolutions and settings. At 1920x1080, the combo delivers 148.6 FPS on Low, 128.4 FPS on Medium, 123.1 FPS on High, and 92.3 FPS on Ultra. The progression from Low to Medium shows a 20.2 FPS drop, while Medium to High costs only 5.3 FPS, and High to Ultra costs 30.8 FPS—a steep penalty for the highest preset.

Moving to 2560x1440, the numbers shift downward as expected. Low yields 131.7 FPS, Medium produces 103.2 FPS, High delivers 83.5 FPS, and Ultra falls to 66.2 FPS. The delta between Low and Ultra here is 65.5 FPS, representing a 50% reduction in frame rate when maxing out settings. Notably, the gap between Medium and High at 1440p is 19.7 FPS, which is larger than the same gap at 1080p, indicating the GPU is becoming more of a limiting factor as resolution increases.

At 3840x2160, performance becomes more demanding. Low settings produce 87.8 FPS, which drops to 59.9 FPS on Medium, 47.4 FPS on High, and 40.6 FPS on Ultra. The gap between Low and Ultra at 4K is 47.2 FPS, with the largest single drop occurring between Low and Medium at 27.9 FPS. This pattern suggests that even at 4K, the GPU is still capable of playable frame rates on lower presets, but Ultra settings push it below the 60 FPS threshold.

Resolution Scaling

The scaling behavior across resolutions reveals important insights about the system's bottleneck characteristics. At Low settings, the FPS drops from 148.6 at 1080p to 131.7 at 1440p (an 11.4% reduction) and then to 87.8 at 4K (a 33.3% reduction from 1440p). This pattern shows that at Low settings, the system is partially CPU-limited at 1080p, as the GPU has enough headroom to handle the lower resolution without significant frame rate loss.

At Ultra settings, the scaling is more dramatic. The FPS drops from 92.3 at 1080p to 66.2 at 1440p (a 28.3% reduction) and then to 40.6 at 4K (a 38.7% reduction from 1440p). The increasingly steep drops at higher resolutions indicate that the GPU becomes the primary bottleneck as pixel count rises. The 1080p Ultra result of 92.3 FPS, which is relatively close to the 4K Low result of 87.8 FPS, further underscores that the GPU is the limiting component at higher settings.

The data suggests that the CPU bottleneck is most pronounced at 1080p Low, where the 148.6 FPS result is only 12.8% higher than the 1440p Low result of 131.7 FPS. If the GPU were the sole limiter, the 1440p result would be expected to be significantly lower relative to 1080p. This modest drop implies the CPU is holding back performance at 1080p Low, preventing the GPU from fully flexing its capabilities.

Settings Recommendations

For players targeting 60 FPS as a baseline, the data reveals that this combo can achieve that threshold across most settings and resolutions, with a few notable exceptions. At 4K, only Low settings (87.8 FPS) and Medium settings (59.9 FPS) manage to hit or exceed 60 FPS. High settings at 4K fall short at 47.4 FPS, and Ultra drops further to 40.6 FPS. Players wanting 4K should stick to Medium or Low for smooth gameplay.

At 1440p, the situation is more flexible. Low settings deliver 131.7 FPS, Medium hits 103.2 FPS, and High achieves 83.5 FPS—all comfortably above 60 FPS. Even Ultra at 66.2 FPS remains playable, though it approaches the threshold. For competitive play, Low or Medium settings at 1440p provide the best combination of visual clarity and high frame rates.

At 1080p, all settings produce playable results, with Low at 148.6 FPS, Medium at 128.4 FPS, High at 123.1 FPS, and Ultra at 92.3 FPS. The jump from High to Ultra costs 30.8 FPS, which is a significant penalty for what may be marginal visual gains. The sweet spot for 1080p appears to be High settings, which maintain over 120 FPS while still offering substantial visual fidelity improvements over Medium.

FAQ

Q: Is the RTX 3080 the limiting factor in this combo at 4K Ultra?

A: Yes, the data indicates GPU limitation at 4K Ultra, where the combo produces 40.6 FPS. The steep drops from 1440p Ultra (66.2 FPS) to 4K Ultra suggest the GPU is the primary bottleneck at this resolution and preset.

Q: How does the Ryzen 5 3600 compare to its nearest rival, the Intel Core i5-11400?

A: The Ryzen 5 3600 scores 18129 on average benchmarks, while the Intel Core i5-11400 scores 18150, a marginal 0.1% difference. This places the two processors at near-identical performance levels.

Q: Can this combo maintain 60 FPS at 1440p with High settings?

A: Yes, the measured data shows 83.5 FPS at 2560x1440 with High settings, which is well above the 60 FPS threshold. Even Ultra settings at 1440p manage 66.2 FPS.

Q: What is the biggest FPS drop when increasing settings at 1080p?

A: The largest drop at 1920x1080 occurs between High (123.1 FPS) and Ultra (92.3 FPS), a reduction of 30.8 FPS. This is a significantly larger penalty than the 5.3 FPS difference between Medium and High.

Q: How does the RTX 3080's benchmark score compare to the AMD Radeon RX 7900 GRE?

A: The RTX 3080 has an average benchmark score of 35787, while the AMD Radeon RX 7900 GRE scores 36101. The RX 7900 GRE leads by 0.9%, placing the two cards in close performance proximity.

Q: Is the combo more CPU-limited at 1080p Low or 4K Low?

A: The data suggests more CPU limitation at 1080p Low, where the FPS is 148.6. The modest 11.4% drop to 131.7 FPS at 1440p Low indicates the CPU is holding back performance, whereas the larger drop to 87.8 FPS at 4K Low shows the GPU becoming the dominant factor.