Rust

The AMD Ryzen 7 3700X and NVIDIA GeForce RTX 4080 SUPER pairing produces a fascinating dataset in Rust, a game known for its CPU-heavy simulation and large multiplayer servers. The measured frames per second (FPS) across resolutions and settings reveal a system where the GPU’s immense power is frequently held in check by the processor’s Zen 2 architecture, creating a bottleneck profile that shifts dramatically depending on the graphics load. This analysis breaks down those measured results, placing them in the context of the component’s standalone benchmarks and its rank among 1,717 tested combos.

Resolution Scaling

The FPS drop from 1080p to 4K is not linear, and the shape of that curve tells a clear story about which component is in charge. At 1080p with Low settings, the combo hits 156.2 FPS. Moving to 1440p drops that to 138 FPS, a relatively modest 11.6% decrease, but jumping to 4K Low yields 114.7 FPS, which is a 26.6% reduction from the 1080p figure. This pattern—where the largest gap is between 1440p and 4K—suggests the CPU is still able to feed the GPU enough data at lower resolutions, but the sheer pixel count at 4K begins to saturate the RTX 4080 SUPER’s rendering pipeline.

The story inverts when looking at higher presets. At Ultra settings, the FPS at 1080p is 113.6, at 1440p it falls to 82.6, and at 4K it collapses to 49.2. The percentage drop from 1080p to 4K at Ultra is a massive 56.7%, far steeper than the 26.6% drop seen at Low. This indicates that at Ultra, the game’s visual effects—likely including heavy draw distances and complex shading—are loading the GPU so heavily that the processor’s 8 cores and 16 threads are no longer the limiting factor. The data implies a shift: at Low settings, the CPU is the primary constraint, capping performance; at Ultra, the GPU becomes the wall, and the 3700X has enough headroom to let the 4080 SUPER flex its muscle, even if that muscle is ultimately overwhelmed by 4K Ultra demands.

Settings Recommendations

The measured rows provide a clear hierarchy for balancing visual fidelity against frame rate. For players targeting a smooth 60 FPS experience at 4K, the High preset is the only viable option, delivering 63.9 FPS. The Medium preset at 4K falls just short of that target at 79.9 FPS, which is acceptable, but Ultra at 4K drops to 49.2 FPS, which is below the standard for fast-paced action. The sweet spot for high refresh rate monitors appears to be 1440p, where the High preset achieves 110.5 FPS and even Ultra manages 82.6 FPS, making it the best balance for those with 144Hz displays.

At 1080p, the data suggests that the Ultra preset is the most sensible choice for most users, as it still produces 113.6 FPS—well above the 60 FPS threshold and close to the 125.7 FPS of High. The gap between Low (156.2 FPS) and High (125.7 FPS) is significant, but the visual improvement from Low to High is typically substantial in Rust, which relies on foliage density and shadow quality for gameplay awareness. The measured results indicate that pushing from High to Ultra at 1080p costs only 12.1 FPS, which is a small price for the graphical uplift. The recommendation from the data is clear: prioritize High or Ultra at 1440p for the optimal mix of responsiveness and visual clarity, and reserve 4K for slower-paced moments or less demanding scenes.

CPU Role

The Ryzen 7 3700X is a 3000-series part built on the Zen 2 architecture (codenamed Matisse), featuring 8 cores and 16 threads with a base clock of 3.60 GHz and a boost clock of 4.40 GHz. Its benchmark scores are respectable—a Cinebench R23 multi-core score of 19,087 and a single-core score of 2,694—placing it in the 85th percentile of all CPUs tested. The data suggests that Rust is sensitive to single-thread performance for game logic and server communication, but the multi-core score becomes relevant when many entities are active.

The measured FPS at Low settings across resolutions is revealing. At 1080p Low, the combo hits 156.2 FPS, but at 1440p Low it only drops to 138 FPS. This relatively small drop (11.6%) implies the CPU is still the bottleneck even at 1440p, as the GPU is not being fully utilized. The Ryzen 7 3700X’s 32 MB of L3 cache and dual-channel DDR4 memory bandwidth of 51.2 GB/s are adequate, but they are not exceptional by modern standards. Compared to its nearest rivals, the Intel Core i5-12600 (average score 28,654) is just 0.1% faster, while the AMD Ryzen 5 5600XT is 0.1% slower—all three are within a rounding error of each other, suggesting that this CPU is a solid mid-range performer, but not a top-tier option for pushing maximum frame rates in CPU-bound scenarios.

The data indicates that the 3700X’s clock speeds, while boosting to 4.40 GHz, are not sufficient to fully feed the RTX 4080 SUPER at lower resolutions. The 1080p Low result of 156.2 FPS, while high, is likely limited by the CPU’s ability to process game state updates. This is a classic sign of a CPU bottleneck, where the GPU is waiting for the processor to provide new draw calls.

How This Combo Ranks

In the grand scheme of tested hardware, this pairing of the Ryzen 7 3700X and RTX 4080 SUPER ranks at position 337 out of 1,717 combos. This places it in the top 19.6% of all tested configurations, which is a strong showing, but notably lower than what the GPU alone might suggest. The RTX 4080 SUPER sits in the 88th percentile of all GPUs, with an average benchmark score of 53,610, and its nearest rival, the AMD Radeon RX 6900 XT, is only 0.2% behind. The CPU, however, is in the 85th percentile, and this slight gap in relative performance—with the GPU being more powerful than the CPU is relative to their peers—explains why the combo rank is lower than the GPU’s percentile.

The rank of 337 implies that many other combos, likely featuring newer high-core-count CPUs like the Ryzen 7000 series or Intel 13th/14th gen, achieve higher FPS in Rust. The delta between the CPU’s and GPU’s percentile scores (85 vs 88) is small, but in a game like Rust, the CPU’s limitations are amplified. The data suggests that this combo is balanced for 1440p gaming, where the GPU is stressed enough to reduce the CPU bottleneck, but at 1080p, the combo is underperforming relative to its potential. Users with this setup should consider that upgrading the CPU to a newer architecture would likely yield a higher rank, as the RTX 4080 SUPER has headroom to spare at lower resolutions.

FAQ

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

A: The measured data shows that 1440p High provides 110.5 FPS, making it the best balance between visual quality and frame rate. 4K High is playable at 63.9 FPS, but 4K Ultra drops to 49.2 FPS.

Q: Is the Ryzen 7 3700X bottlenecking the RTX 4080 SUPER in Rust?

A: Yes, especially at lower resolutions. At 1080p Low, the combo achieves 156.2 FPS, which is high, but the FPS drop to 1440p Low (138 FPS) is only 11.6%, suggesting the CPU is limiting performance. At 4K Ultra, the FPS drops to 49.2, indicating the GPU is now the primary constraint.

Q: How does this combo rank compared to other tested systems?

A: It ranks 337th out of 1,717 combos, placing it in the top 19.6% of all tested configurations. This is a solid rank, but lower than the GPU’s individual percentile, due to the CPU’s relative weakness.

Q: What settings should I use for a 60 FPS target at 4K?

A: The High preset at 4K yields 63.9 FPS, which is the only preset at that resolution that exceeds 60 FPS. Medium is close at 79.9 FPS, but Ultra falls to 49.2 FPS.

Q: Is the RTX 4080 SUPER a good match for the Ryzen 7 3700X?

A: The data indicates a mismatch at 1080p, where the CPU limits performance. At 1440p and 4K, the GPU is more fully utilized. The combo is best suited for 1440p gaming, where the bottleneck is less pronounced.

Q: How much faster is the High preset compared to Low at 1080p?

A: At 1080p, High achieves 125.7 FPS while Low achieves 156.2 FPS, a difference of 30.5 FPS. The visual uplift from Low to High is typically worth the performance cost in Rust.

Measured FPS Breakdown

The complete measured FPS table for the AMD Ryzen 7 3700X and NVIDIA GeForce RTX 4080 SUPER is as follows:

• 3840x2160 (4K):
• High: 63.9 FPS
• Low: 114.7 FPS
• Medium: 79.9 FPS
• Ultra: 49.2 FPS

• 2560x1440 (1440p):
• High: 110.5 FPS
• Low: 138 FPS
• Medium: 121 FPS
• Ultra: 82.6 FPS

• 1920x1080 (1080p):
• High: 125.7 FPS
• Low: 156.2 FPS
• Medium: 136.3 FPS
• Ultra: 113.6 FPS

The data shows a consistent trend: Low settings provide the highest frame rates across all resolutions, while Ultra provides the lowest. The gap between Medium and High is relatively small at 1080p (10.6 FPS), but grows to 30.6 FPS at 4K, indicating that the High preset scales more efficiently with resolution than Medium.

GPU Role

The RTX 4080 SUPER is a Ada Lovelace architecture part (chip AD103) built on a 5 nm process, featuring 16 GB of GDDR6X memory on a 256-bit bus with a bandwidth of 736.3 GB/s. Its boost clock is 2550 MHz, and it has 10,240 shading units, 80 RT cores, and 320 tensor cores. These specifications give it a massive FP32 compute of 52.22 TFLOPS, which is reflected in its 3DMark Steel Nomad score of 6,600 and Passmark G3D score of 34,245.

In Rust, the GPU’s role becomes more pronounced as settings increase. The measured FPS at 4K Ultra (49.2 FPS) versus 4K Low (114.7 FPS) shows a 65.5 FPS swing, indicating that the game’s high-end visual effects—such as ambient occlusion, volumetric lighting, and high-resolution textures—are heavily taxing the GPU’s 16 GB of VRAM and its 112 ROPs. The RTX 4080 SUPER’s memory bandwidth of 736.3 GB/s is sufficient for 4K textures, but the pixel rate of 285.6 GPixel/s is the limiting factor at Ultra settings, where the fill rate is saturated.

Comparatively, the GPU’s nearest rival, the AMD Radeon RX 6900 XT, has a similar average benchmark score (53,489 vs 53,610), but the RTX 4080 SUPER’s advantage in ray tracing and DLSS features (though not tested here) could provide additional headroom in other titles. In Rust, the data shows that the GPU is not the bottleneck at 1080p, but it becomes the primary constraint at 4K Ultra, where its raw compute power is insufficient to maintain high frame rates. The 320 W TDP and triple-slot cooler underscore its performance-class positioning, but the measured results indicate that pairing it with a weaker CPU like the 3700X leaves performance on the table at lower resolutions.