Rust

The AMD Ryzen 9 7900X paired with the AMD Radeon RX 570 is a severely unbalanced configuration for Rust, landing in the bottom percentile of tested hardware combinations. The data shows a combo rank of 1644 out of 1717 tested setups, placing it in the bottom 5% of all systems. This pairing bottlenecks the processor's substantial capabilities with a graphics card that struggles to maintain playable frame rates at nearly every measured setting.

Resolution Scaling

The frame rate collapse from 1080p to 4K is dramatic and reveals a GPU-bound scenario across all settings. At Low settings, the average FPS drops from 67.8 at 1920x1080 to 24.3 at 3840x2160—a 64% reduction in performance. The High preset shows a similar pattern, falling from 39.4 FPS at 1080p to 13.2 at 4K, representing a 66% decrease. These steep declines indicate that the RX 570's rendering pipeline becomes the limiting factor as pixel count increases.

The scaling behavior between 1080p and 1440p is more moderate but still significant. At Medium settings, the system delivers 43.1 FPS at 1920x1080 but drops to 32.8 FPS at 2560x1440, a 24% reduction. The Ultra preset follows suit, dropping from 29.6 to 21.3 FPS across the same resolution step. This pattern suggests that while the GPU dominates performance, the CPU still provides enough headroom to mitigate some losses at lower resolutions.

At 4K, the results become nearly unusable regardless of settings. Even the Low preset, which typically offers the best performance, only manages 24.3 FPS. The High and Ultra presets fall to 13.2 and 11.1 FPS respectively, making any competitive or immersive gameplay impossible. The data confirms that this combo is only viable at 1080p, and even then, only at lower quality presets.

CPU Role

The Ryzen 9 7900X brings 12 cores and 24 threads with a base clock of 4.70 GHz and a boost clock of 5.60 GHz. This processor sits in the 93rd percentile of all CPUs, with an average benchmark score of 50556. Its nearest rival, the Intel Core Ultra 5 235, scores 50598—just 0.1% higher—indicating the 7900X is at the top of its performance tier.

In Rust, which typically benefits from strong single-thread performance, the 7900X's 5.60 GHz boost clock should theoretically provide ample headroom. Benchmark data shows a 3dmark single-thread score of 1093 and a cinebench r23 single-core score of 6168, both indicating excellent per-core performance. However, the measured FPS reveals that the GPU cannot leverage this CPU power effectively.

The multi-threaded capabilities are equally impressive, with a cinebench r23 multicore score of 43695 and a passmark multithread score of 51406. Yet in Rust, the bottleneck is clearly the graphics card. The CPU's 64 MB of shared L3 cache and DDR5 memory support with 83.2 GB/s bandwidth are more than sufficient for this game's demands. The data shows that no amount of CPU headroom can compensate for a GPU that delivers only 5.095 TFLOPS of FP32 performance.

FAQ

Q: What is the best average FPS this combo achieves in Rust?

A: The highest measured average FPS is 67.8, achieved at 1920x1080 with Low settings. This is the only configuration that approaches playable frame rates.

Q: Can this system handle 4K gaming in Rust?

A: No. Even at Low settings, the average FPS at 3840x2160 is only 24.3. Ultra settings drop to 11.1 FPS, making 4K gameplay impractical.

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

A: The Ryzen 9 7900X scores 50556 on average, placing it 0.1% behind the Intel Core Ultra 5 235 (50598) and 0.4% behind the AMD Ryzen 9 5900XT (50738).

Q: What is the GPU's performance percentile?

A: The AMD Radeon RX 570 sits in the 74th percentile of all GPUs with an average benchmark score of 30158, but its nearest rivals include much newer cards like the RTX 5060 and RX 7700 XT.

Q: Is there a significant FPS difference between Medium and High settings at 1080p?

A: Yes, the difference is 3.7 FPS. Medium averages 43.1 FPS while High averages 39.4 FPS at 1920x1080.

Q: What is the combo's rank among all tested systems?

A: The combo ranks 1644 out of 1717 tested configurations, placing it in the bottom 5% of all systems tested for Rust.

Measured FPS Breakdown

At 1920x1080, the Low preset delivers the best performance at 67.8 FPS average. Medium settings produce 43.1 FPS, High settings yield 39.4 FPS, and Ultra drops to 29.6 FPS. The gap between Low and Medium is substantial at 24.7 FPS, while the difference between Medium and High is a modest 3.7 FPS.

Moving to 2560x1440, all presets see significant reductions. Low averages 43.5 FPS, Medium drops to 32.8 FPS, High falls to 25.7 FPS, and Ultra bottoms out at 21.3 FPS. The scaling from 1080p to 1440p at Low settings results in a 24.3 FPS loss, highlighting the GPU's limited bandwidth.

At 3840x2160, performance becomes marginal. Low averages 24.3 FPS, Medium reaches 19.6 FPS, High manages 13.2 FPS, and Ultra stutters at 11.1 FPS. The 4K results show that the RX 570's 224.0 GB/s memory bandwidth and 5.095 TFLOPS compute capacity are insufficient for this resolution.

The data reveals a consistent pattern: the FPS penalty from Low to Ultra at any resolution is roughly 50-60%. At 1080p, the drop is 38.2 FPS; at 1440p, it is 22.2 FPS; at 4K, it is 13.2 FPS. This suggests that the GPU's limitations become more pronounced at higher resolutions, where pixel throughput demands exceed the card's capabilities.

How This Combo Ranks

The combination ranks 1644 out of 1717 tested combos, placing it in the bottom 4.3% of all systems. This poor ranking is directly attributable to the RX 570's age and performance class relative to the Ryzen 9 7900X's high-end positioning. The GPU's average benchmark score of 30158 places it near the RTX 5060 (30109, 0.2% lower) and RX 7700 XT (30097, 0.2% lower), but these rivals achieve similar scores with much newer architectures.

The CPU's strong showing—93rd percentile with a 50556 average score—contrasts sharply with the combo's overall ranking. This disparity indicates that the GPU is the primary constraint, preventing the system from achieving anything close to the processor's potential. The nearest CPU rivals, including the Intel Core i9-13980HX (50944, 0.8% higher), all outperform this combo in Rust due to superior graphics processing.

The rank of 1644 suggests that most other tested combinations, even those with significantly weaker CPUs, deliver better Rust performance. This is because Rust's engine scales more with GPU capability than raw CPU power, and the RX 570's 4 GB of GDDR5 memory and GCN 4.0 architecture are simply outdated for modern game demands.

Settings Recommendations

For any playable experience, the Low preset at 1920x1080 is the only viable option, delivering 67.8 FPS average. This represents the best balance of visual quality and performance, as the next step up—Medium at 1080p—drops to 43.1 FPS, a 36% reduction. Players seeking smoother gameplay should stick with Low at 1080p.

At 1440p, even Low settings only achieve 43.5 FPS, which may be acceptable for casual play but falls short of competitive standards. The Medium preset at 1440p drops to 32.8 FPS, and High falls to 25.7 FPS, both of which are below the threshold for responsive gameplay. The Ultra preset at 1440p is not recommended at 21.3 FPS.

The 4K resolution is not viable under any settings. The best result, 24.3 FPS at Low, is still below playable thresholds. The data clearly shows that this combo should be restricted to 1080p Low settings for the best experience, with the understanding that even this configuration struggles with demanding scenes.

GPU Role

The AMD Radeon RX 570 features 2048 shading units, 128 texture mapping units, and 32 ROPs, operating at a base clock of 1168 MHz and boost clock of 1244 MHz. Its 4 GB of GDDR5 memory on a 256-bit bus provides 224.0 GB/s of bandwidth. The GPU's 5.095 TFLOPS FP32 performance and 159.2 GTexel/s texture rate are modest by modern standards.

The GPU sits in the 74th percentile with an average benchmark score of 30158, but this metric masks its age. The nearest rivals include the RTX 5060 (30109, 0.2% lower) and RX 7700 XT (30097, 0.2% lower), yet these cards deliver far better real-world gaming performance due to newer architectures and features. The RX 570's GCN 4.0 architecture and 14 nm process node from GlobalFoundries put it at a significant disadvantage.

In Rust, the GPU's limitations are exposed at every resolution. The 4 GB VRAM capacity becomes a constraint at higher settings, and the 224.0 GB/s bandwidth struggles to feed the 2048 shading units efficiently. The pixel rate of 39.81 GPixel/s and texture rate of 159.2 GTexel/s are insufficient for modern game engines, explaining why even Low settings at 4K only achieve 24.3 FPS. The data confirms that this GPU is the bottleneck, and no CPU upgrade can overcome its fundamental performance ceiling.