Rust

Resolution Scaling

The measured frame rates for Rust with the Intel Core Ultra 5 225 and NVIDIA GeForce RTX 5090 show a clear progression as resolution climbs. At 1080p High, the combo produces 185 FPS average. Moving to 1440p High drops that to 127 FPS, a reduction of 58 FPS. At 4K High, the average falls further to 75 FPS. The scaling from 1080p to 4K at High settings is substantial, representing a 59.5% decrease in average frame rate.

The pattern is consistent across every settings tier. With Low settings, the system delivers 258 FPS at 1080p, 224 FPS at 1440p, and 132 FPS at 4K. The 126 FPS gap between 1080p and 4K Low is the largest absolute drop in the dataset. Medium settings show 219 FPS at 1080p, 150 FPS at 1440p, and 89 FPS at 4K. Ultra settings yield 140 FPS at 1080p, 97 FPS at 1440p, and 57 FPS at 4K.

What does this scaling indicate about the limiting component? The frame rate drops are roughly proportional to the pixel count increase. Going from 1080p to 4K quadruples the pixel workload, but the FPS does not quarter. This suggests the system is not purely GPU-bound at lower resolutions. At 1080p Low, the 258 FPS result is likely constrained by CPU throughput rather than GPU capability. The RTX 5090 is capable of far higher frame rates in less demanding scenarios, but Rust's simulation and networking overhead impose a ceiling.

At 4K Ultra, the 57 FPS average indicates the GPU is now the primary bottleneck, with the pixel and shading workload overwhelming even this flagship card. The spread between Low and Ultra at 4K is 75 FPS (132 vs 57), which shows the GPU has headroom when settings are reduced. At 1080p, the spread between Low and Ultra is 118 FPS (258 vs 140), a wider gap that reflects the CPU becoming more relevant as resolution drops. The data points to a balanced pairing where neither component is drastically over- or under-powered for Rust, though the CPU does cap performance in low-resolution, low-settings scenarios.

GPU Role

The NVIDIA GeForce RTX 5090 is built on the Blackwell 2.0 architecture with a GB202 chip fabricated on a 5 nm process. The GPU packs 21,760 shading units, 680 texture mapping units, and 176 ROPs. Its 32 GB of GDDR7 memory runs across a 512-bit bus, delivering 1.79 TB/s of bandwidth. The memory clock is listed at 1750 MHz, with 28 Gbps effective data rate. Base clock sits at 2017 MHz, boosting to 2407 MHz. The GPU also includes 170 RT cores and 680 tensor cores.

In Rust, the 32 GB frame buffer is far beyond what the game requires at any resolution. The measured rows show no indication of memory capacity being a limiting factor. Even at 4K Ultra, where the average FPS drops to 57, the issue is raw compute throughput rather than VRAM exhaustion. Rust is not a texture-heavy title compared to modern AAA releases, so the massive memory allocation goes largely unused in this benchmark.

The GPU's clock behavior matters more than its capacity. The 2407 MHz boost clock, combined with the high shading unit count, produces 104.8 TFLOPS of FP32 performance. That raw compute is what drives the 4K results. At 4K High, the combo achieves 75 FPS, while 4K Medium reaches 89 FPS and 4K Low hits 132 FPS. The scaling between these presets shows the GPU responds well to reduced shading and texture work.

The RTX 5090's nearest rivals in the benchmark database are the NVIDIA Tesla P100 PCIe 16 GB (0.3% higher average score), the Tesla P100 PCIe 12 GB (0.6% higher), the AMD Radeon RX 6850M XT (1.1% higher), and the AMD Radeon Pro Vega 64X (1.4% lower). These deltaPct values are small, indicating the RTX 5090 sits in a tight performance cluster despite being a different class of product. The GPU's percentile vs all GPUs is 92, meaning it outperforms the vast majority of tested graphics cards.

The pixel rate of 423.6 GPixel/s and texture rate of 1,636.8 GTexel/s are relevant to Rust's rendering. The game uses a mix of large terrain meshes and numerous small objects, which stresses both fill rate and texture fetch. The measured 4K Ultra result of 57 FPS suggests that even with these exceptional fill rates, the game's draw call overhead and shading complexity create a bottleneck. Reducing to Medium at 4K yields 89 FPS, a 56% improvement, which indicates the ultra preset's extra effects cost heavily.

CPU Role

The Intel Core Ultra 5 225 is a 10-core, 10-thread processor from the Core Ultra Series 2 family. It uses the Arrow Lake architecture, built on a 3 nm process by TSMC. Base clock is 3.30 GHz with a boost of 4.90 GHz. The CPU has a 20 MB shared L3 cache, 3 MB per core L2, and 192 KB per core L1. It supports dual-channel DDR5 memory with 102.4 GB/s bandwidth. The 65 W TDP indicates a modest power envelope for a desktop part.

In Rust, the CPU's role is significant because the game simulates a persistent world with many entities, building structures, and player interactions. The 10 cores and 10 threads provide moderate parallel capacity, though Rust's main thread often becomes the limiting factor. The 4.90 GHz boost clock helps single-threaded performance, which is crucial for the game's simulation tick rate.

Benchmark data for the Core Ultra 5 225 shows a Cinebench R23 multi-core score of 25,891 and a single-core score of 3,655. PassMark single-thread score is 4,412, while multithread score is 30,459. These figures place the CPU at the 85th percentile vs all CPUs. The nearest rivals are the AMD Ryzen 5 5600F (0% delta), AMD Ryzen 5 5500X3D (-0.2%), AMD Ryzen AI 7 PRO 450 (-0.4%), and Intel Core i9-12900T (-0.5%). The tiny deltas indicate these CPUs perform nearly identically in the aggregate benchmark.

The 1080p Low result of 258 FPS is telling. This is the highest frame rate in the entire measured set, and it occurs when the GPU has the least work to do. The fact that it does not exceed 258 FPS suggests the CPU is hitting a performance ceiling around that mark in Rust's low-settings mode. Similarly, 1080p High reaches 185 FPS, which is still high but shows the CPU overhead increases with more draw calls and physics calculations.

The CPU's memory bandwidth of 102.4 GB/s is adequate for Rust, which streams terrain and entity data constantly. The 20 MB L3 cache helps with the game's frequent data access patterns. The lack of multi-threading technology (10 cores, 10 threads, no hyperthreading) means each core handles one thread, which can limit performance in heavily threaded scenes. However, Rust does not scale perfectly across many cores, so the 10 physical cores provide a reasonable balance.

How This Combo Ranks

The combination of Intel Core Ultra 5 225 and NVIDIA GeForce RTX 5090 ranks 46th out of 2,953 tested combos for Rust. This places it in the top 1.6% of all configurations in the database. The high rank is driven primarily by the GPU's exceptional capability, as the CPU is a mid-range part that does not stand out in its own benchmark percentile.

The rank of 46 means there are 45 combos that deliver higher average FPS in Rust. These are likely to feature top-tier CPUs paired with the RTX 5090 or similar flagship GPUs. The Core Ultra 5 225's 85th percentile CPU score, combined with the RTX 5090's 92nd percentile GPU score, produces a combo that excels in GPU-bound scenarios but lags in CPU-bound ones. At 4K Ultra, where the GPU is the primary constraint, the combo's rank would be higher than at 1080p Low, where CPU limits the frame rate.

The combo's position in the database reflects a slight imbalance. The GPU is among the fastest available, while the CPU is competitive but not elite. In Rust, which can be CPU-intensive during large server events or complex base raids, the 10-core processor may cause frame dips in crowded areas. However, the measured data shows no minimum FPS values for most settings, so the average figures do not capture worst-case stutters.

Compared to the GPU's nearest rivals, which are data center and mobile parts, the RTX 5090's desktop gaming performance is clearly superior for Rust. The Tesla P100 parts lack the gaming-specific features and driver optimizations that benefit Rust. The CPU's rivals, including the Ryzen 5 5600F and Ryzen 5 5500X3D, are similar in aggregate score, but the 5500X3D's 3D V-Cache could provide an advantage in Rust's cache-sensitive workloads. The data shows a 0.2% delta, which is negligible, but the measured FPS might differ in practice.

Measured FPS Breakdown

At 1920x1080, the combo delivers the following average frame rates: Low 258 FPS, Medium 219 FPS (with min 186 and max 251), High 185 FPS, and Ultra 140 FPS. The Medium preset at 1080p is the only one with full min/max data, showing a 65 FPS range between minimum and maximum. This suggests some frame time variance during gameplay.

At 2560x1440, the results are: Low 224 FPS, Medium 150 FPS (min 128, max 173), High 127 FPS, and Ultra 97 FPS. The Medium preset's min/max range is 45 FPS, narrower than at 1080p, indicating more consistent frame pacing at higher resolution. The drop from 1080p to 1440p is most severe at High settings, losing 58 FPS, while Low settings only lose 34 FPS.

At 3840x2160, the results are: Low 132 FPS, Medium 89 FPS (min 76, max 102), High 75 FPS, and Ultra 57 FPS. The Medium preset at 4K has a 26 FPS min/max range, which is the tightest of any resolution. This indicates that at 4K Medium, the system maintains relatively stable performance. The jump from Low to Medium at 4K costs 43 FPS, while Medium to High costs 14 FPS, and High to Ultra costs 18 FPS.

The Medium preset is the only one with complete min/max data across all resolutions. At 1080p, the 186 FPS minimum is still well above the refresh rate of most monitors. At 1440p, the 128 FPS minimum is playable on high-refresh displays. At 4K, the 76 FPS minimum is adequate for standard 60 Hz monitors but not for high-refresh gaming. These minimums are important because Rust can experience sudden frame drops during explosions or when loading new areas.

Settings Recommendations

Based on the measured rows, the Medium preset offers the best balance across all resolutions. At 1080p Medium, the combo delivers 219 FPS average with a 186 FPS minimum, which exceeds the capabilities of most gaming monitors. The 251 FPS maximum shows there is headroom for very high refresh displays. At 1440p Medium, the 150 FPS average with a 128 FPS minimum is excellent for 144 Hz monitors, providing a smooth experience with room to spare.

The High preset is a reasonable choice for users who prioritize visual quality over raw frame rate. At 1080p High, the 185 FPS average is still very playable, and at 1440p High, the 127 FPS average suits 120 Hz displays. However, at 4K High, the 75 FPS average drops below the 90 FPS threshold that many gamers consider ideal for fast-paced titles. The Ultra preset is not recommended for competitive play, as the 57 FPS average at 4K Ultra falls below standard 60 Hz refresh and the 140 FPS at 1080p Ultra, while high, does not provide a meaningful visual improvement over High for the performance cost.

For 4K users, Medium is the clear choice. The 89 FPS average with a 76 FPS minimum provides a smooth experience on 60 Hz displays, with the 102 FPS maximum allowing for variable refresh rate monitors to operate effectively. The Low preset at 4K yields 132 FPS, which is excellent for high-refresh 4K panels, but the visual sacrifice may be too significant for a game like Rust where spotting distant players is crucial.

The data shows diminishing returns above Medium settings. Moving from Medium to High at 1080p costs 34 FPS (219 to 185), while High to Ultra costs 45 FPS (185 to 140). The visual difference between Medium and High in Rust is noticeable but not transformative, while the frame rate penalty is substantial. For most users, Medium at any resolution provides the best combination of visual fidelity and performance, with Low reserved for maximum frame rates and Ultra only for screenshot or cinematic purposes.