Rust

The Intel Core Ultra 5 245 paired with the Intel Arc B390 presents a highly specific performance profile in Rust, characterized by a strong CPU foundation and a GPU that significantly limits graphical headroom. The data indicates a system where the processor is capable of high frame rates, but the integrated graphics solution constrains the experience to lower resolutions and settings for playable performance. This analysis breaks down the measured results, the role of each component, and the practical implications for gameplay.

FAQ

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

A: Based on the measured FPS data, the optimal experience is at 1920x1080 with Low settings, which yields an average of 76 FPS. This is the only configuration that breaks the 60 FPS threshold, making it the most fluid option for gameplay.

Q: How does the Arc B390 compare to its nearest rivals in raw GPU benchmarks?

A: The Arc B390's average benchmark score of 1482 places it just 1.3% ahead of the NVIDIA GeForce GT 520MX, 1.5% ahead of the GeForce 800M, and 2.5% ahead of the GeForce GT 625 OEM. Its performance is extremely close to these legacy entry-level parts, indicating a very low absolute level of graphics compute capability.

Q: Is the CPU or the GPU the primary bottleneck in Rust?

A: The data strongly suggests the GPU is the limiting factor. While the CPU has a high multi-core score of 32924 in Cinebench R23, the GPU's 3DMark Steel Nomad score of 1482 is in the 9th percentile of all GPUs. At 4K Ultra, the system drops to 13 FPS, while at 1080p Low it reaches 76 FPS, a classic sign of GPU-bound performance scaling with resolution and graphical load.

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

A: At 2560x1440, moving from Low to Ultra settings results in a substantial performance hit. The average frame rate drops from 53 FPS on Low to 23 FPS on Ultra, a reduction of 30 FPS, or roughly 43% of the Low setting's performance. This indicates the GPU struggles significantly with the increased rendering demands of higher presets.

Q: How does the Core Ultra 5 245 compare to the Intel Core i5-14600K?

A: The Core Ultra 5 245 has an average benchmark score of 48995, which is 0.8% higher than the Intel Core i5-14600K's average score of 48618. This places the Ultra 5 245 as a slight performance leader in this specific comparison based on the aggregated benchmark data.

Q: Does the Arc B390 have dedicated VRAM?

A: No, the Arc B390 uses "System Shared" memory for its frame buffer. This means it relies on the system's DDR5 memory rather than having its own dedicated graphics memory, and the memory bandwidth is listed as "System Dependent."

GPU Role

The Intel Arc B390 is the decisive factor in this combo's gaming performance. Its 3DMark Steel Nomad DX12 score of 1482 places it in the 9th percentile of all GPUs, a figure that categorizes it as an entry-level or integrated-class solution. The nearest rivals in the benchmark data, the NVIDIA GeForce GT 520MX, GeForce 800M, GT 625 OEM, and GT 710, are all legacy parts from a different era, underscoring the Arc B390's position at the very bottom of the modern performance stack.

The GPU's specifications reinforce this assessment. With 1536 shading units, 48 texture mapping units, and 24 ROPs, the raw compute throughput is limited. The boost clock is listed at 2500 MHz, and the FP32 performance is 7.680 TFLOPS. Critically, the memory configuration is "System Shared," meaning it has no dedicated VRAM and instead uses the system's main memory. This architecture is a significant contributor to performance limitations, as memory bandwidth becomes "System Dependent" and can be a severe bottleneck, especially at higher resolutions.

In Rust, the GPU's role is to render the game world, handle the draw calls for the detailed environment, and process the various graphical effects. The measured FPS data shows a clear and direct relationship between GPU load and frame rate. At 1920x1080 with Low settings, the system achieves 76 FPS, but this drops to 43 FPS on High and 33 FPS on Ultra. At 4K, the situation becomes untenable, with the average FPS falling to 31 on Low and to just 13 on Ultra. This pattern of declining performance as resolution and settings increase is the definitive signature of a GPU-bound system. The Arc B390 simply does not have the pixel throughput or memory bandwidth to handle the demands of Rust at higher fidelity levels.

CPU Role

The Intel Core Ultra 5 245 is a formidable processor that provides a stark contrast to the GPU. With 14 cores and 14 threads, a base clock of 3.50 GHz, and a boost clock of 5.10 GHz, it possesses significant computational power. The processor's 24 MB of shared L3 cache and support for DDR5 memory are modern features that ensure it is not a limiting factor in this configuration. Its Cinebench R23 multi-core score of 32924 and single-core score of 4648 demonstrate robust performance across both heavily-threaded and single-threaded workloads.

The CPU's percentile ranking against all CPUs is 90, indicating it outperforms the vast majority of processors in the database. When compared to its nearest rivals, the Core Ultra 5 245 holds its own. It is 0.8% faster than the Intel Core i5-14600K, 0.6% faster than the Intel Xeon Gold 5318H, and 0.4% faster than the AMD Ryzen 7 PRO 5755G. Its average benchmark score of 48995 is nearly identical to the AMD Ryzen 9 7900, which scores 49228, a difference of only -0.5%.

In the context of Rust, a game known for its demanding simulation and physics that rely heavily on CPU performance, the Core Ultra 5 245 is more than capable. The data suggests that the CPU can easily feed frames to the GPU. The fact that the system can achieve 76 FPS at 1080p Low, a scenario that reduces GPU load, shows that the CPU is not the primary bottleneck in this pairing. The performance ceiling in Rust for this combo is not dictated by the processor's ability to run the game's logic, but rather by the GPU's ability to render the resulting frames.

Settings Recommendations

Given the measured FPS data, the settings that provide the best experience are unequivocally 1920x1080 with the Low preset. This configuration yields an average of 76 FPS, which is the only measured scenario that consistently maintains a frame rate above 60 FPS. This is the baseline for a smooth and responsive experience in a fast-paced survival game. All other settings and resolution combinations fall below this threshold, which can lead to a less fluid gameplay experience.

At 2560x1440, the Low preset averages 53 FPS, which is playable but not ideal. The Medium preset at 1440p averages 35 FPS and shows a minimum of 30 FPS, indicating potential for noticeable stutter. Moving to 4K is not recommended, as even the Low preset only manages an average of 31 FPS, and the Medium and High presets drop to 21 and 18 FPS respectively, making the game feel sluggish.

For players who prioritize visual fidelity over frame rate, the options are limited. At 1080p, the Medium preset offers an average of 51 FPS, which is a compromise between visuals and playability. The High preset at 1080p drops to 43 FPS. The Ultra preset at any resolution is not viable for a satisfactory experience, with even the best-case scenario at 1080p only producing 33 FPS. The data suggests that to get the most out of this hardware, the Low preset at 1080p is the only configuration that provides a consistently smooth experience, while Medium at 1080p is a viable alternative for those willing to sacrifice some frame rate for better visuals.

How This Combo Ranks

The Intel Core Ultra 5 245 and Intel Arc B390 combination ranks 2601 out of 2953 tested combos in the database for Rust. This places it in the bottom 12th percentile of all tested system configurations, indicating that this pairing is not well-suited for high-end gaming performance in this title. The rank is a direct reflection of the GPU's limitations, as the CPU is a high-performing part that would likely rank much higher with a more capable graphics card.

The disparity between the components is significant. The CPU's average benchmark score is in the 90th percentile, while the GPU's score is in the 9th percentile. This combination creates a system where the processor is vastly more powerful than the graphics solution, resulting in the GPU being the clear and overwhelming bottleneck. The combo's rank of 2601 is a testament to this imbalance, as the overall system performance is dragged down by the GPU's inability to keep pace with the CPU's output. In essence, this is a case of a high-end CPU being paired with a very low-end GPU, and the system's overall rank reflects the performance of its weakest link.

Measured FPS Breakdown

The measured FPS data provides a clear picture of the system's capabilities. At 1920x1080, the performance ranges from an average of 76 FPS on Low to 33 FPS on Ultra. The Medium preset at 1080p averages 51 FPS, with a minimum of 44 FPS and a maximum of 59 FPS. The High preset averages 43 FPS.

At 2560x1440, the average frame rates are lower across the board. The Low preset achieves 53 FPS. The Medium preset averages 35 FPS, with a minimum of 30 and a maximum of 41. High settings drop the average to 30 FPS, and the Ultra preset brings it down to 23 FPS.

At 3840x2160, the system struggles to maintain playable frame rates. The Low preset averages 31 FPS. The Medium preset averages 21 FPS, with a minimum of 18 and a maximum of 24. The High preset averages 18 FPS, and the Ultra preset averages just 13 FPS. These figures clearly illustrate the GPU's performance limits as the rendering resolution and complexity increase.

Resolution Scaling

The resolution scaling performance of this combo reveals a classic GPU-bound scenario. Moving from 1920x1080 to 2560x1440 on the Low preset results in an FPS drop from 76 to 53, a reduction of 23 FPS. Scaling further to 3840x2160 on Low brings the average down to 31 FPS, a 45 FPS drop from the 1080p baseline. This steep decline is a direct consequence of the GPU having to render an exponentially larger number of pixels.

The same trend is visible on the Medium preset. The system averages 51 FPS at 1080p, 35 FPS at 1440p, and only 21 FPS at 4K. The performance loss from 1080p to 4K is 30 FPS, a 59% reduction in frame rate. This pattern is indicative of a system where the GPU's pixel processing capabilities are the primary constraint. The CPU, which is high-performing, is not able to compensate for the GPU's workload at higher resolutions.

The data shows that the Intel Arc B390 is the definitive limiting factor in this configuration. The CPU's robust performance is masked by the GPU's inability to handle higher resolutions. The frame rate scales inversely with resolution, which is the expected behavior for a GPU-bound system. To achieve higher frame rates, the resolution must be kept low, and even then, the performance is only adequate at the lowest settings. This pairing is not designed for high-resolution gaming, and the measured data confirms that the GPU is the bottleneck that prevents this system from performing at a level commensurate with its capable processor.