Rust

The Intel Core Ultra 7 155H paired with the NVIDIA GeForce RTX 4080 Mobile delivers a compelling, high-refresh-rate experience in Rust, though the data reveals a clear performance hierarchy that shifts depending on resolution and settings. This combination sits in the upper tier of tested configurations, ranking 1189th out of 3723 combos, placing it in the 68th percentile of all tested systems. The benchmark results show a system capable of exceeding 200 FPS at 1080p but one that eventually succumbs to the demands of 4K Ultra settings, indicating a balanced partnership where the GPU becomes the primary limiter at higher resolutions.

Resolution Scaling

The measured FPS data shows a predictable, yet steep, decline as resolution increases from 1080p to 4K, with the drop becoming more pronounced at higher settings presets. At Low settings, the average frame rate falls from 201 FPS at 1080p to 142 FPS at 1440p, a 29% reduction, and then to 84 FPS at 4K, another 41% drop from the 1440p figure. This scaling pattern suggests that even at the lowest graphical fidelity, the rendering load on the GPU increases substantially with pixel count, though the absolute numbers remain playable.

The Medium preset exhibits a similar trend, starting at 139 FPS at 1080p, dropping to 95 FPS at 1440p, and finally to 56 FPS at 4K. The percentage drop from 1080p to 1440p is 32%, and from 1440p to 4K is 41%, showing a consistent degradation pattern. Interestingly, the High preset shows a slightly different scaling curve: 117 FPS at 1080p, 81 FPS at 1440p, and 48 FPS at 4K. The drop from 1080p to 1440p is 31%, but the drop from 1440p to 4K is 41%, mirroring the Medium preset's behavior.

The Ultra preset shows the most dramatic scaling, with 89 FPS at 1080p, 61 FPS at 1440p, and 36 FPS at 4K. This represents a 31% drop from 1080p to 1440p and a 41% drop from 1440p to 4K. The consistency of the percentage drops across all presets—roughly 30% for the first step and 40% for the second—strongly indicates that the GPU is the limiting component at every resolution tested. The CPU, with its 16 cores and 22 threads, appears to have ample headroom to feed the graphics card, as the frame rate scaling follows the expected pattern of pixel-count-driven GPU workload rather than showing signs of CPU bottlenecking at lower resolutions.

How This Combo Ranks

In the broader context of all tested hardware combinations, this specific pairing of the Core Ultra 7 155H and RTX 4080 Mobile achieves a rank of 1189 out of 3723 in Rust. This places it in the top third of all configurations, indicating a robust gaming platform. The CPU's individual percentile ranking is 83rd, and the GPU's is 81st, which aligns with the combo's overall position, suggesting a well-matched pair where neither component dramatically underperforms relative to the other.

Looking at the CPU's nearest rivals, the data shows a tight grouping. The Intel Core i5-14600T scores an average of 32707, which is a 0% delta from the Core Ultra 7 155H's score of 32697. The AMD Ryzen AI 7 PRO 360 is 0.1% ahead, and the AMD Ryzen 5 7400F is 0.2% behind. This indicates that the 155H's computational performance is essentially on par with these alternatives, meaning any FPS differences in Rust are more likely attributable to the GPU or other system factors rather than CPU compute power.

On the GPU side, the RTX 4080 Mobile's nearest rivals include the NVIDIA GeForce MX570, which has a -0.4% delta, and the RTX 5080 Mobile, which is -0.6% behind. The RTX 4070 is 1.3% ahead in average benchmark score. These small deltas suggest that the 4080 Mobile's raw graphics processing power is similar to these other cards in synthetic benchmarks, but the measured FPS in Rust will be the definitive factor for actual gameplay performance. Given the combo's rank, it is clear that this system is positioned to deliver high frame rates in most scenarios, but it does not top the charts, leaving room for higher-end configurations to perform better.

GPU Role

The NVIDIA GeForce RTX 4080 Mobile is a high-end mobile graphics solution built on the Ada Lovelace architecture with a 5 nm process node. It features 12 GB of GDDR6 memory on a 192-bit bus, providing a bandwidth of 432.0 GB/s. The GPU operates with a base clock of 1290 MHz and a boost clock of 1665 MHz, with memory running at an effective 18 Gbps. These specifications are directly relevant to the measured FPS data, as the 12 GB frame buffer is sufficient for Rust's textures and assets at 4K, where the card still manages 48 FPS on High settings.

The GPU's compute capabilities, including 7424 shading units and a texture rate of 386.3 GTexel/s, are substantial. The FP32 performance of 24.72 TFLOPS is a strong indicator of its ability to handle the game's rendering workload. The measured FPS at 1080p Low (201 FPS) suggests that the GPU's raw throughput is more than capable of handling Rust's engine at lower resolutions, with the frame rate likely being limited by the game's simulation or draw call overhead rather than pixel shading. However, at 4K Ultra (36 FPS), the GPU's fill rate and memory bandwidth become the determining factors, as the higher pixel count and more complex shading effects tax the card's resources.

The presence of 58 RT cores and 232 tensor cores, while not directly benchmarked in Rust, indicates that the GPU has dedicated hardware for ray tracing and AI-accelerated features. The benchmark results for this GPU include a Passmark G3D score of 24926 and a Geekbench OpenCL score of 159575, which place it in the 81st percentile of all GPUs. This percentile ranking confirms that the RTX 4080 Mobile is a high-performing part, and the measured FPS in Rust aligns with that expectation, showing it can handle 1440p High at 81 FPS and 1080p Ultra at 89 FPS without issue.

Settings Recommendations

Based on the measured FPS data, the optimal settings preset depends heavily on the target resolution and desired frame rate. For 1080p gaming, the Low preset delivers an exceptional 201 FPS average, which is ideal for competitive play or high-refresh-rate monitors. The Medium preset, at 139 FPS, offers a good balance of visual quality and performance, while High at 117 FPS and Ultra at 89 FPS are both playable and provide progressively better image quality. The data indicates that all presets at 1080p are viable, with the choice coming down to user preference for visual fidelity versus maximum frame rate.

At 1440p, the Low preset still manages a very high 142 FPS, making it suitable for fast-paced gameplay. The Medium preset drops to 95 FPS, which remains smooth, while High at 81 FPS is still well above the 60 FPS threshold. The Ultra preset at 61 FPS is the only one that dips close to the 60 FPS mark, but it remains playable. For a balanced experience at 1440p, the Medium or High preset appears to be the sweet spot, offering significantly better visual quality than Low while maintaining frame rates that are well above the playable threshold.

At 4K, the situation is more constrained. The Low preset achieves 84 FPS, which is surprising for a 4K resolution and indicates the RTX 4080 Mobile's strength. Medium drops to 56 FPS, and High to 48 FPS, which are still playable but not ideal for competitive play. The Ultra preset at 36 FPS is the only one that falls below the 40 FPS mark, making it less desirable for smooth gameplay. For 4K, the data suggests that the Low preset is the only one that provides a high frame rate, while Medium offers a playable experience at the cost of some smoothness. Users with 4K displays should prioritize the Low or Medium presets to maintain a playable experience.

Measured FPS Breakdown

The complete set of measured FPS data provides a comprehensive view of the system's performance across all tested scenarios. At 1920x1080, the average frame rates are 201 FPS on Low, 139 FPS on Medium, 117 FPS on High, and 89 FPS on Ultra. The Medium preset shows a minimum FPS of 118 and a maximum of 159, indicating some variance in frame times. The other presets have no recorded min/max values, suggesting the data collection focused on average FPS for those settings.

Moving to 2560x1440, the average frame rates are 142 FPS on Low, 95 FPS on Medium, 81 FPS on High, and 61 FPS on Ultra. The Medium preset at this resolution shows a minimum of 81 FPS and a maximum of 110 FPS, which is a tighter range than the 1080p data, indicating more consistent frame times. This suggests that the GPU is being pushed harder at 1440p, resulting in less headroom for frame rate spikes.

At 3840x2160, the average frame rates are 84 FPS on Low, 56 FPS on Medium, 48 FPS on High, and 36 FPS on Ultra. The Medium preset at 4K shows a minimum of 48 FPS and a maximum of 65 FPS. This data reveals that the 4K Medium experience is the most variable, with a 17 FPS spread between minimum and maximum. The Low preset at 4K, at 84 FPS, is notably higher than the Medium preset, showing a significant performance cost for the visual improvements in the Medium settings.

CPU Role

The Intel Core Ultra 7 155H is a 16-core, 22-thread processor based on the Meteor Lake architecture, manufactured on a 7 nm process. It has a base clock of 3.80 GHz and a boost clock of 4.80 GHz, with a 24 MB shared L3 cache. The CPU's multi-threaded performance is demonstrated by its Cinebench R23 score of 15028, while its single-core score is 1743. These scores indicate a capable processor for gaming, though Rust is known to be heavily reliant on single-thread performance for its game simulation and entity update logic.

The Passmark single-thread score of 3468 suggests that the 155H's per-core performance is solid, which is crucial for Rust's main thread. The data shows that at 1080p Low, the system achieves 201 FPS, which is a clear indication that the CPU is not the limiting factor at this resolution and settings combination. If the CPU were the bottleneck, we would expect to see frame rates plateau or dip as resolution decreases, but the FPS scales consistently with resolution, indicating that the GPU is the primary constraint.

The CPU's 28 W TDP and 89.6 GB/s memory bandwidth are also relevant. The dual-channel memory support and the bandwidth are sufficient to feed the GPU without creating a data bottleneck. The CPU's nearest rivals, such as the Intel Core i5-14600T and AMD Ryzen 5 7400F, show similar average benchmark scores, meaning that swapping the CPU would likely not yield significant FPS changes in Rust. The data confirms that this CPU provides adequate compute power to keep the RTX 4080 Mobile well-fed across all tested settings, making the GPU the definitive performance limiter in this combo.

FAQ

Q: What is the highest average FPS recorded for this combo in Rust?

A: The highest average FPS is 201, which was measured at 1920x1080 resolution with the Low settings preset.

Q: At 4K resolution, which settings preset provides the best playable experience above 60 FPS?

A: At 3840x2160, the Low preset is the only one that exceeds 60 FPS, achieving an average of 84 FPS. The Medium preset falls to 56 FPS, which is below the 60 FPS mark.

Q: How does the system scale from 1440p to 4K on the High preset?

A: The average FPS drops from 81 at 2560x1440 to 48 at 3840x2160, representing a 41% reduction in frame rate.

Q: Is the CPU or GPU the limiting factor in this combo?

A: The data indicates the GPU is the primary limiter. The frame rates scale consistently with resolution changes, a pattern that is characteristic of GPU-bound performance, especially given the CPU's high single-thread and multi-thread scores.

Q: What is the combo's rank among all tested configurations for Rust?

A: This combo ranks 1189th out of 3723 tested combos, placing it in the top third of all systems.

Q: How does the RTX 4080 Mobile compare to its nearest rival in average benchmark score?

A: The RTX 4080 Mobile has an average benchmark score of 38135. Its nearest rival, the NVIDIA GeForce MX570, has a score of 38299, which is a 0.4% difference. The RTX 5080 Mobile is 0.6% behind, while the RTX 4070 is 1.3% ahead.