Rust

Intel Core Ultra 7 155H paired with the AMD Radeon RX 7900M delivers a Rust experience that is fundamentally defined by resolution and settings scaling. At 1080p, this combo is exceptionally strong, offering high refresh rate potential, while 4K Ultra remains a challenging target. The data indicates that the most balanced experience—prioritizing frame rate stability without sacrificing visual fidelity—is found at Medium settings across all resolutions, as this is the only preset tier that provides consistent minimum frame rate data.

Settings Recommendations

Benchmark results indicate that the Medium preset is the optimal choice for this hardware configuration in Rust. At 1920x1080, Medium produces an average of 124 FPS with a minimum of 105 FPS, providing a 19 FPS buffer above the average that ensures smoother gameplay during intense scenes. This is contrasted with the High preset at 1080p, which averages 105 FPS but lacks reported minimum frame rate data, suggesting a potentially less stable experience. The Low preset at 1080p reaches 185 FPS, but the visual compromise is substantial for a survival game where spotting distant players is critical.

At 2560x1440, the Medium preset again stands out as the sweet spot, delivering an average of 85 FPS with a minimum of 73 FPS. This is a 13 FPS drop from the 1080p Medium result, but it remains well within the range of smooth, playable performance for a game like Rust, which does not require the extreme reaction times of a competitive shooter. The High preset at 1440p averages 72 FPS, which is playable, but the lack of minimum data and the 18% reduction from Medium suggests that Medium offers a better safety margin for frame time consistency.

For 3840x2160 gaming, the data shows that Medium is the only viable preset that maintains a playable frame rate with a reported minimum. The 4K Medium result averages 50 FPS with a minimum of 43 FPS, which is a borderline experience for a game with survival elements where responsiveness matters. The High preset at 4K drops to 43 FPS, and Ultra falls to 32 FPS, both of which are below the 60 FPS threshold that many players consider the baseline for smooth gameplay. The Low preset at 4K averages 75 FPS, but the visual downgrade at such a high resolution defeats the purpose of rendering at 4K.

The recommendation is clear: use the Medium preset. It is the only tier where the hardware demonstrates a measurable minimum frame rate, indicating a more predictable performance envelope. While High and Ultra settings offer better visuals, the data suggests they push the GPU beyond its comfort zone, particularly at higher resolutions. The 185 FPS Low preset at 1080p is impressive for esports-style play, but for the standard Rust experience, Medium provides the best balance of visual quality and performance stability.

How This Combo Ranks

This specific combination of the Intel Core Ultra 7 155H and AMD Radeon RX 7900M ranks 1189 out of 2953 tested combos for Rust. This places it in the 60th percentile of all tested systems, meaning it outperforms roughly 60% of the combinations in the database for this specific title. This is a solid, above-average result, but it is not in the top tier of performance. The ranking suggests that while the RX 7900M is a high-end mobile GPU, its performance in Rust is tempered by the CPU's capabilities and the game's engine characteristics.

The GPU itself is a strong performer, with a percentile rank of 94 against all GPUs, indicating it is in the top 6% of all graphics cards tested. Its average benchmark score of 97487 places it in the same league as the AMD Radeon Pro VII (deltaPct 0.4), while being 4.3% behind the NVIDIA Quadro RTX 6000 and 5.4% ahead of the AMD Radeon Instinct MI60. The CPU, with a percentile rank of 83 against all CPUs, is also a capable part, scoring 32697 on average, which is nearly identical to the Intel Core i5-14600T (deltaPct 0) and the AMD Ryzen AI 7 PRO 360 (deltaPct 0.1).

The combo's rank of 1189 out of 2953 suggests that while individual components are strong, their pairing does not produce an exceptional result in Rust. This is likely because Rust is a game that can be heavily dependent on single-threaded CPU performance for its simulation and physics, and the Ultra 7 155H, despite having 16 cores and 22 threads, may not have the single-core strength to fully unlock the RX 7900M's potential at lower resolutions. At 1080p, the CPU is more likely to be a limiting factor, which is reflected in the 185 FPS Low result, a figure that is high but not exceptional for a top-tier mobile GPU.

FAQ

Q: What is the best resolution and settings combination for the highest average frame rate?

A: The highest average frame rate is achieved at 1920x1080 with Low settings, producing an average of 185 FPS. This is 60 FPS higher than the next best result at the same resolution with High settings.

Q: Does the system provide a stable frame rate at 4K resolution?

A: The data shows that at 3840x2160, only the Medium preset reports a minimum frame rate (43 FPS with an average of 50 FPS). The High, Low, and Ultra presets do not report minimum frame rates, indicating a less predictable performance profile. The 4K Medium experience is playable but not ideal.

Q: How does the RX 7900M's memory configuration influence performance?

A: The RX 7900M features 16 GB of GDDR6 memory on a 256-bit bus, providing a bandwidth of 576.0 GB/s. This large memory pool is sufficient for Rust at all tested settings, but the bandwidth is a more critical factor. The data shows a clear scaling pattern from 1080p to 4K, suggesting that memory bandwidth is sufficient for the workload, as the frame rate drops are consistent with the increase in pixel count.

Q: What is the performance difference between the High and Medium presets at 1440p?

A: At 2560x1440, the High preset averages 72 FPS, while the Medium preset averages 85 FPS. This represents a 15.3% increase in average frame rate by switching from High to Medium. The Medium preset also reports a minimum of 73 FPS, whereas the High preset does not, suggesting Medium offers better frame time consistency.

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

A: The data suggests the GPU is the primary bottleneck at higher resolutions. At 4K, the average frame rates are 75 FPS (Low), 50 FPS (Medium), 43 FPS (High), and 32 FPS (Ultra), showing a clear scaling with GPU load. At 1080p, the Low preset hits 185 FPS, but the High preset only reaches 105 FPS, indicating that the GPU is still heavily taxed by higher settings even at lower resolutions.

Q: How does this combo's rank compare to other tested configurations?

A: This combo ranks 1189 out of 2953 tested combinations, placing it in the upper-middle tier of performance. While it outperforms a majority of systems, it does not reach the top 10% of results, indicating that there are many faster configurations for Rust, likely featuring higher-end desktop CPUs or GPUs.

Measured FPS Breakdown

The measured FPS data provides a comprehensive view of how this hardware scales across different settings and resolutions. At 1920x1080, the performance envelope is wide, ranging from an average of 185 FPS on Low to 80 FPS on Ultra. The Medium preset provides a balanced 124 FPS average with a minimum of 105 FPS and a maximum of 143 FPS, showing a 38 FPS variance. The High preset averages 105 FPS, a 15.3% reduction from Medium, demonstrating the cost of increased visual fidelity.

Moving to 2560x1440, the performance scales down proportionally. The Low preset averages 127 FPS, which is a 31.4% reduction from the 1080p Low result. The Medium preset averages 85 FPS with a minimum of 73 FPS and a maximum of 98 FPS, showing a 25 FPS variance. The High preset averages 72 FPS, and the Ultra preset drops to 55 FPS. The scaling from 1080p to 1440p is consistent across all settings, with an average reduction of approximately 31% in frame rate, which aligns with the increase in pixel count from 2.07 million to 3.69 million.

At 3840x2160, the performance becomes more demanding. The Low preset averages 75 FPS, which is a 40.9% reduction from the 1080p Low result. The Medium preset averages 50 FPS with a minimum of 43 FPS and a maximum of 58 FPS. The High preset drops to 43 FPS, and the Ultra preset falls to 32 FPS. The scaling from 1440p to 4K is more pronounced, with an average reduction of approximately 41% in frame rate, which is slightly higher than the pixel count increase from 3.69 million to 8.29 million. This suggests that the GPU's memory bandwidth or compute units are becoming a limiting factor at 4K.

The data shows a clear pattern: the Medium preset consistently provides the most stable frame rate, as it is the only settings tier that reports minimum and maximum FPS values at all three resolutions. This indicates that the hardware can sustain a more consistent performance envelope at Medium, making it the recommended choice for a smooth experience.

GPU Role

The AMD Radeon RX 7900M is the dominant component in this pairing, featuring the Navi 31 chip built on a 5 nm process at TSMC. This chip contains 57,700 million transistors on a 529 mm² die, with a transistor density of 109.1M per mm². The GPU has a base clock of 1825 MHz and a boost clock of 2090 MHz, with memory running at 2250 MHz (18 Gbps effective). This configuration delivers 38.52 TFLOPS of FP32 compute performance and a texture rate of 601.9 GTexel/s.

The GPU's memory subsystem is a key feature, with 16 GB of GDDR6 memory on a 256-bit bus, providing 576.0 GB/s of bandwidth. This memory configuration is more than sufficient for Rust, which is not known for being a VRAM-intensive game at the tested settings. The 4K Ultra preset, which would be the most demanding on memory, still only averages 32 FPS, indicating that the bottleneck is not memory capacity but rather the GPU's compute throughput.

The performance scaling across resolutions reflects the GPU's architecture. The RX 7900M has 4608 shading units, 288 TMUs, and 192 ROPs, with 72 ray tracing cores. In Rust, which does not heavily utilize ray tracing, the traditional rasterization performance is what matters. The data shows that the GPU scales from 185 FPS at 1080p Low to 32 FPS at 4K Ultra, a 82.7% reduction. This is a significant drop, suggesting that the GPU is being pushed to its limits at 4K with high settings.

The GPU's percentile rank of 94 against all GPUs confirms its high-end status. Its average benchmark score of 97487 is comparable to the AMD Radeon Pro VII (deltaPct 0.4) and significantly ahead of the AMD Radeon Instinct MI60 (deltaPct 5.4). However, it trails the NVIDIA Quadro RTX 6000 by 4.3%. In the context of Rust, the GPU's performance is solid, but the frame rates at 4K Ultra suggest that it is not a top-tier 4K gaming solution for this title, as it cannot maintain 60 FPS at that resolution with high settings.

CPU Role

The Intel Core Ultra 7 155H is the central processor in this combo, featuring 16 cores and 22 threads based on the Meteor Lake architecture. This CPU has a base clock of 3.80 GHz and a boost clock of 4.80 GHz, with a TDP of 28 W. The cache hierarchy includes 112 KB of L1 cache per core, 2 MB of L2 cache per core, and 24 MB of shared L3 cache. The CPU supports dual-channel DDR5 memory with a bandwidth of 89.6 GB/s.

The CPU's performance metrics show that it is a capable mobile processor. Its average benchmark score of 32697 places it in the 83rd percentile of all CPUs, with scores nearly identical to the Intel Core i5-14600T (deltaPct 0) and AMD Ryzen AI 7 PRO 360 (deltaPct 0.1). In multi-core workloads, the Cinebench R23 score is 15028, while the single-core score is 1743. The PassMark multi-thread score is 24873, and the single-thread score is 3468.

In Rust, the CPU's role is crucial for game logic, entity updates, and server-side simulation. The data shows that at 1080p with Low settings, the combo achieves 185 FPS, which is likely limited by the CPU's single-thread performance. The boost clock of 4.80 GHz is respectable for a mobile chip, but it may not be sufficient to fully saturate the RX 7900M's capabilities at lower resolutions. The fact that the 1080p High preset only reaches 105 FPS, while the 4K Low preset reaches 75 FPS, indicates that the GPU is still the primary bottleneck at higher settings, but the CPU becomes more of a factor at lower resolutions.

The CPU's 16 cores and 22 threads are more than adequate for Rust's multi-threaded aspects, such as world generation and physics. The PassMark data compression score of 277353 and floating point math score of 63703 indicate strong computational throughput. However, the single-thread score of 3468 is not exceptional, and in a game like Rust, where a single core often handles the main game loop, this can limit maximum frame rates. The combo's rank of 1189 out of 2953 suggests that while the CPU is good, it is not the best pairing for the RX 7900M in Rust, and a CPU with stronger single-core performance would likely yield higher frame rates at 1080p.