Rust

# How This Combo Ranks

The AMD Ryzen 9 8945HX paired with the NVIDIA GeForce RTX 5070 lands at rank 1567 out of 2953 tested combinations for Rust. That places this combo in the 47th percentile of all tested systems — essentially the middle of the pack, which is surprising given the hardware involved.

This rank suggests that Rust's performance ceiling with this pairing is not determined by raw component strength alone. The CPU sits in the 95th percentile among all processors, and the GPU in the 82nd percentile among all graphics cards, yet the in-game combination still lands below the median. The data implies that Rust's engine — a heavily modified Unity build with significant server-side and world-streaming dependencies — may not scale with hardware the way synthetic benchmarks suggest.

The CPU's nearest rival, the Intel Core Ultra 9 285HX, scores nearly identically in average benchmark terms (76155 vs 76212, a delta of 0.1%). The AMD Ryzen 9 9950X3D is only 0.6% ahead. This tight clustering around the CPU's average benchmark score tells us that at the very top of the CPU stack, further compute gains yield diminishing returns in Rust. The GPU's nearest rivals — the AMD Radeon Pro 580 (0.1% ahead) and the AMD Radeon Pro WX 7100 (0.8% ahead) — are far less capable cards in absolute terms, yet the RTX 5070's percentile in this game's combo ranking is dragged down by factors beyond pure rasterization performance.

What this ranking reveals is that Rust rewards a balanced approach rather than extreme hardware. A system ranked higher than 1567 likely achieves that position through a combination of high single-thread performance, fast memory, and storage latency characteristics that this mobile CPU+GPU pairing cannot fully overcome despite its strong spec sheet.

FAQ

Q: How does the Ryzen 9 8945HX compare to its closest CPU rivals in average benchmark score?

A: The Ryzen 9 8945HX scores 76212 on average. The Intel Core Ultra 9 285HX is essentially tied at 76155 (0.1% behind), while the AMD EPYC Embedded 8224P and AMD Ryzen Threadripper PRO 9945WX both score slightly higher at 76492 and 76513 respectively (-0.4% delta). The AMD Ryzen 9 9950X3D trails slightly at 75779 (0.6% ahead of it).

Q: What FPS can I expect at 1080p with this combo?

A: At 1920x1080, the measured data shows 161 FPS on Low settings, 108 FPS on Medium (with a min of 92 and max of 124), 91 FPS on High, and 69 FPS on Ultra. The Medium preset provides the only complete min/max data, suggesting it is the most consistently measured setting.

Q: Is the RTX 5070's GPU compute performance strong relative to its gaming rank?

A: The RTX 5070 achieves a Passmark G3D score of 29137 and a Passmark GPU Compute score of 15787. Its average benchmark score is 40377, placing it in the 82nd percentile of all GPUs. However, its nearest rivals in average score are the AMD Radeon Pro 580 (40318, 0.1% ahead), which is a professional workstation card — indicating that raw compute scores do not translate directly to Rust's gaming performance.

Q: What is the CPU's single-thread performance, and why does it matter for Rust?

A: The Ryzen 9 8945HX scores 6030 in Cinebench R23 single-core and 3907 in Passmark single-thread tests. Rust's simulation and game logic are heavily dependent on single-thread performance, and this CPU's 5.40 GHz boost clock on a Zen 4 architecture provides strong results in these tests. The data suggests single-thread capability is a limiting factor at lower resolutions where the GPU is not the bottleneck.

Q: How does the combo rank change between 1080p and 4K in terms of playability?

A: At 1080p Low, the combo delivers 161 FPS — highly playable. At 4K Ultra, it drops to 28 FPS — barely playable. The progression from 1080p Low to 4K Ultra shows a decline from 161 FPS to 28 FPS, representing an 82.6% reduction in average FPS across the full resolution and settings range.

Q: Does the CPU or GPU appear to be the primary bottleneck at 4K?

A: At 3840x2160, the FPS difference between Low (65 FPS) and Ultra (28 FPS) settings is 37 FPS, a 56.9% drop. This significant scaling with graphics settings indicates the GPU is the primary constraint at 4K. The CPU's strong multi-thread performance (42713 in Cinebench R23 multi-core) means it is unlikely to limit at high resolutions.

Settings Recommendations

The measured data provides clear guidance on which preset delivers the best balance of visual quality and playability for this combo. At 1920x1080, the Medium preset delivers 108 FPS average with a measured range of 92 to 124 FPS. This is the only preset at any resolution where both minimum and maximum FPS values were recorded, suggesting it represents a stable operating point. The jump from Low (161 FPS) to Medium (108 FPS) costs 53 FPS, while the jump from Medium to High (91 FPS) costs only 17 FPS, and High to Ultra (69 FPS) costs 22 FPS. The diminishing returns begin after Medium.

At 2560x1440, the Medium preset delivers 74 FPS with a range of 63 to 85 FPS. This remains above the 60 FPS threshold for smooth gameplay. High drops to 63 FPS — still playable but with less headroom. Ultra at 48 FPS falls below the smooth-playability threshold. At 3840x2160, even Low delivers only 65 FPS, and Medium drops to 44 FPS. High at 37 FPS and Ultra at 28 FPS are not recommended for responsive play.

The optimal experience across resolutions is the Medium preset. It provides the most complete FPS data, indicating consistent performance. At 1080p, Medium delivers 108 FPS — far above the 60 FPS target. At 1440p, Medium delivers 74 FPS — comfortably playable. At 4K, Medium delivers 44 FPS — marginally playable but not ideal. For players prioritizing frame rate over visuals, Low at 1080p (161 FPS) or 1440p (111 FPS) offers the highest responsiveness. For those who want the best visuals while maintaining playability, High at 1080p (91 FPS) or 1440p (63 FPS) is the ceiling.

The data suggests that Medium is the sweet spot because it sits at the inflection point where further quality increases yield disproportionate FPS losses. Moving from Medium to Ultra at any resolution costs more than 35% of the Medium FPS, while moving from Medium to Low gains less than 50% more FPS. The Medium preset thus offers the best FPS-per-quality trade-off across all three resolutions.

Measured FPS Breakdown

At 1920x1080, the combo delivers 161 FPS on Low, 108 FPS on Medium (min 92, max 124), 91 FPS on High, and 69 FPS on Ultra. The spread from Low to Ultra is 92 FPS, representing a 57.1% drop. The Medium preset's min-to-max range of 32 FPS indicates moderate frame pacing variance.

At 2560x1440, performance scales down to 111 FPS on Low, 74 FPS on Medium (min 63, max 85), 63 FPS on High, and 48 FPS on Ultra. The spread from Low to Ultra is 63 FPS, a 56.8% drop. The Medium preset's range of 22 FPS is tighter than at 1080p, suggesting more consistent frame delivery at higher resolution.

At 3840x2160, the results are 65 FPS on Low, 44 FPS on Medium (min 37, max 50), 37 FPS on High, and 28 FPS on Ultra. The spread from Low to Ultra is 37 FPS, a 56.9% drop. The Medium preset's range of 13 FPS is the narrowest of all resolutions, indicating that at 4K the frame rate becomes more stable even though absolute FPS is lower.

The resolution-by-resolution pattern is consistent: Low settings always provide roughly 1.5x the FPS of Medium, and Ultra always provides roughly 0.65x the FPS of Medium. This consistent scaling across resolutions suggests a well-behaved performance curve where settings and resolution interact predictably. The 1080p Low result of 161 FPS is the only measurement above 150 FPS, indicating that this combo's maximum output in Rust is reached at that configuration. The 4K Ultra result of 28 FPS is the only measurement below 30 FPS, marking the minimum playability threshold.

Resolution Scaling

The FPS drop from 1080p to 4K is steep and consistent. At Low settings, 1080p delivers 161 FPS, 1440p delivers 111 FPS (a 31.1% drop), and 4K delivers 65 FPS (a 41.4% drop from 1440p). The total drop from 1080p to 4K at Low is 96 FPS, a 59.6% reduction. At Medium settings, the progression is 108 FPS at 1080p, 74 FPS at 1440p (31.5% drop), and 44 FPS at 4K (40.5% drop). The total drop is 64 FPS, a 59.3% reduction. At High settings, 91 FPS at 1080p, 63 FPS at 1440p (30.8% drop), and 37 FPS at 4K (41.3% drop). The total drop is 54 FPS, a 59.3% reduction. At Ultra settings, 69 FPS at 1080p, 48 FPS at 1440p (30.4% drop), and 28 FPS at 4K (41.7% drop). The total drop is 41 FPS, a 59.4% reduction.

The consistency of these percentages — approximately 31% from 1080p to 1440p and approximately 41% from 1440p to 4K across all settings — reveals a uniform scaling curve. This uniformity indicates that the rendering load increases proportionally with pixel count, and the system responds predictably. The 4K resolution has 4 times the pixels of 1080p, yet the FPS drop is only 59-60%, not the 75% that pure pixel-count scaling would suggest. This discrepancy implies that at 1080p, some other bottleneck (likely CPU or memory bandwidth) prevents the system from fully utilizing the GPU, so the FPS at 1080p is lower than the GPU's theoretical maximum.

As resolution increases, the GPU becomes more fully utilized, which is why the FPS drop from 1080p to 4K is less severe than pixel-count scaling would predict. The fact that the drop percentage is nearly identical across all settings (59.3-59.6%) suggests that the limiting component remains the same regardless of quality preset. The RTX 5070's 672.0 GB/s memory bandwidth and 12 GB GDDR7 VRAM appear sufficient for Rust's demands at 4K, as the scaling remains smooth rather than collapsing at higher resolutions.

CPU Role

The AMD Ryzen 9 8945HX is a 16-core, 32-thread processor based on Zen 4 architecture (Dragon Range codename), manufactured on a 5 nm process at TSMC. It features a base clock of 2.50 GHz and a boost clock of 5.40 GHz, with 64 MB of L3 cache. The CPU's benchmark results show exceptional multi-threaded performance: 42713 in Cinebench R23 multi-core and 17939 in Cinebench R20 multi-core. Single-thread performance is also strong, with 6030 in Cinebench R23 single-core.

In Rust, the data suggests that this CPU's single-thread performance is the more relevant metric. At 1080p Low settings, where the GPU is least stressed, the combo delivers 161 FPS. At 1080p Ultra, it delivers 69 FPS. The gap between these two is 92 FPS, which is driven by GPU load. However, the fact that 1080p Low does not exceed 161 FPS — despite the RTX 5070's capabilities — points to a CPU-side limitation. The Ryzen 9's Passmark single-thread score of 3907 and Cinebench R23 single-core score of 6030 are strong but not class-leading, and Rust's simulation thread appears to cap frame rates around this level.

The CPU's 32 threads are largely unnecessary for Rust, which typically uses a handful of cores for game logic. However, the high boost clock of 5.40 GHz on a mobile processor is notable — it matches or exceeds many desktop CPUs. This boost clock directly benefits Rust's main thread, which is why the combo achieves respectable frame rates at lower resolutions despite the game's reputation for CPU intensity. The 64 MB L3 cache also helps by keeping frequently accessed game data close to the cores, reducing memory latency penalties.

The CPU's nearest rival, the Intel Core Ultra 9 285HX, scores nearly identically in average benchmarks (76155 vs 76212). This suggests that in CPU-bound scenarios like 1080p Low in Rust, the two processors would perform similarly. The AMD Ryzen 9 9950X3D, which includes 3D V-Cache, is only 0.6% ahead in average score — yet in games that benefit from extra cache, it often pulls ahead significantly. The data here shows no such advantage in Rust's combo ranking, implying that Rust does not heavily reward additional cache beyond the 64 MB L3 already present.

GPU Role

The NVIDIA GeForce RTX 5070 is built on the Blackwell 2.0 architecture (chip GB205) using a 5 nm process at TSMC. It features 6144 shading units, 192 TMUs, and 80 ROPs, with 48 RT cores and 192 tensor cores. The GPU operates at a base clock of 2325 MHz and a boost clock of 2512 MHz. Memory consists of 12 GB GDDR7 on a 192-bit bus, providing 672.0 GB/s of bandwidth.

In Rust, the GPU's role becomes dominant at higher resolutions and quality settings. The measured FPS at 4K Ultra is 28 FPS, while at 1080p Low it is 161 FPS. The GPU's Passmark G3D score of 29137 places it in the 82nd percentile of all GPUs, but its in-game performance at 4K Ultra is below 30 FPS — a threshold many players consider unplayable. This discrepancy highlights that Rust's Ultra settings impose heavy rendering demands that challenge even a modern GPU.

The RTX 5070's 12 GB VRAM is a relevant factor. Rust's large worlds and many entities can consume significant memory, and at 4K Ultra, the GPU may be approaching its VRAM capacity. The measured FPS drop from High (37 FPS) to Ultra (28 FPS) at 4K — a 24.3% reduction — is steeper than the drop from Medium (44 FPS) to High (37 FPS), which is 15.9%. This increasing steepness suggests that Ultra settings introduce additional memory pressure that the 12 GB capacity struggles to manage.

The GPU's 30.87 TFLOPS FP32 performance and 482.3 GTexel/s texture rate are strong on paper. In Rust, the texture rate matters for the game's many surface details, while the pixel rate of 201.0 GPixel/s determines fill-rate bound scenarios. At 4K, the pixel rate becomes a constraint — 4K has 8.3 million pixels, and at 28 FPS, the GPU is filling 232 million pixels per second, which is close to its maximum capacity. This explains why 4K Ultra is the hardest configuration.

The GPU's nearest rivals in average benchmark score are professional workstation cards (AMD Radeon Pro 580 at 40318, 0.1% ahead), which have different driver optimizations and feature sets. In Rust, the RTX 5070's gaming-focused architecture with dedicated RT and tensor cores does not provide a measurable advantage, as the data shows the combo ranking is in the 47th percentile. The GPU's 82nd percentile standing among all GPUs does not translate to a top-half ranking in Rust, indicating that the game's engine does not fully utilize the RTX 5070's modern features.