Rust

The Intel Core i7-12700KF paired with the Intel Arc B370 in Rust presents a striking performance envelope, one where the GPU’s limitations dominate nearly every measurable frame rate. Data from the measured rows shows a system that is heavily constrained by the graphics processor, with the CPU’s substantial multi-threaded capabilities largely untapped at higher resolutions. This analysis examines how the combination scales across resolutions and settings, what the component specifications imply for gameplay, and where the pair lands relative to other tested setups.

Resolution Scaling — how FPS drops from 1080p to 4K and what it says about the limiting component

The transition from 1920x1080 to 3840x2160 reveals a steep and consistent performance cliff across all settings. At Low settings, the average frame rate falls from 69 FPS at 1080p to 48 FPS at 2560x1440, a drop of 21 FPS, and then further to 28 FPS at 4K, representing a cumulative reduction of 41 FPS from the starting point. This pattern indicates that the rendering load at higher resolutions is overwhelming the Intel Arc B370, which has a 3 nm process node, a base clock of 300 MHz, and a boost clock of 2400 MHz. The GPU’s memory configuration is “System Shared,” meaning it relies on the host system’s memory rather than dedicated VRAM, a factor that becomes increasingly problematic as pixel counts rise.

At Medium settings, the scaling is similar: 46 FPS at 1080p, 32 FPS at 1440p, and 19 FPS at 4K. The minimum FPS at Medium settings also declines from 39 at 1080p to 27 at 1440p and 16 at 4K, showing that not only averages but also consistency suffers. High settings show 39 FPS at 1080p, 27 FPS at 1440p, and 16 FPS at 4K, while Ultra settings drop from 30 FPS at 1080p to 20 FPS at 1440p and just 12 FPS at 4K. The ratio between 1080p and 4K at each setting is roughly 2.3x to 2.5x, which is close to the pixel count increase from 1080p to 4K (4x) but not exactly proportional, suggesting that while resolution is the dominant factor, other bottlenecks like memory bandwidth or shader throughput also play a role.

The data strongly implies the GPU is the limiting component. The CPU, Intel Core i7-12700KF, with 12 cores, 20 threads, a boost clock of 5.00 GHz, and a 25 MB shared L3 cache, has the raw processing power to handle Rust’s simulation and physics, as evidenced by its Cinebench R23 multicore score of 28838 and Passmark multithread score of 34092. Yet, at 4K Ultra, the system only manages 12 FPS, which is far below any playable threshold and points squarely at the GPU’s inability to process the increased pixel load. The Arc B370’s 1280 shading units, 40 TMUs, and 20 ROPs are simply too few to maintain frame rates as resolution increases, and the system shared memory bandwidth, noted as “System Dependent,” introduces further latency under heavy load.

GPU Role — VRAM, clocks, and how they relate to this game's results

The Intel Arc B370 is an integrated graphics processor (IGP) with a 25 W TDP, and its performance profile in Rust reflects that classification. Its memory size, type, and bus width are all listed as “System Shared,” which means there is no dedicated VRAM. This has direct implications for Rust, a game known for its large, persistent worlds and frequent asset streaming. With shared memory, the GPU must compete with the CPU for the same memory bandwidth, and the benchmark results suggest this contention is severe. At 1080p Low, the system achieves 69 FPS, which is the best result in the entire dataset, but even this is modest for a modern setup. At 1080p Ultra, the average drops to 30 FPS, and at 4K Ultra, it collapses to 12 FPS.

The GPU’s clocks are notable: a base of 300 MHz and a boost of 2400 MHz. The large gap between base and boost indicates that the GPU can scale its frequency under load, but the measured FPS suggests that even at boost clocks, the raw throughput is insufficient. The pixel rate is 48.00 GPixel/s and the texture rate is 96.00 GTexel/s, with FP32 performance at 6.144 TFLOPS. For a game like Rust, which relies heavily on draw calls and object rendering, these figures translate into the observed frame rates. At 1440p High, the average is 27 FPS, and at 4K High, it is 16 FPS, showing a clear halving of performance with each significant resolution step.

The GPU’s benchmark score is 1184 on 3DMark Steel Nomad DX12, placing it in the 5th percentile of all GPUs. Its nearest rivals include the ATI Mobility Radeon HD 5570 (score 1186, deltaPct -0.2), ATI Radeon HD 5770 (score 1190, deltaPct -0.5), and AMD Radeon HD 7650M (score 1192, deltaPct -0.7). These deltas are all within 1.4%, meaning the Arc B370 performs essentially at the level of these older, lower-end parts. In Rust, this translates to the observed frame rates, which are playable only at the lowest settings and resolutions. The GPU’s 10 RT cores and support for DirectX 12 Ultimate (12_2) indicate modern feature support, but that does not compensate for the lack of dedicated memory and limited shading units.

CPU Role — cores, clocks, and how they relate to this game's results

The Intel Core i7-12700KF is a high-end desktop processor from the Core 12th Gen series, based on Alder Lake architecture, with a 10 nm process node and a launch MSRP of $384. It has 12 cores and 20 threads, with a base clock of 3.60 GHz and a boost clock of 5.00 GHz. The cache hierarchy includes 80 KB of L1 per core, 1.25 MB of L2 per core, and 25 MB of shared L3 cache. This CPU is clearly not the bottleneck in Rust, as its benchmark scores demonstrate: Cinebench R23 multicore at 28838, Geekbench multicore at 14367, and Passmark multithread at 34092. In single-threaded tests, it achieves Cinebench R23 singlecore of 4071 and Geekbench singlecore of 2255, which are strong for handling game logic.

In Rust, the CPU’s role is to manage the simulation, including entity updates, physics, and network handling. The data suggests that even at 1080p Low, where the GPU is least stressed, the CPU does not constrain the frame rate, as the 69 FPS average is likely near the GPU’s limit. At higher resolutions, the CPU’s utilization likely decreases because the GPU cannot feed frames fast enough. The nearest rivals for the CPU include the Intel Core i7-13700T (avgScore 35403, deltaPct -0.1), Intel Core i5-13600T (avgScore 35305, deltaPct 0.2), and Intel Core i7-12700K (avgScore 35287, deltaPct 0.2). These deltas are negligible, meaning the 12700KF performs on par with these parts, which is expected given similar core counts and clocks.

The CPU’s memory support includes DDR4 and DDR5, with a dual-channel memory bus. In a system with shared GPU memory, the choice of memory speed and capacity could impact performance, but the FACT PACK does not specify the actual memory installed. What is clear is that the CPU has ample headroom, as its percentile vs all CPUs is 85, indicating it outperforms 85% of tested CPUs. However, in this specific combo, that headroom is wasted because the GPU holds the system back. For Rust, where large bases and many players can create CPU-intensive scenarios, this processor would likely handle those situations without issue, but the frame rate will still be capped by the Arc B370.

Settings Recommendations — which preset gives the best experience per the measured rows

Based on the measured FPS data, the best experience depends on the user’s priority for frame rate versus visual quality. At 1920x1080, the Low preset delivers an average of 69 FPS, which is the highest measured score in the entire dataset. This is the only setting where the system approaches smooth gameplay, and it is the clear recommendation for any competitive or action-oriented play. The Medium preset at 1080p yields 46 FPS, which is playable but with noticeable dips to 39 FPS minimums. High settings at 1080p drop to 39 FPS average, and Ultra falls to 30 FPS, which is borderline for Rust’s fast-paced firefights.

At 2560x1440, the Low preset achieves 48 FPS, which is still reasonably playable, but the Medium preset drops to 32 FPS (minimum 27), and High falls to 27 FPS. For 1440p, Low is the only viable option for smooth play, though some users might tolerate Medium if they prioritize visuals over frame rate. At 3840x2160, no preset reaches 30 FPS; Low is 28 FPS, Medium is 19 FPS, High is 16 FPS, and Ultra is 12 FPS. The data indicates that 4K is not a realistic target for this combo, and even Low settings will feel sluggish.

The recommendation is to use 1080p Low for the best balance of responsiveness and clarity, as the 69 FPS average provides a stable foundation. For users with high-refresh monitors, this is the only way to get near 60 FPS. If visual fidelity is more important, 1080p Medium at 46 FPS is a compromise, but the minimum FPS of 39 suggests occasional stutter. Ultimately, the GPU’s limitations force users to sacrifice resolution and settings to achieve playable frame rates, and the data shows no scenario where 4K is viable.

FAQ — 4-6 Q&A pairs answerable from FACT PACK data

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

A: The highest average FPS is 69, achieved at 1920x1080 resolution with Low settings.

Q: How does the Intel Arc B370 compare to its nearest GPU rivals?

A: The Arc B370 has an average benchmark score of 1184, while its nearest rivals include the ATI Mobility Radeon HD 5570 (1186, deltaPct -0.2), ATI Radeon HD 5770 (1190, deltaPct -0.5), and AMD Radeon HD 7650M (1192, deltaPct -0.7). The performance differences are all under 1.4%.

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

A: At 2560x1440, Low settings average 48 FPS, while Ultra settings average 20 FPS, a difference of 28 FPS.

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

A: The GPU is the limiting factor. The Intel Core i7-12700KF has a Cinebench R23 multicore score of 28838, while the Arc B370 ranks in the 5th percentile of all GPUs, and frame rates drop significantly with resolution, indicating GPU-bound performance.

Q: What is the combo’s rank among all tested combos in Rust?

A: The combo ranks 2710 out of 2953 combos, placing it in the bottom 8% of tested systems.

Q: What are the minimum FPS values for Medium settings at each resolution?

A: At 1920x1080, Medium minimum FPS is 39. At 2560x1440, it is 27. At 3840x2160, it is 16.

Measured FPS Breakdown — resolution by resolution, settings by settings, exact numbers

At 1920x1080, the measured average FPS values are as follows: Low settings yield 69 FPS, Medium settings yield 46 FPS with a minimum of 39 and maximum of 53, High settings yield 39 FPS, and Ultra settings yield 30 FPS. This resolution provides the only playable results, with Low being the standout performer. The jump from Low to Medium is 23 FPS, a significant loss, while the step from Medium to High is 7 FPS, and from High to Ultra is 9 FPS.

At 2560x1440, the averages are: Low 48 FPS, Medium 32 FPS (minimum 27, maximum 37), High 27 FPS, and Ultra 20 FPS. The drop from Low to Medium is 16 FPS, from Medium to High is 5 FPS, and from High to Ultra is 7 FPS. Compared to 1080p, each setting loses roughly 20-30% of its performance, with Low falling from 69 to 48 FPS, a 21 FPS reduction.

At 3840x2160, the averages are: Low 28 FPS, Medium 19 FPS (minimum 16, maximum 22), High 16 FPS, and Ultra 12 FPS. This resolution is uniformly below 30 FPS, making it unsuitable for gameplay. The difference between Low and Medium is 9 FPS, Medium to High is 3 FPS, and High to Ultra is 4 FPS. The scaling from 1440p to 4K shows Low dropping from 48 to 28 FPS, Medium from 32 to 19 FPS, High from 27 to 16 FPS, and Ultra from 20 to 12 FPS, indicating a consistent reduction of over 40% across all settings.

How This Combo Ranks — use comboRankInGame vs other tested combos

The combination of the Intel Core i7-12700KF and Intel Arc B370 ranks 2710 out of 2953 tested combos in Rust, placing it in the bottom 8.3% of all systems. This low ranking is driven almost entirely by the GPU’s poor performance, as the CPU is a high-end part that would normally place much higher. The data confirms that the Arc B370, with its 5th percentile GPU ranking, is the anchor dragging the combo down. For context, the GPU’s nearest rivals are all older, low-power parts, and the measured FPS numbers align with that comparison.

The CPU’s rank is 85th percentile, meaning it outperforms 85% of all CPUs, but this has little impact on the overall combo ranking because the GPU cannot translate that processing power into frame rates. In Rust, which is often CPU-intensive due to its large world and many entities, a stronger GPU would likely allow the 12700KF to shine, but with the Arc B370, the system is constrained to low-resolution, low-setting gameplay. The combo’s rank of 2710 suggests that most other tested pairs, even those with older CPUs, achieve better results because they use dedicated graphics cards. This ranking serves as a cautionary data point: a powerful CPU does not compensate for an underpowered GPU in a graphically demanding title like Rust.