Rust

The Intel Core i5-10400F and NVIDIA GeForce GTX 1070 pairing represents a classic mid-range build from the late 2010s, but the benchmark data for Rust reveals a system that is heavily constrained by its graphics card at higher resolutions while showing surprising CPU headroom. This analysis examines the measured FPS across three resolutions and four settings presets, interpreting what these numbers mean for a game known for its demanding survival mechanics and large player-built structures.

FAQ

Q: What is the best resolution for this combo to achieve a playable framerate?

A: At 1920x1080, the data shows average FPS ranging from 49 (Ultra) to 113 (Low), with Medium hitting 76 FPS. This is the only resolution where the average exceeds 60 FPS on multiple presets, making 1080p the clear choice for smooth gameplay.

Q: How does the CPU compare to its closest rivals in raw processing power?

A: The Core i5-10400F has an average benchmark score of 14185, placing it 0.2% ahead of the Intel Xeon 6756E (14163) and 0.5% ahead of the AMD EPYC 7552 (14115). It trails the Intel Core 7 160UL (14232) by 0.3% and the AMD Ryzen 3 7320C (14277) by 0.6%.

Q: What is the GPU's performance percentile relative to all tested graphics cards?

A: The GTX 1070 sits in the 47th percentile of all GPUs, with an average benchmark score of 9780. Its closest rival, the AMD FirePro W5000, scores 9803, which is 0.2% higher, while the NVIDIA Quadro M2000M (9832) is 0.5% faster.

Q: How severe is the framerate drop from 1080p to 4K at Medium settings?

A: The Medium preset drops from 76 FPS at 1080p to 52 FPS at 1440p, then falls to 31 FPS at 2160p. This represents a 59% reduction in average FPS from 1080p to 4K, indicating a severe GPU bottleneck at higher resolutions.

Q: Which settings preset provides the highest minimum framerate at 1440p?

A: At 2560x1440, only the Medium preset has a recorded minimum FPS of 44, with a maximum of 60. The other presets lack min/max data, but the Medium preset's 52 FPS average with a 44 FPS floor suggests it is the safest choice for stability.

Q: Does this combo rank in the top half of tested systems for Rust?

A: No, the combo ranks 3082 out of 3723 tested combinations, placing it in the bottom 17% of systems. This low ranking reflects the aging GPU and mid-range CPU, which struggle with Rust's demanding simulation and rendering loads.

CPU Role

The Intel Core i5-10400F provides 6 cores and 12 threads, running at a base clock of 2.90 GHz with a boost clock of 4.30 GHz. This Comet Lake architecture chip, built on a 14 nm process, features 64 KB of L1 cache per core, 256 KB of L2 per core, and 12 MB of shared L3 cache. The CPU's memory bandwidth is rated at 42.7 GB/s via dual-channel DDR4 support, and it connects to the system via PCIe Gen 3 with 16 lanes.

Benchmark results show a single-thread score of 688 in 3dmark and 1451 in Cinebench R23, while the multi-threaded scores reach 4735 in 3dmark max threads and 10283 in Cinebench R23. The PassMark multithread score of 12115 and single-thread score of 2541 further characterize this CPU as capable for gaming, though its 68th percentile ranking versus all CPUs indicates it is not a top-tier performer. In Rust, which heavily utilizes CPU for physics, entity management, and building integrity calculations, the 6-core/12-thread configuration provides sufficient parallel processing headroom.

The data suggests the CPU is not the primary limiting factor in this combo. At 1080p Low, the system achieves 113 FPS, and at 1080p Medium it reaches 76 FPS, which indicates that the CPU can feed the GPU adequately at these settings. The boost clock of 4.30 GHz helps maintain single-thread performance, which is critical for Rust's server-side and client-side logic. However, the lack of integrated graphics and locked multiplier means no overclocking headroom, but the 65W TDP keeps thermals manageable for a capable air cooler.

Comparing to its nearest rivals, the i5-10400F is nearly identical in average score to the Intel Xeon 6756E (0.2% faster) and AMD EPYC 7552 (0.5% faster), yet slightly behind the Intel Core 7 160UL (0.3% slower). This tight grouping suggests that for CPU-bound scenarios in Rust, swapping between these processors would yield negligible differences. The real bottleneck emerges at higher resolutions, where GPU load increases and the CPU's relatively modest multi-thread performance (Cinebench R23 multicore of 10283) becomes less relevant.

GPU Role

The NVIDIA GeForce GTX 1070, built on the Pascal architecture with a GP104 chip, offers 8 GB of GDDR5 memory on a 256-bit bus, delivering 256.3 GB/s of bandwidth. Its base clock runs at 1506 MHz with a boost of 1683 MHz, while the memory operates at 2002 MHz (8 Gbps effective). The GPU contains 1920 shading units, 120 TMUs, and 64 ROPs, with a pixel rate of 107.7 GPixel/s and a texture rate of 202.0 GTexel/s. FP32 performance is rated at 6.463 TFLOPS, placing it in the mid-range of the GeForce 10-series.

The GTX 1070's benchmark scores show strong DirectX 11 performance (PassMark DirectX 11 score of 100) but weaker DirectX 12 (score of 48) and DirectX 10 (score of 82) results. Its PassMark G3D score of 13498 and GPU compute score of 6102 indicate solid rasterization capabilities, though the 47th percentile ranking among all GPUs confirms its age. The nearest rivals include the AMD FirePro W5000 (0.2% faster) and NVIDIA Quadro M2000M (0.5% faster), all within a tight performance band.

In Rust, the GPU's 8 GB VRAM is sufficient for the game's textures and draw distances, but the Pascal architecture lacks modern features like hardware ray tracing and advanced shading. The measured FPS data illustrates the GPU's limits: at 4K Ultra, the average drops to 20 FPS, while at 1080p Low it reaches 113 FPS. This wide spread indicates that the GTX 1070 is heavily resolution-bound, with the 256-bit memory bus and 256.3 GB/s bandwidth struggling to feed the shader units at higher pixel counts.

The GPU's 150W TDP and single 8-pin power connector suggest a moderate power draw, but performance scaling from Medium to High settings shows diminishing returns. At 1440p, Medium yields 52 FPS while High drops to 44 FPS, a 15% reduction for increased visual quality. The 4K results are particularly telling: Medium hits 31 FPS, but High falls to 26 FPS and Ultra to 20 FPS, confirming that this GPU is not viable for 4K gaming in Rust except at Low settings (46 FPS).

Measured FPS Breakdown

At 1920x1080, the data shows a clear progression across settings. Low settings deliver an average of 113 FPS, which is the highest of any configuration tested. Medium settings produce 76 FPS with a minimum of 64 and maximum of 87, indicating good frame pacing. High settings lower the average to 64 FPS, while Ultra drops to 49 FPS. This resolution is the only one where the combo achieves above 60 FPS on multiple presets, making it the target for smooth gameplay.

Moving to 2560x1440, the framerates decline significantly. Low settings average 78 FPS, still playable but a 31% drop from 1080p Low. Medium settings average 52 FPS with a min of 44 and max of 60, which is borderline for competitive play. High settings fall to 44 FPS, and Ultra bottoms out at 33 FPS. The gap between Low and Ultra at 1440p is 45 FPS, highlighting the GPU's sensitivity to settings at this resolution.

At 3840x2160, performance collapses. Low settings average 46 FPS, which is the only playable preset at 4K. Medium settings average 31 FPS with a min of 26 and max of 35, while High drops to 26 FPS and Ultra to 20 FPS. The 4K data reveals a steep cliff: even Low settings cannot maintain 60 FPS, and the Ultra preset's 20 FPS average is nearly unplayable. The measured data lacks min/max values for most presets, but the Medium preset at each resolution provides the only complete frame time information.

Comparing across resolutions at the same settings, Medium shows the most complete data: 76 FPS at 1080p, 52 FPS at 1440p, and 31 FPS at 4K. This represents a 59% reduction from 1080p to 4K. Low settings follow a similar pattern: 113 FPS to 78 FPS to 46 FPS, a 59% drop. High settings go from 64 FPS to 44 FPS to 26 FPS, a 59% reduction as well. This consistent scaling indicates that the GPU is the primary bottleneck, with pixel count driving performance linearly.

How This Combo Ranks

The combo ranks 3082 out of 3723 tested combinations, placing it in the 83rd percentile from the bottom, or roughly the bottom 17% of systems. This ranking reflects the aging hardware: the GTX 1070's 47th percentile GPU score and the i5-10400F's 68th percentile CPU score combine to create a system that struggles with Rust's demanding engine. The rank is particularly low because Rust is both CPU-intensive (for entity updates and building physics) and GPU-intensive (for rendering large bases and landscapes).

The CPU's nearest rivals—the Intel Xeon 6756E, Intel Core 7 160UL, AMD EPYC 7552, and AMD Ryzen 3 7320C—all have average scores within 0.6% of the i5-10400F. This means that swapping the CPU for any of these would likely produce identical performance in Rust, as the GPU becomes the limiting factor at most settings. Similarly, the GPU's nearest rivals (AMD FirePro W5000, NVIDIA Quadro M2000M, NVIDIA Tesla M10, and NVIDIA Tesla C2070) are all within 0.7% of the GTX 1070's score, suggesting that any of these GPUs would perform nearly identically in this game.

The low combo rank is not surprising given the data. The measured FPS at 4K Ultra (20 FPS) and 1440p Ultra (33 FPS) are both below the threshold for smooth gameplay. Even at 1080p, the Ultra preset's 49 FPS average falls short of 60 FPS. The system's strength lies in lower settings: 1080p Low at 113 FPS and 1440p Low at 78 FPS are both competitive, but the overall ranking pulls down the combo's desirability for Rust players who prefer higher visual fidelity.

Settings Recommendations

For the best experience per the measured rows, the 1920x1080 Medium preset provides the optimal balance. With an average of 76 FPS, a minimum of 64 FPS, and a maximum of 87 FPS, this configuration maintains smooth gameplay above 60 FPS while offering better visual quality than Low settings. The 64 FPS minimum is particularly important, as it indicates that frame drops are unlikely to cause stuttering during intense combat or base raids.

If players prioritize maximum framerate, the 1080p Low preset delivers 113 FPS average, but this sacrifices visual fidelity. The 1440p Low preset offers a middle ground with 78 FPS, but the lower resolution at 1080p provides a more consistent experience. For those with 1440p monitors, the Medium preset at 52 FPS is the safest choice, as its 44 FPS minimum is still playable, though not ideal for fast-paced PvP.

Ultra settings are not recommended at any resolution. At 1080p, Ultra drops to 49 FPS; at 1440p, it falls to 33 FPS; and at 4K, it plummets to 20 FPS. The performance cost of Ultra settings is disproportionate to the visual gains, and the data shows that High settings at 1080p (64 FPS) provide only a 12 FPS advantage over Ultra (49 FPS) while looking nearly identical. The 4K resolution should be avoided entirely, as even Low settings only achieve 46 FPS, which is below the 60 FPS target for smooth gameplay.

Resolution Scaling

The FPS drop from 1080p to 4K is consistent across all settings, with each resolution step reducing performance by roughly 30%. From 1080p to 1440p, the average FPS drops by 31% (76 to 52 at Medium), and from 1440p to 4K, it drops by 40% (52 to 31 at Medium). The total reduction from 1080p to 4K is 59% at Medium settings, with similar percentages at Low (113 to 46, or 59%) and High (64 to 26, or 59%).

This linear scaling is a hallmark of a GPU-bound system. The GTX 1070's 256-bit memory bus and 256.3 GB/s bandwidth are simply insufficient to handle the pixel throughput required at 4K, where the GPU must process four times the number of pixels as 1080p. The CPU's role diminishes as resolution increases, as the i5-10400F's 6 cores and 12 threads are more than sufficient to feed the GPU at lower resolutions, but the GPU becomes the bottleneck at higher pixel counts.

The data implies that this combo is best utilized at 1080p, where the CPU can push high framerates and the GPU can keep up. At 1440p, the system becomes playable only at Low or Medium settings, and at 4K, it is only viable at Low settings with sub-60 FPS performance. The 59% drop from 1080p to 4K suggests that any resolution increase beyond 1080p requires a GPU upgrade, not a CPU upgrade, as the i5-10400F's benchmark scores (68th percentile) are significantly higher than the GTX 1070's (47th percentile). For Rust players, this means the CPU has headroom to support a more powerful GPU if the user chooses to upgrade, but the current combo is firmly a 1080p gaming solution.