Rust

Resolution Scaling

The measured FPS data for Rust with this AMD Ryzen 5 8400F + NVIDIA GeForce GTX 1050 Ti combo shows a steep and consistent penalty as resolution climbs. At 1920x1080 with Low settings, the average is 51.3 FPS. Moving to 2560x1440 Low drops that to 36.7 FPS, a 28% reduction. Pushing further to 3840x2160 Low yields only 23.3 FPS, which is less than half of the 1080p result. This scaling pattern is characteristic of a graphics card that is saturated well before the CPU becomes a limiting factor.

The gap between Low and Ultra settings widens dramatically at higher resolutions. At 1080p, the spread from Low (51.3 FPS) to Ultra (23.2 FPS) is 28.1 FPS. At 1440p, that spread narrows to 20.4 FPS (Low at 36.7 vs Ultra at 16.3). At 4K, the spread shrinks further to 11.9 FPS (Low at 23.3 vs Ultra at 11.4). This compression indicates that the GPU is already struggling to maintain frame throughput even at Low settings, so the additional load from higher presets has diminishing absolute impact.

The data reveals that this is overwhelmingly a GPU-bound scenario. The GTX 1050 Ti, with its 4 GB of GDDR5 memory and 112.1 GB/s bandwidth, simply cannot feed frames fast enough at 1440p or 4K. Even at 1080p Medium, the average of 37.4 FPS suggests the card is working near its practical ceiling for playable performance. The CPU's role is secondary here; the Ryzen 5 8400F has ample headroom, as evidenced by its strong synthetic scores, but the GPU bottleneck masks that potential in this title.

Settings Recommendations

For a playable experience, the data points clearly to 1920x1080 as the only viable resolution. At 1080p Low, the combo achieves 51.3 FPS, which is the only measured configuration that crosses the 50 FPS threshold. This should be the baseline for any serious session. 1080p Medium delivers 37.4 FPS, which is acceptable for a slower-paced survival game like Rust, where reaction times matter less than in competitive shooters. However, the jump from Low to Medium costs roughly 27% of the frame rate, so players prioritizing smoothness should stay on Low.

The High preset at 1080p yields 28.6 FPS, which is borderline. Rust's gameplay involves building, resource gathering, and occasional PvP encounters; 28 FPS will feel stuttery during combat. Ultra at 1080p drops to 23.2 FPS, which is not recommended under any circumstances. At 1440p, even Low settings only reach 36.7 FPS, and Medium falls to 24.9 FPS. The 4K results are uniformly poor, with the best case being Low at 23.3 FPS and Ultra at 11.4 FPS. These are not playable numbers for a game that requires quick camera movements.

The practical recommendation is 1080p Low for consistent frame delivery, with 1080p Medium as an option for those who prefer visual fidelity and can tolerate sub-40 FPS. A compromise approach would be to run Low settings but adjust the resolution scaling option within Rust's graphics menu, if available, to find a middle ground between the 51.3 FPS Low and 37.4 FPS Medium results. Avoid High and Ultra entirely; the measured data shows diminishing visual returns against steep frame rate losses.

How This Combo Ranks

This specific combination of AMD Ryzen 5 8400F and NVIDIA GeForce GTX 1050 Ti ranks 1685 out of 1717 tested combos in Rust. That places it in the bottom 2% of all configurations measured, which is a stark indication of how poorly the GPU holds back the system. The CPU itself is not the problem; the Ryzen 5 8400F sits in the 82nd percentile against all CPUs, with an average benchmark score of 25064. Its nearest rivals include the AMD Ryzen 7 2700X (avg score 25057, 0% delta) and the AMD Ryzen 5 7500F (avg score 24993, 0.3% delta), showing it performs on par with much older and newer chips.

The GPU tells a different story. The GTX 1050 Ti ranks in the 30th percentile against all GPUs, with an average benchmark score of 5316. Its nearest rivals are the NVIDIA GeForce 930A (5317, 0% delta) and the NVIDIA GeForce 940M (5297, 0.4% delta) — both mobile or entry-level parts. This pairing of a top-tier CPU with a bottom-tier GPU creates a massive imbalance. The combo rank of 1685/1717 reflects that the system's performance is gated almost entirely by the graphics card. In Rust, which is known for its demanding rendering of large open-world environments, this bottleneck is particularly punishing.

Measured FPS Breakdown

The full matrix of measured results is as follows. At 1920x1080: Low averages 51.3 FPS, Medium 37.4 FPS, High 28.6 FPS, and Ultra 23.2 FPS. At 2560x1440: Low averages 36.7 FPS, Medium 24.9 FPS, High 22.7 FPS, and Ultra 16.3 FPS. At 3840x2160: Low averages 23.3 FPS, Medium 12.9 FPS, High 12.5 FPS, and Ultra 11.4 FPS.

The pattern is monotonic across all resolutions: Low always beats Medium, Medium always beats High, and High always beats Ultra. The relative differences, however, are not uniform. At 1080p, the drop from Low to Medium is 13.9 FPS, from Medium to High is 8.8 FPS, and from High to Ultra is 5.4 FPS. This suggests that the GPU's shading units and texture units are the limiting factor; as resolution increases, the gap between presets narrows because the card is already at its memory bandwidth ceiling.

The 4K results are particularly telling. The difference between Low (23.3 FPS) and Medium (12.9 FPS) is a massive 10.4 FPS, but the difference between High (12.5 FPS) and Ultra (11.4 FPS) is only 1.1 FPS. This indicates that at 4K, the 4 GB VRAM buffer is exhausted, and the card is thrashing memory. The 112.1 GB/s bandwidth is insufficient for 8.3 million pixels, causing severe frame pacing issues that the average FPS numbers only partially capture.

GPU Role

The NVIDIA GeForce GTX 1050 Ti is the clear performance limiter in this configuration. Its specs are modest by modern standards: 768 shading units, 48 texture mapping units, and 32 raster operations pipelines. The base clock is 1291 MHz with a boost of 1392 MHz, and it operates on the Pascal architecture using a 14 nm process from Samsung. The card has 4 GB of GDDR5 memory on a 128-bit bus, yielding a bandwidth of 112.1 GB/s. These numbers place it firmly in entry-level territory, and the benchmark data confirms this: its passmark G3D score is 6340, and its 3DMark Steel Nomad DX12 score is just 305.

In Rust, the GPU's limitations manifest in two ways. First, the 4 GB VRAM is simply not enough for the game's large textures and draw distances at higher settings. The measured FPS collapse between Medium and High at 1080p (37.4 to 28.6) suggests texture streaming is causing hitches. Second, the FP32 throughput of 2.138 TFLOPS is too low for the game's shader complexity. The pixel rate of 44.54 GPixel/s and texture rate of 66.82 GTexel/s look adequate on paper for 1080p, but the real-world results show otherwise. The card's TDP of 75 W is low, allowing it to run cool, but that power budget also caps its performance ceiling.

The GPU's percentile ranking of 30 against all GPUs is damning. It sits alongside the NVIDIA GeForce 940M, a laptop part, in the nearest rivals list. This is not a card designed for modern gaming at high settings; it was released in 2016 as an entry-level desktop option. In Rust, which has continued to receive graphical updates since its 2018 release, the GTX 1050 Ti is out of its depth at anything above Low settings.

CPU Role

The AMD Ryzen 5 8400F is a strong processor that is wasted in this pairing for Rust. It has 6 cores and 12 threads, with a base clock of 4.20 GHz and a boost clock of 4.70 GHz. Built on the Zen 4 architecture using a 4 nm TSMC process, it features 16 MB of shared L3 cache and 1 MB of L2 cache per core. The CPU supports DDR5 memory with a dual-channel bus and a theoretical bandwidth of 83.2 GB/s. Its synthetic benchmarks are impressive: Cinebench R23 multicore scores 20851, single-core scores 2943, and PassMark multithread scores 24530.

In Rust, the CPU's job is to handle game logic, entity updates, and the procedural world generation. The 8400F is more than capable of this, as evidenced by its 82nd percentile ranking against all CPUs. However, the measured FPS data shows no scenario where the CPU becomes the bottleneck. Even at 1080p Low, where the GPU is least stressed, the average of 51.3 FPS is below what this CPU should be capable of delivering if paired with a more powerful GPU. The CPU's boost clock of 4.70 GHz is sufficient for Rust's single-threaded aspects, and the 12 threads handle the game's multi-threaded systems without issue.

The nearest CPU rivals reinforce this picture. The AMD Ryzen 7 2700X, a 2018 part, matches the 8400F's average score almost exactly (25057 vs 25064, 0% delta). This means the 8400F is not a performance outlier; it is a solid mid-range chip. The problem is that the GTX 1050 Ti cannot translate CPU performance into frame rate. For this combo to achieve higher FPS in Rust, the GPU would need to be replaced. The CPU is not the constraint, and its 65 W TDP and unlocked multiplier make it a good foundation for a future GPU upgrade.