Rust

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

The AMD Ryzen 7 9700F is an 8-core, 16-thread processor built on the Zen 5 architecture (Granite Ridge) using TSMC's 4 nm process node. It runs at a 3.80 GHz base clock and boosts up to 5.50 GHz, with a 65 W TDP. This is a desktop-class chip on the AM5 socket with DDR5 memory support and a dual-channel memory bus delivering 89.6 GB/s of bandwidth. The CPU has 80 KB of L1 cache per core, 1 MB of L2 per core, and 32 MB of shared L3 cache.

In synthetic benchmarks, the 9700F posts a PassMark multithread score of 36,470 and a single-thread score of 4,691. Its integer math score is 120,788, floating-point math is 77,955, and it handles extended instructions at 33,688. The processor also scores 421,988 in data compression, 21,488 in data encryption, and 45,890 in random string sorting. These numbers place the CPU in the 94th percentile among all CPUs, with an average benchmark score of 69,996.

Relative to its nearest rivals, the 9700F is essentially neck-and-neck with the AMD Ryzen 9 7940HX (0.2% ahead), the Intel Core i7-14700KF (0.2% behind), the AMD Ryzen 9 7950X (0.7% ahead), and the Intel Core i7-14700K (0.9% ahead). This clustering means the 9700F's compute headroom is comparable to those high-end parts, which is relevant for Rust because the game's simulation and entity-update logic can scale with multithreaded performance.

For Rust specifically, the 9700F's 8 cores and 16 threads provide ample parallel processing for the game's world tick, NPC AI, and base-building physics. At 1080p Low settings, the combo achieves 126 FPS average, which suggests the CPU can feed the GPU well above 120 frames per second when the graphical load is light. The high single-thread score of 4,691 also matters because Rust's main thread often handles critical game logic that cannot be fully parallelized. The boost clock of 5.50 GHz is the key driver here — it ensures that single-core-bound sections of the game don't become a hard bottleneck.

How This Combo Ranks — use comboRankInGame vs other tested combos

The pairing of the Ryzen 7 9700F with the Radeon RX 6600 ranks 2,280 out of 2,953 tested combos in Rust. That places it in the bottom 23% of all system configurations measured in this game. This is a surprisingly low rank for a CPU that sits in the 94th percentile overall, which indicates that the GPU is the limiting factor in most scenarios.

To put that rank in context, the RX 6600 itself sits in the 63rd percentile among all GPUs, with an average benchmark score of 19,036. Its nearest rivals are the NVIDIA Quadro K6000 (0.0% delta), the NVIDIA GeForce RTX 4050 Mobile (0.1% behind), the NVIDIA Tesla K20m (0.3% behind), and the NVIDIA RTX 2000 Ada Generation (0.4% ahead). The GPU's PassMark G3D score is 15,096, and its DirectX 12 score is 51, which is low relative to its G3D score — a sign that the card's DX12 path may be underperforming in certain workloads.

The combo rank of 2,280 is consistent with the measured FPS data. At 1080p Ultra, the system only manages 54 FPS average, and at 4K Ultra it drops to 22 FPS. Even at 1080p Medium, the average is 85 FPS, which is respectable but not exceptional. The fact that the CPU is clearly capable — evidenced by its 126 FPS at 1080p Low — but the combo still ranks low suggests that the RX 6600's 8 GB VRAM and 128-bit memory bus are the primary constraints in Rust's higher settings.

The rank also reflects how Rust scales with GPU resources. Many of the 2,953 tested combos likely include faster GPUs that push higher frame rates at the same settings. The 9700F's strong CPU scores (36,470 multithread, 94th percentile) do not translate into a high combo rank because Rust's frame rate at 1080p Medium and above is more dependent on the GPU's raw rasterization throughput and memory bandwidth than on CPU compute.

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

The measured FPS data shows a clear pattern of resolution scaling that reveals where the bottleneck lies. At 1080p Low, the system achieves 126 FPS. Moving to 1440p Low drops that to 87 FPS (-31%), and at 4K Low it falls to 51 FPS (-60% from 1080p). This steep decline with resolution at Low settings indicates that the GPU is the limiting component even when the graphical load is minimal — a stronger CPU would not recover those frames because the RX 6600's rasterization throughput is already maxed out.

At Medium settings, the scaling is similar but slightly less steep in percentage terms. The system hits 85 FPS at 1080p, 58 FPS at 1440p (-32%), and 34 FPS at 4K (-60% from 1080p). The min and max FPS at 1440p Medium are 49 and 67, respectively, while at 4K Medium they are 29 and 40. This tighter range at higher resolutions suggests that the GPU is consistently saturated, leaving little variance from frame-to-frame.

High settings show a different story. At 1080p High, the average is 71 FPS, dropping to 49 FPS at 1440p (-31%) and 29 FPS at 4K (-59% from 1080p). The percentage drop from 1080p to 4K is remarkably consistent across all settings — roughly 59-60% — which is a hallmark of a GPU-bound scenario. If the CPU were the bottleneck at 1080p, you would expect a smaller percentage drop when moving to 4K, because the GPU would have more work to do per frame while the CPU's workload stays relatively constant.

Ultra settings confirm this. At 1080p Ultra, the average is 54 FPS, at 1440p it's 37 FPS (-31%), and at 4K it's 22 FPS (-59% from 1080p). The consistent ~60% reduction from 1080p to 4K across Low, Medium, High, and Ultra strongly indicates that the RX 6600's pixel throughput and memory bandwidth (224.0 GB/s over a 128-bit bus) are the primary constraints. The 9700F's 89.6 GB/s memory bandwidth and 32 MB L3 cache are more than sufficient to feed the GPU at these resolutions.

FAQ

Q: What is the best resolution for this combo in Rust?

A: At 1080p, the system delivers 126 FPS on Low, 85 FPS on Medium, 71 FPS on High, and 54 FPS on Ultra. At 1440p, those numbers drop to 87, 58, 49, and 37, respectively. The 1080p Medium setting offers the best balance of smoothness and visual quality, with 85 FPS average and a min of 72 FPS.

Q: Is the CPU or GPU more limiting in Rust with this setup?

A: The GPU is the limiting factor. Evidence comes from the consistent ~60% FPS drop from 1080p to 4K across all settings (e.g., 126 to 51 FPS on Low, 85 to 34 on Medium). The RX 6600 ranks in the 63rd percentile among GPUs, while the 9700F sits in the 94th percentile among CPUs, and the combo still ranks 2,280 out of 2,953 in Rust.

Q: How does the Ryzen 7 9700F compare to its nearest rivals in CPU benchmarks?

A: The 9700F is within 1% of all four nearest rivals. It is 0.2% ahead of the Ryzen 9 7940HX, 0.2% behind the Core i7-14700KF, 0.7% ahead of the Ryzen 9 7950X, and 0.9% ahead of the Core i7-14700K. This means CPU performance differences are negligible in Rust.

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

A: The lowest average FPS is 22 at 4K Ultra settings. The lowest individual frame reading is 29 FPS (min) at 4K Medium. At 1080p Medium, the min FPS is 72, which is the lowest recorded frame at that resolution.

Q: Does the RX 6600's VRAM capacity affect Rust performance?

A: The GPU has 8 GB of GDDR6 memory on a 128-bit bus with 224.0 GB/s bandwidth. At 4K High, the system averages 29 FPS, and at 4K Ultra it drops to 22 FPS. These low results, combined with the GPU's 63rd percentile ranking, suggest that both VRAM capacity and bandwidth are insufficient for higher resolutions in Rust.

Q: How does the combo rank compare to the individual components' percentiles?

A: The CPU is in the 94th percentile, the GPU is in the 63rd percentile, but the combo ranks 2,280 out of 2,953 (bottom 23%) in Rust. This large gap shows that the GPU's weaker standing drags down the overall gaming experience despite the CPU's strong relative performance.

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

The AMD Radeon RX 6600 is built on the RDNA 2.0 architecture with the Navi 23 chip, fabricated on TSMC's 7 nm process. It has 8 GB of GDDR6 memory on a 128-bit bus, delivering 224.0 GB/s of bandwidth. The GPU's base clock is 1626 MHz, with a game clock of 2044 MHz and a boost clock of 2491 MHz. Memory runs at 1750 MHz (14 Gbps effective). The card has 1,792 shading units, 112 TMUs, and 64 ROPs, with 28 ray-tracing cores. Its pixel rate is 159.4 GPixel/s, texture rate is 279.0 GTexel/s, and FP32 performance is 8.928 TFLOPS.

In synthetic benchmarks, the RX 6600 scores 15,096 in PassMark G3D and 6,554 in GPU compute. Its Geekbench Metal score is 88,398, OpenCL is 28,850, and Vulkan is 67,623. The 3DMark Steel Nomad DX12 score is 1,492. These numbers place the GPU in the 63rd percentile among all GPUs, with an average benchmark score of 19,036. Its nearest rivals include the Quadro K6000 (0.0% delta), RTX 4050 Mobile (0.1% behind), Tesla K20m (0.3% behind), and RTX 2000 Ada Generation (0.4% ahead) — all within a fraction of a percent, meaning the RX 6600's raw compute is comparable to those parts.

In Rust, the GPU's role is decisive. At 1080p Low, the system hits 126 FPS, but that falls to 54 FPS at 1080p Ultra — a 57% drop from just raising settings. At 4K, the range is 51 FPS on Low down to 22 FPS on Ultra. This sensitivity to settings is typical of a GPU with 8 GB VRAM and a 128-bit memory interface. Rust's draw distances, texture streaming, and post-processing effects can quickly exceed what the card's memory bandwidth can handle at higher presets.

The RX 6600's 28 ray-tracing cores are present but not a differentiator in Rust, which does not heavily rely on RT effects. The card's DirectX 12 benchmark score of 51 (out of the PassMark suite) is low relative to its DirectX 11 score of 152, which may indicate that the GPU's DX12 path is not fully optimized. This could explain why Rust, which runs on Unity with DX12 support, doesn't scale as well as expected on this card.

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

The measured FPS data provides a clear picture of what each settings preset delivers. At 1080p, the options are: Low at 126 FPS, Medium at 85 FPS (min 72, max 97), High at 71 FPS, and Ultra at 54 FPS. The step from Low to Medium costs 41 FPS (a 33% drop), while Medium to High costs 14 FPS (a 16% drop), and High to Ultra costs 17 FPS (a 24% drop). The Medium preset offers the best compromise: it maintains an average above 60 FPS with a minimum of 72 FPS, ensuring smooth gameplay without perceptible stutter.

At 1440p, the situation tightens. Low gives 87 FPS, Medium drops to 58 FPS (min 49, max 67), High is 49 FPS, and Ultra falls to 37 FPS. Only the Low preset stays above 60 FPS. For 1440p gaming, Medium is the highest playable option if you can tolerate occasional dips to 49 FPS, but Low is the only preset that guarantees a consistently smooth experience. The 49 FPS minimum at Medium means you will see frame drops below 60, which can be noticeable in a survival game like Rust where quick reactions matter.

At 4K, none of the presets deliver a playable experience. Low averages 51 FPS, Medium 34 FPS (min 29, max 40), High 29 FPS, and Ultra 22 FPS. Even the Low preset will drop below 60 FPS frequently, and the minimum at Medium is 29 FPS, which is borderline unplayable for competitive gameplay. The 4K results are best ignored for this combo.

The optimal recommendation is 1080p Medium. It delivers 85 FPS average with a 72 FPS minimum, which is above the 60 FPS threshold for smoothness. The jump to High costs 14 FPS (down to 71) for marginal visual gains, while Ultra costs another 17 FPS (down to 54), pushing the system below 60 FPS. If you prefer maximum visual fidelity and can tolerate 54 FPS, Ultra at 1080p is viable, but Medium is the sweet spot for consistent performance. For 1440p, stick with Low at 87 FPS to maintain fluidity — the Medium preset's 58 FPS average with 49 FPS minimum is playable but may feel inconsistent in busy scenes.