Rust

# Rust Performance Analysis: Intel Core i5-12400F + AMD Radeon RX 7700

This configuration pairs Intel's 6-core Alder Lake processor with AMD's RDNA 3.0-based Radeon RX 7700, featuring 16 GB of GDDR6 memory on a 256-bit bus. Benchmark data shows this combo ranks 1295th out of 2953 tested configurations in Rust, placing it in the 56th percentile of all tested systems. The measured frame rates reveal a system that handles 1080p and 1440p gaming comfortably, while 4K Ultra settings push it to the edge of playability.

FAQ

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

A: The data indicates 2560x1440 with Low settings delivers 119 FPS average, while 1920x1080 with Low settings reaches 173 FPS. For balanced visuals, 1440p Medium provides 80 FPS average, which stays above the 60 FPS threshold.

Q: Can this system handle 4K gaming in Rust?

A: At 3840x2160, the combo achieves 40 FPS on High settings and 47 FPS on Medium. Ultra settings drop to 30 FPS average. Low settings at 4K produce 70 FPS, suggesting 4K is viable only with reduced graphical fidelity.

Q: How does the CPU compare to similar processors?

A: The Intel Core i5-12400F has an average benchmark score of 19039, placing it in the 73rd percentile of all CPUs. Its nearest rival, the AMD Ryzen 5 7535HS, scores 19047, a negligible 0% difference, indicating near-identical overall performance.

Q: What is the GPU's competitive position?

A: The AMD Radeon RX 7700 scores 20974 in Passmark G3D, placing it in the 58th percentile of all GPUs. Its average benchmark score of 15852 is 1.7% behind the NVIDIA GeForce RTX 3060 Ti (16129) and 1% behind the AMD Radeon RX 9060 (16014).

Q: Which settings preset offers the best frame rate stability?

A: Medium settings consistently provide the only measured minimum FPS values across all resolutions. At 1080p Medium, the minimum is 99 FPS with an average of 116 FPS. At 1440p Medium, minimum is 68 FPS with an average of 80 FPS. This preset shows the most consistent frame delivery.

Q: Is the CPU or GPU the limiting factor at lower resolutions?

A: At 1080p Low, the system reaches 173 FPS average, while 1440p Low achieves 119 FPS. The relatively small drop between these resolutions when using Low settings suggests the CPU is becoming a constraint at high frame rates, given the i5-12400F's 6-core/12-thread configuration.

GPU Role

The AMD Radeon RX 7700 is built on the Navi 32 chip using a 5 nm process from TSMC, containing 28,100 million transistors on a 346 mm² die. Its RDNA 3.0 architecture provides 2560 shading units, 160 texture mapping units, and 96 raster operation pipelines, along with 40 dedicated ray tracing cores. The GPU operates at a base clock of 1900 MHz, with a game clock of 2041 MHz and a boost clock reaching 2459 MHz. Memory runs at 2438 MHz, translating to 19.5 Gbps effective, across a 256-bit bus for a total bandwidth of 624.1 GB/s. The 16 GB GDDR6 frame buffer is substantial for Rust's large world textures and frequent asset streaming.

In Rust, the GPU's role becomes increasingly dominant as resolution rises. The measured data shows a clear pattern: at 1080p, the difference between Low (173 FPS) and Ultra (75 FPS) is 98 FPS, while at 4K, the spread between Low (70 FPS) and Ultra (30 FPS) is 40 FPS. This indicates that at higher resolutions, the RX 7700's raw pixel throughput and memory bandwidth dictate performance. The GPU's 624.1 GB/s bandwidth and 236.1 GPixel/s pixel rate are sufficient for 1440p gaming, where the card delivers 67 FPS on High settings, but the 30 FPS result at 4K Ultra shows the limits of this chip's compute capacity.

The GPU's benchmark position reinforces this analysis. With a Passmark G3D score of 20974, the RX 7700 sits in the 58th percentile of all GPUs, notably behind the RTX 3060 Ti by 1.7% in average benchmark score. The 16 GB memory capacity, while generous for Rust's long-duration sessions with many player-built structures, does not compensate for the raw compute deficit at extreme resolutions. The card's FP32 performance of 25.18 TFLOPS and texture rate of 393.4 GTexel/s are mid-range figures, which explains why 4K Ultra settings produce only 30 FPS average.

CPU Role

The Intel Core i5-12400F is a 6-core, 12-thread processor based on the Alder Lake architecture, manufactured on Intel's 10 nm process with a die size of 163 mm². It runs at a base clock of 2.50 GHz and boosts up to 4.40 GHz, with 18 MB of shared L3 cache and 1.25 MB of L2 cache per core. The CPU supports both DDR4 and DDR5 memory in dual-channel configuration, though the benchmark data does not specify which memory type was used in testing. Its 65 W TDP classifies it as a mainstream desktop part, and the lack of an unlocked multiplier means overclocking is not supported.

For Rust, a game known for heavy server-side simulation and player-driven world persistence, the CPU's multi-threaded capability is critical. The i5-12400F achieves a Cinebench R23 multi-core score of 12380 and a single-core score of 1680, placing it in the 73rd percentile of all CPUs. Its Passmark multithread score of 19433 and single-thread score of 3481 demonstrate balanced performance across both lightly and heavily threaded workloads. The 3DMark tests show scaling from 909 points in single-thread to 5912 points at max threads, indicating that the processor effectively utilizes all 12 threads when the workload demands it.

The CPU's impact on Rust performance becomes apparent when examining the frame rate deltas at lower resolutions. At 1080p, dropping from High (98 FPS) to Low (173 FPS) yields a 75 FPS increase, which is proportionally larger than the 29 FPS increase seen at 4K between the same settings (40 to 70 FPS). This pattern suggests that at 1080p, the CPU is more frequently the bottleneck, limiting how much the GPU can deliver. The processor's nearest rival, the AMD Ryzen 5 7535HS, scores 19047 in average benchmark, a 0% difference, confirming that the i5-12400F is competitively positioned in its performance class.

How This Combo Ranks

The combination of the Intel Core i5-12400F and AMD Radeon RX 7700 ranks 1295th out of 2953 tested configurations in Rust, placing it in the upper-middle tier of all tested systems. This ranking reflects a balanced pairing where neither component dramatically bottlenecks the other, though the GPU's 58th percentile standing is notably lower than the CPU's 73rd percentile, suggesting the graphics card is the more limiting factor in this duo.

The CPU's average benchmark score of 19039 sits within 0.3% of the Intel Core i5-1335U (18982) and 0.3% above the AMD EPYC 7773X (18979), while matching the AMD Ryzen 5 7535HS (19047) almost exactly. This clustering indicates the i5-12400F is firmly in a competitive performance band for processors. Meanwhile, the GPU's average score of 15852 is 1.7% behind the RTX 3060 Ti (16129) and 1.1% ahead of the AMD Radeon Pro W5500 (15679), showing it competes with previous-generation mid-range offerings.

In practical terms, the 1295th rank out of 2953 combos means this system outperforms roughly 56% of tested configurations in Rust specifically. The game's demanding nature, with its large persistent worlds and complex building mechanics, benefits from the CPU's strong multi-threaded scores, but the GPU's mid-pack positioning prevents this combo from achieving higher rankings. The measured frame rates confirm this: the system is capable of competitive play at 1080p and 1440p, but it does not reach the high refresh rate territory that top-ranked configurations would achieve.

Settings Recommendations

Based on the measured FPS data, Medium settings provide the optimal balance between visual quality and frame rate consistency across all resolutions. The Medium preset is the only one that includes minimum FPS measurements, indicating more stable frame delivery. At 1080p Medium, the system averages 116 FPS with a minimum of 99 FPS, which keeps gameplay smooth even during intense moments with many players and structures on screen. At 1440p Medium, the average drops to 80 FPS with a 68 FPS minimum, still above the 60 FPS playability threshold.

For players prioritizing competitive performance, Low settings at 1080p deliver 173 FPS average, which provides the headroom needed for high refresh rate monitors. At 1440p, Low settings still achieve 119 FPS, making this a viable option for those who prefer resolution over detail. High settings represent a middle ground: 98 FPS at 1080p and 67 FPS at 1440p, both playable but with less margin for frame drops.

Ultra settings are not recommended for this combo. At 1080p, Ultra produces 75 FPS average, which is acceptable but shows a 41% reduction from High settings. At 1440p, Ultra drops to 51 FPS, and at 4K it falls to 30 FPS, which is below the threshold for smooth gameplay. The data suggests that Medium is the sweet spot, offering a 18 FPS improvement over High at 1080p (116 vs 98) and a 13 FPS improvement at 1440p (80 vs 67), with the added benefit of measured minimum frame rates that indicate fewer stutters.

Measured FPS Breakdown

The complete frame rate data reveals a consistent scaling pattern across resolutions and settings. At 1920x1080, the system delivers 173 FPS on Low, 116 FPS on Medium (minimum 99, maximum 133), 98 FPS on High, and 75 FPS on Ultra. The 98 FPS gap between Low and Ultra at 1080p demonstrates significant scaling, but even the highest setting remains playable.

Moving to 2560x1440, performance drops to 119 FPS on Low, 80 FPS on Medium (minimum 68, maximum 92), 67 FPS on High, and 51 FPS on Ultra. The transition from 1080p to 1440p costs approximately 31% performance on Low settings (173 to 119 FPS), 31% on Medium (116 to 80), 32% on High (98 to 67), and 32% on Ultra (75 to 51). This uniform reduction indicates the GPU is becoming the primary constraint at this resolution.

At 3840x2160, the system manages 70 FPS on Low, 47 FPS on Medium (minimum 40, maximum 54), 40 FPS on High, and 30 FPS on Ultra. The 4K results show a dramatic drop from 1440p: Low settings fall 41% (119 to 70), Medium falls 41% (80 to 47), High falls 40% (67 to 40), and Ultra falls 41% (51 to 30). This consistency across settings suggests that at 4K, the GPU's pixel throughput is the definitive limiting factor, with the CPU's role diminishing significantly.

Resolution Scaling

The resolution scaling analysis reveals important insights about which component limits performance in Rust. From 1080p to 1440p, the frame rate drops by approximately 31-32% across all settings. This proportional decrease indicates that the GPU is the primary bottleneck even at 1440p, as the CPU has sufficient headroom to feed the graphics card at these frame rates.

From 1440p to 4K, the drop becomes more severe at 40-41% across all settings. The consistent 40% reduction at every quality preset — from Low to Ultra — strongly suggests that the RX 7700's memory bandwidth of 624.1 GB/s and pixel rate of 236.1 GPixel/s are saturated at 4K. The GPU's 16 GB frame buffer is not the issue; rather, the compute throughput of 25.18 TFLOPS cannot sustain higher frame rates at this resolution.

The limiting component analysis shows that at 1080p Low (173 FPS), the CPU is likely the constraint, as the i5-12400F's 6 cores cannot push frame rates much higher even with a more powerful GPU. However, at 1080p Ultra (75 FPS), the GPU becomes the limiting factor. The crossover point appears to be around 100 FPS: above this, the CPU's 6-core/12-thread configuration struggles to maintain pace; below this, the GPU's mid-range compute capacity holds back performance. This dual-bottleneck behavior is typical for mid-range pairings, where neither component is powerful enough to dominate across all settings and resolutions.