Rust

FAQ

Q: How does the AMD Ryzen 5 7500X3D perform in Rust relative to its closest CPU rivals?

A: The Ryzen 5 7500X3D has an average benchmark score of 44,573, placing it 0.2% ahead of the Intel Core Ultra X9 388H, 0.5% ahead of the Intel Core i9-13950HX, and 0.6% ahead of the AMD Ryzen AI Max 385. Conversely, it trails the Intel Core i5-14600 by 0.7%. This places the CPU in the 89th percentile among all tested CPUs.

Q: What is the Intel Arc B390's standing among GPUs based on its benchmark score?

A: The Arc B390 scores 1,482 in the 3DMark Steel Nomad DX12 test, placing it in the 9th percentile among all GPUs. Its nearest rivals are the NVIDIA GeForce GT 520MX (1.3% faster), GeForce 800M (1.5% faster), GeForce GT 625 OEM (2.5% faster), and GeForce GT 710 (2.7% faster).

Q: What is the best frame rate achievable with this combo at 1080p?

A: The highest average FPS recorded is 76, achieved at 1920x1080 with Low settings. The Medium preset yields 51 FPS, High yields 43 FPS, and Ultra yields 33 FPS at the same resolution.

Q: How does the combo rank among all tested hardware combinations in Rust?

A: The combination of the AMD Ryzen 5 7500X3D and Intel Arc B390 ranks 2,601st out of 2,953 tested combos in Rust, placing it in the lower 12% of all configurations tested for this game.

Q: Does the Intel Arc B390 have dedicated VRAM?

A: No, the Arc B390 uses "System Shared" memory, meaning it relies on the system's main memory rather than dedicated video memory. Its memory bandwidth is listed as "System Dependent," and the memory clock is also "System Shared."

Q: What are the key specifications of the AMD Ryzen 5 7500X3D?

A: The CPU features 6 cores and 12 threads with a base clock of 4.00 GHz and a boost clock of 4.50 GHz. It has 96 MB of shared L3 cache and a TDP of 65 W. Its PassMark single-thread score is 3,494 and its multithread score is 25,047.

Settings Recommendations

Based on the measured FPS data, the optimal balance between visual fidelity and playability appears at 1920x1080 with Low settings, where the combo achieves an average of 76 FPS. This is the only configuration in the entire dataset that exceeds 60 FPS, making it the sole option for smooth gameplay in Rust.

Moving to Medium at 1080p drops the average to 51 FPS, which remains technically playable but falls below the 60 FPS threshold that many users consider the baseline for responsive gameplay. The High preset at 1080p yields 43 FPS, and Ultra drops further to 33 FPS.

At 2560x1440, the Low preset produces 53 FPS, which is close to playable but still below 60. Medium at 1440p drops to 35 FPS, High to 30 FPS, and Ultra to 23 FPS. None of these configurations reach the 60 FPS mark.

At 3840x2160, all presets fall well below playable thresholds: Low averages 31 FPS, Medium 21 FPS, High 18 FPS, and Ultra 13 FPS. The data indicates that 4K gaming is not viable with this hardware combination for Rust.

The recommendation is clear: users should select 1080p with Low settings to maximize frame rate. If visual quality is a priority, Medium at 1080p offers a compromise at 51 FPS, but the performance penalty of roughly 33% compared to Low may not justify the visual gain. The measured minimum FPS at Medium 1080p is 44, which means even the worst-case frame time stays within a reasonable range for this preset.

GPU Role

The Intel Arc B390 is an integrated graphics processor (IGP) built on Intel's 3 nm process with the Xe3-LPG architecture, derived from the Panther Lake chip. It operates with a base clock of 300 MHz and a boost clock of 2500 MHz, with a TDP of 80 W. The GPU has 1,536 shading units, 48 texture mapping units, and 24 raster operation pipelines, along with 12 ray tracing cores.

The most significant limitation is the memory configuration: the Arc B390 uses "System Shared" memory, meaning it has no dedicated VRAM. This forces the GPU to share the system's DDR5 memory bandwidth, which is 83.2 GB/s for the Ryzen 5 7500X3D's dual-channel configuration. The GPU's memory bandwidth is explicitly listed as "System Dependent," indicating that performance scales with the host system's memory capabilities.

In Rust, the impact of this shared memory architecture is evident in the frame rates. At 1080p Low, the combo achieves 76 FPS, but increasing resolution to 1440p drops this to 53 FPS, and 4K reduces it to 31 FPS. This pattern suggests that the GPU is the primary bottleneck when resolution increases, as the shared memory bandwidth becomes insufficient to feed the render pipeline at higher pixel counts.

The GPU's 7.680 TFLOPS of FP32 compute is modest by modern standards, and its 60.00 GPixel/s pixel rate and 120.0 GTexel/s texture rate indicate limited fill-rate capabilities. The 3DMark Steel Nomad score of 1,482 places the GPU in the 9th percentile, and its nearest rivals are all legacy NVIDIA mobile or OEM parts, confirming that this is a low-end graphics solution.

In Rust, which is known for its CPU-intensive simulation and rendering, the GPU's limitations become more pronounced at higher resolutions. The measured FPS data shows that the GPU is capable of pushing 76 FPS at 1080p Low, but the lack of dedicated VRAM likely contributes to the steep performance degradation as resolution increases, since the shared memory bus becomes a contention point between CPU and GPU workloads.

Measured FPS Breakdown

At 1920x1080, the combo delivers its best performance. The Low preset averages 76 FPS, which is the highest recorded value across all configurations. Medium averages 51 FPS with a minimum of 44 and a maximum of 59, indicating reasonably stable frame times. High averages 43 FPS, and Ultra averages 33 FPS. The progression from Low to Ultra represents a 56.6% performance drop, from 76 FPS down to 33 FPS.

At 2560x1440, the Low preset averages 53 FPS, which is a 30.3% reduction compared to the same settings at 1080p. Medium averages 35 FPS with a minimum of 30 and a maximum of 41. High averages 30 FPS, and Ultra averages 23 FPS. The gap between Low and Ultra at 1440p is 56.6%, matching the proportional drop seen at 1080p, which suggests that the settings scaling is consistent regardless of resolution.

At 3840x2160, the Low preset averages 31 FPS, a 59.2% drop from the 1080p Low result. Medium averages 21 FPS with a minimum of 18 and a maximum of 24. High averages 18 FPS, and Ultra averages 13 FPS. The Ultra preset at 4K is the lowest recorded performance, delivering only 13 FPS on average.

The Medium preset is the only one with complete min/max data across all three resolutions. At 1080p, the frame range is 44 to 59 FPS; at 1440p, it is 30 to 41 FPS; and at 4K, it is 18 to 24 FPS. This data indicates that frame pacing remains relatively consistent, with the spread between minimum and maximum staying around 15 FPS at 1080p and narrowing to 6 FPS at 4K.

The ratio between resolutions shows a clear pattern: moving from 1080p to 1440p at Medium settings reduces the average FPS from 51 to 35, a 31.4% decrease. Moving from 1440p to 4K at Medium reduces it from 35 to 21, a 40% decrease. The cumulative drop from 1080p to 4K at Medium is 58.8%, which is slightly larger than the drop at Low settings (59.2% from 76 to 31).

How This Combo Ranks

The combination of the AMD Ryzen 5 7500X3D and Intel Arc B390 ranks 2,601st out of 2,953 tested combos in Rust, placing it in the bottom 11.9% of all configurations. This rank reflects the GPU's severe performance limitation, as the CPU is a relatively strong component.

The CPU alone sits in the 89th percentile among all CPUs, with an average benchmark score of 44,573. This is 0.2% above the Intel Core Ultra X9 388H, 0.5% above the Intel Core i9-13950HX, and 0.6% above the AMD Ryzen AI Max 385, while being 0.7% below the Intel Core i5-14600. The CPU's PassMark multithread score of 25,047 and single-thread score of 3,494 indicate solid performance for a 6-core, 12-thread part.

In contrast, the GPU sits in the 9th percentile among all GPUs, with a 3DMark Steel Nomad score of 1,482. Its nearest rivals are the NVIDIA GeForce GT 520MX, GeForce 800M, GeForce GT 625 OEM, and GeForce GT 710, all of which are substantially older and less capable parts.

The massive discrepancy between the CPU's 89th percentile ranking and the GPU's 9th percentile ranking means that the combo's overall position in Rust is dragged down almost entirely by the GPU. The measured FPS data confirms this: even at 1080p Low, the combo only achieves 76 FPS, which is far below what the CPU alone could deliver if paired with a more capable GPU.

Given that the combo ranks below 88% of all tested configurations, users should expect Rust to be playable only at the lowest settings and resolution. The data shows that the GPU is the limiting factor in virtually every scenario, as the CPU has sufficient headroom to drive higher frame rates if the graphics subsystem could keep pace.

CPU Role

The AMD Ryzen 5 7500X3D is a 6-core, 12-thread processor based on the Zen 4 Raphael architecture, manufactured on TSMC's 5 nm process. It has a base clock of 4.00 GHz and a boost clock of 4.50 GHz, with a TDP of 65 W. The CPU features 96 MB of shared L3 cache, which is a significant amount for a desktop part and is designed to improve gaming performance by reducing memory latency.

The CPU's PassMark scores show a balanced profile: a single-thread score of 3,494, a multithread score of 25,047, an integer math score of 70,774, and a floating-point math score of 43,594. The data compression score of 271,649 and encryption score of 15,797 further indicate strong computational throughput. The physics score of 2,779 and extended instructions score of 20,455 are also notable.

Rust is a CPU-intensive game due to its large world simulation, entity tracking, and procedural generation. The Ryzen 5 7500X3D's 96 MB L3 cache is particularly well-suited for this type of workload, as it can hold more of the game's working set in fast cache memory. However, the measured FPS data shows that the CPU's capabilities are not fully utilized because the GPU is the bottleneck.

At 1080p Low, the combo achieves 76 FPS. If the GPU were not limiting, the CPU could potentially drive higher frame rates, but the Arc B390's shared memory architecture and low compute throughput cap performance. The fact that FPS drops by 30.3% when moving from 1080p to 1440p at Low settings (76 to 53 FPS) indicates that the GPU is already saturated at 1080p, as a CPU-bound scenario would show minimal FPS change with resolution.

The CPU's memory bandwidth of 83.2 GB/s is shared with the GPU, which further complicates performance. Since the Arc B390 uses system memory, the CPU and GPU compete for the same memory bandwidth, potentially causing contention that reduces effective throughput for both components.

The CPU's 89th percentile ranking and its position relative to rivals like the Intel Core Ultra X9 388H (0.2% behind) and Intel Core i5-14600 (0.7% ahead) suggest that it is a competent gaming processor. However, in this specific combo, the CPU's role is largely underutilized because the GPU cannot keep pace, especially at higher resolutions.

Resolution Scaling

The measured FPS data reveals a consistent pattern of performance degradation as resolution increases. At Low settings, the average FPS drops from 76 at 1080p to 53 at 1440p (a 30.3% decrease) and then to 31 at 4K (a 41.5% decrease from 1440p, or 59.2% from 1080p). At Medium settings, the progression is 51 to 35 to 21, representing a 31.4% drop from 1080p to 1440p and a 40% drop from 1440p to 4K.

The scaling pattern indicates that the GPU is the primary limiting component. If the CPU were the bottleneck, the FPS would remain relatively constant across resolutions, since the CPU workload is largely independent of pixel count. Instead, the substantial FPS drops with each resolution increase point to the GPU's fill-rate and memory bandwidth constraints.

The Arc B390's shared memory architecture is particularly problematic at higher resolutions. At 4K, the GPU must access four times the pixel data of 1080p, and the shared system memory bandwidth becomes a severe bottleneck. The fact that 4K Low (31 FPS) performs worse than 1080p Ultra (33 FPS) suggests that the resolution increase has a more significant impact than the settings change, further confirming the GPU's limitations.

Interestingly, the proportional drop between settings is consistent across resolutions: Low to Ultra represents a 56.6% FPS reduction at 1080p, 56.6% at 1440p, and 58.1% at 4K. This consistency suggests that the settings scaling is uniform, but the resolution scaling is not — the drop from 1080p to 4K is disproportionately large compared to the pixel count increase.

The data also shows that the Medium preset's minimum FPS scales linearly with resolution: 44 at 1080p, 30 at 1440p, and 18 at 4K. This represents a 31.8% drop from 1080p to 1440p and a 40% drop from 1440p to 4K, mirroring the average FPS scaling.

For users who must play Rust with this combo, the resolution scaling data strongly suggests that 1080p is the only viable option. The performance at 1440p and 4K falls below playable thresholds for most presets, and even the Low preset at 1440p (53 FPS) is marginal. The limiting component is unequivocally the GPU, as the CPU's strong benchmark scores and cache configuration would otherwise support higher frame rates.