Rust

Rust’s measured performance with the AMD Ryzen 5 5600GT and AMD Radeon RX 7900 XT shows a clear pattern of GPU-bound scaling, with the CPU holding steady across resolutions. The combination ranks 328th out of 1,717 tested combos in this game, placing it in the top quintile of systems. The data reveals that the RX 7900 XT is the primary driver of frame rates, while the Ryzen 5 5600GT, with its six cores and twelve threads, maintains consistent throughput without becoming a bottleneck at any tested setting.

Resolution Scaling

The frame rate deltas from 1080p to 4K are steep and consistent with a GPU-limited scenario. At Low settings, average FPS drops from 194.9 at 1920x1080 to 165.2 at 2560x1440, a 15.2% reduction, and then falls further to 97.8 at 3840x2160, a 40.8% drop from 1440p. This progressive decline indicates that the RX 7900 XT’s rendering workload scales directly with pixel count, while the CPU’s role in feeding frames remains constant.

The picture changes at higher presets. At Ultra settings, 1080p delivers 102.6 FPS, which drops to 69.6 FPS at 1440p (a 32.2% decline) and 45.7 FPS at 4K (a 34.3% decline from 1440p). The percentage losses between 1440p and 4K are nearly identical across Medium (68.5 vs 113.1, a 39.4% drop) and High (53.5 vs 94, a 43.1% drop), suggesting that the GPU’s compute and memory subsystems are the limiting factors, rather than any CPU-side constraint.

Notably, the gap between Low and Ultra settings widens as resolution increases. At 1080p, the difference is 92.3 FPS (194.9 vs 102.6), while at 4K it shrinks to 52.1 FPS (97.8 vs 45.7). This compression at higher resolutions is typical of a GPU that becomes saturated, where the cost of enabling additional graphical features is amortized over a larger pixel workload. The Ryzen 5 5600GT’s 16 MB of L3 cache and Zen 3 architecture appear sufficient to keep up, as no anomalous frame rate plateaus or collapses occur in the data.

FAQ

Q: Does the Ryzen 5 5600GT bottleneck the RX 7900 XT in Rust?

A: No measurable bottleneck is evident. The CPU’s average benchmark score of 20,740 places it within 0.3% of the AMD Ryzen 5 5600X and 0.5% of the AMD EPYC 7J13, and the frame rate scaling across resolutions shows smooth, predictable drops that track GPU load. The CPU’s 12 threads are not saturated in any tested configuration.

Q: What is the frame rate difference between 1080p and 4K at High settings?

A: At High settings, the system produces 138.1 FPS at 1920x1080, which drops to 94 FPS at 2560x1440, and further to 53.5 FPS at 3840x2160. The total reduction from 1080p to 4K is 84.6 FPS, representing a 61.3% decrease in average frame rate.

Q: How does the RX 7900 XT compare to its nearest rival in synthetic benchmarks?

A: The GPU’s average benchmark score of 38,358 is nearly identical to the NVIDIA GeForce RTX 5080 Mobile, which scores 38,349 (0% delta). The RX 7900 XT is 0.3% ahead of the NVIDIA CMP 70HX and 0.6% ahead of the NVIDIA GeForce RTX 4080 Mobile, but 0.4% behind the NVIDIA GeForce MX570.

Q: Which resolution provides the highest frame rate above 144Hz?

A: Only 1920x1080 Low settings exceed the 144Hz threshold, achieving 194.9 FPS. At 2560x1440, the Low preset reaches 165.2 FPS, which also clears 144Hz, but no other resolution or settings combination at 4K reaches that level.

Q: Is the 20 GB VRAM capacity necessary for Rust at 4K?

A: The data shows playable 4K frame rates at all presets, with Medium at 68.5 FPS and High at 53.5 FPS. The 20 GB GDDR6 memory with 800.0 GB/s bandwidth provides ample headroom for Rust’s texture streaming, and no memory-related frame rate drops appear in the measured results.

Q: What is the rank of this CPU-GPU combination among all tested systems?

A: The combo ranks 328th out of 1,717 tested combinations, placing it in the 81st percentile overall. This is consistent with the GPU’s 82nd percentile ranking among all GPUs and the CPU’s 78th percentile among all CPUs.

GPU Role

The AMD Radeon RX 7900 XT is the decisive component in this pairing, and its specifications explain the measured results. The GPU features 5,376 shading units, 336 texture mapping units, and 192 raster operations pipelines, paired with 84 ray tracing cores. Its boost clock of 2394 MHz and game clock of 2025 MHz (with a base of 1387 MHz) allow the card to sustain high utilization across Rust’s varied scenes, from dense forests to open water.

The 20 GB of GDDR6 memory on a 320-bit bus delivers 800.0 GB/s of bandwidth, which is critical for Rust’s large open-world assets. The measured FPS at 4K Medium (68.5) and High (53.5) indicates that the memory subsystem is not starved, as frame times remain consistent. The GPU’s FP32 throughput of 51.48 TFLOPS and pixel rate of 459.6 GPixel/s provide the raw compute needed to handle Rust’s dynamic lighting and shadow rendering at higher presets.

The GPU’s synthetic scores reinforce its role. The PassMark G3D score of 29,009 and the 3DMark Steel Nomad DX12 score of 5,623 show strong DirectX 12 performance, which aligns with Rust’s engine. The Geekbench OpenCL score of 169,834 and Vulkan score of 160,119 indicate that the card’s compute capabilities are well-balanced, though Rust’s measured results show no reliance on ray tracing (the 84 RT cores remain largely idle in this title). The GPU’s 300 W TDP and dual-slot design are not reflected in frame rates, but the consistent scaling across resolutions confirms that the card is the throughput bottleneck, not the CPU.

Measured FPS Breakdown

At 1920x1080, the system delivers its highest frame rates. Low settings produce 194.9 FPS, Medium drops to 162.6 FPS, and High reaches 138.1 FPS. Ultra is the most demanding, yielding 102.6 FPS. The spread from Low to Ultra is 92.3 FPS, showing that the GPU can easily handle 1080p workloads even at maximum quality.

Moving to 2560x1440, the frame rates remain playable but show clear GPU load. Low settings average 165.2 FPS, Medium hits 113.1 FPS, High achieves 94 FPS, and Ultra falls to 69.6 FPS. The percentage drop from 1080p to 1440p is 15.2% for Low, 30.4% for Medium, 31.9% for High, and 32.2% for Ultra. This consistent ~30% reduction for higher presets indicates that the GPU’s pixel processing capacity is the primary constraint, while the CPU’s 12 threads continue to feed frames without issue.

At 3840x2160, the system remains functional but demands careful settings selection. Low settings average 97.8 FPS, Medium drops to 68.5 FPS, High falls to 53.5 FPS, and Ultra bottoms out at 45.7 FPS. The drop from 1440p to 4K is 40.8% for Low, 39.4% for Medium, 43.1% for High, and 34.3% for Ultra. The slightly smaller percentage loss for Ultra (34.3%) compared to High (43.1%) suggests that at the highest preset, other bottlenecks (such as draw call submission or driver overhead) begin to equalize the load, but the GPU remains the dominant factor.

Across all resolutions, the Ryzen 5 5600GT’s performance is consistent. Its Cinebench R23 multi-core score of 17,272 and single-core score of 2,438 indicate strong per-thread performance, which is sufficient for Rust’s typical CPU load. The CPU’s 3DMark single-thread score of 913 and 2-thread score of 1,794 show that even lightly threaded workloads are handled proficiently, confirming that the CPU is not the limiting component in any measured configuration.

Settings Recommendations

For players prioritizing smooth gameplay at 1920x1080, the High preset at 138.1 FPS offers an excellent balance of visual fidelity and frame rate, comfortably exceeding the 60 FPS standard and approaching 144Hz displays. The Medium preset at 162.6 FPS is preferable for competitive play, as it provides a 24.5 FPS improvement over High while still maintaining solid visual quality. Low settings at 194.9 FPS are only recommended for extreme responsiveness, as the visual degradation is significant.

At 2560x1440, the Medium preset at 113.1 FPS is the optimal choice, delivering high frame rates with moderate visual enhancements. High settings at 94 FPS are acceptable for slower-paced gameplay, but the 19.1 FPS loss from Medium is noticeable. Ultra at 69.6 FPS is playable but risks frame drops in busy areas, making it suitable only for single-player or low-population servers. Low settings at 165.2 FPS provide a competitive edge for fast-paced action, though the visual trade-off is substantial.

For 4K gaming, the Medium preset at 68.5 FPS is the recommended starting point, as it maintains playability while offering decent visual quality. High settings at 53.5 FPS are playable for less demanding situations but may feel sluggish during large-scale raids or in dense forests. Ultra at 45.7 FPS is not recommended for regular play, as the frame rate falls below the 60 FPS threshold. Low settings at 97.8 FPS are viable for players who prioritize frame rate over visuals, providing a responsive experience that is uncommon at 4K.

The data suggests that the RX 7900 XT’s 20 GB VRAM is not a limiting factor at any resolution, but the GPU’s raw compute power is best utilized at Medium settings for 1440p and 4K. The Ryzen 5 5600GT performs its role admirably, with no signs of CPU-induced frame pacing issues. The overall combination ranks 328th out of 1,717, placing it in the top 20% of tested systems, and the measured FPS confirms a capable, well-balanced platform for Rust across all common gaming resolutions.