Rust

Resolution Scaling

The measured FPS data for Rust reveals a pronounced GPU scaling pattern as resolution increases. At 1920x1080 with Ultra settings, the combo produces 92.8 FPS, which drops to 62.6 FPS at 2560x1440 and further to 35.5 FPS at 3840x2160. This represents a 62% reduction in frame rate from 1080p to 4K at the highest quality preset, indicating that the AMD Radeon RX 6800 XT becomes the primary limiting factor at higher resolutions.

The scaling behavior shifts noticeably when examining lower settings. At Low settings, the frame rate moves from 205.3 FPS at 1080p to 141.6 FPS at 1440p and 83.3 FPS at 4K. The 1080p-to-4K drop here is 59%, slightly less severe than at Ultra, but still substantial. This pattern suggests that even with reduced graphical load, the GPU's rendering capacity constrains performance at 4K, though the Intel Core i7-14700KF's strong single-thread performance helps maintain high minimums at lower resolutions.

Medium settings show an intermediate scaling curve: 137.4 FPS at 1080p, 95.2 FPS at 1440p, and 54.8 FPS at 4K. The 4K figure sits above the 30 FPS threshold commonly considered playable, but below the 60 FPS target for smooth gameplay. High settings produce 117.6 FPS at 1080p, 82.8 FPS at 1440p, and 50.2 FPS at 4K, again confirming that the GPU's 16 GB of GDDR6 memory and 512.0 GB/s bandwidth are adequate for data throughput but the compute capacity (20.74 TFLOPS FP32) limits higher-resolution performance.

The delta between Low and Ultra settings widens with resolution. At 1080p, the gap is 112.5 FPS (205.3 vs 92.8), while at 4K it narrows to 47.8 FPS (83.3 vs 35.5). This compression indicates that at 4K, the GPU is the bottleneck regardless of settings, whereas at 1080p, the CPU's 20 cores and 28 threads can feed the GPU more effectively, allowing settings to have a larger impact.

FAQ

Q: What frame rate can this combo achieve at 1080p with High settings in Rust?

A: The measured average is 117.6 FPS at 1920x1080 with High settings. This is sufficient for high-refresh-rate monitors and sits well above the 60 FPS threshold.

Q: Is the AMD Radeon RX 6800 XT capable of 4K gaming in Rust?

A: At 3840x2160, the combo delivers 50.2 FPS at High settings and 35.5 FPS at Ultra. These figures are playable but below the 60 FPS target, suggesting that 4K requires lower settings or resolution scaling for smoother performance.

Q: How does the CPU affect performance at lower resolutions?

A: At 1080p Low settings, the combo reaches 205.3 FPS, indicating that the Intel Core i7-14700KF with its 5.60 GHz boost clock can drive very high frame rates when the GPU is not heavily loaded. The single-core Cinebench R23 score of 6290 supports this.

Q: What is the performance difference between Low and Ultra settings at 1440p?

A: At 2560x1440, Low settings average 141.6 FPS while Ultra averages 62.6 FPS, a difference of 79 FPS. This shows that settings have a significant impact at this resolution, with the GPU still holding reasonable headroom.

Q: How does this combo rank among all tested configurations in Rust?

A: It ranks 548 out of 1717 tested combos, placing it in the 68th percentile of all configurations. This is a solid mid-to-upper tier result for a survival game that can be demanding on both CPU and GPU.

Q: Does the GPU's memory bandwidth affect 4K performance?

A: The RX 6800 XT has 512.0 GB/s of memory bandwidth across a 256-bit bus. At 4K Ultra (35.5 FPS), the GPU is clearly compute-limited rather than bandwidth-limited, since lowering settings to Low (83.3 FPS) more than doubles performance without changing memory throughput.

How This Combo Ranks

The combination of Intel Core i7-14700KF and AMD Radeon RX 6800 XT achieves a rank of 548 out of 1717 tested combos in Rust. This places the pairing in the upper third of all configurations tested, a respectable position for a game that stresses both processor and graphics hardware.

The CPU itself ranks in the 96th percentile against all CPUs, with an average benchmark score of 70104. Its nearest rivals include the Intel Core i7-14700K at 70074 (0% delta), the AMD EPYC 9115 at 69887 (0.3% slower), the AMD Ryzen 9 9950X at 70420 (0.4% faster), and the Intel Xeon Platinum 8270 at 71056 (1.3% faster). This clustering shows the i7-14700KF is well within the top tier of processors, with negligible differences to its closest competitors.

The GPU sits in the 87th percentile against all GPUs, with an average benchmark score of 49982. Its nearest rivals include the Intel Arc A550M at 49737 (0.5% faster), the NVIDIA RTX A1000 at 50826 (1.7% slower), the NVIDIA CMP 50HX at 49071 (1.9% faster), and the NVIDIA GeForce RTX 4070 Ti SUPER at 48704 (2.6% faster). The RX 6800 XT's position here indicates it is competitive with modern mid-to-high-end graphics cards, though not at the absolute flagship level.

The gap between the CPU's high percentile (96) and the GPU's lower percentile (87) suggests that the processor has more headroom than the graphics card in this pairing. Benchmark results confirm this: at 1080p Low, the combo hits 205.3 FPS, but at 4K Ultra it falls to 35.5 FPS, a clear indication that the GPU becomes the limiting factor as resolution increases. The 548th rank out of 1717 reflects this balance — the system performs well but is not optimized for maximum frame rates at the highest resolutions.

Measured FPS Breakdown

At 1920x1080, the combo delivers its strongest results across all settings. Low settings average 205.3 FPS, Medium 137.4 FPS, High 117.6 FPS, and Ultra 92.8 FPS. The gap between Low and Ultra is 112.5 FPS, demonstrating that the i7-14700KF can fully feed the RX 6800 XT at this resolution, allowing settings to have maximum impact. Even at Ultra, the frame rate exceeds 90 FPS, making 1080p a comfortable choice for high-refresh-rate displays.

Moving to 2560x1440, performance remains strong but shows the GPU beginning to strain. Low averages 141.6 FPS, Medium 95.2 FPS, High 82.8 FPS, and Ultra 62.6 FPS. The 62.6 FPS at Ultra is just above the 60 FPS threshold, meaning players can enjoy near-maximum settings at 1440p with only minor compromises. The drop from 1080p to 1440p at Low settings is 63.7 FPS, while at Ultra it is 30.2 FPS, indicating that higher settings scale more gracefully with resolution.

At 3840x2160, the GPU becomes the clear bottleneck. Low averages 83.3 FPS, Medium 54.8 FPS, High 50.2 FPS, and Ultra 35.5 FPS. The 4K Ultra figure is below the 60 FPS target and approaches the lower boundary of comfortable playability. Even at Low settings, the 83.3 FPS result is respectable but shows the GPU's compute limits, as the frame rate drops sharply from the 141.6 FPS seen at 1440p Low. The 47.8 FPS difference between Low and Ultra at 4K is the smallest of any resolution, confirming that the GPU saturates before settings can make a large difference.

The data reveals a clear progression: at 1080p, the CPU has headroom; at 1440p, the balance is optimal; at 4K, the GPU limits performance. The 16 GB VRAM capacity is never a constraint, but the 20.74 TFLOPS FP32 throughput and 288 TMUs determine the ceiling at higher resolutions.

CPU Role

The Intel Core i7-14700KF brings substantial processing power to this pairing, with 20 cores, 28 threads, and a boost clock of 5.60 GHz. This Raptor Lake-R architecture chip, built on Intel's 10 nm process, has a 33 MB shared L3 cache and 2 MB L2 cache per core. Its single-core Cinebench R23 score of 6290 and multi-core score of 44557 place it firmly in the top tier of desktop processors.

In Rust, a game known for its CPU-heavy server-side simulation and physics calculations, the i7-14700KF's strengths are evident. At 1080p Low settings, the combo achieves 205.3 FPS, a figure that is only possible when the processor can deliver frames faster than the GPU can render. The PassMark single-thread score of 4480 and Geekbench single-core score of 2972 both indicate strong per-core performance, which is critical for Rust's often single-threaded game logic.

The processor's 125 W TDP and unlocked multiplier allow for overclocking, though the benchmark data is based on stock settings. The 96th percentile ranking against all CPUs, with an average benchmark score of 70104, places it just 0.4% behind the AMD Ryzen 9 9950X and 0.3% ahead of the AMD EPYC 9115 — a negligible difference that underscores how competitive this chip is.

However, the CPU's role diminishes as resolution increases. At 4K Ultra, the frame rate of 35.5 FPS is far below what the CPU can support, as evidenced by the 205.3 FPS result at 1080p Low. The bottleneck shifts entirely to the GPU, and the i7-14700KF's 28 threads go underutilized. This pattern is typical for Rust, where the graphics card becomes the limiting factor at higher resolutions despite the game's reputation for CPU sensitivity.

The memory support for DDR4 and DDR5, along with PCIe Gen 5 connectivity, ensures that the CPU can feed data to the GPU without bottlenecks. The 33 MB L3 cache helps with the game's asset streaming, while the 2 MB per-core L2 cache reduces latency for frequently accessed data. Benchmark results confirm that the i7-14700KF is more than capable of driving the RX 6800 XT to its limits at 1080p and 1440p, making the CPU a non-factor in most real-world scenarios for this game.