Pc Building Simulator

Resolution Scaling

The measured frame rates across resolutions reveal a system that scales predictably with pixel count, with the most dramatic drop occurring between 1440p and 4K. At 1080p High settings, the combo delivers 200.6 FPS, which falls to 146.0 FPS at 1440p High — a 27% reduction. Moving from 1440p to 4K High produces a steeper 48% decline, landing at 75.2 FPS. This pattern indicates that the GPU becomes progressively more dominant as resolution increases, while the CPU maintains sufficient headroom to avoid becoming the primary limiter at lower resolutions.

The Low settings curve tells a similar story but with higher absolute numbers. At 1080p Low, the system reaches 258.5 FPS, dropping to 216.4 FPS at 1440p Low and 156.4 FPS at 4K Low. The gap between 1080p and 1440p Low is only 16%, whereas the 1440p-to-4K transition costs 28%. This widening delta at higher resolutions is characteristic of a GPU-bound scenario where the RTX 4080 SUPER's compute resources are stretched thinner.

Ultra settings exhibit the tightest scaling curve. The 1080p Ultra result of 194.7 FPS drops to 141.0 FPS at 1440p Ultra (a 28% reduction), then to 75.3 FPS at 4K Ultra — a 47% decline from 1440p. Notably, the 4K High (75.2 FPS) and 4K Ultra (75.3 FPS) results are nearly identical, suggesting that the renderer's High and Ultra presets impose similar shading loads at this resolution. The 4K Medium figure of 106.8 FPS sits comfortably between the Low and High results, confirming a roughly linear relationship between settings level and frame rate at 4K.

The data indicates that for smooth 60 FPS gameplay, this combination handles 4K Ultra with margin to spare. For high-refresh-rate displays, 1440p is the practical ceiling: the Ultra preset at 141.0 FPS and High at 146.0 FPS both exceed 140 FPS, while 1080p Ultra at 194.7 FPS approaches the 200 FPS threshold. The limiting component at 4K is clearly the GPU, as evidenced by the steep resolution scaling, whereas at 1080p the CPU's contribution becomes more apparent in the comparatively modest gains from lowering settings.

CPU Role

The Intel Core i5-10400F brings six cores and twelve threads to this simulation title, with a base clock of 2.90 GHz and a boost clock of 4.30 GHz. Its Comet Lake architecture, built on Intel's 14 nm process, includes 12 MB of shared L3 cache and 64 KB of L1 cache per core. The CPU's benchmark profile shows a single-thread score of 688 in 3DMark and a multi-thread score of 4,748 in the 16-thread test, indicating moderate per-core performance that is adequate for a simulation game's logic and physics threads.

Pc Building Simulator is not a title that stresses CPU resources heavily compared to modern action games. The measured frame rates at 1080p Low (258.5 FPS) versus 1080p Ultra (194.7 FPS) show only a 25% spread, which is modest and suggests that even at Low settings the CPU is not the bottleneck. The 3DMark 2-thread score of 1,350 and 4-thread score of 2,560 indicate that the processor's dual- and quad-core performance is sufficient to feed the RTX 4080 SUPER at lower resolutions, where frame rates exceed 200 FPS.

The CPU's Cinebench R23 multi-core score of 10,297 and single-core score of 1,453 place it firmly in the mid-range tier. Its PassMark single-thread score of 2,541 and multithread score of 12,115 further characterize a processor that, while not top-tier, delivers consistent performance across threaded workloads. The 73rd percentile ranking among all CPUs, with an average benchmark score of 14,168, puts it slightly below rivals like the Intel Core i5-8500 (14,332 average score, 1.1% faster) and AMD Ryzen 3 7320C (14,277 average score, 0.8% faster), while remaining ahead of the AMD EPYC 7552 by a marginal 0.4%.

In this game, the CPU's role is primarily to maintain a stable frame delivery pipeline. The 12 threads handle the simulation's background tasks, while the 4.30 GHz boost clock provides responsive single-threaded performance for UI interactions and system state calculations. The measured results indicate that the i5-10400F does not constrain the GPU at any tested resolution, as the scaling from 1080p to 4K follows a GPU-bound pattern. However, the CPU's moderate single-thread capabilities become slightly more relevant at 1080p Low, where the 258.5 FPS result approaches the theoretical ceiling of what this processor can feed.

How This Combo Ranks

Within the benchmark database, this specific CPU-GPU pairing achieves a combo rank of 382 out of 1,769 tested combinations. This places the system in the top 22% of all recorded configs, which is a strong showing given the CPU's mid-range positioning. The rank reflects the RTX 4080 SUPER's ability to carry the system at higher resolutions, while the i5-10400F's performance is sufficient to avoid dragging down the overall result.

The GPU's percentile ranking of 88th among all graphics cards, with an average benchmark score of 53,610, is the dominant factor in this combo's placement. Its nearest rivals include the AMD Radeon RX 6900 XT (53,489 average score, 0.2% slower) and AMD Radeon Pro W6600M (53,414 average score, 0.4% slower), while the AMD Radeon RX 7700S trails by 2.1% and the NVIDIA GeForce RTX 5070 Ti by 2.9%. This tight clustering around the 53,000–53,600 score range indicates that the RTX 4080 SUPER is well-matched against its immediate competitors in synthetic benchmarks.

The combo rank of 382 suggests that many pairings with stronger CPUs achieve higher overall standings, but the gap is not extreme. Given that the CPU ranks in the 73rd percentile while the GPU ranks in the 88th percentile, the limiting factor for a higher combo rank is the processor. In Pc Building Simulator specifically, the measured FPS results show that the combination delivers playable frame rates at all settings and resolutions, so the rank reflects theoretical potential more than real-world inadequacy.

Measured FPS Breakdown

At 1920x1080, the system delivers its highest frame rates across all settings. Low settings produce 258.5 FPS, Medium reaches 225.2 FPS, High achieves 200.6 FPS, and Ultra bottoms out at 194.7 FPS. The spread from Low to Ultra is 63.8 FPS, indicating that the GPU has ample headroom at this resolution and that the CPU's frame delivery rate is the practical ceiling. The modest 5.9 FPS difference between High and Ultra suggests diminishing returns from the highest settings tier.

Moving to 2560x1440, the frame rates remain high but show a more pronounced settings impact. Low settings deliver 216.4 FPS, Medium hits 192.3 FPS, High reaches 146.0 FPS, and Ultra produces 141.0 FPS. The Low-to-Ultra spread here is 75.4 FPS, wider than at 1080p, as the GPU begins to feel the increased pixel count. Notably, the Medium result of 192.3 FPS is very close to the 1080p Ultra figure of 194.7 FPS, suggesting that resolution scaling and settings scaling trade off in a predictable manner.

At 3840x2160, the results show a clear GPU-bound scenario. Low settings yield 156.4 FPS, Medium drops to 106.8 FPS, High falls to 75.2 FPS, and Ultra matches at 75.3 FPS. The Low-to-Ultra spread is 81.1 FPS, the largest of any resolution, confirming that the RTX 4080 SUPER's rendering throughput is the limiting factor. The near-identical High and Ultra numbers indicate that the game's Ultra preset at 4K does not add significant additional load over High, or that the GPU is already saturated at that point.

GPU Role

The NVIDIA GeForce RTX 4080 SUPER is the dominant component in this pairing, built on the Ada Lovelace architecture with a 5 nm process from TSMC. Its 16 GB of GDDR6X memory on a 256-bit bus provides 736.3 GB/s of bandwidth, which is ample for 4K textures and simulation assets. The GPU's 10,240 shading units, 320 texture mapping units, and 112 ROPs deliver a pixel rate of 285.6 GPixel/s and a texture rate of 816.0 GTexel/s. The boost clock of 2550 MHz and base clock of 2295 MHz drive FP32 performance of 52.22 TFLOPS.

In Pc Building Simulator, the GPU's role is primarily to render the 3D workspace, PC case components, and real-time visual feedback. The 16 GB VRAM is more than sufficient for this title, as the game does not feature large open-world textures or complex particle effects. The measured frame rates show that the GPU's performance scales predictably with resolution, and its 88th percentile ranking among all GPUs — with an average benchmark score of 53,610 — confirms its high-end positioning.

The RTX 4080 SUPER's ray tracing cores (80) and tensor cores (320) are not heavily utilized in this simulation title, which focuses on system-building mechanics rather than cinematic rendering. However, the GPU's raw rasterization power ensures that even at 4K Ultra, the system maintains 75.3 FPS, well above the 60 FPS threshold. The PassMark G3D score of 34,245 and DirectX 12 score of 134 demonstrate strong API-level performance, while the Geekbench OpenCL score of 246,994 and Vulkan score of 226,163 indicate robust compute capabilities that benefit the game's physics and component simulation logic.

The GPU's nearest rival, the AMD Radeon RX 6900 XT, shows a 0.2% higher average score, placing the two within statistical noise. The RTX 4080 SUPER's 320 W TDP and 16-pin power connector require a 700 W PSU, which is a consideration for system builders. Ultimately, the GPU is the component that determines this combo's viability at 4K, and its performance headroom at lower resolutions means the CPU becomes the secondary factor in frame rate delivery.