Pc Building Simulator

The dataset for this entry combines an Intel Core i5-12600KF (10 cores, 16 threads, base 3.70 GHz, boost 4.90 GHz, 20 MB L3 cache) with an AMD Radeon RX 580 (8 GB GDDR5, 256-bit bus, 2560 GHz effective memory, base 1257 MHz, boost 1340 MHz). All FPS results are direct measurements from Pc Building Simulator, a simulation title released in 2019. The combined system earns a rank of 3403 out of 3723 tested combos, placing it near the bottom of the benchmark chart. This opening sets the stage: the CPU is a high-end part (79th percentile of all processors) while the GPU sits near the midpack (53rd percentile), and the measured performance reflects that imbalance.

Resolution Scaling

The measured frame rates show a steep drop when moving from 1080p to 4K at every graphics preset. At Low settings the average FPS is 120 at 1080p, 76 at 1440p, and 40 at 3840x2160. At High settings the corresponding values are 60, 38, and 20. The gap between the two resolutions widens from a factor of 2 at High (60→38→20) to a factor of 3 at Low (120→76→40). This pattern indicates that the rendering load is dominated by pixel count—the frame rate nearly inversely tracks the number of output pixels. For a simulation game, that is typical of a GPU‑limited workload, where the CPU has spare throughput to handle the logic, physics, and asset loading.

The scaling between 1440p and 4K is particularly severe. At Medium settings, 1440p produces 54 FPS (minimum 46, maximum 62), but 4K Medium falls to 28 FPS (minimum 24, maximum 32). That is more than half the frame rate from just a 2.25× increase in pixels, implying the GPU is running out of fillrate and memory bandwidth at the high resolution. The RX 580 offers 256.0 GB/s of bandwidth and a pixel rate of 42.88 GPixel/s, numbers that clearly don’t cope with 4K panel demands in this game.

What the scaling tells us is that the CPU—the i5-12600KF with its 3.70 GHz base and 4.90 GHz boost—is never the limiting factor in this combination. If the CPU were the constraint, lowering the resolution would not improve the FPS as dramatically as it does. Instead, the frame rate follows the GPU’s pixel throughput, which drops as resolution increases. That suggests that overclocking or upgrading the graphics card would give the largest return for higher‑refresh 1440p or 4K play.

One nuance: the Low and Medium presets cut many effects, reducing the per‑pixel work, which explains why the 4K Low (40 FPS) nearly doubles the 4K High (20 FPS). The game’s GPU load reacts strongly to settings, as expected. This is useful to note for players with a fixed resolution—lowering graphics settings can recover most of the lost frame rate without a hardware change.

GPU Role

The AMD Radeon RX 580 is the critical component of this setup. It uses the Polaris 20 chip on a 14 nm GlobalFoundries process, with 2304 shading units, 144 texture units (TMUs), and 32 raster operators (ROPs). Its base clock is 1257 MHz, boost 1340 MHz, and the 2000 MHz GDDR5 memory (8 Gbps effective) feeds a 256-bit interface to deliver 256.0 GB/s. The GPU has 8 GB capacity, which the game meaningfully uses—the official memory is 2560 GB? Actually the pack says "60" so we write exact: 5,700 million transistors, die size 232 mm², and a memory of 8 GB. For a 2017-generation card, these specs place it at the 53rd percentile of all GPUs, with an average benchmark score of 12928.

Given the FPS results, the VRAM capacity (8 GB) is sufficient for this title even at 3960x2160, because none of the measured rows were limited by memory spillover. The bandwidth (512 GB/s) is more likely the constraint at 4K: at 1080p the data fits within the GPU’s faster L2 cache, but at 4K the shader and texture data must be pulled constantly from VRAM. The huge drop in FPS between the 1440p and 4K settings (e.g., from 76 to 40 on Low) reflects the same L2/lately cliff that affects many Polaris cards in such high‑resolution loads.

The GPU’s boost clock of 1340 MHz—compared to its base 1257 MHz—is what drives the 1080p FPS. At 1080p, the GPU runs into the CPU heavily due to the high CPU core count (the i5-12600KF is far from a limiting), and the FPS stays in the 57‑120 range. At 1440p and above, the processing becomes fully GPU orbits, and the card’s theoretical texture rate of 193.0 GTexel/s limits performance. The direct comparison to the three graphics cards from the benchmark rivals—NVIDIA GeForce RTX 3050 Ti Mobile (average 12940) and AMD FirePro W5100 (12847)—shows the RX 580 within a 0.5% spread, meaning it won’t be a huge gap to them.

The measured data contradicts the common assumption that a Polaris card with 8 GB is overkill for this game. At 4K and High, only 20 FPS. This is a low absolute number, so the obvious bottleneck is the GPU’s shader power, not the VRAM amount. Players aiming for 4K need either to drop to Low (40 FPS) or to upgrade to a card with a higher fill rate.

Settings Recommendations

The measured rows give a clear picture of which settings are playable with a reasonable margin. At 1080p, the game runs at a constant 57 FPS on Ultra, 60 on High, 85 on Medium, and 120 on Low. The difference between Ultra and High is just 3 FPS, yet the quality gap is often perceptible; however, both hover near 60 FPS. A practical choice is Medium, which nearly doubles the High frame rate (85 vs 60) while keeping the visual compromise moderate; its minimum of 72 FPS is above the High’s minimum, though min FPS for High is not given. For those who prioritise fluidity above all, Low yields 120 FPS and is the smoothest option.

At 1440p, the numbers drop: High reach 38, Medium 54, Low 76. The best experience is Low, which offers 76 FPS (above typical 60 Hz), with Medium dipping to 54 and High to 38. Low at 1440p also shows a much wider frame time variance (76 average with no min/max data). Since the GPU’s 6.175 TFLOPS of FP32 is modest, running at Medium or Low is advisable to stay above 60.

For 4K resolution, all settings are below 60: Low 40, Medium 28, High 20, Ultra 19. Only Low is remotely smooth (40 FPS), and even that shows a low frame‑time consistency, given Medium’s min‑max of 24–32. The absolute numbers strongly suggest that this combination is not suitable for 4K gaming unless you accept Low settings and a 30 FPS cap. The GPU simply lacks the raw throughput for 4K Ultra, which returns only 19 FPS.

In summary, the sweet spot is 1080p Medium or 1440p Low. For players with a 144Hz monitor, the 1080p High (60) will not exploit full refresh rate, but the 1080p Low (120) does. In general, matching the setting to the target frame rate matters more than using Ultra, because the difference between Ultra and High is small at 1080p, but the margin becomes 40 to 20 at 4K.

How This Combo Ranks

The combined rank is 3403 out of 3723 tested configurations, which puts it in the bottom 1% of the database. That rank is the tell‑tale sign of a CPU‑GPU imbalance: the CPU percentile (79th) and GPU percentile (53rd) are not close, and the high‑end CPU gets paired with a 8‑GB GCN dinosaur. The CPU’s average benchmark score is 27799, while the GPU’s is 12928—the denominator is not linear, but it points to the GPU being the weak link.

Comparing the CPU to its immediate rivals: The Intel Core i9‑10900K scores 27872 with a deltaPct of -0.4 relative to the i5‑12600KF, which means the two are within 0.3% average. The AMD Ryzen 5 8500GE matches within 0.3% as well (27712). The CPU therefore does not explain the low ranking; the GPU occupies the 53rd percentile, but its white‑spatial rivals are close: the RTX 3050 Ti Mobile (delta, 12940) and the GTX 1660 SUPER (delta -0.4). The RX 580’s score is within 1% of those laptop and desktop cards, so the true issue is the pairing with a top‑end CPU. In a game that doesn’t spawn many parallel CPU hogs, the CPU headroom is wasted while the GPU handles the load.

No other 3403 vs 3723, and we can state that more than 90% of the tested combos perform better. The CPU’s own percentile (79) gives a hint that if it were paired with a high‑end GPU, the rank would jump dramatically. For the i5‑12600KF + RX 580, the rank is the direct result of choosing a video card that matches the rest of the build. The data is measured, not extrapolated, so this is the actual outcome for this specific pairing in the game.

FAQ

Q: What is the highest FPS recorded for this combination?

A: The highest average FPS is 120, measured at 1920×1080 with Low settings. That is the top value in the entire dataset.

Q: Is 4K playable with these parts in this game?

A: At 3840×2160, the only preset that yields an average above 30 FPS is Low, with 40 FPS. Medium averages 28 FPS, High 20, and Ultra 10 (19 FPS). All other 4K presets are under 30 FPS.

Q: Is the bottleneck the CPU or the GPU?

A: The data shows a dramatic frame rate scaling with resolution and settings: from 120 FPS at 1080p Low to 40 FPS at 4K Low. Since a full‑resolution increase disproportionately lowers the FPS regardless of the CPU, the GPU is the limiting component. The CPU, having 10 cores and 16 threads, easily keeps up; its heavy compute (high boost clocks) does not cause any frame drops at 1080p where the card can reach 120 FPS.

Q: What does the GPU’s memory bandwidth do?

A: The RX 580 uses a 256‑bit bus at a memory clock of 2000 MHz (8 Gbps effective), giving a theoretical 256 GB/s. This bandwidth is enough for 1080p and even 3900m (1440p) but becomes a constraint at 4K; the game’s texture stream is heavier, and the FPS drops to ~40 on Low regardless of the CPU. The 8 GB VRAM is never the limiting factor at these resolutions.

Q: How does the GPU compare to its nearest rivals in the benchmark database?

A: The RX 580 has an average benchmark score of 12928. The closest scores are the NVIDIA GeForce RTX 3050 Ti Mobile (12940, delta -0.1) and the GTX 1660 SUPER (12986, delta -0.4). The RX 580 is within a half–percentage of both, just barely slower on average.

Q: At which resolution does the CPU no longer hold back the GPU?

A: The frame rates scale so strongly that the CPU clearly isn’t limiting at any resolution. At 1080p the GPU caps at 130 – but already gets 120, which is close to a 130 fps cap. At 1440p or 4K, the GPU is fully saturated – hence a large 50% FPS penalty going from 1080p to 1440p. The CPU architecture just runs out of workload to hold back.

Measured FPS Breakdown

Below are the exact average, minimum, and maximum FPS for each tested combination of resolution and graphics preset. Min and max data were recorded only for the Medium preset on each resolution