Pc Building Simulator

How This Combo Ranks

The AMD Ryzen 9 9900X paired with the AMD Radeon RX 7900 XT lands at rank 632 out of 3,723 tested combos in Pc Building Simulator. That places this setup comfortably inside the top 17% of all configurations evaluated, which is a strong showing for a system built around a 12-core Zen 5 processor and a RDNA 3 flagship-tier GPU. The data shows this combo sits well above the median experience, though it is not at the absolute top tier where the most extreme hardware combinations reside.

What makes this rank particularly noteworthy is the balance between the two components. The CPU's average benchmark score of 57,498 places it in the 92nd percentile among all processors, while the GPU's average benchmark score of 13,745 sits in the 55th percentile among all graphics cards. The gap between those percentile positions suggests the processor is doing more heavy lifting in the overall ranking than the graphics card, yet the measured frame rates in this simulation title remain consistently high across all settings and resolutions. The combination outperforms roughly 84% of all tested pairings, which indicates that even if the GPU is not the single strongest available, the synergy between these two parts produces results that most systems cannot match.

GPU Role

The Radeon RX 7900 XT brings 20 GB of GDDR6 memory on a 320-bit bus, delivering 800.0 GB/s of memory bandwidth. That memory configuration is directly relevant to Pc Building Simulator, where the game's menu-heavy interface and component browsing screens can consume significant video memory when running at high resolutions. The 20 GB capacity ensures that even at 4K with Ultra settings, the card never approaches memory limits, allowing the 192 ROPs and 5,376 shading units to work without bottlenecking on framebuffer constraints.

Clock speeds on this card are substantial: a base clock of 1387 MHz, a game clock of 2025 MHz, and a boost clock of 2394 MHz. The boost behavior matters in this title because the simulation's rendering load is relatively moderate compared to AAA shooters, meaning the card can sustain near-boost clocks for extended periods. The measured results confirm this — at 1080p Low, the card pushes 396 FPS, which is close to what the boost clock can sustain when the CPU feeds it frames fast enough. The card's FP32 throughput of 51.48 TFLOPS and texture rate of 804.4 GTexel/s provide ample raw compute for the game's 3D component viewer and build visualization tools.

While the GPU's percentile rank of 55 among all graphics cards might suggest mid-pack performance, that ranking is skewed by the inclusion of many workstation and integrated solutions. Against its nearest rivals, the RX 7900 XT's average score of 13,745 is within 0.5% of the AMD Radeon 660M and NVIDIA RTX A2000 Mobile, and 1.5% behind the AMD Radeon RX 9070 XT. In practical terms for Pc Building Simulator, the card delivers frame rates that are far beyond what the game's simulation logic requires, making the GPU the less stressed component in most scenarios.

CPU Role

The Ryzen 9 9900X is a 12-core, 24-thread processor based on Zen 5 architecture, built on a 4 nm TSMC process with a transistor count of 16,630 million across two 70.6 mm² dies. It runs at a base clock of 4.40 GHz and boosts to 5.60 GHz, with 64 MB of L3 cache plus 1 MB of L2 per core. This configuration is overkill for Pc Building Simulator's CPU demands, which primarily involve physics calculations for the build bench, temperature simulations for components, and the logic that tracks which parts are compatible with the case and motherboard.

The CPU's benchmark results tell a clear story: a Cinebench R23 multi-core score of 32,172 and a single-core score of 2,253. The single-core strength matters here because the game's simulation thread — the one handling the build bench and component interactions — cannot be fully parallelized. The 5.60 GHz boost clock ensures that this main thread runs as fast as possible, and the 3DMark single-thread score of 1,286 confirms the architecture's efficiency on lightly threaded workloads. The 3DMark 16-thread score of 12,552 and max-thread score of 13,929 indicate that when the game does spread load across cores, the 24 threads have plenty of headroom.

In the context of this game, the CPU's 120 W TDP and dual-channel DDR5 memory support with 89.6 GB/s bandwidth provide enough memory throughput to feed the RX 7900 XT without becoming a limiting factor. The processor's percentile rank of 92 among all CPUs places it in the upper echelon, and its average benchmark score of 57,498 is within 0.1% of the AMD EPYC 9015 and 0.2% ahead of the AMD EPYC 7313. It trails the Intel Core i9-14900 by 1.1% and the Intel Xeon Platinum 8260M by 1.4%, but those are server-class or high-end desktop parts with different thermal and power profiles.

Measured FPS Breakdown

At 1920x1080, the combo delivers frame rates that exceed what any display can show. Low settings produce 396 FPS average, which is a theoretical maximum for the game's engine at this resolution. Medium settings drop to 281 FPS with a minimum of 238 and maximum of 323. High settings yield 198 FPS, and Ultra settings still manage 189 FPS. The consistency between High and Ultra — only a 9 FPS difference — suggests that the GPU has enough headroom at 1080p that the additional graphical features in Ultra do not meaningfully tax the hardware.

Moving to 2560x1440, the performance remains exceptionally high. Low settings hit 250 FPS, Medium produces 177 FPS with a minimum of 150 and maximum of 204, High delivers 125 FPS, and Ultra maintains 119 FPS. The drop from Low to Medium at 1440p is 73 FPS, which is more pronounced than the 115 FPS drop seen at 1080p, indicating that resolution is starting to add pressure to the GPU's pixel throughput. However, even the Ultra result of 119 FPS is well above the 60 FPS threshold for smooth gameplay.

At 3840x2160, the results show the expected scaling pressure. Low settings produce 131 FPS, Medium delivers 93 FPS with a minimum of 79 and maximum of 106, High drops to 65 FPS, and Ultra bottoms out at 62 FPS. The 4K Ultra result is the only configuration where the combo dips below the 100 FPS mark, and it still clears 60 FPS comfortably. The data shows a clear pattern: at 1080p and 1440p, the system is CPU-limited in the sense that the GPU is waiting for work; at 4K, the GPU becomes the primary constraint, but it remains capable of playable frame rates at every settings level.

Resolution Scaling

The frame rate scaling from 1080p to 4K reveals how the workload shifts between components. At Low settings, going from 1080p's 396 FPS to 1440p's 250 FPS represents a 37% reduction, and then to 4K's 131 FPS is another 48% reduction from the 1440p figure. This steep drop-off at Low settings indicates the game's low preset reduces GPU load so much that the CPU becomes the bottleneck at 1080p — the 396 FPS ceiling is likely limited by the game's simulation thread rather than the GPU's ability to render frames.

At Ultra settings, the scaling is more gradual. The 1080p result of 189 FPS drops to 119 FPS at 1440p (37% reduction) and then to 62 FPS at 4K (48% reduction from 1440p). The consistent percentage drops across settings suggest that the game's Ultra preset scales pixel count in a linear fashion, with the GPU's fill rate and memory bandwidth being the limiting factors. The 800.0 GB/s of memory bandwidth is sufficient to handle the increased pixel throughput at 4K, but the 62 FPS Ultra result shows that the card is working near its limits at that resolution.

The data points to a clear conclusion: at 1080p and 1440p, the Ryzen 9 9900X's single-thread performance keeps the game's simulation running ahead of the GPU's rendering speed, making the system responsive and smooth. At 4K, the RX 7900 XT becomes the limiting component, but it still delivers playable frame rates across all settings. The 20 GB VRAM buffer is never a constraint, as even the most demanding 4K Ultra configuration does not appear to tax memory capacity based on the stable frame times observed in the Medium preset's minimum of 79 FPS at 4K.

FAQ

Q: Is this combo good enough for 4K gaming in Pc Building Simulator?

A: Yes. The measured results show 62 FPS at 4K Ultra and 65 FPS at 4K High, both of which clear the 60 FPS threshold for smooth gameplay. The 4K Medium preset delivers 93 FPS with a minimum of 79 FPS, providing a comfortable margin above playability.

Q: Which component is the bottleneck at 1080p?

A: At 1080p Low, the combo reaches 396 FPS, which is likely limited by the CPU's simulation thread rather than the GPU. The Ryzen 9 9900X's single-core performance, evidenced by its 3DMark single-thread score of 1,286, is the primary constraint at this resolution.

Q: How does the RX 7900 XT compare to its nearest rivals?

A: The GPU's average benchmark score of 13,745 is within 0.5% of the AMD Radeon 660M and NVIDIA RTX A2000 Mobile, and 1.5% behind the AMD Radeon RX 9070 XT. It also sits 0.9% ahead of the AMD Radeon RX 570X.

Q: Does the CPU hold back the GPU at higher resolutions?

A: At 4K, the GPU becomes the limiting factor. The 4K Ultra result of 62 FPS shows the RX 7900 XT is working near its maximum capacity, while the CPU's 24 threads remain underutilized. The CPU's 3DMark max-thread score of 13,929 indicates substantial headroom.

Q: What settings give the best balance of quality and speed at 1440p?

A: The 1440p High preset delivers 125 FPS, which is 6 FPS higher than Ultra and only a modest visual difference. The 1440p Medium preset provides 177 FPS with a minimum of 150 FPS, making it the best choice for high-refresh-rate displays.

Q: Is the 20 GB VRAM sufficient for this game at maximum settings?

A: Yes. The 20 GB GDDR6 memory with 800.0 GB/s bandwidth handles all tested configurations without issues. The 4K Ultra result of 62 FPS shows no signs of memory-related stuttering, and the card's 55th percentile ranking among all GPUs does not reflect its actual performance in this simulation title.