Downfall

Resolution Scaling — how FPS drops from 1080p to 4K and what it says about the limiting component

The measured frame rates for this AMD Ryzen 5 3600 + AMD Radeon RX 580 pairing in Downfall reveal a steep penalty as resolution climbs, but the shape of that curve is telling. At 1080p Low, the combo produces 103.8 FPS. Moving to 1440p Low drops that to 71.7 FPS, a 31% reduction. Pushing further to 4K Low yields 42.8 FPS, which is 59% below the 1080p figure. This is a classic rasterization-bound pattern: the RX 580’s 256-bit memory bus and 256.0 GB/s bandwidth are being saturated as pixel count quadruples from 1080p to 4K.

The scaling from 1080p to 1440p at High settings is milder: 68.4 FPS down to 49.2 FPS, a 28% loss. But the jump from 1440p High to 4K High is harsher, falling to 29.8 FPS, a 39% drop. This nonlinearity suggests that at 4K, the GPU is not just filling more pixels but also struggling with the memory bandwidth ceiling. The RX 580’s 8 GB GDDR5 frame buffer is sufficient in capacity, but the effective 8 Gbps memory speed becomes the wall.

What does this say about the limiting component? At 1080p, the gap between Low (103.8 FPS) and Ultra (42.7 FPS) is 61 FPS, indicating the GPU is heavily taxed by settings. At 4K, the same spread narrows to 21.3 FPS (42.8 Low vs 21.5 Ultra), meaning the GPU is so overwhelmed that even dropping to Low cannot rescue playability. The CPU, with its 6 cores and 12 threads, is not the primary constraint here — the consistent frame-rate collapse across all settings at higher resolutions points squarely at the Polaris 20 GPU.

GPU Role — VRAM, clocks, and how they relate to this game's results

The Radeon RX 580 operates with a base clock of 1257 MHz and a boost clock of 1340 MHz, paired with 2304 shading units and 32 ROPs. In Downfall, a horror title from 2016, these specifications translate to a GPU that can handle 1080p comfortably but falters at 4K. The 8 GB GDDR5 memory is never the bottleneck in capacity — even Ultra settings at 4K only demand more compute, not more VRAM headroom. The texture rate of 193.0 GTexel/s and pixel rate of 42.88 GPixel/s are the real determinants.

At 1080p Ultra, the combo hits 42.7 FPS, which is just below the 60 FPS threshold many players target. The FP32 throughput of 6.175 TFLOPS is adequate for this game’s horror aesthetics, which rely more on lighting and shadow effects than on massive geometry. The GPU’s DirectX 12 (12_0) support means the game can leverage modern APIs, but the 14 nm Polaris 20 chip, with 5,700 million transistors on a 232 mm² die, shows its age when resolution scales.

The benchmark data shows the RX 580’s percentile rank at 53 among all GPUs, with its nearest rival, the NVIDIA GeForce GTX 570, matching its average score within 0%. That equivalence is reflected in Downfall: the GPU delivers playable 1080p performance but cannot sustain 60 FPS at 1440p High (49.2 FPS) or 4K Low (42.8 FPS). The 185 W TDP and single 8-pin connector suggest the card is drawing significant power, but the data does not indicate thermal throttling — the frame rates are consistent with compute limits, not power limits.

CPU Role — cores, clocks, and how they relate to this game's results

The AMD Ryzen 5 3600 brings 6 cores and 12 threads, with a base clock of 3.60 GHz and boost clock of 4.20 GHz. In Downfall, the CPU’s role is secondary to the GPU, but it still sets the floor for minimum frame rates. The 3DMark single-thread score of 696 and multi-thread score of 4605 indicate a processor that can feed the RX 580 without stalling at 1080p. The Cinebench R23 multi-core score of 15045 further confirms that this CPU has ample headroom for a 2016 game.

At 1080p Low, the combo reaches 103.8 FPS, which suggests the CPU is not the limiter — the GPU is still processing frames faster than the CPU can bottleneck. The Ryzen 5 3600’s 32 MB shared L3 cache helps with game logic and AI in horror titles, where sudden spawns and scripted events can cause frame hitches. The benchmark data shows no such hitches in the measured FPS, with no min or max values reported, implying stable frame delivery.

The CPU’s percentile rank of 76 among all CPUs places it above the median, and its nearest rival, the Intel Core i5-11400, scores nearly identically (18150 vs 18129, a -0.1% delta). This suggests that swapping the CPU would not meaningfully change Downfall performance. At 4K Ultra, where the GPU is clearly saturated at 21.5 FPS, the CPU is likely idle waiting for the GPU to finish each frame. The Ryzen 5 3600’s 65 W TDP and 7 nm TSMC process make it an efficient partner, but the data shows the GPU is the binding constraint across all resolutions.

Measured FPS Breakdown — resolution by resolution, settings by settings, exact numbers

The measured FPS table provides a complete picture of this combo’s behavior in Downfall. At 1920x1080, the range spans from 103.8 FPS at Low to 42.7 FPS at Ultra, with Medium at 84.5 FPS and High at 68.4 FPS. This is a smooth degradation curve, with each settings tier costing roughly 15-20 FPS. The 1080p Low result of 103.8 FPS is the only triple-digit figure in the entire dataset, indicating that this resolution and preset combination is the sweet spot for high refresh rate displays.

Moving to 2560x1440, the numbers compress: Low yields 71.7 FPS, Medium 58.8 FPS, High 49.2 FPS, and Ultra 31.4 FPS. The gap between Low and Medium is 12.9 FPS, while the gap between High and Ultra is 17.8 FPS — the Ultra preset is disproportionately expensive. At 3840x2160, the results are 42.8 FPS (Low), 38.2 FPS (Medium), 29.8 FPS (High), and 21.5 FPS (Ultra). The step from Low to Medium is only 4.6 FPS, suggesting that the GPU is running out of compute headroom rather than memory bandwidth at this resolution.

The data reveals an interesting pattern: the percentage drop from 1080p to 4K is consistent across settings. Low drops 59%, Medium drops 55%, High drops 56%, and Ultra drops 50%. This uniformity indicates that the RX 580’s performance scaling is predictable and purely resolution-bound. No setting can escape the 4K penalty, which confirms the GPU’s 256-bit memory interface is the fundamental limit.

FAQ

*Q: Can this combo run Downfall at 1080p with a smooth experience?*

A: Yes, at 1080p Medium the combo delivers 84.5 FPS, and at High it manages 68.4 FPS. Both are above the 60 FPS threshold. Ultra drops to 42.7 FPS, which is playable but not smooth for fast-paced horror sequences.

Q: What is the best resolution for this pairing if aiming for 60+ FPS?

A: Only 1920x1080 with Low (103.8 FPS), Medium (84.5 FPS), or High (68.4 FPS) settings achieves 60+ FPS. At 2560x1440, even Low (71.7 FPS) clears 60 FPS, but Medium (58.8 FPS) falls just short.

Q: Is 4K gaming viable with the RX 580 in this game?

A: The data shows 4K Low (42.8 FPS) and Medium (38.2 FPS) are playable but not smooth. 4K High (29.8 FPS) and Ultra (21.5 FPS) are below 30 FPS, which is generally considered the minimum for acceptable playability.

*Q: How does this combo rank compared to other tested systems in Downfall?*

A: The combo ranks 1611 out of 1741 tested combinations, placing it in the bottom 8% of all systems. This low rank is primarily due to the RX 580’s GPU percentile of 53, which drags down the overall performance.

Q: Does the Ryzen 5 3600 bottleneck the RX 580 in this game?

A: No. The CPU’s single-thread score of 696 and multi-thread score of 4605 are sufficient for a 2016 horror title. The consistent FPS drops across resolutions point to the GPU as the sole bottleneck, not the CPU.

Q: What is the frame rate difference between High and Ultra at 1440p?

A: At 2560x1440, High produces 49.2 FPS while Ultra produces 31.4 FPS. The 17.8 FPS difference suggests Ultra settings add significant shading or post-processing effects that heavily tax the RX 580’s 32 ROPs.

Settings Recommendations

The measured rows provide a clear hierarchy for this combo. At 1080p, the best experience is High settings at 68.4 FPS — this balances visual fidelity with smoothness, leaving headroom above the 60 FPS threshold. Medium at 84.5 FPS is the safer choice for players who prioritize frame rate stability, but High offers a better visual experience without dropping below playable territory. Ultra at 42.7 FPS is not recommended, as the visual uplift does not justify the 26 FPS loss from High.

At 1440p, Low settings (71.7 FPS) are the only preset that clears 60 FPS, but Medium (58.8 FPS) is close enough for most players to tolerate. The data suggests that Medium at 1440p is the optimal compromise, offering better textures and effects than Low while staying within 1.2 FPS of the 60 FPS target. High (49.2 FPS) is playable but noticeably less smooth, and Ultra (31.4 FPS) should be avoided.

For 4K, the situation is dire: even Low (42.8 FPS) cannot reach 60 FPS. The best choice is Low settings, which provides a playable frame rate for a horror game where atmosphere matters more than graphical polish. Medium (38.2 FPS) is acceptable for players who prefer better shadows, but High (29.8 FPS) and Ultra (21.5 FPS) are too choppy for the genre’s reliance on sudden movements and reactive gameplay. The measured data strongly suggests that this combo is best suited to 1080p, with 1440p as a secondary option for players willing to accept lower settings.

How This Combo Ranks

The Ryzen 5 3600 + RX 580 combination ranks 1611 out of 1741 tested combos in Downfall, placing it in the bottom 7.5% of all systems. This low rank is surprising given the CPU’s strong showing (76th percentile among all CPUs) but is explained by the GPU’s middling performance (53rd percentile). The GPU’s nearest rival, the NVIDIA GeForce GTX 570, scores nearly identically in average benchmarks (13564 vs 13559), yet the RX 580’s additional 8 GB VRAM does not translate into a better in-game rank.

The CPU’s nearest rivals — the Intel Core i5-11400 (18150 avg, -0.1% delta), AMD Ryzen 5 7535HS (18101, +0.2%), AMD Ryzen 5 1600 (18158, -0.2%), and AMD EPYC 9274F (18189, -0.3%) — all perform within a fraction of a percent of the Ryzen 5 3600. This indicates that swapping the CPU for any of these would not meaningfully change the combo’s rank in Downfall. The bottleneck is unambiguously the GPU.

The rank of 1611 out of 1741 means that 130 combos perform worse, but the vast majority of tested systems outperform this pairing. The data implies that for a 2016 horror game, this combo is only suitable for 1080p gaming at medium-to-high settings. The RX 580’s end-of-life production status and GCN 4.0 architecture, with its 14 nm process and 5,700 million transistors, cannot keep pace with modern titles at higher resolutions. Players seeking 1440p or 4K performance would need to prioritize a GPU upgrade, as the Ryzen 5 3600 has ample headroom to support a faster graphics card.