Downfall

# Downfall with AMD Ryzen 7 7700X + AMD Radeon RX 570

The pairing of AMD's Ryzen 7 7700X with the Radeon RX 570 in Downfall produces a striking imbalance: a modern 8-core Zen 4 processor driving a 2017-era Polaris GPU. The measured frames per second across resolutions and settings tell a clear story of a system where the graphics card, not the CPU, dictates the experience. This combination ranks 3547th out of 3716 tested combos in the game, placing it in the bottom tier of configurations, which aligns perfectly with the GPU's age and the demanding nature of the horror title.

Resolution Scaling

The FPS drop from 1080p to 4K is dramatic and reveals the GPU as the primary bottleneck. At 1920x1080 with High settings, the combo averages 62 FPS. Moving to 2560x1440 drops that to 44 FPS, a 29% reduction. At 3840x2160, the average falls to 27 FPS — a 56% loss from 1080p. This scaling pattern is classic GPU-bound behavior: as pixel count increases, the RX 570's 4 GB of GDDR5 memory and 224.0 GB/s bandwidth simply cannot keep pace with the fill-rate demands.

The Low settings row reinforces this interpretation. At 1080p Low, the system hits 92 FPS, which drops to 66 FPS at 1440p and 41 FPS at 4K. Even at the lowest graphical preset, the 4K resolution cuts performance by more than half. The medium preset shows min FPS data: at 1080p Medium, the range is 64–86 FPS with a 75 FPS average; at 1440p Medium, it's 46–62 FPS with a 54 FPS average; and at 4K Medium, the range tightens to 28–38 FPS with a 33 FPS average. These numbers indicate that the GPU's rendering pipeline saturates well before the CPU's 16 threads become relevant.

Notably, the Ultra preset at 4K produces only 17 FPS, which is effectively unplayable. The scaling from Medium to Ultra at 4K is a 48% performance hit (33 to 17 FPS), while the jump from Low to Ultra at 1080p is a 58% drop (92 to 39 FPS). The data suggests that resolution scaling is nearly linear with pixel count, which is the hallmark of a fill-rate-limited scenario. The CPU's role in this equation is minimal — the Ryzen 7 7700X has more than enough headroom to feed the GPU at any resolution.

CPU Role

The Ryzen 7 7700X is a formidable processor on paper: 8 cores, 16 threads, a base clock of 4.50 GHz, and a boost clock of 5.40 GHz. Its 3DMark scores are robust — 8859 in the 16-thread test, 7057 in the 8-thread test, and 1090 in single-thread. Cinebench R23 results show 19088 multi-core and 1987 single-core. These benchmarks place the CPU in the 85th percentile against all CPUs, with an average benchmark score of 35909 accruing. Its nearest rivals include the AMD Ryzen 7 PRO 5845 (0.3% ahead), Intel Core 7 250H (0.5% ahead), and AMD Ryzen AI 7 PRO 350 (0.5% ahead) — all within a rounding error of each other.

In Downfall, however, the CPU's raw horsepower is largely untapped. The game's measured FPS across all resolutions and settings never exceeds 92 FPS (1080p Low), which is well below what this CPU could theoretically push in a GPU-unconstrained scenario. The 4K Ultra result of 17 FPS is particularly telling: even at the most demanding settings, the CPU is likely idling while the GPU struggles. The L3 cache of 32 MB shared and dual-channel DDR5 memory support with 83.2 GB/s bandwidth provide ample memory throughput for game logic, but the RX 570's 224.0 GB/s bandwidth is the limiting factor in texture streaming and frame buffer operations.

The 3DMark 2-thread score of 2112 and 4-thread score of 4074 indicate strong single-threaded performance, which is crucial for game physics and AI in horror titles. Yet the data shows no scenario where the CPU becomes the bottleneck — even at 1080p Low, where the GPU has the least work, the 92 FPS average suggests the Polaris GPU is still the constraint. The CPU's 105W TDP and Zen 4 architecture on TSMC's 5 nm process with 6,570 million transistors on a 71 mm² die are impressive engineering, but they're simply not the deciding factor in this combo's Downfall performance.

How This Combo Ranks

The combo ranks 3547th out of 3716 tested configurations in Downfall, placing it in the bottom 4.5% of all combos. This rank is expected given the GPU's vintage: the RX 570 was released in 2017 and is now end-of-life. The GPU's percentile versus all GPUs is 74, which seems contradictory to the low combo rank, but this percentile reflects synthetic benchmarks like 3DMark Steel Nomad (880) and Geekbench Vulkan (42752), not real-world gaming at modern resolutions. The GPU's average benchmark score of 28766 places it near the AMD Radeon RX 6800M (-0.4% delta), AMD Radeon RX 470 (-0.8% delta), and AMD Radeon R9 M295X (0.7% delta) — a motley crew of mid-range and older parts.

The combo's rank of 3547 out of 3716 indicates that most other pairings tested in Downfall outperform it. This is logical: the RX 570's 4 GB VRAM is insufficient for Ultra textures at 1440p and 4K, and its 5.095 TFLOPS FP32 compute is roughly a quarter of what modern mid-range GPUs offer. The CPU's rank of 85th percentile is effectively wasted in this pairing, as the GPU caps performance far below what the Ryzen 7 7700X could deliver with a more capable graphics card. The data suggests that this combo is heavily GPU-limited, and any upgrade path would require replacing the RX 570 first.

Measured FPS Breakdown

At 1920x1080, the resolution most likely to yield playable results, the combo delivers 92 FPS on Low, 75 FPS on Medium (with min/max of 64/86), 62 FPS on High, and 39 FPS on Ultra. The gap between Medium and High is 13 FPS (17%), while High to Ultra is a 23 FPS drop (37%). This suggests that High settings hit a sweet spot for visual quality versus performance at 1080p, with the GPU still managing above 60 FPS.

At 2560x1440, the story becomes more challenging. Low averages 66 FPS, Medium drops to 54 FPS (min/max of 46/62), High falls to 44 FPS, and Ultra plunges to 28 FPS. The 1440p Medium result is the only setting in this resolution that maintains a playable minimum of 46 FPS, which is borderline for a horror game where frame pacing matters. The 4K resolution is largely a lost cause: Low yields 41 FPS, Medium 33 FPS (min/max of 28/38), High 27 FPS, and Ultra just 17 FPS. None of these are smooth experiences, and the 4K Ultra result of 17 FPS is a slideshow.

The min FPS data at Medium settings across resolutions (64 at 1080p, 46 at 1440p, 28 at 4K) shows that frame dips are proportional to resolution, reinforcing the GPU-bound nature. The max FPS values (86, 62, 38) follow the same pattern. No stutter or CPU-related frame spikes are evident from this data — the performance degradation is smooth and predictable, which is characteristic of a pure fill-rate bottleneck.

GPU Role

The AMD Radeon RX 570 is the clear limiting factor in this combo. Its Polaris 20 chip on GlobalFoundries' 14 nm process packs 5,700 million transistors on a 232 mm² die, with a base clock of 1168 MHz and boost clock of 1244 MHz. The 4 GB of GDDR5 memory on a 256-bit bus provides 224.0 GB/s of bandwidth, but this is simply insufficient for 4K textures and high-resolution frame buffers. The GPU's pixel rate of 39.81 GPixel/s and texture rate of 159.2 GTexel/s are the physical constraints that cap frame rates.

The GPU's benchmark scores paint a mixed picture. Its 3DMark Steel Nomad DX12 score of 880 is very low, reflecting the card's age in modern APIs. However, Geekbench scores are more respectable: 42752 in Vulkan, 39349 in Metal, and 32084 in OpenCL. These numbers indicate the GPU can still handle compute workloads, but gaming at high resolutions exposes its weaknesses. The RX 570's nearest rivals include the AMD Radeon RX 6800M (-0.4% delta), which is a mobile part, and the AMD Radeon RX 470 (-0.8% delta), which is a sibling product. The fact that the RX 570 scores within 1% of these parts confirms it's in a performance class that predates modern gaming demands.

The GPU's 150W TDP and 1x 6-pin power connector suggest it was designed for mainstream systems, not high-end gaming. The 4 GB VRAM is the most critical limitation: Downfall's Ultra preset at 1440p likely exceeds this capacity, causing texture thrashing and the observed 28 FPS average. At 4K Ultra, the 17 FPS result suggests the GPU is swapping textures constantly. The data shows that the GPU's memory subsystem, not its compute units, is the primary bottleneck in this game.

FAQ

Q: Why is the 4K Ultra performance so poor at 17 FPS?

A: The RX 570's 4 GB of GDDR5 memory with 224.0 GB/s bandwidth is insufficient for 4K Ultra textures. The 17 FPS average indicates the GPU is overwhelmed by the pixel count and texture memory demands, far below the 33 FPS Medium result at the same resolution.

Q: Is the Ryzen 7 7700X holding back the RX 570 in this game?

A: No. The CPU's 16 threads and 5.40 GHz boost clock provide ample headroom. Even at 1080p Low, where the GPU has the least work, the 92 FPS average is still GPU-limited. The CPU's 85th percentile ranking versus all CPUs confirms it is not the constraint.

Q: What is the best resolution for this combo in Downfall?

A: 1920x1080 is the only resolution where the combo consistently exceeds 60 FPS. At 1080p High, it averages 62 FPS; at 1080p Medium, it averages 75 FPS. At 1440p, only Low (66 FPS) and Medium (54 FPS) approach playable territory.

Q: How does the RX 570 compare to its nearest GPU rivals?

A: The RX 570's average benchmark score of 28766 is within 1% of the AMD Radeon RX 6800M (-0.4% delta) and AMD Radeon RX 470 (-0.8% delta). It is 0.7% ahead of the AMD Radeon R9 M295X and 1.2% ahead of the NVIDIA Quadro RTX 8000.

Q: Does the combo's rank of 3547 out of 3716 indicate a failed pairing?

A: The rank reflects the GPU's age, not a flaw in the CPU. The RX 570 is end-of-life, and its performance in Downfall at 1440p and 4K is below playable thresholds. The CPU is capable of far higher frame rates with a more modern GPU.

Q: What settings provide the best balance of visuals and performance?

A: At 1080p, High settings (62 FPS) offer a good balance. At 1440p, Medium (54 FPS) is the highest preset that remains playable. At 4K, even Low (41 FPS) is marginal, making this resolution impractical for serious gameplay.

Settings Recommendations

Based on the measured data, the optimal experience with this combo is at 1920x1080 with High settings, yielding a 62 FPS average. This preset provides a significant visual upgrade over Medium (75 FPS) while maintaining a playable frame rate. The 13 FPS cost of moving from Medium to High is acceptable for the visual fidelity gain in a horror game where atmosphere matters. Ultra at 1080p is not recommended — the 39 FPS average is a 37% drop from High and risks motion sickness in a genre that relies on smooth camera movement.

For users willing to accept lower visual quality, 1080p Medium offers the best frame time consistency, with min/max of 64/86 FPS. This is the safest choice for maintaining smooth gameplay during intense scenes. At 2560x1440, Medium (54 FPS) is the highest playable preset, but the 46 FPS minimum suggests occasional dips that could be jarring. Users at 1440p should consider Low (66 FPS) for a more consistent experience. The 4K resolution is effectively off-limits for this combo — even Low at 41 FPS is below the 60 FPS threshold, and Medium's 33 FPS average with 28 FPS minimums makes it unsuitable for a genre that demands responsiveness.

The data indicates that the RX 570's 4 GB VRAM is the deciding factor in settings choices. Ultra presets at any resolution above 1080p cause severe performance degradation, likely due to memory overflow. Sticking to Medium or High at 1080p, or Low at 1440p, keeps the GPU within its memory and bandwidth limits. The Ryzen 7 7700X, meanwhile, has no bearing on these settings decisions — its performance headroom is never the limiting factor in this game.