Downfall

The AMD Radeon RX 6600 XT paired with the Intel Core Ultra 7 270K Plus delivers a playable but resolution-sensitive experience in Downfall, with the data showing a clear hierarchy where 1080p and 1440p provide strong frame rates while 4K Ultra becomes the only configuration that falls below the 60 FPS threshold. The measured results across twelve settings/resolution combinations reveal a system where the GPU’s 8 GB memory and RDNA 2.0 architecture dictate performance scaling, while the 24-core CPU remains largely untaxed by this horror title.

Resolution Scaling

The FPS drop from 1080p to 4K is substantial, and the pattern across all four settings presets tells a consistent story about which component is the limiting factor. At Low settings, the average frame rate falls from 191 FPS at 1920x1080 to 136 FPS at 2560x1440, a reduction of 55 FPS, and then further to 85 FPS at 3840x2160, meaning the 4K result is just 44.5% of the 1080p figure. This steep decline indicates that the RX 6600 XT’s pixel throughput, not the CPU, is the bottleneck, as the CPU’s performance would not degrade with resolution changes.

The Medium preset shows a similar relative drop: 156 FPS at 1080p, 111 FPS at 1440p, and 69 FPS at 4K. The 1440p result maintains 71.2% of the 1080p performance, while the 4K result retains only 44.2%. High settings follow the same trajectory, with 128 FPS at 1080p, 91 FPS at 1440p, and 57 FPS at 4K. The Ultra preset is the most demanding, starting at 80 FPS at 1080p, dropping to 57 FPS at 1440p, and collapsing to 36 FPS at 4K — a 55% reduction from 1080p to 4K.

The scaling behavior suggests that the GPU’s 256.0 GB/s memory bandwidth and 128-bit bus become increasingly strained as pixel count rises. The fact that the 1080p-to-1440p drop is proportionally smaller than the 1440p-to-4K drop across all presets indicates that the 8 GB frame buffer and the 165.7 GPixel/s pixel rate are adequate for lower resolutions but hit a wall at 4K. For 4K gaming, only the Low preset (85 FPS) and Medium preset (69 FPS) clear the 60 FPS mark, while High (57 FPS) and Ultra (36 FPS) fall short.

GPU Role

The RX 6600 XT’s specifications directly explain the measured results. With a boost clock of 2589 MHz and a game clock of 2359 MHz, the GPU operates at relatively high frequencies, but the 8 GB GDDR6 memory on a 128-bit bus provides a bandwidth of 256.0 GB/s. This memory configuration is the primary constraint at higher resolutions, as the data shows that the gap between Low and Ultra settings widens dramatically as resolution increases.

At 1080p, the difference between Low (191 FPS) and Ultra (80 FPS) is 111 FPS, a 2.4x performance spread. At 1440p, the spread shrinks to 79 FPS (136 vs 57), and at 4K it narrows further to 49 FPS (85 vs 36). This narrowing spread indicates that the GPU’s compute resources, rated at 10.60 TFLOPS FP32 with 2048 shading units and 64 ROPs, are not the limiting factor at low resolutions; instead, the memory subsystem becomes the binding constraint as resolution increases. The 331.4 GTexel/s texture rate and 128 TMUs are sufficient for the lower presets, but the Ultra preset’s additional texture and shading demands push the memory bandwidth to its limit.

The GPU’s percentile ranking of 70 against all GPUs places it above the midpoint, and its average benchmark score of 24442 is within 1.1% of the NVIDIA GeForce RTX 2080 SUPER (24170) and 0.7% of the GTX 1630 (24277), according to the nearestRivals data. This positioning suggests that the RX 6600 XT is a mid-range part that excels at 1080p and handles 1440p well, but the 4K Ultra result of 36 FPS confirms it is not designed for maximum settings at that resolution. The 32 RT cores are present, but the game’s horror genre likely does not rely heavily on ray tracing, and the DirectX 12 Ultimate (12_2) support provides modern API compatibility without necessarily improving raw frame rates.

CPU Role

The Intel Core Ultra 7 270K Plus is a 24-core, 24-thread processor with a base clock of 3.70 GHz and a boost clock of 5.50 GHz, built on a 3 nm process with an L3 cache of 36 MB. In Downfall, the CPU’s role is clearly secondary, as evidenced by the FPS scaling patterns: if the CPU were the bottleneck, frame rates would remain flat across resolutions, but the data shows a consistent decline from 1080p to 4K across all settings. This indicates that the CPU is not limiting performance at any tested configuration.

The CPU’s benchmark scores support this interpretation. The Cinebench R23 multicore score of 44253 and single-core score of 2439 place it in the 96th percentile of all CPUs, with an average benchmark score of 93785. Its nearest rivals, the Intel Xeon 6520P (93786, 0% delta) and AMD EPYC 4564P (95183, -1.5% delta), are server-class parts, showing that the Ultra 7 270K Plus has substantial headroom for gaming workloads. The PassMark single-thread score of 5068 and multithread score of 68574 further indicate that this CPU can handle the game’s logic, AI, and physics without breaking a sweat.

For a horror game like Downfall, which is unlikely to leverage the CPU’s 24 threads heavily, the processor’s high single-core performance (boost clock of 5.50 GHz) is the more relevant metric. The measured FPS at 1080p Low (191 FPS) approaches the GPU’s raw capability, and the fact that this frame rate is not higher suggests the game’s engine may have some frame rate cap or engine-level limitation, not a CPU bottleneck. The CPU’s memory bandwidth of 115.2 GB/s over dual-channel DDR5 is ample for this title, and the 36 MB L3 cache reduces memory access latency, though the game’s data footprint is unlikely to exceed this cache size.

How This Combo Ranks

The combination of the Core Ultra 7 270K Plus and RX 6600 XT ranks 2091 out of 2928 tested combos in Downfall, placing it in the 71.4th percentile of all system configurations. This ranking reflects the GPU’s mid-range positioning more than the CPU’s high-end status, as the 24-core processor is overkill for a game that is clearly GPU-bound. The rank of 2091 indicates that roughly 837 combos perform better, which is consistent with the RX 6600 XT’s 70th percentile GPU ranking.

The delta between the CPU’s 96th percentile and the combo’s 71st percentile highlights the imbalance: the processor is near the top of its class, but the graphics card holds back the overall result. The GPU’s nearestRivals data shows that the RX 6600 XT is within 1.1% of the RTX 2080 SUPER in average score, yet that older GPU may have different driver optimizations or memory configurations that shift real-world game performance. In Downfall specifically, the 8 GB VRAM and 128-bit bus cap the combo’s potential at 4K, where the Ultra preset’s 36 FPS is the lowest measured result across all configurations.

The combo’s rank of 2091 out of 2928 also suggests that many systems with cheaper CPUs but stronger GPUs would outperform this pairing in this game. However, the data shows that the CPU is not a liability — at 1080p, the combo achieves 191 FPS at Low settings, indicating that the CPU can feed the GPU adequately. The ranking is therefore a reflection of the GPU’s limitations, not a criticism of the processor’s gaming capability.

Settings Recommendations

Based on the measured FPS data, the optimal settings depend on the target resolution and frame rate preference. For 1080p, the Ultra preset delivers 80 FPS, which is above the 60 FPS threshold and provides the best visual quality without sacrificing playability. The Medium preset at 156 FPS is overkill for most displays, and the jump from High (128 FPS) to Ultra (80 FPS) costs 48 FPS but likely adds significant visual fidelity in a horror game where atmosphere matters.

At 1440p, the High preset at 91 FPS is the sweet spot, as it stays well above 60 FPS while offering better visuals than Medium (111 FPS) at a more modest frame rate cost. The Ultra preset at 57 FPS just misses the 60 FPS mark, so players with 144 Hz displays may prefer High for smoother motion, while those with 60 Hz monitors could accept Ultra’s 57 FPS if they prioritize image quality. The Medium preset at 111 FPS is the safest choice for competitive play or motion clarity.

At 4K, the situation is more constrained. The Medium preset at 69 FPS is the highest quality option that clears 60 FPS, making it the recommended choice for most 4K displays. The High preset at 57 FPS is borderline and may cause noticeable stutter on 60 Hz panels, while the Low preset at 85 FPS sacrifices too much visual quality for a horror game that relies on atmosphere. The Ultra preset at 36 FPS is not recommended for 4K, as the frame rate drops below playable thresholds, and the data shows a 33 FPS gap between Ultra and High at this resolution.

FAQ

*Q: Can this system run Downfall at 4K with playable frame rates?*

A: Yes, but only at Low (85 FPS) or Medium (69 FPS) settings. The High preset averages 57 FPS, and Ultra drops to 36 FPS, both below the 60 FPS threshold.

Q: How much performance does the Ultra preset cost compared to High at 1440p?

A: At 2560x1440, Ultra averages 57 FPS versus High’s 91 FPS, a difference of 34 FPS or a 37% reduction in average frame rate.

Q: Is the Intel Core Ultra 7 270K Plus a bottleneck in this game?

A: No. The FPS scaling from 1080p to 4K is consistent with a GPU bottleneck, and the CPU’s 96th percentile ranking with a 5.50 GHz boost clock provides ample headroom for this title.

Q: What is the best setting for a 144 Hz 1080p monitor?

A: The Medium preset at 156 FPS exceeds 144 Hz, while the Low preset at 191 FPS provides even more headroom. The High preset at 128 FPS is slightly below 144 Hz, so Medium is the recommended balance.

*Q: How does this combo rank among all tested systems in Downfall?*

A: It ranks 2091 out of 2928 tested combinations, placing it in the 71st percentile of all system configurations tested for this game.

Q: Why does the frame rate drop so much from 1080p to 4K?

A: The RX 6600 XT’s 8 GB GDDR6 memory on a 128-bit bus (256.0 GB/s bandwidth) becomes the limiting factor at higher resolutions, as shown by the narrowing performance gap between Low and Ultra settings as resolution increases.

Measured FPS Breakdown

1920x1080 (1080p):

• Low: 191 FPS average
• Medium: 156 FPS average (133 min, 180 max)
• High: 128 FPS average
• Ultra: 80 FPS average

2560x1440 (1440p):

• Low: 136 FPS average
• Medium: 111 FPS average (95 min, 128 max)
• High: 91 FPS average
• Ultra: 57 FPS average

3840x2160 (4K):

• Low: 85 FPS average
• Medium: 69 FPS average (59 min, 80 max)
• High: 57 FPS average
• Ultra: 36 FPS average

The data shows a consistent pattern where the Medium preset is the only configuration at each resolution that provides min/max frame rate data, indicating that this is the most stable setting in terms of frame pacing. The 1080p results all exceed 60 FPS, with even Ultra delivering 80 FPS, while the 1440p results keep all presets above 57 FPS. The 4K results are the most variable, with a 49 FPS spread between Low (85 FPS) and Ultra (36 FPS), highlighting the GPU’s memory bandwidth limitation at this resolution. Across all twelve measurements, the system never drops below 36 FPS, but the Ultra preset at 4K is the only configuration that falls below the 40 FPS threshold, confirming that this setting is reserved for players who prioritize visual fidelity over frame rate.