Downfall

# Downfall with AMD Ryzen 9 8945HX + NVIDIA GeForce RTX 5080 Mobile

The AMD Ryzen 9 8945HX paired with the NVIDIA GeForce RTX 5080 Mobile delivers a dominant experience in Downfall, with the data showing the combo ranking 1016th out of 3716 tested combinations — placing it in the top 27% of all systems. Across all measured resolutions and settings, this pairing never drops below 57 FPS average, which is remarkable for a horror title that demands consistent frame pacing. The RTX 5080 Mobile's 16 GB of GDDR7 memory and 896.0 GB/s bandwidth prove more than sufficient for Downfall's demands, while the Ryzen 9 8945HX's 16 cores and 32 threads ensure the CPU never becomes the limiting factor at any resolution tested.

Resolution Scaling

The frame rate scaling from 1080p to 4K reveals a system that is overwhelmingly GPU-bound at higher resolutions but still maintains exceptional headroom at 1080p. At Low settings, the average FPS drops from 308 at 1920x1080 to 220 at 2560x1440 — a 28.6% reduction — and further to 137 at 3840x2160, representing a 55.5% drop from 1080p. This steep decline indicates the GPU is doing the heavy lifting, with the RTX 5080 Mobile's 23.04 TFLOPS of FP32 performance being the primary driver.

Medium settings show a similar pattern: 252 FPS at 1080p, 180 FPS at 1440p, and 112 FPS at 4K. The drop from 1080p to 1440p is 28.6%, while the 4K figure sits 55.6% below the 1080p result. High settings follow with 206 FPS at 1080p, 147 FPS at 1440p, and 92 FPS at 4K — a 28.6% reduction at 1440p and a 55.3% reduction at 4K. This consistency across settings suggests the scaling behavior is resolution-driven rather than setting-driven.

Ultra settings present the most demanding scenario, with 129 FPS at 1080p, 92 FPS at 1440p, and just 57 FPS at 4K. The 1440p result is 28.7% lower than 1080p, and the 4K result is 55.8% lower. The fact that even at 4K Ultra the system maintains an average above 60 FPS indicates that the RTX 5080 Mobile's 60 RT cores and 240 tensor cores provide ample compute headroom, though the 57 FPS figure shows the absolute limit of this configuration.

The data clearly shows that the CPU is not the bottleneck at any resolution. The Ryzen 9 8945HX's 5.40 GHz boost clock and 64 MB of L3 cache deliver single-threaded performance that keeps up with the GPU's output even at 1080p Low where 308 FPS is achieved. The consistent 28.6% drop from 1080p to 1440p across all settings, regardless of whether the starting point is 308 FPS or 129 FPS, points to a purely GPU-limited scenario at those resolutions. At 4K, the 55% reduction is characteristic of pixel-pushing limits rather than any CPU constraint.

FAQ

Q: What is the maximum average frame rate achievable with this combo in Downfall?

A: The highest measured average FPS is 308 at 1920x1080 with Low settings. Even at the most demanding configuration — 3840x2160 with Ultra settings — the system maintains a playable 57 FPS average.

Q: Can this system handle 4K gaming in Downfall?

A: Yes, but with caveats. At 4K High settings, the average FPS is 92, which is well above smooth gameplay thresholds. At 4K Ultra, the average drops to 57 FPS, which is just below the 60 FPS target but still playable for a horror title. The 16 GB VRAM and 896.0 GB/s bandwidth ensure no memory-related stuttering.

Q: How does the RTX 5080 Mobile compare to its nearest rival in synthetic benchmarks?

A: The RTX 5080 Mobile's average benchmark score is 38349, which is 0.6% higher than the NVIDIA GeForce RTX 4080 Mobile at 38135. It also outperforms the NVIDIA GeForce MX570 by 0.1% and the NVIDIA GeForce MX570 A by 0.9%, while trailing the AMD Radeon Pro 580X by 0.9%.

Q: Is the Ryzen 9 8945HX a capable pairing for this GPU?

A: Yes. The CPU's average benchmark score of 76212 places it in the 95th percentile among all CPUs. It is 0.1% ahead of the Intel Core Ultra 9 285HX and 0.6% ahead of the AMD Ryzen 9 9950X3D in average scores, showing it can feed the GPU without bottlenecking.

Q: What is the frame time consistency like at Medium settings?

A: The data shows min and max FPS only for Medium settings. At 1920x1080, the range is 214 to 289 FPS around a 252 average. At 2560x1440, it ranges from 153 to 207 around a 180 average. At 3840x2160, it ranges from 95 to 129 around a 112 average. This represents roughly a 30% spread between min and max, indicating some frame time variance but no severe hitches.

Q: Does this system rank highly among all tested combos?

A: The combo ranks 1016th out of 3716 tested combinations, placing it in the top 27.3% of all systems tested. This is a strong result, though not elite-tier, reflecting the mobile nature of the components.

GPU Role

The NVIDIA GeForce RTX 5080 Mobile is the undisputed performance driver in this configuration, and the data shows its 16 GB of GDDR7 memory operating across a 256-bit bus with 896.0 GB/s of bandwidth is more than sufficient for Downfall's requirements. The GPU's 7680 shading units, 240 texture mapping units, and 96 raster output pipelines provide the raw compute necessary to sustain the high frame rates observed. The 23.04 TFLOPS of FP32 performance and matching FP16 throughput indicate a balanced design that handles both rasterization and compute workloads effectively.

The clock behavior is particularly revealing for Downfall's demands. The base clock of 975 MHz and boost clock of 1500 MHz suggest the GPU is designed for sustained performance rather than bursty operation. The 144.0 GPixel/s pixel rate and 360.0 GTexel/s texture rate translate directly to the frame rates seen in the measured data. At 4K Ultra, the 57 FPS average represents the GPU operating near its sustained limits, while at 1080p Low the 308 FPS shows the headroom available when pixel throughput requirements drop.

The memory configuration deserves attention. With GDDR7 running at 1750 MHz (28 Gbps effective), the 896.0 GB/s bandwidth is a critical asset for a horror game that may rely on high-resolution textures and complex shaders. The 16 GB capacity ensures that even at 4K Ultra settings, there is no risk of exceeding VRAM limits, which would cause severe frame drops. The data supports this: the minimum FPS at 4K Medium is 95, and while no min FPS is recorded for Ultra at 4K, the 57 FPS average suggests the GPU is compute-bound rather than memory-bound.

The GPU's synthetic benchmark performance contextualizes its real-world results. The 3DMark Steel Nomad DX12 score of 4952 and Geekbench Vulkan score of 169754 indicate strong DirectX 12 and Vulkan performance, which aligns with Downfall's rendering requirements. The Passmark G3D score of 27711 places the GPU in the 81st percentile among all GPUs, though its nearest rival comparisons show only marginal differences — 0.6% above the RTX 4080 Mobile and 0.1% above the MX570. This suggests that while the RTX 5080 Mobile is a capable GPU, the measured FPS in Downfall benefit significantly from the CPU pairing and driver optimizations.

How This Combo Ranks

The combination of the AMD Ryzen 9 8945HX and NVIDIA GeForce RTX 5080 Mobile ranks 1016th out of 3716 tested combos in Downfall, placing it in the 72.7th percentile of all systems. This is a solid result that reflects the mobile platform's capabilities, though it does not crack the top 1000. The ranking should be interpreted in context: many of the 3716 combos include desktop CPUs and GPUs with higher power envelopes and thermal headroom, so a mobile system achieving top-quartile status is noteworthy.

The CPU's own ranking provides insight into the combo's placement. With an average benchmark score of 76212, the Ryzen 9 8945HX sits in the 95th percentile among all CPUs, meaning it outperforms 95% of processors tested. Its nearest rivals are tightly clustered: the Intel Core Ultra 9 285HX scores 76155 (0.1% lower), the AMD EPYC Embedded 8224P scores 76492 (0.4% higher), and the AMD Ryzen Threadripper PRO 9945WX scores 76513 (0.4% higher). The AMD Ryzen 9 9950X3D scores 75779, which is 0.6% lower than the 8945HX. This places the mobile CPU in rarefied company, performing comparably to high-end desktop and server parts.

The GPU's ranking is less impressive on the surface. With an average benchmark score of 38349, the RTX 5080 Mobile sits in the 81st percentile among all GPUs. Its nearest rivals are surprisingly close: the MX570 scores 38299 (0.1% lower), the RTX 4080 Mobile scores 38135 (0.6% lower), the MX570 A scores 38691 (0.9% higher), and the Radeon Pro 580X scores 38706 (0.9% higher). This tight clustering around the 38,000 score mark suggests the RTX 5080 Mobile is positioned in a competitive performance band, with the measured FPS in Downfall benefiting from the specific game's optimization for NVIDIA architecture.

The 1016th rank out of 3716 combos should be seen as a function of the GPU's mid-tier positioning relative to the full spectrum of tested hardware. The CPU's top-tier performance lifts the combo above what the GPU alone would achieve, but the GPU's 81st percentile score limits the ceiling. In Downfall specifically, the data shows the combo performing strongly at 1080p and 1440p, with 4K Ultra being the only scenario where the system drops below 60 FPS. This suggests the ranking reflects the GPU's limits at extreme resolutions rather than any deficiency in the pairing.

Measured FPS Breakdown

At 1920x1080, the system delivers exceptional performance across all settings. Low settings produce an average of 308 FPS, which is the highest measured result in the entire dataset. Medium settings yield 252 FPS with a min of 214 and max of 289, showing a 15.1% variance from min to average. High settings produce 206 FPS, while Ultra settings deliver 129 FPS. The progression from Low to Ultra shows a 58.1% reduction in frame rate, which is substantial but expected given the increased rendering demands.

Moving to 2560x1440, the performance remains strong but shows the expected scaling. Low settings produce 220 FPS, a 28.6% drop from 1080p. Medium settings average 180 FPS with min of 153 and max of 207, representing a 15% variance from min to average — consistent with the 1080p pattern. High settings deliver 147 FPS, while Ultra settings produce 92 FPS. The Low-to-Ultra reduction at 1440p is 58.2%, nearly identical to the 1080p scaling, confirming that the relative performance gap between settings is resolution-independent.

At 3840x2160, the system begins to show its limits. Low settings produce 137 FPS, Medium averages 112 FPS with a min of 95 and max of 129, High settings deliver 92 FPS, and Ultra drops to 57 FPS. The Low-to-Ultra reduction at 4K is 58.4%, again consistent with the other resolutions. The min FPS at 4K Medium is 95, which is comfortably above 60, but the Ultra average of 57 suggests that frame times may occasionally dip below playable thresholds, though no min FPS data is available for that configuration.

The Medium settings rows provide the only min/max data, which is valuable for understanding frame time consistency. Across all three resolutions, the spread between min and max is approximately 30% of the max value: 75 FPS at 1080p (214 to 289), 54 FPS at 1440p (153 to 207), and 34 FPS at 4K (95 to 129). This consistent variance pattern indicates the game's frame pacing is stable regardless of resolution, with the GPU maintaining a predictable workload profile.

Settings Recommendations

For 1920x1080 displays, Ultra settings are the clear choice. The system delivers 129 FPS average, which is well above the 60 FPS threshold for smooth gameplay and provides ample headroom for any demanding scenes. Even at Ultra, the data shows no min FPS recorded below the average, suggesting consistent performance. Players seeking maximum frame rates can opt for Low at 308 FPS, but the visual compromise is unnecessary given the Ultra performance.

At 2560x1440, Ultra settings remain viable with 92 FPS average. This is above 60 FPS and provides a good balance between visual quality and performance. Medium settings offer 180 FPS for those who prioritize frame rate, but the data suggests Ultra is the best experience at this resolution given the 92 FPS result. The 58.2% drop from Low to Ultra at 1440p is substantial, but the absolute numbers favor Ultra for most players.

The 3840x2160 resolution presents the most interesting trade-off. Ultra settings produce only 57 FPS, which is below the 60 FPS target and may result in noticeable frame pacing issues in a horror game where smooth motion is critical. High settings deliver 92 FPS, which is a 61.4% improvement over Ultra and provides a much safer margin above 60 FPS. Medium settings offer 112 FPS, and Low delivers 137 FPS. For 4K, High settings represent the sweet spot: it maintains the visual fidelity of higher settings while ensuring the frame rate never approaches the danger zone. The data clearly shows that the jump from High to Ultra costs 35 FPS (from 92 to 57), which is too steep a price for the incremental visual gains in a game like Downfall.

Across all resolutions, the Medium setting row provides the only min/max data, showing that this preset offers the most predictable frame pacing. At 4K Medium, the min FPS of 95 ensures no drops below playable levels. For players who cannot tolerate any frame rate variance, Medium is the safest choice, but the High preset at 1440p and 4K offers the best balance of visual quality and performance headroom. The data supports a recommendation of Ultra at 1080p, Ultra at 1440p, and High at 4K as the optimal configurations for this hardware pairing in Downfall.