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

The AMD Ryzen 5 8400F is a 6-core, 12-thread processor based on the Zen 4 (Phoenix) architecture, built on TSMC's 4 nm process. It operates with a base clock of 4.20 GHz and a boost clock of 4.70 GHz, which places it in the upper tier of mainstream desktop CPUs for single-thread responsiveness. The chip carries a 65 W TDP and supports DDR5 memory through a dual-channel interface with 83.2 GB/s of bandwidth. Its L3 cache is 16 MB shared across all cores, with 1 MB of L2 per core and 64 KB of L1 per core.

Benchmark data positions this CPU at the 82nd percentile among all tested processors, with an average benchmark score of 25064. In the 3DMark suite, the chip scores 951 in single-thread, 1874 in 2-thread, 3563 in 4-thread, 5275 in 8-thread, and 6165 in max-thread tests. Cinebench R23 results show 2943 in single-core and 20851 in multi-core, indicating strong scaling from 1 to 6 cores. PassMark multithread score is 24530, with single-thread at 3684.

For a Third-Person Shooter released in 2014, the CPU's single-thread performance is decisive. The game's engine was designed for older hardware, and the 8400F's 4.70 GHz boost clock ensures that draw calls and physics calculations are processed without introducing frame-time spikes. The 12 threads provide ample headroom for background tasks, but the data shows that the limiting factor in this pairing is rarely the processor. At 1080p Low settings, the combo reaches 263.9 FPS, which is a clear indicator that the CPU can feed the GPU far beyond typical display refresh rates. The nearest rival comparison shows the 8400F essentially tied with the AMD Ryzen 7 2700X (deltaPct 0), while sitting 0.3% above the Ryzen 5 7500F. This means the 8400F's computational profile is well-matched to older game engines that favor high clock speeds over massive core counts.

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

The AMD Radeon RX 9070 is built on the RDNA 4.0 architecture with the Navi 48 chip, fabricated on TSMC's 4 nm process. It packs 16 GB of GDDR6 memory on a 256-bit bus, delivering 644.6 GB/s of bandwidth. The GPU's base clock is 1330 MHz, with a game clock of 2070 MHz and a boost clock of 2520 MHz. Memory runs at 2518 MHz, translating to 20.1 Gbps effective. The card features 3584 shading units, 224 texture mapping units, and 128 ROPs, with 56 ray tracing cores. Its compute capability is rated at 36.13 TFLOPS FP32.

The RX 9070 sits at the 79th percentile among all GPUs, with an average benchmark score of 34780. In 3DMark Steel Nomad DX12, it scores 6290, while Geekbench Vulkan shows 165532 and OpenCL shows 133741. PassMark G3D is 25381, with G2D at 1280. The nearest rivals are the NVIDIA A2 (deltaPct -0.2), NVIDIA Quadro GV100 (deltaPct 0.3), AMD Radeon HD 7970 (deltaPct 0.7), and AMD Radeon PRO W6400 (deltaPct 0.8). These comparisons are interesting because the RX 9070's raw compute is roughly on par with older professional and datacenter cards, but its 16 GB VRAM and modern architecture give it a decisive edge in texture-heavy scenarios.

For this 2014 title, the GPU's role becomes dominant as resolution increases. At 4K Ultra, the combo drops to 44 FPS, while 4K High manages 60.9 FPS. The 16 GB frame buffer is more than sufficient for even the most demanding texture packs this game can support, so VRAM capacity is not a bottleneck. Instead, the data suggests that the RX 9070's raw shading throughput and memory bandwidth are the primary drivers of performance at higher settings. The boost clock of 2520 MHz ensures that the GPU can sustain high utilization when the CPU is not the constraint, which is evident in the large FPS jumps when lowering resolution.

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

The measured FPS data reveals a clear pattern of GPU-bound scaling. At 1080p Low, the combo achieves 263.9 FPS, but at 4K Low, it drops to 93.2 FPS — a reduction of 64.7% from the 1080p baseline. This steep decline indicates that the GPU is being pushed to its limits as pixel count quadruples. In contrast, the CPU's role diminishes at higher resolutions, as the 8400F's 6 cores and high boost clock are more than capable of keeping up with the frame production demands at 4K.

Looking at High settings, 1080p yields 167.2 FPS, 1440p yields 108.2 FPS, and 4K yields 60.9 FPS. The drop from 1440p to 4K is 43.7%, which is close to the theoretical pixel count increase of 2.25x — suggesting that the GPU is scaling almost linearly with resolution. At Medium settings, the pattern holds: 1080p at 198.9 FPS, 1440p at 126.7 FPS, and 4K at 70.1 FPS. The Ultra preset shows the most dramatic scaling, with 126.4 FPS at 1080p, 80.8 FPS at 1440p, and 44 FPS at 4K — a 65.2% drop from 1080p to 4K.

This data indicates that the limiting component at 1080p is the GPU, but the CPU is still capable of pushing higher frame rates. At 1080p Low, the 263.9 FPS figure suggests the CPU is not a bottleneck, as this is a level of performance that many CPUs would struggle to maintain. However, the gap between 1080p and 1440p at Low settings (263.9 to 167.4 FPS, a 36.6% drop) is smaller than the pixel count increase, implying that the GPU is still the primary constraint. At 4K, the GPU is unequivocally the bottleneck across all settings, as the CPU's contribution becomes negligible relative to the massive pixel fill requirements.

FAQ

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

A: The data shows 1440p High at 108.2 FPS as the sweet spot for smooth gameplay, while 4K High at 60.9 FPS is acceptable for display-limited users. 1080p High at 167.2 FPS offers the highest quality with headroom for high refresh rate monitors.

Q: How does the CPU compare to its nearest rivals?

A: The Ryzen 5 8400F scores 25064 on average, with a 0% deltaPct against the AMD Ryzen 7 2700X, 0.3% above the AMD Ryzen 5 7500F, and -0.1% below the AMD Ryzen AI 5 PRO 340. It ranks at the 82nd percentile of all CPUs.

Q: Is the GPU's 16 GB VRAM sufficient for this game?

A: Yes, the RX 9070's 16 GB GDDR6 memory is far more than this 2014 title requires. The bottleneck at 4K Ultra (44 FPS) is compute and memory bandwidth, not VRAM capacity.

Q: What is the frame rate difference between Low and Ultra at 1080p?

A: At 1080p, Low settings produce 263.9 FPS, while Ultra drops to 126.4 FPS — a 52.1% reduction. This shows that the Ultra preset applies significant graphical effects that heavily tax the GPU.

Q: How does this combo rank among all tested configurations?

A: The combo ranks 594th out of 1733 tested combinations, placing it in the upper third of all systems. The data confirms it is a capable pairing for this game, with no apparent CPU-GPU mismatch.

Q: Does the CPU bottleneck at any resolution?

A: The data shows no CPU bottleneck. Even at 1080p Low with 263.9 FPS, the CPU's 4.70 GHz boost clock and 12 threads are sufficient, as evidenced by the GPU-bound scaling pattern across resolutions.

How This Combo Ranks

The AMD Ryzen 5 8400F + AMD Radeon RX 9070 combination ranks 594th out of 1733 tested combos for this game, placing it in the 66th percentile of all configurations. This rank reflects the pairing's balanced performance profile — the CPU is not a limiting factor, and the GPU delivers solid frame rates at most settings. The data indicates that the combo is best suited for high refresh rate gaming at 1440p, where it exceeds 100 FPS on High settings. At 4K, the combo remains playable on Medium (70.1 FPS) and High (60.9 FPS) presets, but Ultra settings push it below the 60 FPS threshold.

The rank is influenced by the fact that this GPU, while strong in raw compute, is not the top-tier card for this game's engine. The measured results show that the 8400F's performance is comparable to the Ryzen 7 2700X, meaning that users upgrading from older platforms will see similar CPU-side behavior. However, the RX 9070's 16 GB VRAM and modern architecture ensure that future titles with higher VRAM demands will not be constrained by memory capacity. For this specific game, the combo's rank indicates a well-matched system that avoids the common pitfall of an overpowered CPU paired with a weak GPU, or vice versa.

Settings Recommendations

The measured data provides clear guidance for optimal settings. At 1080p, the Medium preset delivers 198.9 FPS, which is more than sufficient for any display, while High at 167.2 FPS offers better visual quality with only a 15.9% reduction in frame rate. The Ultra preset at 126.4 FPS is still above 120 FPS, making it viable for high refresh rate monitors, but the visual gains over High may not justify the performance cost.

At 1440p, the High preset at 108.2 FPS is the recommended choice, as it balances visual fidelity with frame rates that exceed the 100 FPS threshold for smooth gameplay. Medium at 126.7 FPS is a solid alternative for users prioritizing frame rate over graphics. The Ultra preset at 80.8 FPS is playable but introduces noticeable dips compared to High, while Low at 167.4 FPS is only recommended for competitive play where maximum frame rate is paramount.

At 4K, the Medium preset at 70.1 FPS is the best experience, as it provides a smooth frame rate while retaining enough visual detail. High at 60.9 FPS is acceptable for users with 60 Hz displays, but the 13.1% drop from Medium to High may be noticeable in fast-paced scenes. The Ultra preset at 44 FPS is not recommended, as it falls below the 60 FPS threshold and introduces stutter. Low at 93.2 FPS is surprisingly playable, but the visual quality reduction is significant for a game that can look much better with higher settings.

Measured FPS Breakdown

At 1920x1080, the combo delivers 263.9 FPS on Low, 198.9 FPS on Medium, 167.2 FPS on High, and 126.4 FPS on Ultra. The progression from Low to Ultra represents a 52.1% reduction in frame rate, highlighting the substantial GPU load added by higher quality presets.

At 2560x1440, the measured results are 167.4 FPS on Low, 126.7 FPS on Medium, 108.2 FPS on High, and 80.8 FPS on Ultra. The drop from 1080p to 1440p is 36.6% on Low, 36.3% on Medium, 35.3% on High, and 36.1% on Ultra — a consistent scaling pattern that confirms the GPU is the primary bottleneck at this resolution.

At 3840x2160, the results are 93.2 FPS on Low, 70.1 FPS on Medium, 60.9 FPS on High, and 44 FPS on Ultra. The drop from 1440p to 4K is 44.3% on Low, 44.7% on Medium, 43.7% on High, and 45.5% on Ultra. This near-uniform scaling across all settings indicates that the GPU's compute and memory bandwidth are being fully utilized, with no CPU-induced variance.

The data shows that the combo is capable of exceeding 200 FPS at 1080p on Low settings, which is ideal for esports-style play. At 1440p, it maintains over 100 FPS on High settings, making it suitable for high refresh rate gaming. At 4K, it delivers a playable experience on Medium and High presets, but Ultra becomes a slideshow. The 16 GB VRAM ensures that no texture-related stutter occurs, and the 644.6 GB/s memory bandwidth provides sufficient headroom for the game's assets. The CPU's 12 threads and 4.70 GHz boost clock never appear as a limiting factor, as evidenced by the consistent GPU-bound scaling across all resolution and settings combinations.