Thief

The AMD Ryzen 5 8400F paired with the AMD Radeon RX 7800 XT delivers a robust 1080p and 1440p experience in Thief, with the RX 7800 XT's 16 GB of VRAM providing ample headroom for high-resolution textures. The combination ranks in the 69th percentile of all tested combos for this title, indicating solid performance. The data shows a clear trend: performance scales strongly with resolution until 4K, where the GPU becomes the definitive limiting factor, pushing Ultra settings below the 60 FPS threshold.

FAQ

*Q: What is the overall ranking of this CPU and GPU combination in Thief?*

A: This combo ranks 516th out of 1,642 tested combinations, placing it in the top 31% of all tested systems for this game.

Q: How does the Ryzen 5 8400F compare to its nearest CPU rivals in general benchmarks?

A: The Ryzen 5 8400F's average benchmark score is 25,064, which is virtually identical to the AMD Ryzen 7 2700X (25,057) and the AMD Ryzen AI 5 PRO 340 (25,099). It holds a slight 0.3% edge over the AMD Ryzen 5 7500F (24,993).

Q: What is the GPU's benchmark percentile compared to other graphics cards?

A: The AMD Radeon RX 7800 XT sits in the 76th percentile of all GPUs, with an average benchmark score of 32,619. It performs nearly identically to the AMD FirePro S9300 X2, which is only 0.2% faster.

Q: What is the best performance achieved at 1080p with this combo?

A: The highest average frame rate recorded at 1920x1080 is 178.9 FPS, achieved with Low settings. The Medium preset also delivers a high 164.4 FPS average.

*Q: Can this system handle 4K gaming in Thief?*

A: Yes, but with caveats. At 3840x2160, the combo achieves 92.7 FPS on Low settings and 54.5 FPS on High. However, the Ultra preset drops to 50.1 FPS, which is below the 60 FPS standard for smooth gameplay.

Q: At what resolution does the frame rate drop most significantly?

A: The largest performance drop occurs when moving from 2560x1440 to 3840x2160. For example, on High settings, the frame rate falls from 93.6 FPS to 54.5 FPS, a 41.8% reduction.

GPU Role

The AMD Radeon RX 7800 XT is the dominant component in this pairing, and its specifications dictate the performance envelope. With 16 GB of GDDR6 memory on a 256-bit bus, it provides 624.1 GB/s of bandwidth, which is more than sufficient for Thief's 2014-era assets, even at high resolutions. The GPU's boost clock of 2430 MHz and game clock of 2124 MHz drive its 37.32 TFLOPS of FP32 compute power.

The data suggests that the CPU is rarely a bottleneck. The Ryzen 5 8400F, with its 6 cores and 12 threads boosting up to 4.70 GHz, provides ample single-thread performance for this title. This is evident in the 1080p results: at Low settings, the system produces 178.9 FPS, which is a massive jump from the 4K Low score of 92.7 FPS. This indicates the GPU is scaling well with reduced resolution.

However, the GPU's limits become clear at 4K Ultra. The jump from High (54.5 FPS) to Ultra (50.1 FPS) is relatively small, showing that the graphical fidelity gains are costing performance. The RX 7800 XT's 96 ROPs and 240 TMUs are being fully utilized at 4K, and the 16 GB VRAM buffer prevents any memory-related stutters, ensuring the frame time is consistent, even if the average is below 60 FPS.

How This Combo Ranks

In the database of 1,642 tested combinations for Thief, this pairing of the Ryzen 5 8400F and RX 7800 XT secures the 516th position. This places it in the upper 31% of all systems, a respectable standing that reflects the balance between the two components. The CPU's 82nd percentile ranking among all CPUs and the GPU's 76th percentile ranking among all GPUs are closely aligned, indicating a well-matched setup.

When compared to the nearest rivals in the database, the margins are razor-thin. The CPU's average score of 25,064 is within 0.3% of the AMD Ryzen 5 7500F, meaning a system with that CPU would perform almost identically in CPU-bound scenarios. Similarly, the GPU's score is within 0.7% of the NVIDIA T600 Mobile, though that is a mobile part with different thermal characteristics.

The rank of 516 out of 1642 suggests that while this is not a top-tier enthusiast build, it outperforms the majority of systems tested. In practical terms, this means the combo is well above average for 1440p gaming, where it delivers 93.6 FPS on High settings, and is capable of entry-level 4K gaming.

Measured FPS Breakdown

The measured FPS data reveals a consistent performance hierarchy across all resolutions and settings. At 1920x1080, the system is clearly GPU-bound except at the lowest settings. The Low preset yields 178.9 FPS, which drops to 164.4 FPS at Medium. High and Ultra presets are nearly identical, at 129.8 FPS and 127.7 FPS respectively, suggesting that the Ultra preset's additional effects are not heavily taxing the GPU at this resolution.

Moving to 2560x1440, the scaling is more pronounced. The Low preset produces 154.4 FPS, a strong result. Medium drops to 118.3 FPS, and High to 93.6 FPS. The Ultra preset falls to 84.9 FPS, which is still comfortably above the 60 FPS threshold. The performance gap between High and Ultra at 1440p is larger than at 1080p, indicating that the GPU is starting to work harder.

At 3840x2160, the GPU's limits are exposed. Low settings still manage 92.7 FPS, but Medium drops to 71.5 FPS. High settings fall to 54.5 FPS, and Ultra bottoms out at 50.1 FPS. The step from 1440p to 4K is the most punishing, with High settings losing 39.1 FPS. This pattern is typical of a GPU that has enough bandwidth for 1440p but is constrained by pixel throughput at 4K.

Resolution Scaling

The scaling behavior from 1080p to 4K clearly identifies the GPU as the limiting factor at higher resolutions. At Low settings, the frame rate drops from 178.9 FPS at 1080p to 154.4 FPS at 1440p, a 13.7% decrease. Moving to 4K, it plummets to 92.7 FPS, a 40% drop from 1440p. This steep decline is the signature of a GPU that is being saturated by the 4K pixel count.

For High settings, the pattern is similar but more extreme: 129.8 FPS at 1080p, 93.6 FPS at 1440p (a 27.9% drop), and 54.5 FPS at 4K (a 41.8% drop from 1440p). The 4K High result is only 54.5 FPS, which is below the 60 FPS target, confirming that the RX 7800 XT is not a native 4K high-fidelity card for this game when paired with this CPU.

The CPU's role becomes apparent at 1080p. The difference between Low (178.9) and Medium (164.4) is just 14.5 FPS, and between High (129.8) and Ultra (127.7) is only 2.1 FPS. This suggests that at lower resolutions, the Ryzen 5 8400F is keeping up well, and the frame rate is still mostly dictated by the GPU's rendering of the scene. The bottleneck is definitively the GPU, as the CPU's single-thread performance is sufficient to feed the graphics card even at high frame rates.

Settings Recommendations

For a smooth 60+ FPS experience, the optimal settings depend heavily on the target resolution. At 1920x1080, the Ultra preset is the best choice, as it delivers 127.7 FPS, which is only 2.1 FPS slower than High. There is no reason to sacrifice visual quality at this resolution, as the GPU has ample headroom.

At 2560x1440, the High preset is the sweet spot. It provides 93.6 FPS, which is well above the 60 FPS target, while the Ultra preset drops to 84.9 FPS. The 8.7 FPS difference between High and Ultra is a worthwhile trade for the visual enhancements, but High offers a safer margin for demanding scenes. The Medium preset at 118.3 FPS is a good fallback for users prioritizing maximum frame rates.

At 3840x2160, the choice is more constrained. The Medium preset, at 71.5 FPS, is the only 4K setting that consistently stays above 60 FPS. High settings at 54.5 FPS may be acceptable for slower, stealth-oriented sections of Thief, but will likely dip in busier areas. Ultra at 50.1 FPS is not recommended for a consistent experience. For the best balance of visual fidelity and performance at 4K, Medium is the recommended preset, as it offers a 17 FPS advantage over High while retaining most of the game's visual character.