Thief

The Intel Core Ultra 5 235 paired with the Intel Arc B580 presents a compelling mid-range configuration for Thief, a 2014 stealth title that remains demanding at higher resolutions. The measured data reveals a system that scales predictably with settings, but whose performance ceiling is firmly dictated by the GPU. This analysis breaks down the measured FPS across resolutions, examines the role of each component, and provides actionable settings recommendations based solely on the benchmark results.

Resolution Scaling

The performance drop from 1080p to 4K is steep and consistent, highlighting where the bottleneck lies. At 1080p High, the system delivers 87 FPS, which falls to 60 FPS at 1440p, and then to 35 FPS at 4K. This represents a 60% reduction in frame rate from 1080p to 4K, a scaling pattern that is classic for a GPU-bound scenario. The Ultra preset shows a similar trajectory: 83 FPS at 1080p, 57 FPS at 1440p, and 33 FPS at 4K. The data indicates that the Intel Arc B580 is the limiting component, as the CPU has ample headroom to feed frames at lower resolutions, but the GPU's rendering throughput cannot keep pace as pixel count increases.

The scaling between 1440p and 4K is particularly telling. At High settings, dropping from 1440p to 4K reduces the average FPS from 60 to 35, a 42% decrease. This is a larger relative drop than from 1080p to 1440p (87 to 60 FPS, a 31% decrease), suggesting that the GPU is running out of fillrate and memory bandwidth at 4K. The 12 GB VRAM buffer is sufficient for the game, but the 456.0 GB/s bandwidth is stressed at 3840x2160, which is why the frame rate collapses. The 1080p to 1440p transition is more graceful, indicating that the B580 still has functional headroom in the mid-resolution range.

At 1080p, the differences between settings are more pronounced, as the CPU can push higher frame rates. Low settings achieve 150 FPS, Medium 114 FPS, High 87 FPS, and Ultra 83 FPS. The gap between High and Ultra is minimal (4 FPS), while the jump from Low to Medium is 36 FPS. This suggests that Low settings are not CPU-bound, but rather that the visual features disabled at Low have a significant GPU cost. The system is not hitting a CPU wall at 1080p, as evidenced by the linear scaling with GPU load. If the CPU were the limitation, the frame rates across settings would cluster closer together.

GPU Role

The Intel Arc B580, with its 12 GB of GDDR6 memory on a 192-bit bus, is the primary driver of Thief's performance. The memory configuration provides 456.0 GB/s of bandwidth, which is adequate for 1080p and 1440p but becomes a constraint at 4K. The measured frame rates reflect this: 4K Ultra averages only 33 FPS, while 4K Low reaches 61 FPS. The GPU's base and boost clock of 2670 MHz is consistent, and the shader count of 2560 units processes the game's DirectX 12 workload efficiently at lower resolutions.

The GPU's performance relative to its rivals is telling. According to the benchmark data, the B580 scores 23,021 on average, placing it near the NVIDIA GeForce RTX 2080 (22,895, a 0.6% delta) and slightly behind the RTX 3080 (23,172, a -0.7% delta). This places the B580 in a performance tier that is capable of high-refresh 1080p gaming and playable 1440p, but not 4K. The 4K results in Thief confirm this: even at Low settings, the frame rate is 61 FPS, which is not ideal for a smooth experience on a high-refresh 4K display.

The VRAM capacity of 12 GB is not a limiting factor in this title, as Thief from 2014 does not require large texture pools. However, the memory bus width of 192-bit and the effective 19 Gbps speed contribute to the bandwidth bottleneck seen at 4K. The GPU's pixel rate of 213.6 GPixel/s and texture rate of 427.2 GTexel/s are sufficient for 1440p, but the fillrate demands of 4K outpace the card's capabilities. The data shows that the B580 is a 1080p and 1440p card for this game, with 4K being a stretch goal that requires significant settings compromises.

FAQ

*Q: What is the best resolution to play Thief with this CPU and GPU combo?*

A: The data shows that 1440p is the sweet spot. At High settings, the system achieves 60 FPS, which is playable. At 1080p, the system achieves 87 FPS on High, making it ideal for high-refresh monitors. 4K is not recommended, as even Low settings only reach 61 FPS.

Q: How much performance is lost when going from 1080p to 1440p?

A: At High settings, the average FPS drops from 87 at 1920x1080 to 60 at 2560x1440, a 31% decrease. At Ultra settings, the drop is from 83 to 57 FPS, a 31% decrease as well. This is a typical scaling curve for a GPU-bound game.

Q: Is the Intel Arc B580 better than an NVIDIA GeForce RTX 2080 for this game?

A: Based on the average benchmark scores, the B580 scores 23,021, while the RTX 2080 scores 22,895. This gives the B580 a 0.6% advantage in raw compute, but the measured frame rates in Thief will depend on specific driver optimizations and the game's engine.

Q: Does the CPU bottleneck the GPU at any resolution?

A: The data does not indicate a CPU bottleneck. At 1080p Low, the system reaches 150 FPS, and the frame rate scales consistently with GPU load across settings. If the CPU were the limit, the frame rates would plateau regardless of settings. The Intel Core Ultra 5 235's 14 cores and 5.00 GHz boost clock are sufficient to feed the B580.

*Q: What is the difference between High and Ultra settings in Thief?*

A: The measured FPS difference is small. At 1080p, High averages 87 FPS, while Ultra averages 83 FPS, a 4 FPS difference. At 1440p, the difference is 3 FPS (60 vs 57). At 4K, the difference is 2 FPS (35 vs 33). The visual fidelity gain from Ultra may not be worth the slight performance cost.

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

A: Only with significant compromises. At 4K Low, the average FPS is 61, which is playable but not ideal. At 4K Medium, the FPS drops to 46, and at High and Ultra, it falls to 35 and 33 FPS respectively. For a consistent 60 FPS experience, 4K is not viable.

Measured FPS Breakdown

The measured FPS data provides a complete picture of the system's capabilities across all settings and resolutions. At 1920x1080, the system is highly capable. Low settings produce an average of 150 FPS, Medium 114 FPS (with a min of 97 and max of 131), High 87 FPS, and Ultra 83 FPS. The frame time consistency at Medium, with a 34 FPS spread between min and max, suggests some hitches, but the overall average is strong.

At 2560x1440, the performance is still respectable. Low settings average 103 FPS, Medium 78 FPS (min 66, max 90), High 60 FPS, and Ultra 57 FPS. The Medium preset shows a 24 FPS variance, which is tighter than at 1080p, indicating that the GPU is becoming more consistently loaded. The drop from High to Ultra at 1440p is only 3 FPS, making Ultra a viable option for those seeking maximum fidelity.

At 3840x2160, the system struggles. Low settings average 61 FPS, which is the only preset above 60 FPS. Medium averages 46 FPS (min 39, max 53), High 35 FPS, and Ultra 33 FPS. The frame rate drops below 40 FPS at High and Ultra, which is generally considered unplayable for a stealth action game requiring precision. The 4K results clearly show that the B580 is out of its depth at this resolution, with even the Low preset being marginal.

The data reveals a consistent pattern: the system is capable of 1080p gaming with headroom, 1440p gaming with settings adjustments, and 4K gaming only at the lowest settings. For players prioritizing frame rate, the 1440p High setting at 60 FPS is the best balance of visual quality and performance.

Settings Recommendations

Based on the measured data, the optimal preset for this combination is High at 2560x1440. This configuration delivers an average of 60 FPS, which is the standard for smooth gameplay. The High preset at 1440p is 3 FPS faster than Ultra, and the visual difference between High and Ultra is often negligible in Thief. For players with 1080p displays, the Ultra preset at 1920x1080 is recommended, as it achieves 83 FPS, which is well above the 60 FPS threshold and provides the best visual quality without sacrificing playability.

For those who prefer higher frame rates, the Medium preset at 1080p offers 114 FPS, which is ideal for 120 Hz or 144 Hz monitors. The Medium preset at 1440p also performs well at 78 FPS, making it a strong alternative to High if the player wants a smoother experience over slightly better visuals. The Low preset is only recommended for 4K gaming, where it achieves 61 FPS, but this requires a significant visual downgrade.

The Ultra preset is not worth the performance cost at any resolution. The difference between High and Ultra is 4 FPS at 1080p, 3 FPS at 1440p, and 2 FPS at 4K. Since the visual enhancements in Ultra are typically subtle (such as ambient occlusion and shadow detail), the High preset provides the best performance-to-quality ratio. The data also shows that the Medium preset at 1440p (78 FPS) is a better choice than the High preset at 4K (35 FPS), as the former offers a much smoother experience without the need for a resolution downgrade.

CPU Role

The Intel Core Ultra 5 235 is a 14-core, 14-thread processor based on the Arrow Lake architecture. With a base clock of 3.40 GHz and a boost clock of 5.00 GHz, it provides substantial compute headroom for Thief. The CPU's benchmark scores are strong, with a Cinebench R23 multi-core score of 14,769 and a single-core score of 2,085. The PassMark multi-thread score of 37,816 and single-thread score of 4,516 further confirm its capabilities.

In Thief, the CPU is not the limiting factor at any resolution or setting. The evidence is clear: at 1080p Low, the system reaches 150 FPS, and the frame rates scale inversely with GPU load. If the CPU were a bottleneck, the frame rates would be capped at a lower value regardless of the graphics settings. The CPU's 24 MB of L3 cache and dual-channel DDR5 memory support (102.4 GB/s bandwidth) are sufficient for the game's data streaming requirements.

The CPU's performance relative to its nearest rivals is noteworthy. The Ultra 5 235 scores an average of 46,062, which is nearly identical to the AMD Ryzen AI 9 HX 375 (46,030, a 0.1% delta) and the Intel Core i9-13900HX (46,098, a -0.1% delta). This places the Ultra 5 235 in a performance tier that is more than adequate for Thief, which is a GPU-bound title. The processor's 14 cores are not fully utilized by the game, but its high single-thread performance (boosting to 5.00 GHz) ensures that the game's main thread is well-served. The data suggests that pairing this CPU with a more powerful GPU would yield higher frame rates at 1440p and 4K, as the CPU has headroom to spare.

How This Combo Ranks

The combination of the Intel Core Ultra 5 235 and Intel Arc B580 ranks 2,138 out of 2,851 tested combos in Thief. This places it in the bottom 25% of all configurations, which may seem surprising given the component specifications. However, this ranking is heavily influenced by the GPU, which is a mid-range card. The B580's average benchmark score of 23,021 is in the 68th percentile of all GPUs, but this translates to a less favorable position in a game-specific test where 4K performance is a significant factor.

The ranking indicates that this combo is not optimized for high-end gaming, particularly at 4K. The data shows that the system is best suited for 1080p and 1440p gaming, where it delivers solid performance. The rank of 2,138 out of 2,851 means that many other combos, likely featuring higher-end GPUs, achieve better frame rates in Thief. This is expected, as the B580 is positioned as a 1080p/1440p card, and the CPU, while capable, does not boost the combo's ranking in this GPU-bound title.

The combo's performance is consistent with the GPU's rival positioning. The B580 is 0.6% faster than the RTX 2080 and 0.7% slower than the RTX 3080 in average benchmarks. In Thief, this translates to playable 1440p performance but inadequate 4K performance. The CPU's rank of 89th percentile among all CPUs does not compensate for the GPU's limitations in this specific game. For a better ranking, a higher-tier GPU such as the RTX 3080 would be necessary, as the CPU has sufficient headroom to support it. The data clearly shows that the GPU is the primary determinant of this combo's rank.