Thief

# Thief CPU/GPU Scaling Analysis: Intel Core i7-12700KF + Intel Arc B580

The Intel Core i7-12700KF paired with the Intel Arc B580 delivers a playable but resolution-sensitive experience in Thief, with the data showing a clear transition from CPU-bound territory at 1080p to GPU-bound performance at 4K. The 12-core Alder Lake processor, which sits in the 89th percentile among all CPUs, provides ample headroom for this 2014 stealth title, while the Arc B580's 12 GB of GDDR6 memory and 456.0 GB/s bandwidth become the decisive factor as pixel counts rise. Across twelve measured configurations, average frame rates range from a fluid 148.9 FPS at 1080p Low to a demanding 30.7 FPS at 4K Ultra, revealing a performance envelope that rewards settings tuning.

Resolution Scaling

The frame rate trajectory from 1080p to 4K tells a story of shifting bottlenecks. At 1080p with Low settings, the system produces 148.9 FPS, but dropping to 1440p Low yields 100.4 FPS — a loss of 48.5 FPS or roughly 33%. Pushing further to 4K Low lands at 60.1 FPS, another 40% reduction. This steep scaling pattern indicates the Arc B580 is the primary constraint even at Low settings; the i7-12700KF's 3.60 GHz base and 5.00 GHz boost clocks are more than sufficient to feed the GPU at these frame rates.

Moving to High settings, the scaling becomes more moderate. The 1080p High result of 83.6 FPS drops to 59.1 FPS at 1440p (a 24.5 FPS decline) and then to 38.2 FPS at 4K (a 20.9 FPS decline). The percentage losses shrink as resolution increases, a classic sign of the GPU becoming saturated. At Ultra settings, the pattern holds: 80.7 FPS at 1080p, 54.7 FPS at 1440p, and 30.7 FPS at 4K. The delta between 1080p and 1440p Ultra is 26.0 FPS, while the delta between 1440p and 4K Ultra is 24.0 FPS — nearly identical, suggesting the rendering pipeline is consistently GPU-limited across this range.

The gap between Low and Ultra widens dramatically at higher resolutions. At 1080p, the spread is 68.2 FPS (148.9 vs. 80.7). At 4K, that spread compresses to 29.4 FPS (60.1 vs. 30.7). This compression indicates that at 4K, even the lowest settings cannot escape the GPU's pixel throughput ceiling. The Arc B580's 213.6 GPixel/s pixel rate and 13.67 TFLOPS FP32 throughput define the upper bound, and Thief's 4K Ultra workload pushes the card to its limits.

FAQ

Q: Is the Intel Core i7-12700KF a bottleneck for the Intel Arc B580 in Thief?

A: Benchmark results indicate the CPU is not the limiting factor at any tested resolution. The i7-12700KF scores 28,979 in Cinebench R23 multicore and 4,091 in single-core, placing it in the 89th percentile of all CPUs. Frame rate drops from 1080p to 4K follow GPU scaling patterns, not CPU limitations.

Q: What frame rate can I expect at 1440p with High settings?

A: The measured data shows an average of 59.1 FPS at 2560x1440 with High settings. This is nearly identical to the 4K Low result of 60.1 FPS, indicating that 1440p High and 4K Low place similar demands on the Arc B580.

Q: How does the Arc B580 compare to its nearest rivals in synthetic benchmarks?

A: The Arc B580's average benchmark score of 23,021 places it 0.7% behind the NVIDIA GeForce RTX 4060 (score 23,181) and 0.1% ahead of the AMD Radeon 760M (score 22,999). It sits in the 66th percentile among all GPUs.

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

A: Yes, but only at lower settings. The data shows 60.1 FPS at 4K Low and 43.4 FPS at 4K Medium. At 4K High, the average drops to 38.2 FPS, and Ultra falls to 30.7 FPS, which may be below the smoothness threshold for some players.

Q: What is the performance difference between 1080p and 1440p at Medium settings?

A: The measured average at 1080p Medium is 115.9 FPS, while 1440p Medium produces 78.9 FPS. That is a 37.0 FPS reduction, or roughly 32% lower performance, demonstrating the resolution's significant impact on the Arc B580.

Q: How does the i7-12700KF's CPU performance compare to its nearest rivals?

A: The i7-12700KF scores 35,355 on average, which is essentially tied with the Intel Core i5-14400 (35,336, deltaPct 0.1%) and the Intel Core i9-12900HX (35,289, deltaPct 0.2%). It trails the Intel Core i7-13800H by 0.2% (35,416).

GPU Role

The Intel Arc B580 is the decisive component in Thief's performance profile. Its 12 GB of GDDR6 memory on a 192-bit bus delivers 456.0 GB/s of bandwidth, which proves sufficient for 4K textures but not for maintaining high frame rates at maximum quality. The card's 2560 shading units, 160 texture mapping units, and 80 raster output units scale predictably across Thief's settings presets. At 1080p, the GPU's 2670 MHz clock (base and boost are identical) produces 148.9 FPS on Low, but Ultra settings at the same resolution drop that to 80.7 FPS — a 46% reduction that reflects the increased shading and texture work.

The VRAM capacity is not a limiting factor in any measured configuration. Even at 4K Ultra, the game runs at 30.7 FPS without indication of memory-related stutters or failures, suggesting Thief's 2014-era textures fit comfortably within 12 GB. The bandwidth figure of 456.0 GB/s, however, becomes relevant at 4K: the transition from Low to Medium at 3840x2160 costs 16.7 FPS (60.1 to 43.4), while the same settings step at 1080p costs 33.0 FPS (148.9 to 115.9). This smaller absolute drop at 4K indicates the GPU is already near its memory throughput ceiling, and additional settings increases have diminishing frame rate penalties.

Synthetic benchmarks corroborate the gaming data. The Arc B580 scores 15,748 in Passmark G3D and 9,2821 in Geekbench OpenCL, with a Vulkan score of 109,672. Its Passmark DirectX 11 score of 128 is notably higher than DirectX 12 (76) and DirectX 10 (76), which aligns with Thief's era and API expectations. The GPU's 19,600 million transistors on a 5 nm TSMC process provide 13.67 TFLOPS of FP32 compute, and the 427.2 GTexel/s texture rate handles Thief's detailed environments without visible hitches in the measured rows.

Settings Recommendations

The measured data supports a clear hierarchy for playable performance. At 1080p, every settings preset exceeds 80 FPS, making Ultra (80.7 FPS) the recommended choice for maximum visual fidelity without sacrificing smoothness. The 35.2 FPS gap between Ultra and Low at 1080p is a reasonable trade-off for the visual upgrade. At 1440p, High settings at 59.1 FPS provide the best balance, as Medium (78.9 FPS) and Low (100.4 FPS) offer higher frame rates but with reduced detail; Ultra at 54.7 FPS is viable but within 5 FPS of High, making High the smarter pick.

For 4K, the recommendation depends on the target frame rate. Players seeking 60 FPS should use Low settings, which hit exactly 60.1 FPS. Those willing to accept approximately 43 FPS can select Medium (43.4 FPS), which likely provides a substantial visual improvement over Low. High (38.2 FPS) and Ultra (30.7 FPS) at 4K fall below the 40 FPS threshold many consider the minimum for smooth gameplay, so they are only advisable for players prioritizing image quality over motion fluidity. The overall pattern suggests this combination is best suited to 1080p Ultra or 1440p High for a consistently responsive experience.

Measured FPS Breakdown

At 1920x1080, the system delivers its strongest results. Low settings produce an average of 148.9 FPS, the highest figure in the entire dataset. Medium settings reach 115.9 FPS, a 33.0 FPS step down. High settings drop to 83.6 FPS, another 32.3 FPS reduction. Ultra settings yield 80.7 FPS, only 2.9 FPS below High, making the jump from High to Ultra nearly free at this resolution.

At 2560x1440, the performance tier shifts downward. Low settings average 100.4 FPS, still comfortably above 60 FPS. Medium settings produce 78.9 FPS, a 21.5 FPS decrease from Low. High settings hit 59.1 FPS, just under the 60 FPS mark. Ultra settings fall to 54.7 FPS, a 4.4 FPS gap from High that mirrors the 1080p pattern of diminishing returns between High and Ultra.

At 3840x2160, the Arc B580's limits become apparent. Low settings average 60.1 FPS, exactly at the playable threshold. Medium settings drop to 43.4 FPS, a 16.7 FPS penalty. High settings reach 38.2 FPS, another 5.2 FPS reduction. Ultra settings bottom out at 30.7 FPS, the lowest measured result, with a 7.5 FPS gap from High. The 4K data shows that each settings tier costs between 5 and 17 FPS, with the largest single step occurring between Low and Medium.

Across all resolutions, the i7-12700KF's 12 cores and 20 threads provide consistent frame delivery, with no anomalous dips in the measured averages. The combination ranks 1300th out of 1642 tested combos for Thief, placing it in the lower-middle tier of the database — a reflection of the GPU's mid-range positioning rather than any CPU deficiency.