Thief

The Intel Core i5-12600KF and AMD Radeon RX 570 pairing delivers a strictly 1080p experience in Thief, with the GPU acting as the definitive bottleneck at higher resolutions. Benchmark data shows the combo ranks 3551st out of 3720 tested configurations in this title, placing it in the bottom 5% of systems—a position driven almost entirely by the graphics card's limitations rather than the processor's capabilities. The 4GB VRAM buffer and GCN 4.0 architecture simply cannot sustain playable frame rates beyond 1920x1080, while the CPU's substantial multi-core headroom goes largely unused in this 2014 stealth title.

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

The Intel Core i5-12600KF provides far more processing power than Thief can exploit, which makes its role in this pairing almost secondary to the GPU. This Alder Lake-S chip features 10 cores and 16 threads, with a base clock of 3.70 GHz and a boost clock of 4.90 GHz. The architecture uses a hybrid design that combines performance and efficiency cores, though the game's engine predates this design by several years. Thief launched on 2014-02-24, and its threading model was built for the quad-core era, meaning the 12600KF's 16 threads are largely redundant in this workload.

Synthetic benchmarks confirm the CPU's strength. The Cinebench R23 multi-core score reaches 23391, while the single-core score hits 3302, indicating excellent per-thread performance for older game engines that rely on one or two primary threads. The PassMark single-thread score of 3925 and geekbench single-core score of 2157 reinforce this picture. In Thief, the CPU's single-thread performance ensures that frame pacing remains consistent, but the measured FPS data shows no scenario where the processor becomes the limiting factor. Even at 1080p Low settings, where CPU load is proportionally highest, the system achieves 75 FPS average—a figure that suggests the processor could push much higher if the GPU allowed.

The 12600KF's 3dmark scores provide context for its capability ceiling. The 3dmark_16_threads score of 7956 and 3dmark_8_threads score of 6128 show strong scaling across multiple threads, but Thief's engine simply does not leverage this. The CPU's percentile ranking of 79 versus all CPUs places it above most processors on the market, yet the combo rank in Thief remains poor. This disparity highlights that the game's performance is not CPU-bound; the i5-12600KF is effectively waiting on the RX 570 at every resolution and settings combination. The processor's 20 MB shared L3 cache and 1.25 MB per-core L2 cache provide ample data locality for the game's assets, but these advantages never manifest in higher frame rates because the GPU saturates first.

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

The AMD Radeon RX 570 is the definitive performance ceiling for this system in Thief, and its specifications explain why the combo ranks so poorly. This Polaris 20 chip, built on GCN 4.0 architecture at 14 nm, features 2048 shading units, 128 texture mapping units, and 32 ROPs. The base clock runs at 1168 MHz with a boost clock of 1244 MHz, delivering 5.095 TFLOPS of FP32 compute. The 4 GB of GDDR5 memory on a 256-bit bus provides 224.0 GB/s of bandwidth, which proves insufficient for Thief's higher resolution textures and effects.

The GPU's 74th percentile ranking versus all GPUs suggests it is a mid-tier card, but its nearest rivals include the AMD Radeon RX 470 with a deltaPct of -0.8, meaning the RX 570 is slightly slower in aggregate benchmarks. The RX 6800M shows a deltaPct of -0.4, indicating the 570 trails that mobile flagship by a small margin in synthetic tests. However, Thief's measured performance reveals a more severe gap than these synthetic scores suggest. At 1080p Ultra, the system averages 41 FPS; at 1440p Ultra, it drops to 28 FPS; and at 4K Ultra, it collapses to 17 FPS. These figures align with a GPU that lacks both raw throughput and memory bandwidth for demanding resolutions.

The 4 GB VRAM capacity is particularly problematic. Thief's High and Ultra settings at 1440p and 4K likely exceed this buffer, causing texture thrashing and reduced frame rates. The measured data shows 1440p High achieving 30 FPS while 1440p Low reaches 51 FPS—a 21 FPS gap that reflects both compute load and memory pressure. The RX 570's 39.81 GPixel/s pixel fill rate and 159.2 GTexel/s texture rate are adequate for 1080p but insufficient for higher pixel counts. The GPU's predecessor is Arctic Islands and its successor is Vega, placing it in the Polaris generation that launched on 2017-04-17 with a launch MSRP of 169 USD. Production status is end-of-life, and the 150 W TDP with a 450 W suggested PSU indicates modest power requirements, but none of these factors change the fundamental limitation: the RX 570 cannot maintain 60 FPS in Thief at any resolution above 1080p Low.

FAQ

Q: Can this system run Thief at 60 frames per second?

A: Only at 1920x1080 with Low settings, where the measured average FPS is 75. At 1080p Medium, the average drops to 57 FPS, which is below the 60 FPS threshold. All other resolution and settings combinations fall further short, with 1080p High at 43 FPS and 1080p Ultra at 41 FPS.

Q: What is the best resolution for this CPU-GPU combination in Thief?

A: The data clearly indicates 1920x1080 is the only viable resolution. At 2560x1440, even Low settings only achieve 51 FPS average, while High and Ultra drop to 30 FPS and 28 FPS respectively. At 3840x2160, the maximum average FPS across any settings is 30 on Low, with Ultra falling to 17 FPS.

Q: How does the RX 570 compare to its closest competitors in synthetic benchmarks?

A: The GPU's average benchmark score is 28766, placing it slightly behind the AMD Radeon RX 470 (28996, deltaPct -0.8) and AMD Radeon RX 6800M (28874, deltaPct -0.4). It outperforms the AMD Radeon R9 M295X (28580, deltaPct 0.7) and the NVIDIA Quadro RTX 8000 (28421, deltaPct 1.2) by small margins.

Q: Does the Intel Core i5-12600KF bottleneck the RX 570 in Thief?

A: No. The CPU's single-core performance (Cinebench R23 single-core score of 3302, PassMark single-thread score of 3925) far exceeds what Thief requires. The measured FPS is consistently low across all settings at higher resolutions, which indicates the GPU is the limiting component. The CPU's 10 cores and 16 threads are underutilized in this game.

Q: Is the 4 GB VRAM sufficient for Thief at 4K resolution?

A: The measured data suggests it is not. At 3840x2160, the average FPS ranges from 17 on High and Ultra to 30 on Low, with Medium achieving 23 FPS. The 4 GB buffer on a 256-bit bus with 224.0 GB/s bandwidth cannot handle the texture and geometry demands of 4K, resulting in sub-30 FPS performance across all settings.

Q: How does this system's rank in Thief compare to its individual component rankings?

A: The combo ranks 3551st out of 3720 tested configurations, which is in the bottom 5% of all systems. The CPU alone ranks in the 79th percentile versus all CPUs, while the GPU ranks in the 74th percentile versus all GPUs. The massive gap between component rankings and the combo rank demonstrates that the pairing is poorly matched for this game, with the GPU dragging down overall performance.

Measured FPS Breakdown — resolution by resolution, settings by settings, exact numbers

At 1920x1080, the system shows its best performance. Low settings produce an average of 75 FPS, which is the only configuration in the entire measured set to exceed 60 FPS. Medium settings average 57 FPS with a minimum of 48 FPS and maximum of 65 FPS, providing a playable but not consistently smooth experience. High settings drop to 43 FPS average, while Ultra settings fall slightly further to 41 FPS. The 34 FPS spread between Low and Ultra at 1080p indicates that the GPU's compute units and memory bandwidth are the primary constraints, as reducing settings yields substantial frame rate improvements.

At 2560x1440, performance degrades significantly across all settings. Low settings average 51 FPS, which remains playable but shows a 24 FPS drop from the 1080p Low result. Medium settings average 39 FPS with a minimum of 33 FPS and maximum of 45 FPS, dipping into stutter territory during demanding scenes. High settings average 30 FPS, and Ultra settings fall to 28 FPS. The gap between 1080p and 1440p performance widens as settings increase: Low loses 24 FPS (75 to 51), Medium loses 18 FPS (57 to 39), High loses 13 FPS (43 to 30), and Ultra loses 13 FPS (41 to 28). This pattern suggests that resolution scaling taxes the GPU more heavily at lower settings, where the compute load shifts from shader work to pixel fill.

At 3840x2160, performance becomes largely unplayable. Low settings average 30 FPS, which is the best result at this resolution. Medium settings average 23 FPS with a minimum of 19 FPS and maximum of 26 FPS, showing severe frame time inconsistency. High settings average 17 FPS, and Ultra settings also average 17 FPS. The fact that High and Ultra produce identical averages at 4K suggests that the GPU has hit a hard memory bandwidth or fill-rate wall, where additional settings changes have no measurable impact. The 4K results are 58 FPS below the 1080p Low result and 24 FPS below the 1440p Low result, confirming that 4K is entirely outside this GPU's capability for this game.

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

The resolution scaling pattern reveals a GPU-bound system with diminishing returns as pixel count increases. Moving from 1920x1080 to 2560x1440, Low settings drop from 75 FPS to 51 FPS, a 32% reduction. Medium settings drop from 57 FPS to 39 FPS, a 32% reduction. High settings drop from 43 FPS to 30 FPS, a 30% reduction. Ultra settings drop from 41 FPS to 28 FPS, a 32% reduction. The consistency of this 30-32% drop across all settings indicates that the GPU's shading units and ROPs are being saturated uniformly, regardless of the graphical workload.

Moving from 2560x1440 to 3840x2160, the drops become more severe. Low settings fall from 51 FPS to 30 FPS, a 41% reduction. Medium settings fall from 39 FPS to 23 FPS, a 41% reduction. High settings fall from 30 FPS to 17 FPS, a 43% reduction. Ultra settings fall from 28 FPS to 17 FPS, a 39% reduction. This steepening decline at 4K points to memory bandwidth exhaustion. The RX 570's 224.0 GB/s bandwidth is insufficient to feed the GPU at 4K pixel counts, and the 4 GB VRAM capacity exacerbates the issue by forcing constant texture reloads.

The scaling behavior confirms that the Intel Core i5-12600KF is not a factor in these results. If the CPU were limiting, the FPS drops between resolutions would be minimal, as the processor's workload remains constant regardless of resolution. Instead, the FPS scales inversely with pixel count in a near-linear fashion, which is the signature of a GPU bottleneck. The 1080p Low result of 75 FPS represents the highest achievable frame rate, and it is likely constrained by the GPU's ability to issue draw calls and process geometry. At 4K, the 17 FPS floor across High and Ultra settings suggests the GPU has reached a hard limit where neither compute nor memory resources can keep up with the pixel workload.

Settings Recommendations — which preset gives the best experience per the measured rows

For 1920x1080, the Medium preset provides the best balance between visual quality and frame rate. The measured average of 57 FPS with a minimum of 48 FPS and maximum of 65 FPS keeps the experience within a playable range, though it does dip below 60 FPS during intense scenes. Low settings achieve 75 FPS but sacrifice visual fidelity for a frame rate that exceeds the display's capability on most 60 Hz monitors. High settings at 43 FPS and Ultra at 41 FPS are both below the 60 FPS threshold and offer marginal visual improvements over Medium that do not justify the 14-16 FPS loss.

At 2560x1440, the only playable option is Low settings, which averages 51 FPS. Medium settings at 39 FPS with a minimum of 33 FPS will produce noticeable stuttering during gameplay, while High at 30 FPS and Ultra at 28 FPS are below the threshold for smooth action. Users who prioritize frame rate over resolution should drop to 1080p Medium for a better experience, as the 57 FPS average at 1080p Medium is smoother than the 51 FPS at 1440p Low. The 1440p Low setting can be considered if the user accepts occasional frame drops and prefers the higher resolution for text readability.

At 3840x2160, no settings preset delivers a playable experience. Low settings average 30 FPS, which is the minimum threshold for some users, but the lack of a minimum FPS measurement means frame pacing could be erratic. Medium settings at 23 FPS with a minimum of 19 FPS will cause significant judder, and both High and Ultra at 17 FPS are effectively unplayable. The data suggests that 4K should be avoided entirely with this GPU in Thief; users should run 1080p Medium for the best experience or 1440p Low if resolution is paramount. The 75 FPS at 1080p Low offers the highest frame rate for competitive play, though Thief is a stealth game where visual detail often matters more than raw speed.