Thief

# Thief Performance Analysis: Intel Core i5-12600KF + NVIDIA GeForce RTX 5070

The benchmark data for Thief reveals a system that delivers exceptional frame rates across all tested configurations, with the combination of Intel's 10-core Alder Lake processor and NVIDIA's Blackwell 2.0 architecture producing results that place this pairing in the 212th position out of 1,642 tested combos. The measured FPS values show a clear hierarchy where resolution scaling and preset selection dramatically alter the experience, from a 191.8 FPS peak at 1080p Low to a 59.3 FPS floor at 4K Ultra. This analysis examines what those numbers reveal about the underlying hardware balance, the GPU's role in shaping performance, and which settings offer the most compelling trade-offs for players of this 2014 stealth title.

Resolution Scaling

The FPS drop from 1080p to 4K is substantial but not uniform across settings, revealing how the RTX 5070's capabilities interact with Thief's rendering demands. At Low settings, the transition from 1920x1080 to 3840x2160 sees frame rates fall from 191.8 to 108.7 FPS, a reduction of 83.1 FPS or roughly 43%. This relatively modest percentage decline suggests that at Low presets, the GPU still has considerable headroom even at 4K, and the bottleneck shifts toward the CPU's ability to feed the render pipeline.

Moving to Medium settings, the scaling pattern changes notably. The 1080p result of 174 FPS drops to 142 FPS at 1440p, then to 82.7 FPS at 4K. The 1440p to 4K transition alone accounts for a 59.3 FPS loss, indicating that pixel count begins to dominate as the primary limiting factor. High settings tell a similar story: 155.7 FPS at 1080p, 109.9 FPS at 1440p, and 63.5 FPS at 4K. The gap between 1080p and 1440p (45.8 FPS) is nearly identical to the gap between 1440p and 4K (46.4 FPS), suggesting a balanced scaling curve where each resolution step imposes comparable rendering costs.

Ultra settings exhibit the steepest absolute drop, with 151.4 FPS at 1080p collapsing to 105.9 FPS at 1440p and finally to 59.3 FPS at 4K. The 46.6 FPS loss from 4K to 1440p represents a 44% reduction, the largest proportional decline across all presets. This pattern indicates that at Ultra, the RTX 5070's 12 GB GDDR7 memory and 672.0 GB/s bandwidth are being pushed toward their limits, with the 192-bit bus width becoming a constraint at higher resolutions. The data implies that Thief becomes progressively more GPU-bound as resolution increases, with the CPU's influence waning at 4K regardless of settings.

GPU Role

The RTX 5070's specifications directly explain several observed performance characteristics. With 6,144 shading units, 192 texture mapping units, and 80 ROPs, the GPU's raw compute capacity is substantial, yet Thief's results suggest the memory subsystem plays an equally critical role. The 12 GB VRAM capacity proves sufficient even at 4K Ultra, as no memory-related stutters appear in the average FPS data, but the 672.0 GB/s bandwidth across a 192-bit bus creates a ceiling that becomes evident in the 4K Ultra result of 59.3 FPS.

Clock behavior further contextualizes the numbers. The GPU's base clock of 2325 MHz and boost clock of 2512 MHz represent a modest 8% boost headroom, which likely translates to consistent performance rather than bursty frame rates. The 28 Gbps effective memory speed contributes to the 672.0 GB/s bandwidth figure, and this throughput appears adequate for 1080p and 1440p workloads where the GPU's 30.87 TFLOPS FP32 compute can be fully utilized. At 4K, however, the pixel rate of 201.0 GPixel/s and texture rate of 482.3 GTexel/s become more relevant, as the increased pixel count demands more memory transactions per frame.

The GPU's benchmark scores reinforce this interpretation. A Passmark G3D score of 29,137 and a 3DMark Steel Nomad DX12 score of 5,077 place the RTX 5070 in the 83rd percentile among all GPUs, yet Thief's 4K performance suggests the game's older rendering techniques may not fully leverage the Blackwell architecture's newer features. The DirectX 12 Ultimate support (12_2) and Vulkan 1.4 compliance indicate modern API compatibility, but a 2014 title likely relies on older draw call paths, potentially limiting the GPU's efficiency at extreme resolutions.

Settings Recommendations

The measured data provides clear guidance for optimizing the Thief experience with this hardware combination. At 1080p, all presets deliver playable frame rates, but the Ultra setting at 151.4 FPS versus High at 155.7 FPS shows only a 4.3 FPS penalty for enabling maximum quality. The Medium preset at 174 FPS offers diminishing returns, and Low at 191.8 FPS sacrifices visual fidelity for a 36.4 FPS gain over Ultra—a trade-off most players would likely reject given the already-high baseline.

At 1440p, the recommendations become more nuanced. High at 109.9 FPS and Ultra at 105.9 FPS differ by just 4 FPS, making Ultra the superior choice for players with 144Hz displays since both exceed the refresh threshold. Medium at 142 FPS provides a 32.1 FPS advantage over Ultra, which could matter for competitive play, while Low at 168.7 FPS remains viable but visually compromised. The 4K results present the most difficult decision: Ultra at 59.3 FPS is marginally below the 60 FPS target, while High at 63.5 FPS crosses that threshold with a modest 4.2 FPS improvement. Medium at 82.7 FPS offers the best balance for 4K gaming, providing a 23.4 FPS advantage over Ultra while maintaining reasonable visual quality.

The data suggests that High is the optimal preset for this combination across all resolutions, as it consistently delivers the best balance between visual fidelity and frame rate. At 1080p and 1440p, High and Ultra are nearly indistinguishable in performance, but at 4K, High's 63.5 FPS edges out Ultra's 59.3 FPS, making it the only preset above 60 FPS at that resolution.

Measured FPS Breakdown

At 1920x1080, the RTX 5070 demonstrates its strength with a full range of results: Low produces 191.8 FPS, Medium 174 FPS, High 155.7 FPS, and Ultra 151.4 FPS. The spread between Low and Ultra is 40.4 FPS, representing a 21% performance range—relatively narrow, indicating that even at maximum settings, the GPU has ample headroom at this resolution. The step from Low to Medium costs 17.8 FPS, Medium to High costs 18.3 FPS, and High to Ultra costs only 4.3 FPS, revealing that the Ultra preset adds minimal rendering overhead over High.

The 2560x1440 results show a wider performance envelope. Low hits 168.7 FPS, Medium 142 FPS, High 109.9 FPS, and Ultra 105.9 FPS. The Low-to-Ultra spread expands to 62.8 FPS (37% range), with the largest single drop occurring between Medium and High at 32.1 FPS. This suggests that High settings introduce significant visual effects—likely shadows and post-processing—that disproportionately impact performance. The High-to-Ultra gap of 4 FPS remains small, reinforcing the notion that Ultra's additional features are computationally cheap relative to the High preset's baseline.

At 3840x2160, the GPU's limitations become apparent. Low achieves 108.7 FPS, Medium 82.7 FPS, High 63.5 FPS, and Ultra 59.3 FPS. The scaling from 1440p to 4K results in percentage losses of 36% (Low), 42% (Medium), 42% (High), and 44% (Ultra), showing that higher presets suffer proportionally more from the 2.25x pixel count increase. The 4K Ultra result of 59.3 FPS is the only sub-60 FPS reading in the entire dataset, making it the single configuration where this hardware fails to maintain smooth gameplay.

How This Combo Ranks

The combination of Intel Core i5-12600KF and NVIDIA GeForce RTX 5070 achieves a rank of 212 out of 1,642 tested combos in Thief, placing it in the top 13% of all configurations. This ranking reflects the strong synergy between the CPU's 10 cores and 16 threads with the GPU's high-end capabilities, though the percentile gap between the CPU (84th percentile) and GPU (83rd percentile) suggests neither component is the definitive bottleneck. The CPU's nearest rivals include the Intel Core i9-10900K (0% delta) and Intel Core i5-12600K (-0.1% delta), indicating that the 12600KF's performance is essentially identical to its non-F variant and a previous-generation flagship.

The GPU's nearest rivals provide context for its Thief performance: the AMD Radeon Pro 5300 shows a 0.2% delta, the NVIDIA Tesla M40 shows -0.5%, and the NVIDIA GeForce RTX 3090 shows 0.6%. These small deltas in average benchmark scores suggest that the RTX 5070's gaming performance is comparable to the RTX 3090, a notable achievement given the generational differences. The rank of 212 indicates that while this combo is strong, there are 211 other configurations that deliver better average FPS in Thief, likely including systems with higher-end GPUs or CPUs with stronger single-thread performance.

The combo's ranking relative to its component percentiles (84th CPU, 83rd GPU) implies that Thief's performance with this pairing is slightly below what the hardware's individual capabilities might suggest. This could be attributed to the game's age and its potential single-thread limitations, which would favor CPUs with higher boost clocks like the 12600KF's 4.90 GHz maximum.

FAQ

Q: What is the highest average FPS achievable with this hardware in Thief?

A: The maximum measured average FPS is 191.8, achieved at 1920x1080 resolution with Low settings. This represents the ceiling for this combination across all tested configurations.

Q: Can this system maintain 60 FPS at 4K Ultra settings?

A: No. The measured 4K Ultra average FPS is 59.3, which falls just below the 60 FPS threshold. Switching to High settings at 4K yields 63.5 FPS, providing a 4.2 FPS margin above 60.

Q: How does the RTX 5070 compare to the RTX 3090 in this context?

A: The RTX 5070's average benchmark score shows a 0.6% delta compared to the NVIDIA GeForce RTX 3090, indicating near-parity in overall GPU performance. In Thief, this translates to similar frame rates at equivalent settings.

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

A: At High settings, the 1080p result is 155.7 FPS while 1440p produces 109.9 FPS, a difference of 45.8 FPS. This represents a 29% performance reduction from the resolution increase.

Q: Does the CPU or GPU become the limiting factor at 4K?

A: The data indicates the GPU is the primary limiter at 4K. The RTX 5070's 12 GB VRAM and 672.0 GB/s bandwidth are sufficient, but the rendering demands at 3840x2160 cause a 44% FPS drop from 1440p at Ultra settings, suggesting pixel throughput is the constraint.

Q: Which resolution offers the best balance for 144Hz displays?

A: At 2560x1440, the High preset delivers 109.9 FPS and Ultra achieves 105.9 FPS, both below 144Hz. The Medium preset at 142 FPS comes closest to the 144Hz target, while 1080p High at 155.7 FPS exceeds it.

CPU Role

The Intel Core i5-12600KF's specifications provide essential context for Thief's performance characteristics. With 10 cores and 16 threads based on the Alder Lake architecture, this processor offers substantial multi-threaded capability, yet Thief's 2014 release date means it likely benefits most from the CPU's single-thread performance. The 4.90 GHz boost clock is critical in this regard, as older games typically rely heavily on a single core for game logic and draw call submission. The 3.70 GHz base clock and 20 MB of shared L3 cache provide a solid foundation, but the boost clock's headroom is what enables consistent frame delivery in CPU-bound scenarios.

The CPU's benchmark results illustrate its strengths. A Cinebench R23 multi-core score of 23,444 and single-core score of 3,309 demonstrate balanced performance, while the 3DMark scores show scaling from 1,016 (single-thread) to 7,956 (16-thread). The Passmark multi-thread score of 27,575 and single-thread score of 3,925 further confirm this processor's capability. The 84th percentile ranking among all CPUs, with nearest rivals including the Core i9-10900K and Core i5-12600K at essentially identical average scores, indicates that the 12600KF is a high-end performer for its generation.

In Thief specifically, the CPU's role becomes evident when examining the frame rate scaling at 1080p. The relatively small performance gap between Low (191.8 FPS) and Ultra (151.4 FPS) at this resolution suggests the CPU can feed the GPU sufficiently even at maximum settings, with only a 40.4 FPS penalty for enabling all visual features. The 10-core, 16-thread configuration and 4.90 GHz boost clock provide enough headroom to prevent the CPU from becoming a bottleneck at 1080p, where the GPU has excess capacity. However, the 16 threads may be underutilized by Thief's engine, which was designed for the era of 4-core, 8-thread mainstream processors. This could explain why the combo's rank of 212 out of 1,642 is strong but not exceptional—the CPU's multi-threaded advantages may not translate directly to this game's performance.