Thief

The AMD Ryzen 5 3600 paired with the Intel Arc B570 produces a distinct performance curve in Thief, where the GPU becomes the primary constraint as resolution climbs, yet the CPU still dictates the ceiling at lower settings. This analysis breaks down the measured frame rates across resolutions and presets, examining the specific roles of the processor and graphics card in this 2014 stealth title.

Resolution Scaling

The data reveals a predictable but steep performance decline as resolution increases, a pattern that points directly at the graphics card as the limiting factor. At 1920x1080 with High settings, the combo produces 77 FPS. Moving to 2560x1440 drops that to 53 FPS, a 31% reduction. The jump to 3840x2160 yields just 31 FPS, representing a 60% loss from the 1080p figure. This scaling behavior is typical of a GPU-bound scenario, where the fixed amount of pixel work grows exponentially with each resolution step.

The Low preset offers a clearer view of the bottleneck distribution. At 1920x1080, the system outputs 126 FPS, which falls to 91 FPS at 1440p and then to 54 FPS at 4K. The 1440p to 4K transition here incurs a 41% drop, slightly less severe than the High preset's 42% drop between the same resolutions, suggesting the GPU is still stretched but the workload composition changes with fewer effects enabled.

Looking at Medium settings, which include min/max frame data, the pattern continues. At 1080p, the average sits at 101 FPS with a minimum of 86 FPS. At 1440p, the average drops to 69 FPS with a minimum of 59 FPS. The 4K Medium result lands at 41 FPS. The consistent step-down between each resolution tier—roughly 30 FPS for each step from 1080p to 1440p and 28 FPS from 1440p to 4K—indicates a uniform scaling penalty that aligns with pixel count increases rather than CPU thread saturation.

The Ultra preset shows the most dramatic scaling loss. It starts at 73 FPS at 1080p, falls to 50 FPS at 1440p, and bottoms out at 29 FPS at 4K. The 4K figure is barely playable, and the 1440p result sits just at the edge of smoothness. This preset taxes the GPU so heavily that the CPU's role becomes secondary; the frame rate is almost entirely a function of the graphics card's fill rate and shader throughput.

A critical observation from the data is that the CPU does not fully bottleneck at any resolution. If it did, the 1080p and 1440p results for a given preset would converge or the scaling would flatten. Instead, every resolution change produces a substantial FPS shift, confirming that the Intel Arc B570's rendering capabilities cap performance across the board. The Ryzen 5 3600, with its six cores and twelve threads, provides enough headroom to keep feeding the GPU, even at 1080p Low where 126 FPS is achieved.

CPU Role

The AMD Ryzen 5 3600 is a 6-core, 12-thread processor from the Zen 2 architecture, running at a base clock of 3.60 GHz and a boost of 4.20 GHz. In Thief, this configuration proves sufficient to avoid being the primary limiter, as the FPS scaling analysis demonstrates. The CPU's benchmark data supports this: its Cinebench R23 multi-core score of 15045 and single-core score of 2124 indicate a balanced throughput capability for a game of this era.

Thief, released in 2014, is not a modern multi-threaded showcase. It typically relies on a few well-optimized threads for game logic and draw call submission. The Ryzen 5 3600's 12 threads provide ample parallel capacity, but the single-thread performance is what matters most for frame pacing in legacy titles. The single-thread score of 696 in 3dmark places it in a competitive position; it is not a top-tier performer, but it exceeds the threshold needed to drive the Arc B570 at 1080p.

The data shows that at 1080p Low, the combo reaches 126 FPS. This is a high frame rate, but not an extreme one. If the CPU were severely limiting, we would expect a plateau where higher GPU clocks or lower resolutions did not yield more FPS. The fact that the 1080p Low result is 35 FPS higher than the 1440p Low result (91 FPS) indicates the CPU is still delivering frames faster than the GPU can render them at the lower resolution, but the gap is narrowing.

Comparing the CPU to its nearest rivals, the Ryzen 5 3600 scores an average benchmark of 17035, which is 0.2% higher than the Intel Core i7-1260P (17007) and 0.2% lower than the Intel Core i5-11400 (17067). This tight grouping suggests that swapping to any of these processors would produce nearly identical results in Thief. The CPU's percentile ranking of 71 against all CPUs further reinforces that it is a mid-to-upper-tier part, adequate for this game's demands.

The CPU's memory bandwidth of 51.2 GB/s over dual-channel DDR4 is a potential consideration for a stealth game with large open levels. However, the measured FPS data shows no signs of memory bandwidth starvation; the frame rate scaling is smooth and predictable. The L3 cache of 32 MB shared also helps with data locality, reducing the need for frequent main memory access.

In practical terms, the Ryzen 5 3600's role in this combo is to stay out of the way. It provides a stable foundation that allows the Intel Arc B570 to express its full range of performance. The only scenario where the CPU might become relevant is if the user were to drop to 720p or use a much weaker graphics card, but within the measured resolution range of 1080p to 4K, the processor is a non-factor.

FAQ

Q: Why does the FPS drop so much from 1080p to 4K?

A: The measurements show a consistent drop of roughly 30-40 FPS for each resolution step across all presets. This is because the graphics card's pixel processing workload scales directly with resolution. At 4K, the GPU must fill four times as many pixels as at 1080p, and the Arc B570's 80 ROPs and 200.0 GPixel/s pixel rate become the limiting factor.

Q: Is the Ryzen 5 3600 a bottleneck for the Intel Arc B570 in this game?

A: No. The data shows that FPS scales consistently with resolution changes, which would not happen if the CPU were the limiting factor. At 1080p Low, the combo produces 126 FPS, and that number drops to 54 FPS at 4K Low. If the CPU were the bottleneck, the 1080p and 1440p results would be much closer together.

Q: Which preset offers the best balance of visual quality and performance at 1440p?

A: At 2560x1440, the Medium preset delivers 69 FPS with a minimum of 59 FPS, which is a smooth experience for a stealth game. The High preset produces 53 FPS, which is playable, and Ultra drops to 50 FPS. The Medium preset's 69 FPS gives the most headroom above the 60 FPS threshold.

Q: Can this combo achieve 60 FPS at 4K?

A: No. The best 4K result is the Low preset at 54 FPS. The Medium preset averages 41 FPS, High averages 31 FPS, and Ultra averages 29 FPS. None of the measured 4K settings reach the 60 FPS mark, indicating that the Arc B570 lacks the raw fill rate for 4K in this title.

Q: How does the Arc B570 compare to its nearest rival in terms of compute performance?

A: The Arc B570's average benchmark score is 20556, which is 0.1% higher than the NVIDIA GeForce RTX 3070 Mobile (20534) and 0.1% lower than the Intel Arc A750 (20582). This suggests the B570 performs nearly identically to these cards in synthetic tests, though Thief's specific driver optimizations could shift real-world results.

Q: What is the highest average FPS recorded in the measured data?

A: The highest average FPS is 126, achieved at 1920x1080 with the Low preset. This is the only setting that exceeds 120 FPS. The Medium preset at 1080p reaches 101 FPS, which is the second-highest result.

Measured FPS Breakdown

At 1920x1080, the full range of presets delivers playable frame rates. The Low preset tops the charts at 126 FPS average. The Medium preset follows at 101 FPS, with a minimum of 86 FPS and a maximum of 116 FPS, providing a very smooth experience. The High preset drops to 77 FPS, which is still comfortable for a stealth game that does not require twitch reflexes. The Ultra preset produces 73 FPS, only 4 FPS lower than High, suggesting that the visual gains from Ultra over High are minimal in terms of performance cost at this resolution.

Moving to 2560x1440, the frame rates become more conservative. Low yields 91 FPS, which is still very fluid. Medium averages 69 FPS, with a minimum of 59 FPS, placing it just below the 60 FPS line but generally playable. High drops to 53 FPS, a noticeable step down from Medium. Ultra sits at 50 FPS. The gap between High and Ultra narrows to just 3 FPS, mirroring the 1080p behavior.

At 3840x2160, the performance takes a significant hit. Low is the only preset that remains above 50 FPS, averaging 54 FPS. Medium is playable at 41 FPS, but it is not smooth. High falls to 31 FPS, and Ultra bottoms out at 29 FPS. The 4K results are uniformly below the 60 FPS target, making them unsuitable for competitive play but potentially acceptable for a slower-paced stealth title if the user is willing to accept lower visual fidelity.

The Medium preset is the only one with min/max FPS data across all three resolutions. At 1080p, the range is 86-116 FPS, a 30 FPS spread. At 1440p, the range is 59-79 FPS, a 20 FPS spread. At 4K, the range is 35-47 FPS, a 12 FPS spread. This tightening of the frame time variance at higher resolutions suggests that the GPU becomes more consistently loaded, reducing the spikes in rendering time that cause stutter.

GPU Role

The Intel Arc B570 is the dominant factor in this combo's performance. Its 10 GB of GDDR6 memory on a 160-bit bus provides a bandwidth of 380.0 GB/s, which is sufficient for the textures and geometry in Thief, even at 4K. However, the card's raw compute power, measured at 11.52 TFLOPS FP32, is the limiting resource. The GPU's 80 ROPs and 200.0 GPixel/s pixel rate directly determine how fast it can fill the screen, and this becomes the bottleneck at higher resolutions.

The GPU's boost clock is fixed at 2500 MHz, which is a moderate clock speed for a modern card. The 2304 shading units are arranged in a configuration that delivers strong throughput at 1080p but struggles to maintain high frame rates at 4K. The measured data shows a clear correlation: as the resolution increases, the FPS drops proportionally, which is the signature of a GPU that is fully utilized.

The Arc B570's benchmark scores put it in the 65th percentile of all GPUs. Its nearest rival, the Intel Arc A750, scores 20582, which is 0.1% higher. The NVIDIA GeForce RTX 3070 Mobile scores 20534, 0.1% lower. This indicates that the B570 is a mid-range card, and Thief's performance aligns with that positioning. The card's DirectX 12 benchmark score of 72 in Passmark suggests it handles modern APIs well, but Thief's engine likely uses older DirectX 11 paths, which the card's DirectX 11 score of 118 shows it can process effectively.

The GPU's memory bandwidth of 380.0 GB/s is a key asset. Thief features detailed textures and large levels, and the 10 GB frame buffer at 4K is enough to hold the necessary assets without needing to stream from system memory. This prevents stutter and maintains consistent frame times, as seen in the Medium preset's min FPS data at 4K (35 FPS) which is not drastically lower than the average (41 FPS).

The power draw of 150 W is moderate, and the card requires a 450 W power supply. This is a reasonable requirement for a system with a 65 W TDP CPU, making the combo easy to cool and power. The dual-slot design and 272 mm length mean it fits in most mid-tower cases, but the PCIe 4.0 x8 interface could theoretically limit performance on older platforms, though the measured data in Thief does not indicate any limitations from this bus width.

Settings Recommendations

For users targeting 60 FPS as a baseline, the 1920x1080 resolution offers the most flexibility. The Low preset at 126 FPS and Medium preset at 101 FPS both exceed the target with significant headroom. The High preset at 77 FPS is also above 60, and even Ultra at 73 FPS remains smooth. At 1080p, the High preset is the recommended choice, as it provides a substantial visual upgrade over Medium while maintaining a 77 FPS average that is well above the playability threshold.

At 2560x1440, the 60 FPS target becomes harder to hit. The Low preset at 91 FPS is the only option that comfortably exceeds it. The Medium preset at 69 FPS is also above 60, but its minimum of 59 FPS means occasional dips below the target. For a stealth game where moments of intense action may occur, the Medium preset is the safe choice, offering 69 FPS average with a minimum that is close to 60. The High and Ultra presets at 53 and 50 FPS respectively are playable but require a tolerance for sub-60 frame rates.

At 3840x2160, no preset achieves 60 FPS. The Low preset at 54 FPS is the closest, and it is the only 4K option that stays above 50 FPS. The Medium preset at 41 FPS is playable but noticeably less smooth. For users who must play at 4K, the Low preset is the only viable option, but the experience will be compromised. The High and Ultra presets at 31 and 29 FPS are not recommended for any serious gameplay.

The data suggests that the ideal experience is at 2560x1440 with the Medium preset. This combination yields 69 FPS average, 59 FPS minimum, and 79 FPS maximum, providing a fluid and visually detailed presentation. The 1440p Medium setting balances the GPU's workload with the CPU's capability, avoiding the pixel overload of 4K and the wasted potential of 1080p. Users with 1080p monitors should select High for the best visual fidelity without sacrificing smoothness.

How This Combo Ranks

The AMD Ryzen 5 3600 + Intel Arc B570 combination ranks 2349 out of 2851 tested combos for Thief, placing it in the bottom 18% of all systems. This is a surprisingly low position given the individual component performance. The CPU's 71st percentile ranking and the GPU's 65th percentile ranking suggest that each part is above average, but their combination in this specific game does not yield a strong result.

This low ranking is likely due to the GPU's weakness at higher resolutions. Since Thief's performance is heavily GPU-bound, and the Arc B570 struggles at 4K, the combo's average FPS across all tested settings is dragged down. The 4K results of 29-54 FPS are poor relative to other combos that might feature stronger GPUs, even if their CPUs are weaker. The combo's performance at 1080p is respectable, but the database ranking likely weighs all resolution settings equally, penalizing the poor 4K showing.

The CPU's nearest rivals in synthetic benchmarks—the Intel Core i7-1260P and Intel Core i5-11400—would likely produce similar rankings when paired with the same GPU, as the CPU is not the limiting factor. The GPU's nearest rival, the Intel Arc A750, might perform slightly better in Thief due to its 0.1% higher benchmark score, but the difference is marginal.

The ranking of 2349 out of 2851 indicates that this combo is better suited for 1080p gaming than for 4K. Users with this system should focus on the 1080p or 1440p resolution range to get the most out of the hardware. The data supports the conclusion that the Intel Arc B570 is a capable 1080p card, but it is not designed for high-resolution gaming in demanding titles. The combo's low rank in Thief reflects this limitation, making it a poor choice for players who prioritize high-resolution output.