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Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler vs Thermalright TL-S12RW X3 CPU Fan

Updated August 2026The Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler outperforms the TL-S12RW X3 CPU Fan in cooling efficiency and compatibility, making it the better choice for high-performance needs.

The Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler outperforms the TL-S12RW X3 CPU Fan in cooling efficiency and compatibility, making it the better choice for high-performance needs.

Why Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler is better

Cooling Performance

Peerless Assassin supports TDP up to 245W.

Compatibility

Supports multiple Intel and AMD sockets.

Airflow

Delivers 66.17 CFM compared to 47.6 CFM.

Why Thermalright TL-S12RW X3 CPU Fan is better

Price

TL-S12RW X3 is significantly cheaper at C$19.90.

Noise Level

Operates quieter at 23.2 dB(A).

Design

Sleek pure white aesthetic with ARGB lines.

Overall score

Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler
85
Thermalright TL-S12RW X3 CPU Fan
65

Specifications

SpecThermalright Peerless Assassin 120 SE ARGB CPU Air CoolerThermalright TL-S12RW X3 CPU Fan
TDP Support120-245WN/A
Noise Level25.6 dB(A)23.2 dB(A)
Fan Speed1500 RPM1500 RPM
Airflow66.17 CFM47.6 CFM
CompatibilityIntel/AMDN/A

Dimension comparison

Thermalright Peerless Assassin 120 SE ARGB CPU Air CoolerThermalright TL-S12RW X3 CPU Fan

Overview of the Products

In this comparison, we examine the Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler and the Thermalright TL-S12RW X3 CPU Fan. The Peerless Assassin is priced at C$46.90, while the TL-S12RW X3 is more budget-friendly at C$19.90. Both products are designed for effective CPU cooling but cater to different needs and applications in the realm of cooling solutions.

Design and Aesthetics

The Thermalright Peerless Assassin 120 SE ARGB features a double tower design with vibrant ARGB lighting effects, enhancing its visual appeal. It measures 125mm in length, 135mm in width, and 155mm in height. In contrast, the TL-S12RW X3 has a pure white aesthetic with slim round ARGB lines, making it visually striking as well. Its dimensions are standard for a case fan at 120mm x 120mm x 25mm. While both products boast impressive designs, the Peerless Assassin prioritises performance with its larger size and dual towers, while the TL-S12RW X3 focuses on simplicity and elegance.

Cooling Performance

The cooling performance of the Thermalright Peerless Assassin is superior, designed for CPUs with a Thermal Design Power (TDP) range from 120W to 245W. It incorporates six pure copper sintered heat pipes and two PWM fans, capable of delivering an airflow of 66.17 CFM at a noise level of 25.6 dB(A). On the other hand, the TL-S12RW X3 provides an airflow of 47.6 CFM and operates at a slightly quieter 23.2 dB(A). While the TL-S12RW X3 can enhance cooling when paired with a CPU cooler, the Peerless Assassin is engineered for standalone high-performance cooling.

Installation and Compatibility

The Thermalright Peerless Assassin comes with mounting options compatible with Intel and AMD platforms, including socket types like 115X, 1200, 1700, and AM4. This broad compatibility allows for easy installation across various systems. Conversely, the TL-S12RW X3 is versatile as well, functioning effectively as both a case fan and an additional fan for CPU coolers. It also features a 4-pin PWM connector for seamless integration into most configurations. Both products provide straightforward installation, but the Peerless Assassin’s dedicated CPU cooler design may require more attention during setup.

Noise Levels

Noise levels are an important consideration for many users when selecting cooling solutions. The Peerless Assassin operates at a noise level of up to 25.6 dB(A), which is relatively quiet for its performance capacity. In comparison, the TL-S12RW X3 operates even quieter, with a maximum noise level of 23.2 dB(A). This slight difference in noise levels may be significant for users aiming for a silent operation, especially in environments where noise is a concern.

Durability and Lifespan

Durability is a key factor in the longevity of cooling products. The Peerless Assassin is constructed with high-quality materials, including a full electroplating reflow welding process, ensuring robust performance over time. The design includes six heat pipes that enhance its heat dissipation capabilities. The TL-S12RW X3, featuring S-FDB V2 bearings, is designed to reduce vibration and shaking, contributing to a longer operational lifespan. While both products are built to last, the Peerless Assassin may offer more longevity due to its superior construction aimed at high-performance scenarios.

Price and Value

When it comes to price, the Thermalright Peerless Assassin is priced at C$46.90, offering high-end cooling performance suitable for gamers and overclockers. The TL-S12RW X3 is significantly more affordable at C$19.90, making it an excellent choice for budget-conscious consumers seeking reliable cooling. The value proposition of each product varies: the Peerless Assassin is ideal for those needing advanced CPU cooling, while the TL-S12RW X3 serves well as a supplementary fan or for less demanding applications.

Which should you buy?

Choosing between the Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler and the Thermalright TL-S12RW X3 CPU Fan ultimately depends on your specific cooling needs and budget. If you require a powerful, standalone CPU cooler and can invest C$46.90, the Peerless Assassin is the superior choice with its advanced cooling capabilities and broader compatibility. However, if you are looking for an affordable fan solution that can enhance overall cooling in your system for just C$19.90, the TL-S12RW X3 is an excellent option. Assess your cooling requirements and budget to make the most informed decision.

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Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler vs Thermalright TL-S12RW X3 CPU Fan | versusfinder