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

Updated August 2026The Thermalright Peerless Assassin 120 CPU Air Cooler offers superior cooling performance and compatibility, making it the better choice for high-performance needs. The TL-S12RW X3 CPU Fan is a cost-effective option for case ventilation.

The Thermalright Peerless Assassin 120 CPU Air Cooler offers superior cooling performance and compatibility, making it the better choice for high-performance needs. The TL-S12RW X3 CPU Fan is a cost-effective option for case ventilation.

Why Thermalright Peerless Assassin 120 CPU Air Cooler is better

Cooling Performance

Peerless Assassin has a TDP rating of 245W.

Heat Dissipation

Effective heat dissipation area of 9600cm².

Compatibility

Supports a wide range of Intel and AMD sockets.

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).

Installation

Easier to install as a standard fan.

Overall score

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

Specifications

SpecThermalright Peerless Assassin 120 CPU Air CoolerThermalright TL-S12RW X3 CPU Fan
BrandThermalrightThermalright
PriceC$51.39C$19.90
Noise Level25.6 dB(A)23.2 dB(A)
TDP Rating245WN/A
Air PressureN/A1.31mm H2O

Dimension comparison

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

Overview of the Products

In this comparison, we are examining the Thermalright Peerless Assassin 120 CPU Air Cooler and the Thermalright TL-S12RW X3 CPU Fan. The Peerless Assassin 120 is priced at C$51.39, while the TL-S12RW X3 costs significantly less at C$19.90. Both products are designed to enhance cooling performance in computer systems, but they serve different purposes and have distinct features that cater to varying needs.

Design and Build Quality

The Thermalright Peerless Assassin 120 CPU Air Cooler boasts a robust design with a twin-tower configuration that enhances heat dissipation. It features an effective heat dissipation area of 9600cm², making it suitable for high-performance cooling. In contrast, the TL-S12RW X3 CPU Fan has a unique shape and a pure white design, with soft silicone feet that reduce noise. While the cooler prioritizes performance with its aluminum construction and multiple heat pipes, the fan focuses on aesthetics and noise reduction, showcasing how each product targets a different aspect of computer cooling.

Cooling Performance

When it comes to cooling performance, the Thermalright Peerless Assassin 120 excels with a TDP rating of 245W, which indicates its ability to handle high thermal loads efficiently. The cooler is equipped with six heat pipes and two PWM fans, providing superior airflow of up to 66.17 CFM. On the other hand, the TL-S12RW X3 fan offers a respectable airflow of 47.6 CFM at a speed of 1500 RPM. While the fan can effectively assist in cooling, it is primarily designed for case ventilation and supplementary cooling, making the Peerless Assassin the better choice for those seeking maximum CPU cooling performance.

Noise Levels

Noise levels are a crucial factor in choosing cooling solutions. The Thermalright Peerless Assassin 120 operates at a noise level of 25.6 dB(A), which is relatively quiet considering its high performance. In contrast, the Thermalright TL-S12RW X3 operates even quieter, with a noise level of 23.2 dB(A). This makes the TL-S12RW an excellent option for users who prioritize silence in their builds, although the difference is marginal when comparing it to the Peerless Assassin.

Compatibility

In terms of compatibility, the Thermalright Peerless Assassin 120 is versatile, supporting a wide range of sockets for both Intel and AMD platforms, including Intel's LGA 1700 and AMD’s AM5. This broad compatibility ensures that it can fit into many different systems. Meanwhile, the TL-S12RW X3, while also flexible, is primarily a fan and can be used in various configurations, making it suitable as both a case fan and a supplementary fan for CPU coolers. However, its compatibility is limited to the fan's standard dimensions and mounting options.

Additional Features

The Thermalright Peerless Assassin 120 comes with impressive features, such as colorful ARGB lighting effects and a double tower design that enhances its cooling capabilities. The use of AGHP technique in the heat pipes further improves performance by mitigating the inverse gravity effect. Conversely, the TL-S12RW X3 features a sleek design with ARGB accents, soft silicone feet for noise reduction, and a good bearing system that promotes longevity. While both products include aesthetic elements, the Peerless Assassin leans more towards performance-focused features.

Installation Process

The installation process for both products is designed to be user-friendly, but they cater to different requirements. The Thermalright Peerless Assassin 120 includes metal fasteners for both Intel and AMD platforms, ensuring a secure fit, even for novice builders. Its dimensions (125x135x157 mm) allow it to fit comfortably in most cases. The TL-S12RW X3, being a fan, is relatively easy to install and can be positioned in various orientations within a case. While the Peerless Assassin may involve a more intricate installation due to its size and complexity, the TL-S12RW X3 is straightforward and quick to set up.

Which should you buy?

Choosing between the Thermalright Peerless Assassin 120 CPU Air Cooler and the Thermalright TL-S12RW X3 CPU Fan ultimately depends on your specific cooling needs and budget. If you are looking for a high-performance solution capable of handling demanding CPUs, the Peerless Assassin at C$51.39 is the better choice, offering superior cooling capabilities and compatibility with various CPU sockets. However, if you are seeking a cost-effective option primarily for case ventilation or to complement an existing cooler, the TL-S12RW X3 at C$19.90 provides excellent value with its quiet operation and solid airflow. Assess your requirements carefully to make the best choice for your setup.

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