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Thermalright Peerless Assassin 120 SE CPU Cooler vs ID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler

Updated August 2026The Thermalright Peerless Assassin 120 SE offers excellent value with quieter operation, while the ID-COOLING FROZN A720 provides superior airflow but at a higher noise level.

The Thermalright Peerless Assassin 120 SE offers excellent value with quieter operation, while the ID-COOLING FROZN A720 provides superior airflow but at a higher noise level.

Why Thermalright Peerless Assassin 120 SE CPU Cooler is better

Price

Peerless Assassin is significantly cheaper at C$48.90.

Noise Level

Peerless Assassin operates at a quieter maximum noise level of 25.6 dB(A).

Brand Reputation

Thermalright has over 20 years of experience in the cooling industry.

Why ID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler is better

Airflow

FROZN A720 offers a maximum airflow of 98.6 CFM.

Heat Pipes

FROZN A720 has seven heat pipes for better heat absorption.

Aesthetic Design

FROZN A720 features an all-black design appealing to dark-themed builds.

Overall score

Thermalright Peerless Assassin 120 SE CPU Cooler
85
ID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler
75

Specifications

SpecThermalright Peerless Assassin 120 SE CPU CoolerID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler
Max Airflow66.17 CFM98.6 CFM
Max Noise25.6 dB(A)33.5 dB(A)
Heat Pipes67
Socket SupportLGA1150/1700, AM4/AM5LGA2011/1700, AM4/AM5
Fan Type120mm ARGB140mm FDB

Dimension comparison

Thermalright Peerless Assassin 120 SE CPU CoolerID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler

Overview of the Products

In the realm of CPU coolers, the Thermalright Peerless Assassin 120 SE and the ID-COOLING FROZN A720 Black are two noteworthy contenders. Priced at C$48.90, the Peerless Assassin offers a budget-friendly option, while the FROZN A720, with a higher price tag of C$110.92, boasts additional features and a distinct design. Both coolers cater to various CPU socket types, making them versatile choices for users seeking efficient thermal management.

Design and Aesthetic Appeal

The Thermalright Peerless Assassin 120 SE features a dual tower heatsink configuration, measuring 125mm in length and 135mm in width, and stands at 155mm tall. This cooler is complemented by two high-performance 120mm ARGB fans that not only enhance cooling performance but also provide colourful lighting effects. Conversely, the ID-COOLING FROZN A720 Black adopts an all-black design, appealing to users who prefer a sleek aesthetic. Its dual-tower setup is slightly taller at 6.4 inches, which may be less compatible with compact builds. The FROZN A720's design is tailored to blend seamlessly into dark-themed computer cases.

Cooling Performance

When it comes to cooling performance, the Peerless Assassin 120 SE utilises two 120mm fans that can achieve a rated airflow of 66.17 CFM while maintaining a noise level of ≤25.6 dB(A). This configuration is effective for users who need quiet operation without sacrificing performance. In comparison, the FROZN A720 utilises two 140mm fans, offering a maximum airflow of 98.6 CFM, but operates at a higher noise level of 33.5 dB(A). This means that while the FROZN A720 may provide superior airflow, it also generates more noise, which could be a consideration for users prioritising a quiet environment.

Compatibility and Installation

The Thermalright Peerless Assassin 120 SE is compatible with a wide range of Intel and AMD sockets, including LGA1150 through LGA1700 and AM4/AM5, though it requires the use of the motherboard's built-in backplate for AMD installations. This flexibility makes it a great choice for various setups. The ID-COOLING FROZN A720 also supports a similar range of Intel and AMD sockets and is designed for hassle-free installation. Its ability to accommodate RAM modules with a clearance of 58mm in single fan mode is a practical feature for users with tall RAM heatsinks.

Heat Dissipation Technology

The thermal management capabilities of both coolers are impressive. The Peerless Assassin 120 SE employs six 6mm heat pipes with AGHP technology, ensuring efficient heat transfer from the CPU to the heatsink. This setup helps mitigate the effects of gravity regardless of the orientation of the cooler. On the other hand, the FROZN A720 features seven 6mm copper heat pipes, which enhances its ability to absorb and dissipate heat effectively. This slight advantage in the number of heat pipes may contribute to better cooling performance under heavy loads.

Noise Levels and Operation

In terms of operational noise, the Thermalright Peerless Assassin 120 SE is designed for quieter performance, with a maximum noise level of 25.6 dB(A). This characteristic makes it suitable for users who favour a silent computing environment. In contrast, the ID-COOLING FROZN A720 operates at a higher noise level of 33.5 dB(A) under maximum airflow conditions. While the FROZN A720’s fans are designed to provide stable performance, the additional noise could be a drawback for users who prioritise a quieter system.

Brand Reputation and Support

Thermalright has garnered a solid reputation over its 20 years in the cooling industry, known for producing high-performance heatsinks and accessories. Users often praise Thermalright for its reliability and effective customer support. On the other hand, ID-COOLING is also a respected brand in the cooling market, focusing on innovative designs and performance-oriented cooling solutions. Both brands provide essential support for their products, but Thermalright's longer history may appeal to users seeking established reliability.

Which should you buy?

Choosing between the Thermalright Peerless Assassin 120 SE and the ID-COOLING FROZN A720 Black ultimately depends on your specific needs. If you're looking for an effective, cost-efficient cooler that excels in quiet operation and compatibility, the Peerless Assassin at C$48.90 is a strong contender. However, if you require superior airflow and aesthetic appeal with a robust design, the FROZN A720, priced at C$110.92, offers those features. Consider your budget, desired noise levels, and cooling requirements to make the best choice for your setup.

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Thermalright Peerless Assassin 120 SE CPU Cooler vs ID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler | versusfinder