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Thermalright Peerless Assassin 140 Black CPU Cooler vs Thermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler

Updated August 2026The Thermalright Frozen Notte 240 offers superior cooling performance and aesthetic appeal, making it the better choice for high-performance systems. However, the Peerless Assassin is an excellent budget option for quieter operation.

The Thermalright Frozen Notte 240 offers superior cooling performance and aesthetic appeal, making it the better choice for high-performance systems. However, the Peerless Assassin is an excellent budget option for quieter operation.

Why Thermalright Peerless Assassin 140 Black CPU Cooler is better

lower price

C$54.90 vs C$62.90

quieter operation

25.6dB(A) vs 27.7dB(A)

compact design

fits in smaller cases

Why Thermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler is better

better cooling

72.37 CFM vs 66.17 CFM

ARGB lighting

customizable aesthetics

higher RPM

2000 RPM vs 1500 RPM

Overall score

Thermalright Peerless Assassin 140 Black CPU Cooler
75
Thermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler
85

Specifications

SpecThermalright Peerless Assassin 140 Black CPU CoolerThermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler
Cooling TypeAirWater
Max Airflow66.17 CFM72.37 CFM
Noise Level25.6 dB(A)27.7 dB(A)
Fan Speed1500 RPM2000 RPM
Socket CompatibilityLGA1150/1700LGA1150/2066

Dimension comparison

Thermalright Peerless Assassin 140 Black CPU CoolerThermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler

Overview of the Thermalright Peerless Assassin 140 Black CPU Cooler

The Thermalright Peerless Assassin 140 Black CPU Cooler offers excellent cooling performance at a competitive price of C$54.90. This air cooler features a twin-tower design, which enhances heat dissipation through its six pure copper heat pipes and dual 1500 RPM fans.

With a height of 158mm, the Peerless Assassin is designed to fit into large and medium-sized chassis, ensuring compatibility with high-profile memory and graphics cards. Its dual fans generate a maximum airflow of 66.17 CFM while maintaining a noise level of just 25.6dB(A), making it a suitable choice for users who prioritize quiet operation. Overall, it combines affordability with efficient thermal management ideal for mainstream builds.

Overview of the Thermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler

The Thermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler is priced at C$62.90, providing a more premium option with its water cooling capabilities. This cooler features a full copper mirror plane base and a cold plate made from black aluminum, which promotes efficient heat transfer.

Equipped with dual PWM fans that can reach speeds of up to 2000 RPM and a maximum airflow of 72.37 CFM, the Frozen Notte offers superior cooling performance compared to many air coolers. Additionally, it features ARGB lighting that synchronizes with the motherboard, allowing users to customize the aesthetics of their build. This cooler is compatible with a wide range of Intel and AMD sockets, making it versatile for various system configurations.

Cooling Performance Comparison

When it comes to cooling performance, the Thermalright Frozen Notte 240 outperforms the Peerless Assassin. With its water cooling design, the Frozen Notte can handle greater thermal loads, making it more suitable for high-performance CPUs or overclocking scenarios.

The Frozen Notte's dual fans operate at a maximum speed of 2000 RPM, compared to the Peerless Assassin's 1500 RPM, resulting in higher airflow and lower temperatures. The Frozen Notte also boasts a maximum airflow of 72.37 CFM, surpassing the 66.17 CFM provided by the Peerless Assassin. For users seeking the best cooling performance, especially in demanding applications, the Frozen Notte is the clear choice.

Noise Levels and Operational Efficiency

In terms of noise levels, the Thermalright Peerless Assassin maintains a quieter operation, with a maximum noise level of 25.6dB(A). This makes it an excellent option for users who prefer a silent computing experience, such as in home or office environments.

On the other hand, the Frozen Notte has a slightly higher noise level of 27.7dB(A). While this is still relatively quiet, it is important to consider for users who are sensitive to sound. However, the trade-off for the increased noise is enhanced cooling efficiency, particularly under load. Thus, those who prioritize silence may lean towards the Peerless Assassin, while others may accept the slight increase in noise for superior cooling.

Installation and Compatibility

Both coolers are designed with user-friendly installation in mind, but they cater to different preferences. The Thermalright Peerless Assassin is compatible with a wide range of Intel and AMD sockets, including LGA 1150 through 1851 and AM4/AM5, making it versatile for various builds.

The Frozen Notte also supports an extensive list of CPU sockets, including LGA 2011 and 2066 in addition to the same Intel and AMD compatibility as the Peerless Assassin. Its installation process is straightforward, featuring a dual-platform mounting kit. However, users should ensure that their chassis is at least 250mm wide to accommodate the 240mm radiator effectively. For users who frequently upgrade or change systems, the versatility of both coolers is an important consideration.

Aesthetics and Design

Aesthetics can play a significant role in a user's choice of cooler, and here the Frozen Notte has an edge with its ARGB lighting. The integrated ARGB fans and water block can create a visually stunning display, adding character to any build while providing functional cooling.

In contrast, the Peerless Assassin has a more understated design, focusing primarily on performance rather than visual flair. While it does not feature RGB lighting, its sleek black design may appeal to users who prefer a minimalistic look. Ultimately, the choice between these two will depend on whether aesthetics or performance is the priority for the builder.

Price and Value for Money

At a price point of C$54.90, the Thermalright Peerless Assassin offers exceptional value for those looking for effective cooling without breaking the bank. Its robust performance and cooling capabilities make it a strong competitor in the air cooler market.

The Frozen Notte is priced slightly higher at C$62.90, but it justifies this with superior cooling performance and the added benefits of water cooling and ARGB lighting. For users with higher thermal demands or aesthetic preferences, the extra cost may be worth it. Each cooler presents a compelling value, depending on the user's specific needs and budget.

Which should you buy?

Choosing between the Thermalright Peerless Assassin 140 Black CPU Cooler and the Thermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler ultimately comes down to your specific needs. If you are looking for an affordable, quiet air cooler that delivers solid performance, the Peerless Assassin is a fantastic option at C$54.90. However, if superior cooling performance and aesthetic appeal are your priorities, the Frozen Notte at C$62.90 is the better choice, especially for high-performance systems or users who enjoy custom lighting effects.

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Thermalright Peerless Assassin 140 Black CPU Cooler vs Thermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler | versusfinder