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Thermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler vs Thermalright Assassin King 120 SE ARGB CPU Air Cooler

Updated August 2026The Thermalright Frozen Notte 240 offers superior cooling performance and aesthetics, making it the better choice for high-performance needs. The Assassin King 120 SE is a solid budget option for standard tasks.

The Thermalright Frozen Notte 240 offers superior cooling performance and aesthetics, making it the better choice for high-performance needs. The Assassin King 120 SE is a solid budget option for standard tasks.

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

Cooling Performance

Water cooling design provides better thermal management.

Aesthetics

ARGB lighting effects are more impressive.

Compatibility

Supports a wider range of CPU sockets.

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

Price

More affordable option for budget-conscious users.

Noise Level

Quieter operation during use.

Size

Compact design fits smaller cases.

Overall score

Thermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler
85
Thermalright Assassin King 120 SE ARGB CPU Air Cooler
65

Specifications

SpecThermalright Frozen Notte 240 Black ARGB Water Cooling CPU CoolerThermalright Assassin King 120 SE ARGB CPU Air Cooler
Cooling TypeWaterAir
Max RPM53001550
Noise Level27.7 dB(A)25.6 dB(A)
ARGB SupportYesYes
Socket SupportWideLimited

Dimension comparison

Thermalright Frozen Notte 240 Black ARGB Water Cooling CPU CoolerThermalright Assassin King 120 SE ARGB CPU Air Cooler

Introduction to CPU Coolers

When it comes to cooling your CPU, choosing the right cooler can significantly affect your system's performance and longevity. In this comparison, we will evaluate two popular options from Thermalright: the Thermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler and the Thermalright Assassin King 120 SE ARGB CPU Air Cooler. Both products have distinct features and price points, making it essential to understand their capabilities for your specific needs.

Cooling Performance

The Thermalright Frozen Notte 240 offers superior cooling performance due to its water-cooling design. It features a full copper mirror plane base and a 240mm black aluminum fin cold plate, designed for high cooling efficiency. This cooler can handle demanding tasks and maintain optimal temperatures, making it ideal for overclocking enthusiasts. In contrast, the Thermalright Assassin King 120 SE, while still effective, operates as an air cooler with a maximum airflow of 66.17 CFM and a noise level of 25.6 dB(A). Though it provides decent cooling, it may not match the cooling prowess of the Frozen Notte 240 in high-performance scenarios.

Design and Aesthetics

In terms of design, the Thermalright Frozen Notte 240 stands out with its ARGB lighting effects. The synchronised ARGB of the PWM fan and water-cooling head can create a dazzling light display, enhancing the visual appeal of your build. The unit's high-quality copper and aluminum materials contribute to its robustness. On the other hand, the Thermalright Assassin King 120 SE also features attractive ARGB lighting but is limited by its smaller size and vertical orientation. Its compact design may be more suitable for smaller cases, but it lacks the visual impact of the larger, more intricate Frozen Notte 240.

Noise Levels

Noise levels are crucial for users who prefer a quieter computing environment. The Thermalright Assassin King 120 SE operates at a maximum noise level of 25.6 dB(A), making it relatively quiet during operation. This makes it an attractive option for users who want to maintain a serene environment. Conversely, the Thermalright Frozen Notte 240 has a slightly louder maximum noise level of 27.7 dB(A) from its dual PWM fans. While both coolers are designed to minimise noise, the Assassin King has a slight edge in quieter operation, which may appeal to users sensitive to sound.

Installation and Compatibility

Both coolers boast extensive compatibility with a range of Intel and AMD socket types. The Thermalright Frozen Notte 240 supports a wide variety of Intel sockets including LGA 1150 to 2066 and AMD sockets from AM2 to AM5, ensuring it can fit most systems. Installation is straightforward thanks to its dual platform full metal black buckle. The Assassin King 120 SE also supports multiple socket types, including Intel 115X and AMD AM4/AM5, with included metal fasteners for easy installation. While both products excel in compatibility, the Frozen Notte 240 offers a broader range of support, making it more versatile for various system builds.

Price Comparison

Price is a significant factor when choosing between these two coolers. The Thermalright Frozen Notte 240 is priced at C$62.90, reflecting its advanced water-cooling technology and enhanced features. In contrast, the Thermalright Assassin King 120 SE is much more affordable at C$24.59. This price difference may make the Assassin King an appealing option for budget-conscious builders or those who do not require high-end cooling solutions. However, for users willing to invest more for superior cooling performance and aesthetics, the Frozen Notte 240 justifies its higher price point.

Brand Reputation

Thermalright has established itself as a reputable brand in the CPU cooling market over its 20 years of development. Known for its commitment to quality and innovation, Thermalright products are widely respected among PC enthusiasts. Both the Frozen Notte 240 and the Assassin King 120 SE reflect the brand's dedication to performance and reliability. The choice between them may also come down to personal preference regarding brand loyalty and past experiences with Thermalright products.

User Experience and Feedback

User feedback can provide insight into the real-world performance of these coolers. Many users praise the Thermalright Frozen Notte 240 for its exceptional cooling capacity, especially under high-load conditions, making it a favourite among overclockers. The aesthetics, particularly the ARGB features, have also received positive remarks. Conversely, users of the Thermalright Assassin King 120 SE appreciate its ease of installation and quiet operation, making it a solid choice for everyday computing tasks. Understanding user experiences can help potential buyers gauge which cooler might better suit their needs.

Which should you buy?

Ultimately, the choice between the Thermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler and the Thermalright Assassin King 120 SE ARGB CPU Air Cooler depends on your specific requirements. If you seek advanced cooling performance, aesthetic appeal, and are willing to invest more, the Frozen Notte 240 is the superior choice. However, if you are on a budget or need a cooler for standard tasks without the need for extreme performance, the Assassin King 120 SE offers excellent value for its price. Consider your cooling needs, budget, and system compatibility to make an informed decision.

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Thermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler vs Thermalright Assassin King 120 SE ARGB CPU Air Cooler | versusfinder