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Thermalright Assassin X 120R SE V2 CPU Air 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 builds, while the Assassin X 120R SE V2 is a budget-friendly option for standard tasks.

The Thermalright Frozen Notte 240 offers superior cooling performance and aesthetic appeal, making it the better choice for high-performance builds, while the Assassin X 120R SE V2 is a budget-friendly option for standard tasks.

Why Thermalright Assassin X 120R SE V2 CPU Air Cooler is better

lower price

C$23.59 vs C$62.90

quieter operation

25.6 dB(A) vs 27.7 dB(A)

compact size

height of 148mm fits in more 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 lighting effects

extensive compatibility

supports more CPU sockets

Overall score

Thermalright Assassin X 120R SE V2 CPU Air Cooler
70
Thermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler
85

Specifications

SpecThermalright Assassin X 120R SE V2 CPU Air CoolerThermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler
Cooling TypeAirWater
Max RPM15502000
Airflow66.17 CFM72.37 CFM
Socket SupportIntel LGA 1700, AMD AM5Intel LGA 2011, AMD AM2+
PriceC$23.59C$62.90

Dimension comparison

Thermalright Assassin X 120R SE V2 CPU Air CoolerThermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler

Overview of the Thermalright Assassin X 120R SE V2 CPU Air Cooler

The Thermalright Assassin X 120R SE V2 CPU Air Cooler is a budget-friendly option priced at C$23.59, designed primarily for users who prefer air cooling solutions. It features a compact design with a height of 148mm, making it suitable for medium-sized cases. The cooler employs a PWM fan that operates at a maximum speed of 1550 RPM, achieving an airflow of 66.17 CFM while maintaining a noise level of no more than 25.6 dB(A). This balance of performance and quiet operation makes it appealing for gamers and general PC users alike.

The cooling performance is enhanced by its advanced AGHP (Advanced Gravity Heat Pipe) technology, which effectively counters the inverse gravity effect. This feature ensures reliable thermal dissipation regardless of orientation. Additionally, the cooler supports a wide range of CPU sockets, including Intel's LGA 1700 and AMD's AM5, making it versatile for various 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 a high-performance option retailing at C$62.90. This cooler utilizes a water cooling mechanism, featuring a dual 120mm PWM fan setup that can reach speeds of up to 2000 RPM and delivers an airflow of 72.37 CFM. With a slightly higher noise level of 27.7 dB(A), it may not be the quietest option but compensates with superior cooling capabilities.

One of its standout features is the ARGB (Addressable RGB) lighting, which synchronizes with your motherboard via a 5V 3-pin connection, allowing for customizable lighting effects. The high-performance cold head uses a copper base with a 0.1mm spacing to enhance thermal conductivity. It also supports a broader compatibility range, accommodating various Intel and AMD sockets, which is beneficial for users looking for extensive compatibility.

Cooling Performance Comparison

When comparing the cooling performance, the Thermalright Frozen Notte 240 outshines the Assassin X 120R SE V2. The water cooler’s dual fans produce a maximum airflow of 72.37 CFM, compared to the air cooler's 66.17 CFM. This difference indicates that the Frozen Notte should provide more effective thermal management, especially under heavy workloads or overclocking scenarios.

Furthermore, the Frozen Notte's ability to maintain lower temperatures through its water cooling design makes it a better choice for high-performance CPUs. The advanced design features, such as the copper base and high-speed pump at 5300 RPM, further enhance its cooling capabilities, making it an optimal choice for gamers and content creators who push their systems to the limit.

Noise Level Considerations

In terms of noise levels, the Thermalright Assassin X 120R SE V2 is quieter, operating at a maximum of 25.6 dB(A). This makes it an excellent choice for users who prioritise a silent computing experience, such as those using their PCs for media consumption or office tasks.

On the other hand, the Frozen Notte 240 operates at a maximum noise level of 27.7 dB(A). While this is slightly louder, the difference is marginal, and many users may find the trade-off acceptable for the performance benefits it offers. If absolute silence is not a primary concern, the Frozen Notte's superior cooling performance may justify the additional noise.

Installation and Compatibility

Both coolers are designed for easy installation, but they cater to different needs. The Thermalright Assassin X 120R SE V2 is compatible with a range of CPU sockets, including Intel's LGA 1700 and AMD's AM5, which is crucial for users who wish to upgrade their CPUs in the future. The compact size also ensures it fits comfortably in most mid-tower cases without blocking RAM slots or other components.

Conversely, the Frozen Notte 240 boasts an extensive compatibility range, including older platforms such as LGA 2011 and AM2, appealing to users with legacy systems. However, it does require a larger chassis, with a recommended width of over 250mm, which may not suit every setup. Thus, while both coolers are versatile, the choice may depend on the specific requirements of your build.

Aesthetic Appeal and Lighting Features

Aesthetic considerations are essential for many PC builders, and here, the Frozen Notte 240 takes the lead with its ARGB lighting features. The ability to synchronize lighting effects with your motherboard adds a visually stunning element to your setup, enhancing the overall gaming or workstation environment.

In contrast, the Assassin X 120R SE V2 focuses more on performance and quiet operation rather than visual flair. While it does feature a self-luminous fan, its primary selling points are functionality and efficiency rather than aesthetics. For users who value RGB lighting and customisation, the Frozen Notte is undoubtedly the more appealing option.

Price and Value for Money

Price-wise, the Thermalright Assassin X 120R SE V2 is significantly more affordable at C$23.59 compared to the Thermalright Frozen Notte 240, which is priced at C$62.90. For budget-conscious users or those building entry-level gaming rigs, the Assassin X 120R SE V2 presents a compelling value, delivering solid performance without breaking the bank.

However, when considering the features and cooling capabilities of the Frozen Notte 240, the higher price could be justified for users seeking optimal performance and aesthetics. The additional investment may be worthwhile for those who require superior cooling for high-performance CPUs or enjoy custom lighting effects in their builds.

Which should you buy?

Choosing between the Thermalright Assassin X 120R SE V2 and the Thermalright Frozen Notte 240 largely depends on your specific needs and preferences. If you are on a budget and need a reliable, quiet air cooler for standard computing tasks, the Assassin X 120R SE V2 is an excellent choice. However, if you’re looking for superior cooling performance, extensive compatibility, and aesthetic appeal through ARGB lighting, the Frozen Notte 240 is worth the extra cost. Ultimately, both coolers offer solid performance, but your decision should align with your cooling needs, case compatibility, and aesthetic preferences.

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Thermalright Assassin X 120R SE V2 CPU Air Cooler vs Thermalright Frozen Notte 240 Black ARGB Water Cooling CPU Cooler | versusfinder