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

Updated August 2026The Thermalright Frozen Notte 240 offers superior cooling performance and aesthetic appeal, making it the better choice for high-performance systems. The Thermalright Assassin X 120 SE is a budget-friendly option for mid-range builds.

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

Why Thermalright Frozen Notte 240 Black ARGB V2 Water Cooling CPU Cooler is better

Cooling Performance

Higher airflow of 72.37 CFM vs 66.17 CFM

Aesthetic Appeal

ARGB lighting features for enhanced visuals

Longevity

Lifespan of 40,000 hours vs 20,000 hours

Why Thermalright Assassin X 120 SE CPU Air Cooler is better

Price

More budget-friendly at C$25.59

Noise Level

Quieter operation at 25.6 dBA vs 27.7 dBA

Compact Design

Smaller dimensions suitable for medium cases

Overall score

Thermalright Frozen Notte 240 Black ARGB V2 Water Cooling CPU Cooler
85
Thermalright Assassin X 120 SE CPU Air Cooler
65

Specifications

SpecThermalright Frozen Notte 240 Black ARGB V2 Water Cooling CPU CoolerThermalright Assassin X 120 SE CPU Air Cooler
Cooling TypeWaterAir
Max RPM53001550
Airflow72.37 CFM66.17 CFM
Noise Level27.7 dBA25.6 dBA
Socket CompatibilityIntel/AMDIntel/AMD

Dimension comparison

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

Overview of Thermalright Frozen Notte 240 Black ARGB V2 Water Cooling CPU Cooler

The Thermalright Frozen Notte 240 Black ARGB V2 Water Cooling CPU Cooler is priced at C$63.90 and features advanced water cooling capabilities. This cooler utilises a water block with a full copper mirror plane base and a 240 mm black aluminium fin cold plate, which enhances cooling efficiency. The product is designed to provide a low-resistance cooling solution while ensuring long-lasting performance with a lifespan of up to 40,000 hours. The inclusion of ARGB lighting adds aesthetic appeal, synchronising with the motherboard's 5V 3-pin connection.

Overview of Thermalright Assassin X 120 SE CPU Air Cooler

The Thermalright Assassin X 120 SE CPU Air Cooler is significantly more budget-friendly, priced at C$25.59. It employs a traditional air-cooling mechanism, utilising a heat sink made from aluminium and featuring a compact design that weighs 0.645 kg. The cooler is equipped with a PWM fan that operates at a maximum speed of 1,550 RPM, providing an airflow of 66.17 CFM. The Assassin X also uses advanced AGHP technology to counteract the inverse gravity effect, ensuring efficient cooling performance regardless of orientation.

Cooling Performance Comparison

In terms of cooling performance, the Thermalright Frozen Notte 240 excels due to its water cooling technology, boasting a higher airflow capacity of 72.37 CFM at max RPM. This capability allows for more effective heat dissipation, especially under heavy workloads. Conversely, the Assassin X, with its maximum airflow of 66.17 CFM, still maintains a strong performance for mid-range CPUs but may struggle with high-performance systems that generate more heat. Therefore, if superior cooling is a priority, the Frozen Notte 240 is the clear choice.

Noise Levels and Acoustic Performance

The Frozen Notte 240 operates with a maximum noise level of 27.7 dBA, while the Assassin X is quieter at a maximum of 25.6 dBA. This slight difference indicates that the Assassin X may be a more suitable option for users prioritising a silent operation. However, the increased cooling efficiency of the Frozen Notte might justify the marginal noise increase for users who require top-tier cooling performance. Ultimately, the decision may hinge on whether cooling efficiency or quieter operation is more critical for your setup.

Installation and Compatibility

Both coolers boast extensive compatibility with various Intel and AMD sockets, but the installation processes differ slightly due to their designs. The Frozen Notte 240 is designed for a dual-platform full metal black buckle, making it easy to install across multiple CPU platforms, and it recommends a chassis width of over 250 mm for optimal fit. Meanwhile, the Assassin X includes metal fasteners tailored for Intel and AMD platforms, allowing for straightforward installation in medium-sized computer cases. If ease of installation is a key factor, both options perform well, but the Frozen Notte 240’s design may offer a more versatile installation experience.

Aesthetic Considerations

Aesthetic appeal is a strong suit of the Thermalright Frozen Notte 240, thanks to its ARGB lighting features. The synchronisation with motherboard RGB software allows for a visually stunning setup that can enhance the overall look of a gaming rig. In contrast, the Assassin X has a more utilitarian design, focusing on performance over visual flair. For users who value aesthetics and want to create a stunning lighting scheme in their build, the Frozen Notte 240 is the clear winner.

Brand Reputation and Longevity

Thermalright has a solid reputation in the cooling market, boasting over 20 years of experience in developing high-quality computer accessories. Both the Frozen Notte 240 and the Assassin X reflect this commitment to quality, but the longevity specifications differ. The Frozen Notte's water-cooling head has an impressive lifespan of up to 40,000 hours, while the Assassin X provides up to 20,000 hours of service life. This longevity may be a deciding factor for users looking for a long-term solution, where the Frozen Notte 240 offers a more durable option.

Which should you buy?

Ultimately, the decision between the Thermalright Frozen Notte 240 Black ARGB V2 Water Cooling CPU Cooler and the Thermalright Assassin X 120 SE CPU Air Cooler boils down to your specific needs and preferences. If you are looking for superior cooling performance, aesthetic appeal, and longevity, the Frozen Notte 240 is worth the investment at C$63.90. However, if your budget is tighter and you require a reliable cooler for a mid-range system without the need for flashy lighting, the Assassin X at C$25.59 is a commendable choice. Each cooler has its strengths, making it essential to weigh your priorities carefully before making a purchase.

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