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Thermalright Assassin X120 Refined SE CPU Air vs Thermalright Phantom Spirit 120 EVO CPU Cooler,7×

Updated July 2026 — Thermalright Phantom Spirit 120 EVO CPU Cooler,7× leads on weight and width.

The Thermalright Phantom Spirit 120 EVO offers superior cooling performance and design, making it the better choice for high-performance needs, while the Assassin X120 is more budget-friendly.

Why Thermalright Assassin X120 Refined SE CPU Air is better

Price

Assassin X120 is significantly cheaper at $17.90

Noise Level

Assassin X120 operates at a quieter maximum noise level of 25.6 dB(A)

Weight

Assassin X120 is lighter at 0.645 kg

Why Thermalright Phantom Spirit 120 EVO CPU Cooler,7× is better

Cooling Performance

Phantom Spirit has dual fans and higher RPM for better cooling

Design

Phantom Spirit features a more robust and stylish design

Airflow

Phantom Spirit provides higher airflow at 69 CFM

Overall score

Thermalright Assassin X120 Refined SE CPU Air
75
Thermalright Phantom Spirit 120 EVO CPU Cooler,7×
85

Specifications

SpecThermalright Assassin X120 Refined SE CPU AirThermalright Phantom Spirit 120 EVO CPU Cooler,7×
Max RPM15502150
Max CFM66.1769
Noise Level25.6 dB(A)27 dB(A)
Socket CompatibilityIntel LGA 1150/1151/1155/1200, AMD AM4/AM5Intel LGA 1700/1150/1151/1200, AMD AM4/AM5
MaterialAluminumAluminum/Copper

Dimension comparison

Thermalright Assassin X120 Refined SE CPU AirThermalright Phantom Spirit 120 EVO CPU Cooler,7×

Overview of Thermalright Products

In this comparison, we look at two CPU coolers from Thermalright: the Thermalright Assassin X120 Refined SE and the Thermalright Phantom Spirit 120 EVO. The Assassin X120 is priced at $17.90, while the Phantom Spirit is notably higher at $46.90, making it about 17% more expensive. Both products boast unique features and specifications designed to enhance CPU cooling efficiency, but their designs and technologies differ significantly.

Design and Build Quality

The Thermalright Assassin X120 features an aluminum heatsink cover with a compact design, measuring 125 x 71 x 148 mm. It incorporates four heat pipes designed using AGHP technology to improve cooling efficiency and longevity, with a weight of 0.645 kg. In contrast, the Thermalright Phantom Spirit 120 EVO is slightly larger at 125 x 135 x 157 mm and heavier, designed with seven heat pipes that enhance its heat dissipation capabilities. Its anodized black frosted finish adds a sleek aesthetic while improving overall performance. Thus, while both coolers are built with quality materials, the Phantom Spirit offers a more robust and stylish design.

Cooling Performance

When it comes to cooling performance, the Phantom Spirit 120 EVO excels with its dual PWM fans capable of reaching speeds of up to 2150 RPM, producing an airflow of 69 CFM. In comparison, the Assassin X120 uses a single TL-C12C PWM fan, operating at 1550 RPM with a maximum airflow of 66.17 CFM. This difference in fan configuration and speed contributes significantly to the cooling performance, with the Phantom Spirit likely providing superior thermal management under heavy workloads. Accordingly, users with high-performance CPUs may find the Phantom Spirit more suitable for their needs.

Noise Levels

Noise levels are an essential factor for many users when selecting CPU coolers. The Assassin X120 boasts a maximum noise level of 25.6 dB(A), making it relatively quiet during operation. On the other hand, the Phantom Spirit has a slightly higher maximum noise level of 27 dB(A) due to its more powerful fans. While both coolers are designed to operate quietly, the Assassin X120 may be the better choice for users prioritizing a noiseless computing experience. However, the difference in noise levels is marginal, and both products remain within an acceptable range for most users.

Compatibility with CPU Sockets

Compatibility is crucial for ensuring that a CPU cooler can be used with various processors. The Thermalright Assassin X120 is compatible with a wide range of Intel and AMD sockets, including Intel LGA 1150, 1151, 1155, 1200, and AMD AM4/AM5. The Phantom Spirit 120 EVO also supports an extensive range of sockets, accommodating Intel LGA 1700, 1150, 1151, and AMD AM4/AM5. Both coolers offer the necessary mounting hardware for different CPU socket platforms, ensuring they can be easily installed on modern systems. Therefore, users can confidently choose either cooler without compatibility concerns.

Installation Process

Installation ease can significantly influence customer satisfaction. The Thermalright Assassin X120 is equipped with metal fasteners for both Intel and AMD platforms, simplifying the installation process. Similarly, the Phantom Spirit 120 EVO provides corresponding mounting plates and fasteners, allowing for straightforward installation. Both products have user-friendly designs, making them accessible for DIY enthusiasts and those unfamiliar with CPU cooler installations. Consequently, there is little to distinguish the two in this area, as both have made efforts to streamline the setup process.

Brand Reputation and Customer Feedback

Thermalright has built a solid reputation over 20 years in the cooling industry, known for its innovative products and reliable performance. Both the Assassin X120 and Phantom Spirit are well-regarded in customer reviews, with users praising their cooling efficiency and ease of installation. The brand's commitment to R&D in computer accessories ensures that customers receive high-quality products. Given Thermalright's established presence and positive feedback across its product line, users can trust in the reliability of both coolers.

Which should you buy?

Ultimately, the choice between the Thermalright Assassin X120 Refined SE and the Thermalright Phantom Spirit 120 EVO will depend on your specific needs and budget. The Assassin X120 is significantly more affordable at $17.90 and offers solid performance with lower noise levels, making it ideal for budget-conscious users or those with less demanding cooling needs. Conversely, the Phantom Spirit, priced at $46.90, provides enhanced cooling performance, increased airflow, and a more aesthetically pleasing design, making it suitable for high-performance systems. If cooling efficiency is your primary concern and budget allows, the Phantom Spirit would be the better choice. However, for standard use, the Assassin X120 remains an excellent option.