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Thermalright Phantom Spirit 120 SE Black CPU vs Thermalrlght Peerless Assassin 120 SE CPU Air

Updated August 2026 — Thermalright Phantom Spirit 120 SE Black CPU leads on cooling performa and build quality.

The Thermalright Phantom Spirit offers superior cooling performance, while the Peerless Assassin is a more budget-friendly option. Choose based on your cooling needs and price sensitivity.

Why Thermalright Phantom Spirit 120 SE Black CPU is better

Cooling Performance

Phantom Spirit has 7 heat pipes compared to 6 in Peerless Assassin.

Fan Speed

Phantom Spirit operates at a lower RPM with similar airflow.

Build Quality

Phantom Spirit features a finely carved copper base for better heat dissipation.

Why Thermalrlght Peerless Assassin 120 SE CPU Air is better

Price

Peerless Assassin is $7 cheaper.

Weight

Peerless Assassin is lighter, making it easier to install.

Design

Peerless Assassin has an asymmetrical layout for better compatibility.

Overall score

Thermalright Phantom Spirit 120 SE Black CPU
85
Thermalrlght Peerless Assassin 120 SE CPU Air
78

Specifications

SpecThermalright Phantom Spirit 120 SE Black CPUThermalrlght Peerless Assassin 120 SE CPU Air
Airflow66.17 CFM66.17 CFM
Noise Level25.6 dB(A)25.6 dB(A)
Fan Speed1500 RPM1550 RPM
Heat Pipes76
MaterialAluminum/CopperAluminum/Copper

Dimension comparison

Thermalright Phantom Spirit 120 SE Black CPUThermalrlght Peerless Assassin 120 SE CPU Air

Overview of the Thermalright Phantom Spirit 120 SE Black CPU Cooler

The Thermalright Phantom Spirit 120 SE Black CPU Cooler is priced at $39.90, featuring dual TL-C12B V2 PWM fans and a robust design with seven heat pipes. This cooler is engineered to enhance heat dissipation, making it suitable for various Intel and AMD sockets, including AM4, AM5, and Intel LGA1851, 1700, and 115X series. Its innovative cooling solutions and durability ensure effective thermal performance while maintaining a relatively low noise level of 25.6 dB(A).

The cooler's construction includes a finely carved copper base and aluminum fins, promoting maximum heat dissipation. With a height of 154 mm and a fan speed of 1500 RPM, it aims to balance performance and acoustics effectively. This product stands out with its AGHP technology, designed to optimize heat transfer and longevity.

Overview of the Thermalrlght Peerless Assassin 120 SE CPU Air Cooler

The Thermalrlght Peerless Assassin 120 SE CPU Air Cooler is slightly cheaper at $32.90, making it about 17% more affordable than the Phantom Spirit. It also features dual TL-C12C PWM fans and six heat pipes, designed to deliver high airflow and cooling efficiency. The cooler supports a wide range of CPU sockets, including AMD AM4 and AM5, as well as Intel LGA1700, 1150, and 1200 series.

With a height of 155 mm and a fan speed of 1550 RPM, this cooler is constructed with an anodized brushed black top cover and nickel-plated heat pipes, ensuring a stable performance output. The Peerless Assassin's innovative asymmetrical layout allows for better compatibility with graphics cards and motherboards, making it a versatile choice for various builds.

Cooling Performance Comparison

In terms of cooling performance, the Thermalright Phantom Spirit is designed with seven heat pipes and a maximum airflow of 66.17 CFM, promoting effective thermal management. The AGHP technology employed allows for efficient heat transfer, making it suitable for high-demand CPU tasks.

On the other hand, the Thermalrlght Peerless Assassin features six heat pipes and similar airflow capabilities of 66.17 CFM. Its unique design and construction with nickel-plated heat pipes aim to enhance heat exchange efficiency. While both coolers boast impressive specs, the Phantom Spirit offers one additional heat pipe, potentially providing a slight edge in cooling performance, especially under heavy workloads.

Noise Levels and Operation

Both coolers maintain a noise level of 25.6 dB(A), ensuring a quiet operation during use. The Phantom Spirit operates at a fan speed of 1500 RPM, while the Peerless Assassin runs at 1550 RPM. This marginal difference in RPM does not significantly impact noise levels, allowing users to enjoy a peaceful computing experience regardless of the choice.

Each cooler's PWM fans contribute to maintaining optimal temperatures without producing excessive noise, which is crucial for users seeking a quiet environment. Thus, both coolers are well-suited for gamers and professionals who prioritize noise reduction while maintaining performance.

Aesthetics and Design

Aesthetically, the Thermalright Phantom Spirit features a sleek black design with a fully electroplated finish, giving it a modern touch that can complement various build styles. The blackened nano coating enhances its visual appeal while ensuring durability against wear and tear.

Conversely, the Thermalrlght Peerless Assassin sports an anodized brushed black top cover, creating an elegant contrast with its nickel-plated heat pipes. The asymmetrical layout not only serves a functional purpose but also adds a unique look to the cooler, making it attractive for users who prioritize design alongside performance. Both coolers offer distinctive aesthetics, catering to different tastes in PC design.

Installation Process

The installation process for both CPU coolers is designed to be straightforward, though users must ensure compatibility with their motherboard and case. The Phantom Spirit comes with mounting hardware for various Intel and AMD sockets, while the Peerless Assassin employs an SS2 install system, which simplifies the installation process.

Both products require the original motherboard backplate for AMD installations, which may be a consideration for users planning to upgrade. Overall, neither cooler poses significant challenges during installation, but the Peerless Assassin's user-friendly design may appeal more to novice builders.

Price Comparison

When it comes to pricing, the Thermalright Phantom Spirit is priced at $39.90, while the Thermalrlght Peerless Assassin is available for $32.90. The difference of $7.00 makes the Peerless Assassin the more budget-friendly option, appealing to users who want solid performance without breaking the bank.

Considering the features and cooling capabilities offered by both coolers, the price difference could be a deciding factor for budget-conscious consumers. However, those seeking the maximum cooling efficiency may find the additional investment in the Phantom Spirit worthwhile.

Which should you buy?

Choosing between the Thermalright Phantom Spirit 120 SE Black CPU Cooler and the Thermalrlght Peerless Assassin 120 SE CPU Air Cooler ultimately depends on your specific needs and budget. If you prioritize maximum cooling performance and are willing to spend a little more, the Phantom Spirit with its seven heat pipes may be the better option, especially for high-performance builds.

However, if you are looking for a reliable cooler that provides excellent performance at a lower price point, the Peerless Assassin is a fantastic choice. Its design offers adequate cooling capabilities and features that compete closely with the Phantom Spirit. Ultimately, both coolers represent solid choices in the CPU cooler market, ensuring effective thermal management for your system.