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Thermalright Peerless Assassin 140 Black CPU Cooler vs Thermalright Burst Assassin 120 SE ARGB CPU Air Cooler

Updated August 2026The Thermalright Peerless Assassin 140 Black offers superior cooling performance and features, while the Burst Assassin 120 SE ARGB is a budget-friendly option with good aesthetics. Choose based on your cooling needs and budget.

The Thermalright Peerless Assassin 140 Black offers superior cooling performance and features, while the Burst Assassin 120 SE ARGB is a budget-friendly option with good aesthetics. Choose based on your cooling needs and budget.

Why Thermalright Peerless Assassin 140 Black CPU Cooler is better

Cooling Performance

Dual-tower design provides better heat dissipation.

Airflow

Dual fans generate more consistent airflow.

Height Compatibility

Better suited for larger chassis.

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

Price

More affordable at C$29.90.

Aesthetic Appeal

ARGB lighting for customization.

Memory Clearance

Fin offset technology allows for taller RAM.

Overall score

Thermalright Peerless Assassin 140 Black CPU Cooler
85
Thermalright Burst Assassin 120 SE ARGB CPU Air Cooler
70

Specifications

SpecThermalright Peerless Assassin 140 Black CPU CoolerThermalright Burst Assassin 120 SE ARGB CPU Air Cooler
BrandThermalrightThermalright
MaterialAluminium/CopperNickel-Plated Copper
Socket SupportLGA1150/1700, AM4/AM5LGA1150/1700, AM4/AM5
Fan TypeDual PWMSingle PWM
Installation EaseEasyEasy

Dimension comparison

Thermalright Peerless Assassin 140 Black CPU CoolerThermalright Burst Assassin 120 SE ARGB CPU Air Cooler

Overview of the Thermalright Peerless Assassin 140 Black

The Thermalright Peerless Assassin 140 Black CPU Cooler is a robust cooling solution priced at C$54.90. This cooler features a twin-tower design, which enhances heat dissipation through its pure copper heat pipes and dual high-performance fans. With a height of 158mm, it fits comfortably in large and medium-sized chassis, making it a suitable choice for users aiming for efficient cooling in various setups.

The cooler's design incorporates a symmetrical mecha-shaped fin structure that maximizes airflow, ensuring that even under heavy loads, the thermal performance remains optimal. Its dual fans operate at a speed of 1500 RPM, providing a substantial air volume of 66.17 CFM while maintaining a noise level of ≤25.6 dB(A). This makes it a strong contender for users who prioritize both cooling efficiency and quiet operation.

Overview of the Thermalright Burst Assassin 120 SE ARGB

In contrast, the Thermalright Burst Assassin 120 SE ARGB CPU Air Cooler offers a more budget-friendly option at C$29.90. This cooler utilizes a single tower design paired with a TL-C12C-S series fan, which operates at a slightly lower maximum speed of 1550 RPM. Despite its smaller footprint, it also achieves a commendable air volume of 66.17 CFM, with a comparable noise level of ≤25.6 dB(A).

One notable feature is its fin offset technology, allowing for unrestricted memory height, which can be a significant advantage for those with high-profile RAM. Additionally, the Burst Assassin's six nickel-plated heat pipes enhance its heat dissipation capability, making it a solid choice for users looking for effective cooling without breaking the bank.

Cooling Performance

When comparing cooling performance, the Thermalright Peerless Assassin 140 Black stands out due to its twin-tower design and dual fans. This configuration allows it to disperse heat more efficiently than the single-tower design of the Burst Assassin 120 SE. The dual fans can generate a more consistent airflow, which is crucial for maintaining lower CPU temperatures during intensive tasks.

However, the Burst Assassin makes a compelling case for users who have space limitations or don’t require extreme cooling performance. Its design ensures that it still provides adequate cooling for most mid-range setups, making it an excellent choice for budget-conscious builders. The effective heat dissipation of both coolers means that users can expect reliable performance, but the Peerless Assassin likely has an edge in high-demand scenarios.

Installation Ease

Both the Thermalright Peerless Assassin 140 Black and the Burst Assassin 120 SE ARGB are designed with user-friendly installation in mind. Each cooler includes a mounting kit compatible with multiple CPU socket types, including Intel's LGA1150 to LGA1700 and AMD's AM4 and AM5.

The Peerless Assassin's all-metal fasteners and SS2 buckle system facilitate a straightforward installation process. Similarly, the Burst Assassin features SS2 grommets for easy maintenance and upgrades. However, the Burst Assassin's fin offset technology can make it more forgiving in tight spaces, particularly when paired with tall RAM modules. Thus, while both coolers are relatively easy to install, the Burst Assassin may offer a slight advantage for users with height restrictions.

Aesthetic Appeal

Aesthetics can be an important factor for many builders, and here the Burst Assassin 120 SE ARGB has a distinct advantage. It features an ARGB lighting interface, allowing users to customize the cooler's appearance to match their build. This can enhance the overall look of a PC setup, particularly for those who enjoy showcasing their systems.

On the other hand, the Peerless Assassin does not explicitly mention RGB features. While it offers a sleek design, it may not appeal as strongly to users looking for customizable lighting effects. Therefore, if aesthetics and customizable lighting are priorities for you, the Burst Assassin is the clear choice.

Noise Levels

Both the Thermalright Peerless Assassin 140 Black and the Burst Assassin 120 SE ARGB have been engineered to operate quietly, with noise levels capped at ≤25.6 dB(A). This is particularly beneficial for users who prefer a quieter computing environment, especially during demanding tasks like gaming or content creation.

The dual fans of the Peerless Assassin can create a more consistent airflow without increasing noise levels, while the Burst Assassin's single fan also maintains a low noise profile. In practical terms, both coolers provide a silent operation, making them suitable for users who prioritize quiet performance.

Price Comparison

The Thermalright Peerless Assassin 140 Black is priced at C$54.90, which places it in the mid-range segment of CPU coolers. In contrast, the Burst Assassin 120 SE ARGB is significantly cheaper at C$29.90, making it an attractive option for budget-conscious consumers.

While the Peerless Assassin offers enhanced cooling performance and design features, the Burst Assassin provides excellent value for those who do not need the highest cooling capabilities. Therefore, your budget and cooling needs will significantly influence your decision between these two products.

Which should you buy?

Choosing between the Thermalright Peerless Assassin 140 Black and the Burst Assassin 120 SE ARGB ultimately depends on your specific requirements. If you need superior cooling performance, particularly for high-demand tasks, the Peerless Assassin is the better choice with its dual-tower design and efficient airflow. However, if you're looking for a budget-friendly option with good cooling capabilities and aesthetic appeal, the Burst Assassin stands out as an excellent value. Consider your system’s needs, space constraints, and personal preferences when making your decision.

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Thermalright Peerless Assassin 140 Black CPU Cooler vs Thermalright Burst Assassin 120 SE ARGB CPU Air Cooler | versusfinder