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Thermalright Peerless Assassin 120 Mini Black CPU vs Thermalright Peerless Assassin 120 SE CPU Cooler,

Updated August 2026 — Thermalright Peerless Assassin 120 SE CPU Cooler, leads on cooling performa and build quality.

The Thermalright Peerless Assassin 120 SE offers superior cooling performance with dual fans, making it the better choice for high-performance tasks. However, the Mini Black is more budget-friendly and compact.

Why Thermalright Peerless Assassin 120 Mini Black CPU is better

Price

Mini Black is $15.60 cheaper

Size

More compact design for smaller cases

Noise

Operates quietly at lower RPM

Why Thermalright Peerless Assassin 120 SE CPU Cooler, is better

Cooling

Dual fans provide better heat distribution

Airflow

SE has effective cooling despite lower CFM

Performance

Better suited for high-performance tasks

Overall score

Thermalright Peerless Assassin 120 Mini Black CPU
75
Thermalright Peerless Assassin 120 SE CPU Cooler,
85

Specifications

SpecThermalright Peerless Assassin 120 Mini Black CPUThermalright Peerless Assassin 120 SE CPU Cooler,
Price$34.39$49.99
Fans12
Noise Level25.6 dB(A)25.6 dB(A)
CompatibilityAM4/AM5, LGAAM4/AM5, LGA
Heat Pipes66

Dimension comparison

Thermalright Peerless Assassin 120 Mini Black CPUThermalright Peerless Assassin 120 SE CPU Cooler,

Overview of Thermalright Peerless Assassin 120 Mini Black CPU Cooler

The Thermalright Peerless Assassin 120 Mini Black is priced at $34.39, making it about 17% cheaper than its counterpart, the Peerless Assassin 120 SE. This cooler features a compact design suitable for various builds, with dimensions of 125mm x 110mm x 135mm. Equipped with a single 120mm PWM fan operating at 1500 RPM, it boasts a maximum airflow of 66.87 CFM while maintaining a noise level of only 25.6 dB(A). The cooler is compatible with both AMD and Intel sockets, including AM4, AM5, and several LGA series.

Overview of Thermalright Peerless Assassin 120 SE CPU Cooler

The Thermalright Peerless Assassin 120 SE comes at a price of $49.99, which is a 45% increase compared to the Mini Black. This model is larger, with dimensions of 125mm x 135mm x 155mm, and features dual 120mm PWM fans that can reach speeds of 1550 RPM. This setup provides a slightly lower maximum airflow of 66.17 CFM but maintains the same quiet operation at 25.6 dB(A). The SE model also supports a wide range of AMD and Intel sockets, ensuring it can fit into various systems easily.

Cooling Performance Comparison

When it comes to cooling performance, the Peerless Assassin 120 SE offers a slight edge due to its dual fan configuration. While the Mini Black’s single fan provides an impressive airflow of 66.87 CFM, the SE model’s dual fans, despite having a marginally lower airflow rating, can distribute cooling more effectively due to their combined effect. This difference becomes significant during high-performance tasks such as gaming or video rendering, where heat generation is at its peak.

Design and Build Quality

In terms of design, both coolers feature an attractive black finish, but the Peerless Assassin 120 SE is slightly taller and bulkier due to its dual fan setup. The Mini Black offers a more compact solution, making it ideal for smaller cases. Both models utilize Thermalright's advanced AGHP technology, which enhances their heat dissipation capabilities. The build quality is commendable in both models, utilizing aluminum and copper for effective thermal management.

Installation Process

Both products are designed for easy installation, featuring compatible mounting plates for various CPU sockets. The Peerless Assassin 120 Mini Black is slightly simpler to install due to its smaller size, making it easier to fit into tight spaces. The SE model, while slightly bulkier, also provides a comprehensive mounting kit that supports Intel and AMD platforms, ensuring that users can set it up without hassle.

Noise Levels

Both the Peerless Assassin 120 Mini Black and the SE model operate quietly, with a maximum noise level of 25.6 dB(A). This makes them suitable for builds where silence is paramount, such as home theater PCs or quiet workstations. The Mini Black may have a slight advantage when operating at lower RPM, but the difference is negligible, given that the SE’s dual fans can manage heat without needing to run at full speed.

Price Comparison

The Thermalright Peerless Assassin 120 Mini Black is priced at $34.39, while the Peerless Assassin 120 SE is available for $49.99. This means the Mini Black is about $15.60 cheaper than the SE, making it an attractive option for budget-conscious builders. The price difference reflects the additional features and capabilities offered by the SE model, such as dual fans and a slightly larger size, but the Mini Black remains an excellent value for those seeking effective cooling without breaking the bank.

Which should you buy?

Ultimately, the choice between the Thermalright Peerless Assassin 120 Mini Black and the Peerless Assassin 120 SE depends on your specific needs and budget. If you are looking for a more cost-effective solution that offers solid performance and compact size, the Mini Black is a great choice at $34.39. However, if you require enhanced cooling capabilities with dual fans for a more intensive workload, the SE at $49.99 may justify its higher price. Both products are designed with quality and efficiency in mind, ensuring that whichever you choose, you’ll have a reliable cooling solution for your CPU.