Thermalright Assassin X 120R SE V2 CPU Air Cooler vs Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm
Updated August 2026 — The Thermalright Peerless Assassin 120 offers superior cooling performance and advanced features, making it the better choice for high-performance builds. However, the Assassin X 120R SE V2 is a budget-friendly option for effective cooling.
The Thermalright Peerless Assassin 120 offers superior cooling performance and advanced features, making it the better choice for high-performance builds. However, the Assassin X 120R SE V2 is a budget-friendly option for effective cooling.
Why Thermalright Assassin X 120R SE V2 CPU Air Cooler is better
lower price
Assassin X 120R SE V2 costs C$23.59
compact size
Assassin X 120R SE V2 height is 148mm
easy installation
Assassin X 120R SE V2 is user-friendly for beginners
Why Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm is better
better cooling
Peerless Assassin 120 has 88.89 CFM airflow
advanced features
Peerless Assassin 120 includes digital display
dual-tower design
Peerless Assassin 120 enhances heat dissipation
Overall score
Specifications
| Spec | Thermalright Assassin X 120R SE V2 CPU Air Cooler | Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm |
|---|---|---|
| Max RPM | 1550 | 1850 |
| Noise Level | 25.6 dB(A) | 25.6 dB(A) |
| Socket Support | LGA1150/1151/1155/1156/1200/1700/AM4/AM5 | LGA1150/1151/1155/1156/1200/1700/AM4/AM5 |
| Fan Type | PWM | PWM |
| Material | PBT + PC | Copper + Aluminum |
Dimension comparison
Overview of Thermalright CPU Coolers
When choosing between the Thermalright Assassin X 120R SE V2 CPU Air Cooler and the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler, it is essential to consider their unique features and specifications. Both coolers are designed to effectively dissipate heat from your CPU, but they differ significantly in design, cooling technology, and price. The Assassin X 120R SE V2 is priced at C$23.59, while the Peerless Assassin 120 comes at a higher price of C$62.90, reflecting its advanced features.
Design and Build Quality
The Thermalright Assassin X 120R SE V2 features a compact design with a height of 148mm, making it suitable for medium-sized cases without obstructing memory installation. Its construction employs industrial-grade materials, ensuring durability and stability. In contrast, the Thermalright Peerless Assassin 120 is slightly taller at 162mm and presents a dual-tower design with a sleek black aesthetic. This design not only enhances heat dissipation but also provides compatibility with high-capacity memory and graphics cards, catering to more demanding setups.
Cooling Performance
In terms of cooling performance, the Thermalright Peerless Assassin 120 stands out with its dual fans and higher airflow capabilities. It operates at a maximum speed of 1850 RPM, generating an impressive airflow of 88.89 CFM, which significantly enhances its heat dissipation efficiency. The Assassin X 120R SE V2, while capable, has a lower maximum fan speed of 1550 RPM and airflow of 66.17 CFM. This indicates that the Peerless Assassin likely provides superior cooling, especially during intensive tasks, making it a better option for high-performance builds.
Noise Levels
Both coolers maintain a competitive noise level, with the Thermalright Assassin X 120R SE V2 and the Peerless Assassin 120 both rated at a maximum noise level of 25.6 dB(A). This suggests that users can expect a quiet operation from either cooler. However, the Peerless Assassin's dual-fan setup may introduce slight variations in noise levels under load, depending on its fan speed adjustments, but overall, both models are designed to operate silently, providing a pleasant user experience.
Fan Technology
The fans in the Thermalright Assassin X 120R SE V2 are equipped with a PWM control feature, which allows for efficient speed adjustments based on the CPU temperature. This capability ensures optimal cooling performance while minimizing noise. The Peerless Assassin 120 also employs PWM fan technology and includes additional features, such as a magnetic top cover and a digital display board that enhances its aesthetic appeal and user control. This digital integration allows for real-time monitoring and adjustments, showcasing a more advanced approach in fan technology.
Compatibility
Compatibility is crucial when selecting a CPU cooler. The Thermalright Assassin X 120R SE V2 supports a wide range of Intel and AMD sockets, including LGA1700 and AM5, making it a versatile choice for various builds. Similarly, the Peerless Assassin 120 also supports multiple socket types, ensuring that it can accommodate most modern CPUs. The dual-tower design of the Peerless Assassin, however, might limit its compatibility with certain compact cases, whereas the Assassin X, with its lower height, presents fewer installation challenges.
Price Consideration
The price point is a significant differentiator between these two coolers. The Thermalright Assassin X 120R SE V2 is priced at a budget-friendly C$23.59, making it an attractive option for users seeking effective cooling without breaking the bank. On the other hand, the Peerless Assassin 120, with a price tag of C$62.90, reflects its advanced features and improved cooling performance. While the higher price may deter some budget-conscious buyers, those seeking enhanced cooling capabilities and aesthetics may find the investment worthwhile.
User Experience and Installation
User experience can greatly influence the choice between the two coolers. The Thermalright Assassin X 120R SE V2 is designed for straightforward installation, with provided mounting plates and instructions, making it user-friendly for beginners. The Peerless Assassin 120, while also designed for ease of installation, may require more attention due to its dual-fan and dual-tower configuration. The added complexity might be a consideration for those less experienced with hardware setups; however, the potential for improved performance could justify the learning curve.
Which should you buy?
Ultimately, the decision between the Thermalright Assassin X 120R SE V2 and the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler hinges on your specific needs and budget. If you are looking for an affordable, compact, and effective cooling solution, the Assassin X 120R SE V2 is an excellent choice. However, for those willing to invest more for advanced features, superior cooling performance, and aesthetic enhancements, the Peerless Assassin 120 is the better option. Both coolers offer reliable performance, but your choice should align with your cooling demands and budget constraints.
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