Thermalright TL-S12W X3 CPU Fan 120mm Case Cooler Fan vs Thermalright Peerless Assassin 120 Black CPU Air Cooler
Updated August 2026 — The Thermalright Peerless Assassin 120 offers superior cooling performance, while the TL-S12W X3 is a cost-effective solution for case airflow.
The Thermalright Peerless Assassin 120 offers superior cooling performance, while the TL-S12W X3 is a cost-effective solution for case airflow.
Why Thermalright TL-S12W X3 CPU Fan 120mm Case Cooler Fan is better
lower price
TL-S12W X3 is priced at C$19.59
quieter operation
TL-S12W X3 has a noise level of 23.2 dB(A)
ease of installation
TL-S12W X3 is user-friendly with straightforward installation
Why Thermalright Peerless Assassin 120 Black CPU Air Cooler is better
better cooling
Peerless Assassin 120 has a maximum airflow of 66.17 CFM
advanced design
Peerless Assassin 120 features a dual tower configuration
wider compatibility
Peerless Assassin 120 supports multiple Intel and AMD sockets
Overall score
Specifications
| Spec | Thermalright TL-S12W X3 CPU Fan 120mm Case Cooler Fan | Thermalright Peerless Assassin 120 Black CPU Air Cooler |
|---|---|---|
| Price | C$19.59 | C$54.90 |
| Noise Level | 23.2 dB(A) | 25.6 dB(A) |
| Air Pressure | 1.31 mm H2O | N/A |
| Fan Type | Case Fan | CPU Cooler |
| Cooling Method | Air | Air |
Dimension comparison
Overview of the Products
When comparing the Thermalright TL-S12W X3 CPU Fan and the Thermalright Peerless Assassin 120 Black CPU Air Cooler, it's essential to understand their distinct functionalities and target applications. The TL-S12W X3 is a case fan designed for versatile use within computer systems, while the Peerless Assassin 120 is a robust CPU cooler engineered specifically for efficient heat dissipation in high-performance scenarios.
The TL-S12W X3 is priced at C$19.59, making it an affordable choice for enhancing case airflow. In contrast, the Peerless Assassin 120, with a price of C$54.90, positions itself as a premium cooling solution aimed at gamers and professionals who require superior CPU performance. Understanding these fundamental differences will help consumers make informed purchasing decisions based on their needs.
Performance and Cooling Efficiency
In terms of cooling efficiency, the Thermalright Peerless Assassin 120 Black CPU Air Cooler stands out with its dual tower design and superior air flow capabilities. With a maximum air flow of 66.17 CFM and a noise level of only 25.6 dB(A), it offers efficient heat dissipation for intensive CPU workloads.
On the other hand, the TL-S12W X3 achieves an air flow of 47.6 CFM at a maximum speed of 1500 RPM, with a quieter operation at a noise level of 23.2 dB(A). While it provides decent cooling for case airflow, it cannot match the robust cooling performance of the Peerless Assassin, particularly in high-temperature scenarios.
Design and Build Quality
The design of the Thermalright Peerless Assassin 120 is engineered for optimal cooling performance, featuring a twin tower configuration and aluminum heat sink materials that enhance heat dissipation. Its black paint finish not only provides an attractive aesthetic but also contributes to its heat dissipation efficiency.
In contrast, the TL-S12W X3 boasts a more straightforward design focused on versatility. Made from insulation-grade PBT+PC, it includes soft silicone feet to minimize noise, making it suitable for various applications. However, its simpler build does not prioritize the advanced cooling techniques found in the Peerless Assassin.
Installation and Compatibility
When it comes to installation, the Thermalright Peerless Assassin 120 offers compatibility with a wide range of Intel and AMD socket types, including LGA1150, LGA1700, AM4, and AM5. This broad compatibility ensures that users can easily integrate it into their systems without worrying about fitting issues.
The TL-S12W X3, while versatile for case and CPU cooling applications, does not require the same level of installation complexity as a dedicated CPU cooler. Its straightforward installation process is enhanced by the included mounting screws and instruction manual, making it user-friendly for those less experienced with PC building.
Noise Levels
Both products operate at commendable noise levels, but their performance varies under load. The TL-S12W X3 operates at a maximum noise level of 23.2 dB(A), making it an excellent choice for silent builds or environments where noise reduction is a priority.
Conversely, the Peerless Assassin 120 operates slightly louder at 25.6 dB(A) due to its dual fans working harder to dissipate heat in demanding situations. While this is still relatively quiet, users prioritising silent operation may prefer the TL-S12W X3. However, the additional noise from the Peerless Assassin might be a worthwhile trade-off for the superior cooling performance it offers.
Price and Value
Price is a significant factor when comparing the Thermalright TL-S12W X3 and the Peerless Assassin 120. The TL-S12W X3's price of C$19.59 provides an excellent value for those looking to improve case airflow without breaking the bank. Its package includes three fans, ensuring that users can enhance their system's cooling efficiently.
In contrast, the Peerless Assassin 120, priced at C$54.90, reflects its premium build quality and advanced cooling capabilities. For users who require optimal CPU cooling for gaming or heavy workloads, this investment may provide significant returns in performance, making it a valuable addition to high-end systems.
Target Audience and Use Cases
The Thermalright TL-S12W X3 is ideal for users who are looking for a cost-effective way to improve case airflow while maintaining a quiet operation. It is suitable for general use, including gaming PCs and workstations where noise reduction is a priority.
On the other hand, the Peerless Assassin 120 is designed for enthusiasts and professionals who demand high performance from their systems. Its advanced cooling features make it a preferable choice for gamers, content creators, and anyone who pushes their CPU to the limits.
Which should you buy?
Choosing between the Thermalright TL-S12W X3 CPU Fan and the Thermalright Peerless Assassin 120 Black CPU Air Cooler ultimately depends on your specific needs. If you are looking for an affordable solution to enhance case airflow without significant noise, the TL-S12W X3 is an excellent choice. However, if you require robust cooling performance for high-end CPUs, the Peerless Assassin 120 is worth the investment, offering superior cooling efficiency and compatibility with various socket types. Each product serves its purpose well, catering to different segments of the computer hardware market.
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