Thermalright Peerless Assassin 120 SE V2 CPU vs Thermalright TL-C12C X3 CPU Fan
Updated August 2026 — Thermalright Peerless Assassin 120 SE V2 CPU wins on compatibility and cooling perf, Thermalright TL-C12C X3 CPU Fan wins on value.
The Thermalright Peerless Assassin 120 SE V2 offers superior cooling performance and compatibility, making it the better choice for high-performance needs. The TL-C12C X3 is a budget-friendly option for general cooling.
Why Thermalright Peerless Assassin 120 SE V2 CPU is better
Cooling Performance
Dual tower design with 1850 RPM fans for superior heat dissipation.
Compatibility
Supports multiple CPU sockets including AMD AM4/AM5 and Intel LGA1700.
Build Quality
High-quality materials including a copper base for effective heat transfer.
Why Thermalright TL-C12C X3 CPU Fan is better
Price
Significantly cheaper at $11.99.
Noise Level
Lower noise level of 25.6 dBA.
Versatility
Can be used as a case fan or with CPU coolers.
Overall score
Specifications
| Spec | Thermalright Peerless Assassin 120 SE V2 CPU | Thermalright TL-C12C X3 CPU Fan |
|---|---|---|
| Max RPM | 1850 | 1550 |
| Noise Level | 29.5 dBA | 25.6 dBA |
| Air Pressure | 2.21 mm H2O | 1.53 mm H2O |
| Bearing Type | Copper Base | S-FDB Bearing |
| Socket Support | AMD/Intel | N/A |
Dimension comparison
Overview of the Products
The Thermalright Peerless Assassin 120 SE V2 CPU Cooler is designed for high-performance cooling, while the Thermalright TL-C12C X3 CPU Fan serves as a versatile cooling solution. The Peerless Assassin is priced at $38.99, whereas the TL-C12C X3 is significantly cheaper at $11.99, making it about 69% less expensive. Understanding the differences between these two products can help you determine which one best fits your cooling needs.
Cooling Performance
Cooling performance is a crucial factor when selecting a CPU cooler or fan. The Thermalright Peerless Assassin features a dual tower design with six heat pipes and dual 120mm PWM fans that can reach speeds of up to 1850 RPM. This configuration allows for superior heat dissipation, particularly in high-load scenarios such as gaming and multitasking. On the other hand, the Thermalright TL-C12C X3 operates at a maximum speed of 1550 RPM and delivers an airflow of 66.17 CFM. While it is effective for general case cooling, it may not match the intensive cooling capabilities of the Peerless Assassin under extreme conditions.
Design and Build Quality
Both products exhibit solid design and build quality, but they cater to different needs. The Peerless Assassin's dual tower structure enhances thermal performance and provides a more stable cooling solution when compared to standard stock coolers. Its build includes high-quality materials, including a copper base that aids in effective heat transfer. In contrast, the TL-C12C X3 features silicone corner pads that help reduce vibration and noise, contributing to a quieter operation. However, it is primarily a case fan and lacks the extensive cooling features of the dual tower design found in the Peerless Assassin.
Compatibility
Compatibility is essential when choosing a cooling solution. The Thermalright Peerless Assassin supports both AMD AM4/AM5 and Intel LGA1851/1700 platforms, making it a versatile choice for a variety of builds. This broad compatibility ensures that it can be used as an upgrade for many mainstream desktop systems. Conversely, the TL-C12C X3 functions as a case fan, making it adaptable for various applications, including use with CPU coolers. However, it does not specifically target CPU socket compatibility, which may limit its usability in certain configurations.
Noise Levels
When it comes to noise levels, both products are designed to operate quietly but achieve this in different ways. The Peerless Assassin operates at a noise level of 29.5 dBA at full speed, which is reasonable for a high-performance cooler. However, it may still produce noticeable sound in quieter environments. The TL-C12C X3 boasts a lower noise level of 25.6 dBA, thanks to its S-FDB bearings and vibration-reducing features, making it a more suitable option for users sensitive to noise. This reduction in noise while maintaining cooling performance is a significant advantage for those looking for a quieter PC setup.
Price Consideration
Price is a significant differentiator between these two products. The Thermalright Peerless Assassin is priced at $38.99, while the TL-C12C X3 is available for $11.99, which means you save about $27 when opting for the TL-C12C X3. This stark difference in price may appeal to budget-conscious buyers or those who only require basic cooling solutions. However, it is essential to weigh the cost against the performance capabilities of each product to ensure you are making the right investment for your cooling needs.
Target Audience
Each product targets a different audience based on their cooling requirements. The Thermalright Peerless Assassin is ideal for gamers, content creators, and users with high-performance systems who require superior cooling capabilities and are willing to invest in a more robust solution. In contrast, the TL-C12C X3 is better suited for casual users or those looking for supplementary cooling in their cases. Its affordability and versatility make it an attractive option for everyday computing tasks without the need for extensive cooling power.
Which should you buy?
Choosing between the Thermalright Peerless Assassin 120 SE V2 CPU Cooler and the Thermalright TL-C12C X3 CPU Fan largely depends on your specific cooling requirements and budget. If you need advanced cooling for high-performance tasks, the Peerless Assassin is the clear choice, offering superior heat dissipation and broad compatibility at a price of $38.99. However, if you are looking for an economical option for general case cooling, the TL-C12C X3 at $11.99 is a solid choice, providing good performance with lower noise levels. Ultimately, your decision should be based on whether you prioritize high-performance cooling or budget-friendly solutions.

