be Quiet! Pure Loop 2 FX 240mm vs Thermalright Assassin X 90 SE V2 CPU Cooler
Updated August 2026 — The be Quiet! Pure Loop 2 FX 240mm offers superior cooling performance and aesthetics, while the Thermalright Assassin X 90 SE V2 is a budget-friendly option. Choose based on your needs and budget.
The be Quiet! Pure Loop 2 FX 240mm offers superior cooling performance and aesthetics, while the Thermalright Assassin X 90 SE V2 is a budget-friendly option. Choose based on your needs and budget.
Why be Quiet! Pure Loop 2 FX 240mm is better
Cooling Performance
Advanced PWM pump technology for superior cooling.
Aesthetics
ARGB illumination enhances visual appeal.
Noise Levels
Designed for quieter operation with minimal vibrations.
Why Thermalright Assassin X 90 SE V2 CPU Cooler is better
Price
Significantly more affordable at C$24.90.
Compact Size
Smaller dimensions fit in tight spaces.
Brand Experience
Established brand with over 20 years in cooling solutions.
Overall score
Specifications
| Spec | be Quiet! Pure Loop 2 FX 240mm | Thermalright Assassin X 90 SE V2 CPU Cooler |
|---|---|---|
| Current Price | C$118.12 | C$24.90 |
| Fan Count | 2 | 1 |
| Max RPM | N/A | 2200 |
| Noise Level | Low | ≤23.85 dB(A) |
| ARGB Support | Yes | No |
Dimension comparison
Price Comparison
When it comes to price, the Thermalright Assassin X 90 SE V2 is significantly more affordable than the be Quiet! Pure Loop 2 FX 240mm. The Assassin X 90 SE V2 is priced at C$24.90, while the Pure Loop 2 FX 240mm retails for C$118.12. This price difference of approximately C$93.22 may play a crucial role for budget-conscious consumers looking for effective cooling solutions. While the higher price of the Pure Loop 2 FX 240mm may be justified by its advanced features, the lower cost of the Assassin X 90 SE V2 makes it an attractive option for those on a tighter budget.
Cooling Technology
The cooling technology employed in these two products varies significantly, affecting their performance. The be Quiet! Pure Loop 2 FX 240mm utilises a PWM pump that is doubly decoupled for quieter operation and reduced vibration, allowing for a more peaceful computing experience. In contrast, the Thermalright Assassin X 90 SE V2 features upgraded AGHP technology with a 4x6mm heat pipe configuration designed to enhance cooling efficiency. Both coolers support Intel and AMD socket types, ensuring broad compatibility, but the advanced pump technology in the Pure Loop 2 FX 240mm may provide superior cooling under heavy loads, making it a better option for high-performance systems.
Fan Performance
Fan performance is a key aspect of any CPU cooler, and both products excel in this area but in different ways. The be Quiet! Pure Loop 2 FX 240mm comes with two Light Wings 120mm PWM high-speed fans that offer high air pressure and vibrant ARGB illumination, enhancing both cooling and aesthetics. These fans can be synchronised through an ARGB-PWM hub, making them an excellent choice for users who value visual flair alongside performance. On the other hand, the Thermalright Assassin X 90 SE V2 is equipped with a single 92mm PWM fan that operates at a maximum speed of 2200 RPM. While it provides a sufficient cooling effect, its smaller size and lower airflow of 32.77 CFM may not match the dual-fan setup of the Pure Loop 2 FX 240mm in demanding scenarios.
Installation Ease
In terms of installation, the be Quiet! Pure Loop 2 FX 240mm offers a user-friendly experience with an easy-to-access refill port and an included coolant bottle, which can extend the longevity of the cooler. This feature is particularly beneficial for users who may want to maintain their cooling system over time. Conversely, the Thermalright Assassin X 90 SE V2 also boasts a straightforward installation process, supporting various CPU cooling slots with the provision of corresponding mounting plates. While both coolers are designed for ease of setup, the added features of the Pure Loop 2 FX 240mm may appeal to those looking for long-term maintenance options.
Design and Aesthetics
When it comes to design, the be Quiet! Pure Loop 2 FX 240mm stands out with its combination of ARGB illumination and an all-black design, giving it a modern and stylish look that can enhance any gaming setup. The aluminium-style finish adds an extra touch of elegance, appealing to aesthetic-conscious consumers. In contrast, the Thermalright Assassin X 90 SE V2 features a more utilitarian design, focusing primarily on functionality with its industrial-grade materials. While it may not have the same visual appeal as the Pure Loop 2 FX 240mm, its solid construction and reliable performance make it a practical choice for users who prioritise functionality over flair.
Noise Levels
Noise levels are an important consideration for PC builders, particularly for those aiming for a quiet computing environment. The be Quiet! Pure Loop 2 FX 240mm is engineered to operate quietly thanks to its doubly decoupled PWM pump, which minimises vibrations and noise. While exact decibel ratings are not provided, the emphasis on quiet operation suggests that it is designed to be less intrusive. The Thermalright Assassin X 90 SE V2 claims a maximum noise level of ≤23.85 dB(A), which is relatively quiet for an air cooler. However, in high-performance scenarios, the dual fans of the Pure Loop 2 FX 240mm may still offer quieter operation compared to the single fan of the Assassin X 90 SE V2, especially when considering the overall noise management strategies employed by be quiet!.
Brand Reputation
Both brands, be quiet! and Thermalright, have established reputations in the CPU cooler market. Be quiet! is known for its focus on silent computing, making its products particularly appealing to gamers and professionals who require quiet operation. The company’s commitment to quality and performance is evident in the Pure Loop 2 FX 240mm. Thermalright, on the other hand, has a long history of producing effective cooling solutions, with over 20 years of experience in the industry. Their Assassin X 90 SE V2 is backed by a solid understanding of cooling technologies, making it a reliable choice. While both brands have their merits, be quiet!'s focus on quiet operation may resonate more with users prioritising a silent setup.
Which should you buy?
In conclusion, choosing between the be Quiet! Pure Loop 2 FX 240mm and the Thermalright Assassin X 90 SE V2 depends on your specific needs and budget. If you are looking for superior cooling performance, aesthetic appeal, and quiet operation, the Pure Loop 2 FX 240mm is the better choice, albeit at a higher price of C$118.12. Conversely, if you are on a budget and need a reliable cooler that performs well without breaking the bank, the Thermalright Assassin X 90 SE V2 offers excellent value at just C$24.90. Ultimately, your decision should align with your budget, performance requirements, and design preferences.
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