Noctua NF-A14 PWM vs Thermalright Assassin X 120R Digital ARGB Black CPU Cooler
Updated August 2026 — The Noctua NF-A14 PWM excels in quiet operation and versatility, while the Thermalright Assassin X 120R offers higher cooling performance and aesthetic appeal. Choose based on your priorities.
The Noctua NF-A14 PWM excels in quiet operation and versatility, while the Thermalright Assassin X 120R offers higher cooling performance and aesthetic appeal. Choose based on your priorities.
Why Noctua NF-A14 PWM is better
quieter operation
Noctua has a maximum noise level of 24.6 dB(A)
better for silence
Ideal for noise-sensitive environments
premium build
High-quality materials and design
Why Thermalright Assassin X 120R Digital ARGB Black CPU Cooler is better
higher performance
Thermalright operates at 2000 RPM with 70.84 CFM
ARGB lighting
Includes customizable lighting features
wider compatibility
Compatible with more Intel and AMD sockets
Overall score
Specifications
| Spec | Noctua NF-A14 PWM | Thermalright Assassin X 120R Digital ARGB Black CPU Cooler |
|---|---|---|
| Max RPM | 1500 | 2000 |
| Max Noise | 24.6 dB(A) | 29.8 dB(A) |
| Air Volume | N/A | 70.84 CFM |
| PWM Support | Yes | Yes |
| ARGB Lighting | No | Yes |
Dimension comparison
Overview of the Products
In this comparison, we are looking at the Noctua NF-A14 PWM and the Thermalright Assassin X 120R Digital ARGB Black CPU Cooler. Both products are designed to enhance CPU cooling performance, but they cater to different user needs and preferences. The Noctua NF-A14 PWM is priced at C$34.95, while the Thermalright Assassin X 120R is available for C$32.90. This slight price difference sets the stage for a detailed examination of their unique features and functionalities.
Design and Build Quality
The design of a CPU cooler significantly impacts both aesthetics and performance. The Noctua NF-A14 PWM features a premium square frame design, measuring 140x140x25 mm, which is ideal for various applications, including water cooling radiators and case ventilation. In contrast, the Thermalright Assassin X 120R has a more compact size of 120x71x151 mm and boasts an all-aluminum heat sink that enhances its durability and heat dissipation capabilities. This design also includes a digital screen, improving its visual appeal. Thus, while both coolers are well-constructed, the Noctua offers versatility, whereas the Thermalright combines aesthetics with functionality.
Cooling Performance
When it comes to cooling performance, the specifications reveal notable differences. The Noctua NF-A14 PWM operates at a maximum speed of 1500 RPM, producing a maximum noise level of 24.6 dB(A). It is designed for quiet operation, making it suitable for users who prioritise low noise. On the other hand, the Thermalright Assassin X 120R reaches a higher fan speed of 2000 RPM, with a slightly higher noise output of 29.8 dB(A). It also provides an impressive air volume of 70.84 CFM and wind pressure of 2.63 mm H2O, indicating superior cooling efficiency. Thus, the Thermalright cooler may be more effective in demanding situations, while the Noctua excels in quiet performance.
Features and Functionality
Both coolers come equipped with features that enhance their usability. The Noctua NF-A14 PWM includes a 4-pin PWM connector for automatic speed control and comes with anti-vibration mounts, fan screws, and a Low-Noise Adaptor. This ensures that users can easily install and operate the fan without excessive noise. Conversely, the Thermalright Assassin X 120R boasts an ARGB lighting feature that synchronises with the motherboard, allowing for a visually striking setup. Additionally, it is compatible with a wide range of Intel and AMD sockets, making it versatile for different builds. Thus, while the Noctua focuses on performance and noise control, the Thermalright adds aesthetic appeal and broader compatibility.
Installation Process
The installation process can greatly affect user experience. The Noctua NF-A14 PWM includes all necessary accessories for a straightforward installation, such as anti-vibration mounts and extension cables. This makes it relatively easy for users to set up. The Thermalright Assassin X 120R also provides installation accessories and is compatible with both Intel and AMD platforms. However, it requires the use of the motherboard's original backplate for AMD installations, which could complicate the process for some users. Overall, both products offer user-friendly installation, though the Noctua may have a slight edge due to its simplicity.
Noise Levels
Noise levels are a critical consideration for many users. The Noctua NF-A14 PWM stands out with a maximum noise level of just 24.6 dB(A), making it one of the quieter options on the market. This is particularly advantageous for those who build silent systems or work in noise-sensitive environments. In comparison, the Thermalright Assassin X 120R operates at a higher noise level of 29.8 dB(A), which, while still manageable, may be noticeable in quieter settings. Therefore, if silent operation is a priority, the Noctua NF-A14 PWM is the clear winner in this category.
Price Comparison
Pricing is always a key factor in product selection. The Noctua NF-A14 PWM retails for C$34.95, while the Thermalright Assassin X 120R is slightly cheaper at C$32.90. This C$2.05 difference may seem minor, but for budget-conscious buyers, every dollar counts. Despite the small price gap, the performance and features offered by each cooler may justify the cost. The Noctua leans towards premium quiet operation, whereas the Thermalright provides more features for a slightly lower price. Ultimately, the value each cooler offers will depend on the user's specific needs and preferences.
Which should you buy?
Choosing between the Noctua NF-A14 PWM and the Thermalright Assassin X 120R Digital ARGB Black CPU Cooler depends on your priorities. If you are looking for a CPU cooler that excels in quiet operation and versatility, the Noctua NF-A14 PWM is an excellent choice. However, if you value higher cooling performance with attractive ARGB lighting and broader compatibility, the Thermalright Assassin X 120R could be the better option. Both coolers present solid features, so your decision should align with your specific cooling needs and aesthetic preferences.
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